CN110147033B - Toner, developer, toner cartridge, and process cartridge - Google Patents

Abstract

The invention provides a toner for electrostatic image development, an electrostatic image developer, a toner cartridge and a process cartridge, wherein the toner contains toner particles, and wherein a toner load T (g/m) is formed on a coated paper having a glossiness of 40% ² ) In the case of an image satisfying the expression "T =4 × D/7 (where D represents a value obtained by dividing a unit of length by a volume average particle diameter (μm)) of the toner particles, the color difference Δ E from the PANTONE166C obtained by the following expression is 10 or less. Thus, the present invention provides a toner for developing electrostatic images, which is excellent in color reproducibility of PANTONE 166C.

Description

Toner, developer, toner cartridge, process cartridge

This application is a divisional application of Chinese Patent Application No. 2014104796871 with the filing date of September 18, 2014, and the title of the invention is "toner for electrostatic image development, electrostatic image developer, toner cartridge, and process cartridge".

technical field

The present invention relates to a toner for electrostatic image development, an electrostatic image developer, a toner cartridge, and a process cartridge.

Background technique

In electrophotographic imaging, colors are generally reproduced using toners of four colors: yellow (Y), magenta (M), cyan (C), and black (K). In addition, toners of colors other than YMCK are also used in order to reproduce colors that are difficult to reproduce only with the toners of the above four colors (YMCK).

For example, Patent Document 1 discloses a light magenta toner that contains a magenta colorant in combination with a hue-adjusting colorant that absorbs light at a wavelength of 400 nm to 500 nm.

In addition, Patent Document 2 discloses an image forming method using at least six colors of yellow toner, magenta toner, cyan toner, orange toner, green toner, and black toner. A method of forming a color image with a toner for developing an electrostatic image, wherein the colorant contained in the orange toner is composed of a specific naphthol pigment.

In addition, Patent Document 3 discloses an orange toner containing C.I. Pigment Orange 38.

prior art literature

patent documents

Patent Document 1: Japanese Patent Laid-Open No. 2011-150336

Patent Document 2: Japanese Patent Laid-Open No. 2011-257588

Patent Document 3: Japanese Patent Laid-Open No. 2012-68581

Contents of the invention

[Problem to be solved by the invention]

An object of the present invention is to provide a toner for developing an electrostatic image having excellent color reproducibility of PANTONE 7597C.

Another object of the present invention is to provide a toner for developing an electrostatic image having excellent color reproducibility of PANTONE 199C.

Another object of the present invention is to provide a toner for electrostatic image development that is excellent in color reproducibility of PANTONE 166C.

[means to solve the problem]

The above-mentioned problems are solved by the following means. Right now:

The invention according to the first embodiment is,

A toner for developing an electrostatic image comprising toner particles containing at least a binder resin, C.I. Pigment Yellow 74 as a yellow colorant, and C.I. Pigment Red 48:1, C.I. At least one red colorant selected from the group consisting of Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184, or

Contains at least one binder resin, at least one yellow colorant selected from the group consisting of C.I. Pigment Yellow 155 and C.I. Pigment Yellow 185, and at least one selected from the group consisting of C.I. Pigment Red 238 and C.I. Pigment Red 146 red colorant, where,

The toner loading (loading amount) T (g/m ² ) on coated paper with a glossiness of 40% satisfies "T=4×D/7 (wherein, the above-mentioned D represents the volume obtained by the above-mentioned toner particles The color difference ΔE obtained by the following formula from PANTONE 7597C in the case of an image of the formula of the average particle diameter (μm) is within 10.

【Number 1】

ΔE＝{(L ₁ -L ₂ ) ² +(a ₁ -a ₂ ) ² +(b ₁ -b ₂ ) ² } ^0.5

[In the above formula, the above-mentioned L ₁ , a ₁ and b ₁ are the L ^* value, a ^* value and b ^* value of PANTONE7597C respectively, which are obtained by measuring the color sample PANTONE7597C with a reflection spectrodensitometer. The aforementioned L ₂ , a ₂ , and b ₂ are the L ^* value, a ^* value, and b ^* value of the image formed using the electrostatic image developing toner, respectively, and are obtained by measuring the image with the aforementioned reflection spectrodensitometer. of. ]

The invention according to the second embodiment is,

A toner for developing an electrostatic image comprising toner particles containing at least a binder resin, C.I. Pigment Yellow 74 as a yellow colorant, and C.I. Pigment Red 48:1, C.I. At least one red colorant from the group consisting of Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184, or at least a binder resin, selected from C.I. Pigment Yellow 155 and C.I. Pigment Yellow 185 At least one yellow colorant in the group, and at least one red colorant selected from the group consisting of C.I. Pigment Red 238 and C.I. Pigment Red 146, wherein

The toner loading T (g/m ² ) on coated paper with a glossiness of 40% satisfies “T=4×D/7 (wherein, the above-mentioned D represents the volume average particle diameter obtained from the above-mentioned toner particles ( μm) in the case of an image of the formula except the length unit), the color difference ΔE obtained by the following formula from PANTONE 199C is within 10.

【Number 2】

ΔE＝{(L ₃ －L ₄ ) ² +(a ₃ －a ₄ ) ² +(b ₃ －b ₄ ) ² } ^0.5

[In the above formula, the above L ₃ , a ₃ and b ₃ are the L ^* value, a ^* value and b ^* value of PANTONE199C respectively, which are obtained by measuring the color sample PANTONE199C with a reflection spectrodensitometer. The aforementioned L ₄ , a ₄ , and b ₄ are the L ^* value, a ^* value, and b ^* value of the image formed using the electrostatic image developing toner, respectively, and are obtained by measuring the image with the aforementioned reflection spectrodensitometer. of. ]

The invention according to the third embodiment is,

A toner for developing an electrostatic image comprising toner particles containing at least a binder resin, C.I. Pigment Yellow 74 as a yellow colorant, and C.I. Pigment Red 48:1, C.I. At least one red colorant from the group consisting of Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184, or at least a binder resin, selected from C.I. Pigment Yellow 155 and C.I. Pigment Yellow 185 at least 1 yellow colorant from the group, and

At least one red colorant selected from the group consisting of C.I. Pigment Red 238 and C.I. Pigment Red 146, wherein,

The toner loading T (g/m ² ) on coated paper with a glossiness of 40% satisfies “T=4×D/7 (wherein, the above-mentioned D represents the volume average particle diameter obtained from the above-mentioned toner particles ( μm) in the case of the image of the formula except the length unit), the color difference ΔE obtained by the following formula from PANTONE166C is within 10.

【Number 3】

ΔE＝{(L ₅ －L ₆ ) ² +(a ₅ －a ₆ ) ² +(b ₅ －b ₆ ) ² } ^0.5

[In the above formula, the above-mentioned L ₅ , a ₅ and b ₅ are the L ^* value, a ^* value and b ^* value of PANTONE166C respectively, which are obtained by measuring the color sample PANTONE166C with a reflection spectrodensitometer. The aforementioned L ₆ , a ₆ , and b ₆ are each the L ^* value, a ^* value, and b ^* value of the image formed with the aforementioned electrostatic image developing toner, which are obtained by measuring the image with the aforementioned reflection spectrodensitometer. of. ]

The invention according to the fourth embodiment is,

An electrostatic image developer comprising the electrostatic image developing toner according to any one of the first to third embodiments.

The invention according to the fifth embodiment is,

A toner cartridge containing the toner for developing an electrostatic image according to any one of the first to third embodiments is detachable from an image forming apparatus.

The invention according to the sixth embodiment is,

A process cartridge containing the electrostatic image developer according to the fourth embodiment, comprising a developing member for developing an electrostatic image formed on a surface of an image holding member into a toner image using the electrostatic image developer, and Detachable from imaging unit.

[Effect of the invention]

According to the invention according to the first embodiment, there is provided a toner for developing an electrostatic image having excellent color reproducibility of PANTONE 7597C compared to the case where the color difference ΔE exceeds 10.

According to the invention according to the second embodiment, there is provided a toner for developing an electrostatic image having excellent color reproducibility of PANTONE 199C compared to the case where the above-mentioned color difference ΔE exceeds 10.

According to the invention according to the third embodiment, there is provided a toner for developing an electrostatic image having excellent color reproducibility of PANTONE 166C compared to the case where the color difference ΔE exceeds 10.

According to the invention according to the fourth embodiment, there is provided an electrostatic image developer having excellent color reproducibility in PANTONE 7597C, PANTONE 199C, or PANTONE 166C as compared with the case where the above-mentioned color difference ΔE of the toner particles contained in the toner exceeds 10 .

According to the invention according to the fifth embodiment, there is provided a toner cartridge excellent in color reproducibility of PANTONE7597C, PANTONE199C, or PANTONE166C as compared with the case where the above-mentioned color difference ΔE of the toner particles contained in the toner exceeds 10 .

According to the invention according to the sixth embodiment, compared with the case where the above-mentioned color difference ΔE of the toner particles contained in the toner in the developer exceeds 10, there is provided a PANTONE 7597C, PANTONE 199C, or PANTONE 166C having excellent color reproducibility. Process box.

Brief description of the drawings

FIG. 1 is a schematic configuration diagram showing an example of an image forming apparatus of the present embodiment.

Fig. 2 is a schematic structural view showing an example of the process cartridge of the present embodiment.

Symbol Description

10R, 10Y, 10M, 10C, 10K imaging units

1R, 1Y, 1M, 1C, 1K photoreceptor (an example of image holding member)

2R, 2Y, 2M, 2C, 2K charging roller (an example of a charging part)

3R, 3Y, 3M, 3C, 3K exposure apparatus (an example of an electrostatic image forming member)

4R, 4Y, 4M, 4C, 4K developing device (an example of a developing unit)

5R, 5Y, 5M, 5C, 5K Primary transfer roller (an example of a primary transfer unit)

6R, 6Y, 6M, 6C, 6K Photoreceptor cleaning unit (an example of a cleaning unit)

8R, 8Y, 8M, 8C, 8K Toner Cartridges

20 Intermediate transfer belt (an example of an intermediate transfer unit)

21 Intermediate transfer cleaning unit

22 drive roller

23 Support roller

24 opposite roller

26 Secondary transfer roller (an example of a secondary transfer member)

28 Fixing device (an example of a fixing unit)

P Recording paper (an example of recording medium)

107 Photoreceptor (an example of image holding member)

108 charging roller (an example of a charging member)

109 Exposure device (an example of electrostatic image forming member)

111 Developing device (an example of a developing unit)

112 Transfer device (an example of a transfer member)

113 Photoreceptor cleaning device (an example of cleaning member)

115 Fixing device (an example of a fixing unit)

116 Mounting rail

117 shell

118 Opening for exposure

200 Process Boxes

300 Recording paper (an example of recording medium)

Detailed ways

Embodiments of the present invention will be described below. It should be noted that these descriptions and examples are intended to illustrate the present invention, not to limit the scope of the present invention.

In addition, in this specification, (meth)acryl means acryl and methacryl, (meth)acryl means acryl and methacryl, (meth)acryl means acryl and methacryl. .

＜Toner for electrostatic image development＞

The electrostatic image developing toner (also referred to as “toner”) according to the present embodiment contains toner particles and may further contain external additives. That is, in the present embodiment, the toner particles may be used as the toner, or the toner particles may be made by adding an external additive to the toner particles from the outside.

The electrostatic image developing toner according to this embodiment has the following configuration.

A toner for developing an electrostatic image comprising toner particles containing at least a binder resin, C.I. Pigment Yellow 74 as a yellow colorant, and C.I. Pigment Red 48:1, C.I. At least one red colorant selected from the group consisting of Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184, or

Contains at least one binder resin, at least one yellow colorant selected from the group consisting of C.I. Pigment Yellow 155 and C.I. Pigment Yellow 185, and at least one selected from the group consisting of C.I. Pigment Red 238 and C.I. Pigment Red 146 red colorant, which

The toner loading T (g/m ² ) on coated paper with a glossiness of 40% satisfies “T=4×D/7 (wherein, the above-mentioned D represents the volume average particle diameter obtained from the above-mentioned toner particles ( μm) in the case of an image obtained by subtracting the unit of length)", the color difference ΔE obtained by the following formula from PANTONE7597C is within 10.

【Number 1】

ΔE＝{(L ₁ -L ₂ ) ² +(a ₁ -a ₂ ) ² +(b ₁ -b ₂ ) ² } ^0.5

[In the above formula, the above-mentioned L ₁ , a ₁ and b ₁ are the L ^* value, a ^* value and b ^* value of PANTONE7597C respectively, which are obtained by measuring the color sample PANTONE7597C with a reflection spectrodensitometer. The aforementioned L ₂ , a ₂ , and b ₂ are the L ^* value, a ^* value, and b ^* value of the image formed using the electrostatic image developing toner, respectively, and are obtained by measuring the image with the aforementioned reflection spectrodensitometer. of. ]

In addition, the toner for electrostatic image development according to the present embodiment has the following configuration.

A toner for developing an electrostatic image comprising toner particles containing at least a binder resin, C.I. Pigment Yellow 74 as a yellow colorant, and C.I. Pigment Red 48:1, C.I. At least one red colorant from the group consisting of Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184, or at least a binder resin, selected from C.I. Pigment Yellow 155 and C.I. Pigment Yellow 185 At least one yellow colorant in the group, and at least one red colorant selected from the group consisting of C.I. Pigment Red 238 and C.I. Pigment Red 146, wherein

The toner loading T (g/m ² ) on coated paper with a glossiness of 40% satisfies “T=4×D/7 (wherein, the above-mentioned D represents the volume average particle diameter obtained from the above-mentioned toner particles ( μm) in the case of an image of the formula except the length unit), the color difference ΔE obtained by the following formula from PANTONE 199C is within 10.

【Number 2】

ΔE＝{(L ₃ －L ₄ ) ² +(a ₃ －a ₄ ) ² +(b ₃ －b ₄ ) ² } ^0.5

[In the above formula, the above L ₃ , a ₃ and b ₃ are the L ^* value, a ^* value and b ^* value of PANTONE199C respectively, which are obtained by measuring the color sample PANTONE199C with a reflection spectrodensitometer. The above L4, a4 and b4 are the L ^* value, a ^* value and b ^* value of the image formed using the electrostatic image developing toner, respectively, which are obtained by measuring the image with the above-mentioned reflection spectrodensitometer. ]

In addition, the toner for electrostatic image development according to the present embodiment has the following configuration.

A toner for developing an electrostatic image comprising toner particles containing at least a binder resin, C.I. Pigment Yellow 74 as a yellow colorant, and C.I. Pigment Red 48:1, C.I. At least one red colorant from the group consisting of Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184, or at least a binder resin, selected from C.I. Pigment Yellow 155 and C.I. Pigment Yellow 185 at least 1 yellow colorant from the group, and

At least one red colorant selected from the group consisting of C.I. Pigment Red 238 and C.I. Pigment Red 146, wherein

The toner loading T (g/m ² ) on coated paper with a glossiness of 40% satisfies “T=4×D/7 (wherein, the above-mentioned D represents the volume average particle diameter obtained from the above-mentioned toner particles ( μm) when the value obtained by subtracting the unit of the length)" in the image of the formula, the color difference ΔE obtained by the following formula from PANTONE166C is within 10.

【Number 3】

ΔE＝{(L ₅ －L ₆ ) ² +(a ₅ －a ₆ ) ² +(b ₅ －b ₆ ) ² } ^0.5

[In the above formula, the above-mentioned L ₅ , a ₅ and b ₅ are the L ^* value, a ^* value and b ^* value of PANTONE166C respectively, which are obtained by measuring the color sample PANTONE166C with a reflection spectrodensitometer. The aforementioned L ₆ , a ₆ , and b ₆ are each the L ^* value, a ^* value, and b ^* value of the image formed with the aforementioned electrostatic image developing toner, which are obtained by measuring the image with the aforementioned reflection spectrodensitometer. of. ]

Hereinafter, the toner for developing an electrostatic image according to this embodiment will be described in order.

(Toner for electrostatic image development according to the first embodiment)

The electrostatic image developing toner according to the first embodiment is the following electrostatic image developing toner:

It contains toner particles containing at least a binder resin,

C.I. Pigment Yellow 74 as a yellow colorant, and at least one red colorant selected from the group consisting of C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184, in

The toner loading T (g/m ² ) on coated paper with a glossiness of 40% satisfies “T=4×D/7 (wherein, the above-mentioned D represents the volume average particle diameter obtained from the above-mentioned toner particles ( μm) in the case of an image obtained by subtracting the unit of length)", the color difference ΔE obtained by the following formula from PANTONE7597C is within 10.

【Number 1】

ΔE＝{(L ₁ -L ₂ ) ² +(a ₁ -a ₂ ) ² +(b ₁ -b ₂ ) ² } ^0.5

[In the above formula, the above-mentioned L ₁ , a ₁ and b ₁ are the L ^* value, a ^* value and b ^* value of PANTONE7597C respectively, which are obtained by measuring the color sample PANTONE7597C with a reflection spectrodensitometer. The aforementioned L ₂ , a ₂ , and b ₂ are the L ^* value, a ^* value, and b ^* value of the image formed using the electrostatic image developing toner, respectively, and are obtained by measuring the image with the aforementioned reflection spectrodensitometer. of. ]

The toner particles constituting the toner according to the first embodiment contain at least: a binder resin, C.I. (Color Index (hereinafter the same)) Pigment Yellow 74 as a yellow colorant, and C.I. Pigment Red 48:1, At least one red colorant selected from the group consisting of C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184.

In addition, regarding the toner according to the present embodiment, a toner load T (g/m ² ) satisfying "T=4×D/7 (wherein, the above-mentioned D The color difference ΔE obtained by the following formula from PANTONE 7597C is within 10 when the image represented by the formula of the volume average particle diameter (μm) of the toner particles is obtained by subtracting the unit of length)”.

By having the above configuration, there is provided a toner capable of forming an image having excellent color reproducibility of PANTONE 7597C.

【Number 2】

ΔE＝{(L ₁ -L ₂ ) ² +(a ₁ -a ₂ ) ² +(b ₁ -b ₂ ) ² } ^0.5

It should be noted that the above formula has the same meaning as the following formula.

In the above formula, the above-mentioned L ₁ , a ₁ and b ₁ are the L ^* value, a ^* value and b ^* value of PANTONE7597C respectively, which are obtained by taking the color sample PANTONE7597C with a reflection spectrodensitometer (manufactured by X-Rite Corporation, trade name: Xrite -939) measured. The aforementioned L ₂ , a ₂ , and b ₂ are the L ^* value, a ^* value, and b ^* value of the image formed using the electrostatic image developing toner, which are obtained by measuring the image with the aforementioned reflection spectrodensitometer. .

In addition, the color difference ΔE is a color difference represented by L ^* value, a ^* value, and b ^* value in the CIE1976L ^* a ^* b ^* colorimetric system.

In addition, the above-mentioned color sample PANTONE7597C is a color sample in which an image is formed on coated paper having the above-mentioned glossiness (gloss), and an image formed using a toner in the measurement of the color difference ΔE also satisfies the above-mentioned glossiness. Determine the color difference ΔE on the basis of the conditions for the coated paper to be formed.

In addition, the glossiness (glossiness) of the coated paper used for the measurement of color difference ΔE was measured by the following method.

The gloss (gloss) of the coated paper in the present embodiment refers to the gloss obtained by measuring at 60° of JIS K5600-4-7 (JIS Z8741), and the measuring device uses a model 4430 micro- TRI-gloss.

Furthermore, the toner load T of the image provided for the measurement of the color difference ΔE is fixed from the value D obtained by subtracting the unit of length from the volume average particle diameter (μm) of the toner particles as described above using the formula "T= 4×D/7” calculated value.

In addition, the reason why the formula for calculating the toner load T of the image provided for measuring the color difference ΔE is "T=4×D/7" as described above is as follows.

That is, there is a space between the paper and the toner particles in a state where the toner particles have no fixed image, but the toner particles are melted at the time of fixing, and the melted toner is filled in the above-mentioned spaces. The form of particles reduces space and becomes a toner image. There are effects of the shape of toner particles, unevenness of paper, etc., so it cannot be generalized, but generally, it is because it is preferable to obtain a solid image by using the value represented by the formula "T=4×D/7".

The smaller the above-mentioned color difference ΔE from PANTONE7597C, the more preferable. The color difference ΔE is preferably 8 or less, more preferably 7 or less, still more preferably 6 or less, and still more preferably 5 or less.

In addition, as a method of controlling the color difference ΔE from PANTONE 7597C within the above-mentioned range, for example, the selection of the yellow colorant and the red colorant contained in the toner particles and the respective selection of the yellow colorant and the red colorant are listed. The amount of adjustment and other methods.

[Toner particles]

The toner particles contain a binder resin and a colorant, and may further contain a release agent or other internal additives.

Next, the components contained in the toner particles will be described in detail.

-Binder resin-

As the binder resin, for example, homopolymers or copolymers of the following substances can be cited: styrenes (such as styrene, p-chlorostyrene, α-methylstyrene, etc.), (meth)acrylates (such as methyl (meth)acrylate, ethyl (meth)acrylate, n-propyl (meth)acrylate, n-butyl (meth)acrylate, lauryl (meth)acrylate, (meth)acrylate 2 -ethylhexyl ester, etc.), ethylenically unsaturated nitriles (such as (meth)acrylonitrile, etc.), vinyl ethers (such as vinyl methyl ether, vinyl isobutyl ether, etc.), vinyl ketones ( For example, vinyl methyl ketone, vinyl ethyl ketone, vinyl isopropenyl ketone, etc.), olefins (eg, ethylene, propylene, butadiene, etc.), and the like.

Typical binder resins include, for example, polyester resins, epoxy resins, polyurethane resins, polyamide resins, cellulose resins, polyether resins, polystyrene, styrene-(meth)acrylic acid Alkyl ester copolymers, styrene-(meth)acrylonitrile copolymers, styrene-butadiene copolymers, styrene-maleic anhydride copolymers, and the like.

These resins may be used alone or in combination of two or more.

The content of the binder resin in the toner particles is preferably not less than 40% by mass and not more than 93% by mass, more preferably not less than 50% by mass and not more than 90% by mass, still more preferably not less than 60% by mass and not more than 85% by mass.

As the binder resin, polyester resin is suitable.

Regarding the polyester resin, an amorphous polyester resin and a crystalline polyester resin can be used in combination because PANTONE 7597C is more excellent in color reproducibility.

·polyester resin

As the polyester resin, for example, a polycondensate of a polyvalent carboxylic acid and a polyhydric alcohol is exemplified. As the polyester resin, commercially available ones may be used, or synthetic ones may be used.

Examples of polycarboxylic acids include aliphatic dicarboxylic acids (such as oxalic acid, malonic acid, maleic acid, fumaric acid, citraconic acid, itaconic acid, glutaconic acid, succinic acid, alkenyl succinic acid, etc.) acid, adipic acid, sebacic acid, etc.), alicyclic dicarboxylic acids (such as cyclohexanedicarboxylic acid, etc.), aromatic dicarboxylic acids (such as terephthalic acid, isophthalic acid, phthalic acid, etc. , naphthalene dicarboxylic acid, etc.), their anhydrides, or their lower (for example, having 1 to 5 carbon atoms) alkyl esters. Among them, as the polyvalent carboxylic acid, for example, an aromatic dicarboxylic acid is preferable.

As for the polyvalent carboxylic acid, a trivalent or higher carboxylic acid having a crosslinked structure or a branched chain structure can be used in combination with a dicarboxylic acid. Examples of trivalent or higher carboxylic acids include trimellitic acid, pyromellitic acid, their anhydrides, and lower (for example, having 1 to 5 carbon atoms) alkyl esters.

The polyvalent carboxylic acid may be used alone or in combination of two or more.

Examples of the polyhydric alcohol include aliphatic diols (such as ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, butanediol, hexanediol, neopentyl glycol, etc.), alicyclic diols, Alcohols (such as cyclohexanediol, cyclohexanedimethanol, hydrogenated bisphenol A, etc.), and aromatic diols (such as ethylene oxide adducts of bisphenol A and propylene oxide adducts of bisphenol A wait). Among them, as the polyhydric alcohol, for example, aromatic diols and alicyclic diols are preferable, and aromatic diols are more preferable.

As for the polyhydric alcohol, a trihydric or higher alcohol having a crosslinked structure or a branched chain structure can be used in combination with a dihydric alcohol. Examples of the trivalent or higher alcohol include glycerin, trimethylolpropane, pentaerythritol, and the like.

A polyhydric alcohol may be used individually by 1 type, and may use 2 or more types together.

The glass transition temperature (Tg) of the polyester resin is preferably 50°C to 80°C, more preferably 50°C to 65°C.

It should be noted that the glass transition temperature is obtained from a DSC curve obtained by differential scanning calorimetry (DSC). More specifically, it is obtained according to the "extrapolated glass transition start temperature" described in the method for determining the glass transition temperature of JIS K7121-1987 "Measurement method of transition temperature of plastics".

The weight average molecular weight (Mw) of the polyester resin is preferably 5,000 to 1,000,000, more preferably 7,000 to 500,000.

The number average molecular weight (Mn) of the polyester resin is preferably 2,000 or more and 100,000 or less.

The molecular weight distribution Mw/Mn of the polyester resin is preferably 1.5 to 100, more preferably 2 to 60.

In addition, the weight average molecular weight and number average molecular weight of resin were measured by the gel permeation chromatography (GPC). Molecular weight measurement by GPC was performed using HLC-8120 manufactured by Tosoh Corporation as a measuring device, TSK gel Super HM-M15cm manufactured by Tosoh Corporation as a column, and tetrahydrofuran as a solvent. A molecular weight calibration curve was prepared using monodisperse polystyrene standards, and the weight average molecular weight and number average molecular weight were calculated from the above measurement results using the molecular weight calibration curve.

-Colorant-

The toner particles contain C.I. Pigment Yellow 74 as a yellow colorant, and contain at least 1 selected from the group consisting of C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184. species as a red colorant.

・Content of coloring agent

When containing C.I. Pigment Yellow 74 as a yellow colorant and C.I. Pigment Red 48:1 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 7597C, the content of each colorant preferably satisfies the following (A1-1 )～(A1-4). (A1-1) C.I. Pigment Yellow 74 is 0.75% by mass to less than 1.25% by mass, and C.I. Pigment Red 48:1 is 3.75% by mass to less than 4.75% by mass (A1-2) C.I. Pigment Yellow 74 is 1.25% by mass More than and less than 1.75% by mass, and C.I. Pigment Red 48:1 is 2.75% by mass to less than 4.75% by mass (A1-3) C.I. Pigment Yellow 74 is 1.75% by mass to less than 2.25% by mass, and C.I. Pigment Red 48: 1 is 2.75 mass % or more and less than 4.25 mass % (A1-4) C.I. Pigment Yellow 74 is 2.25 mass % or more and less than 2.75 mass %, and C.I. Pigment Red 48:1 is 2.25 mass % or more and less than 3.25 mass %.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (A2-1)-(A2-3) from a viewpoint which the color reproducibility of PANTONE7597C is more excellent. (A2-1) C.I. Pigment Yellow 74 is 1.25% by mass to less than 1.75% by mass, and C.I. Pigment Red 48:1 is 3.25% by mass to less than 4.75% by mass, (A2-2) C.I. Pigment Yellow 74 is 1.75% by mass % to less than 2.25 mass%, and C.I. Pigment Red 48:1 is 2.75 mass% to less than 4.25 mass%, (A2-3) C.I. Pigment Yellow 74 is 2.25 mass% to less than 2.75 mass%, and C.I. Pigment Red 48:1 is 2.75 mass % or more and less than 3.25 mass %.

When C.I. Pigment Yellow 74 is contained as a yellow colorant and C.I. Pigment Red 48:3 is contained as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 7597C, the content of each colorant preferably satisfies the following (B1-1 )～(B1-3). (B1-1) C.I. Pigment Yellow 74 is 1.75% by mass to less than 2.25% by mass, and C.I. Pigment Red 48:3 is 3.25% by mass to less than 4.75% by mass (B1-2) C.I. Pigment Yellow 74 is 2.25% by mass More than and less than 2.75% by mass, and C.I. Pigment Red 48:3 is 2.75% by mass to less than 4.25% by mass (B1-3) C.I. Pigment Yellow 74 is 2.75% by mass to less than 3.25% by mass, and C.I. Pigment Red 48: 3 is 2.25 mass % or more and less than 3.25 mass %.

Furthermore, from the viewpoint that the color reproducibility of PANTONE7597C is more excellent, it is preferable that content of each coloring agent satisfies any one of following (B2-1)-(B2-2). (B2-1) C.I. Pigment Yellow 74 is 1.75% by mass to less than 2.25% by mass, and C.I. Pigment Red 48:3 is 3.25% by mass to less than 4.25% by mass, (B2-2) C.I. Pigment Yellow 74 is 2.25% by mass % or more and less than 2.75 mass%, and C.I. Pigment Red 48:3 is 2.75 mass% or more and less than 4.25 mass%.

When containing C.I. Pigment Yellow 74 as a yellow colorant and C.I. Pigment Red 57:1 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 7597C, the content of each colorant preferably satisfies the following (C1-1 )～(C1-4). (C1-1) C.I. Pigment Yellow 74 is 2.25% by mass to less than 2.75% by mass, and C.I. Pigment Red 57:1 is 3.25% by mass to less than 4.75% by mass (C1-2) C.I. Pigment Yellow 74 is 2.75% by mass More than and less than 3.25% by mass, and C.I. Pigment Red 57:1 is 3.75% by mass to less than 5.75% by mass (C1-3) C.I. Pigment Yellow 74 is 3.25% by mass to less than 3.75% by mass, and C.I. Pigment Red 57: 1 is 3.75 mass % or more and less than 6.25 mass % (C1-4) C.I. Pigment Yellow 74 is 3.75 mass % or more and less than 4.25 mass %, and C.I. Pigment Red 57:1 is 5.25 mass % or more and less than 5.75 mass %.

Furthermore, from the viewpoint that the color reproducibility of PANTONE7597C is more excellent, it is preferable that content of each coloring agent satisfies any one of following (C2-1)-(C2-2). (C2-1) C.I. Pigment Yellow 74 is 2.75 mass % or more and less than 3.25 mass %, and C.I. Pigment Red 57:1 is 3.75 mass % or more and less than 5.25 mass %, (C2-2) C.I. Pigment Yellow 74 is 3.25 mass % % or more and less than 3.75 mass%, and C.I. Pigment Red 57:1 is 4.25 mass% or more and less than 5.75 mass%.

When containing C.I. Pigment Yellow 74 as a yellow colorant and C.I. Pigment Red 184 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE7597C, the content of each colorant preferably satisfies the following (D1-1)～ Any of (D1-3). (D1-1) C.I. Pigment Yellow 74 is 2.25 mass % or more and less than 2.75 mass %, and C.I. Pigment Red 184 is 3.75 mass % or more and less than 5.25 mass % (D1-2) C.I. Pigment Yellow 74 is 2.75 mass % or more and Less than 3.25 mass%, and C.I. Pigment Red 184 is 3.75 mass% or more and less than 5.75 mass% (D1-3) C.I. Pigment Yellow 74 is 3.25 mass% or less and less than 3.75 mass%, and C.I. Pigment Red 184 is 4.25 mass% or more And less than 6.25% by mass.

Furthermore, from the viewpoint that the color reproducibility of PANTONE7597C is more excellent, it is preferable that content of each coloring agent satisfies any one of following (D2-1)-(D2-3). (D2-1) C.I. Pigment Yellow 74 is 2.25 mass % or more and less than 2.75 mass %, and C.I. Pigment Red 184 is 4.25 mass % or more and less than 4.75 mass % (D2-2) C.I. Pigment Yellow 74 is 2.75 mass % or more and Less than 3.25% by mass, and C.I. Pigment Red 184 is 3.75% by mass to less than 5.75% by mass (D2-3) C.I. Pigment Yellow 74 is 3.25% by mass to less than 3.75% by mass, and C.I. Pigment Red 184 is 4.75% by mass or more And less than 5.75% by mass.

In addition, it is preferable to contain only C.I. Pigment Yellow 74 as a yellow colorant, and only C.I. Pigment Red 48:1 and C.I. :3, C.I. Pigment Red 57:1, or any one of C.I. Pigment Red 184 as a red colorant.

Moreover, as content of each coloring agent at this time, it is also preferable that it is the range mentioned above.

The toner particles may contain colorants other than C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184. As another coloring agent, a pigment or a dye may be used, but a pigment is preferable from the viewpoint of light resistance or water resistance.

Examples of other colorants include white pigments such as SiO ₂ (silicon dioxide), TiO ₂ (titanium dioxide), and Al ₂ O ₃ (alumina); red pigments and dyes such as CI Pigment Red 122 and Rose Bengal. ; CI pigment yellow 97, CI pigment yellow 12, quinoline yellow, chrome yellow and other yellow pigments and dyes; green pigments and dyes such as malachite green oxalate; CI pigment blue 15:1, CI pigment blue 15:3 , Aniline blue, copper oil blue, ultramarine blue, phthalocyanine blue, chlorinated methylene blue and other blue pigments and dyes; carbon black, lamp black, Negro black and other black pigments and dyes, etc.

White pigments such as silica, titanium dioxide, and alumina may be added to toner particles for purposes other than coloring (for example, toner charge control and the like).

From the viewpoint of making the color reproduction of PANTONE 7597C easy, the total amount of the white pigment in the toner particles is preferably 20% by mass or less, more preferably 15% by mass or less, still more preferably 10% by mass or less, and still more preferably 5% by mass. % by mass or less, particularly preferably 1% by mass or less.

From the viewpoint of making the color reproduction of PANTONE7597C easy, C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, C.I. Pigment Red 184, and white The content of colorants other than pigments is preferably 1% by mass or less, more preferably 0.5% by mass or less, still more preferably 0.1% by mass or less, still more preferably less than the detection limit, and substantially no content per colorant. Included, particularly preferably 0% by mass.

From the viewpoint of making the color reproduction of PANTONE 7597C easy, C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, and C.I. Pigment Red 57 in the total amount of colorants in the toner particles: The total amount of 1 and C.I. Pigment Red 184 and the white pigment is preferably 85% by mass or more, more preferably 90% by mass or more, still more preferably 95% by mass or more, still more preferably 99% by mass or more, particularly preferably 100% by mass % (that is, it does not contain colorants other than C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, C.I. Pigment Red 184, and white pigments).

From the viewpoint of making the color reproduction of PANTONE 7597C easy, C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, and C.I. Pigment Red 57 in the total amount of colorants in the toner particles: The total amount of 1 and C.I. Pigment Red 184 is preferably 30% by mass or more, more preferably 40% by mass or more, still more preferably 50% by mass or more, still more preferably 60% by mass or more, still more preferably 70% by mass, and still more preferably 70% by mass or more. More preferably 80% by mass, still more preferably 90% by mass, particularly preferably 100% by mass (i.e. not containing C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1 and other colorants other than C.I. Pigment Red 184).

-Anti-sticking agent-

Examples of antisticking agents include: hydrocarbon-based waxes; natural waxes such as carnauba wax, rice bran wax, and candelilla wax; synthetic or mineral/petroleum waxes such as montan wax; ester-based waxes such as fatty acid esters and montanic acid esters. wax; etc. The release agent is not limited to these.

The melting temperature of the release agent is preferably not less than 50°C and not more than 110°C, more preferably not less than 60°C and not more than 100°C.

It should be noted that the melting temperature of the release agent is based on the DSC curve obtained by differential scanning calorimetry (DSC), and is described in the calculation method of the melting temperature according to JIS K7121-1987 "Measuring method of transition temperature of plastics" "Peak melting temperature" is obtained.

The content of the release agent in the toner particles is preferably 1% by mass or more and 20% by mass or less, more preferably 5% by mass or more and 15% by mass or less.

-Inorganic oxide particles-

The toner particles may also contain inorganic oxide particles. Examples of inorganic oxides include SiO ₂ (silicon dioxide), TiO ₂ (titania), Al ₂ O ₃ (alumina), CuO, ZnO, SnO ₂ , CeO ₂ , Fe ₂ O ₃ , MgO, BaO, CaO, K ₂ O, Na ₂ O, ZrO ₂ , CaO·SiO ₂ , K ₂ O·(TiO ₂ ) _n , Al ₂ O ₃ ·2SiO ₂ , CaCO ₃ , MgCO ₃ , BaSO ₄ , MgSO ₄ and other metal oxides thing.

The surfaces of the inorganic oxide particles may not be hydrophobized in advance, or may be hydrophobized in advance.

From the viewpoint of hardly affecting the hue of the toner, the content of the inorganic oxide particles in the toner particles is preferably 20% by mass or less, more preferably 15% by mass or less, still more preferably 10% by mass or less, and even more preferably Preferably it is 5 mass % or less, Especially preferably, it is 1 mass % or less.

-Other additives-

Examples of other additives include known additives such as magnetic substances, charge control agents, and inorganic powders. These additives are contained in toner particles as internal additives.

-Characteristics of Toner Particles-

The toner particles may be of a single-layer structure, or of a so-called core-shell structure consisting of a core (core particle) and a coating layer (shell layer) covering the core. Toner particles. Toner particles of a core-shell structure may be constituted, for example, of a core part by containing a binder resin, a coloring Adhesives and other additives.

The volume average particle diameter (D50v) of the toner particles is preferably from 2 μm to 10 μm, more preferably from 4 μm to 8 μm.

Various average particle diameters and various particle size distribution indices of the toner particles were measured using a Coulter Multisizer II (manufactured by Beckman Coulter Co.), and using ISOTON-II (manufactured by Beckman Coulter Co.) as an electrolytic solution.

At the time of measurement, a measurement sample of 0.5 mg or more and 50 mg or less is added to 2 ml of an aqueous solution of a 5% surfactant (preferably sodium alkylbenzene sulfonate) as a dispersant. The resulting liquid is added to an electrolyte solution ranging from 100 ml to 150 ml.

The electrolyte solution in which the sample was suspended was dispersed with an ultrasonic disperser for 1 minute, and the particle size distribution of particles with a particle size ranging from 2 μm to 60 μm was measured by using a Coulter Multisizer II with a pore size of 100 μm. It should be noted that the number of sampling particles is 50000.

For the particle size range (channel) divided based on the measured particle size distribution, the cumulative distribution is drawn for the volume and the number from the small diameter side, respectively, and the particle size when the cumulative percentage is 16% is defined as the volume particle size D16v, the number particle size For diameter D16p, the particle diameter when the cumulative percentage is 50% is defined as the volume average particle diameter D50v and the number average particle diameter D50p, and the particle diameter when the cumulative percentage is 84% is defined as the volume particle diameter D84v and the number particle diameter D84p.

By using these, the volume average particle size distribution index (GSDv) is calculated as (D84v/D16v) ^1/2 , and the number average particle size distribution index (GSDp) is calculated as (D84p/D16p) ^1/2 .

The shape factor SF1 of the toner particles is preferably not less than 110 and not more than 150, and more preferably not less than 120 and not more than 140.

It should be noted that the shape factor SF1 is obtained by the following formula.

Formula: SF1=(ML ² /A)×(π/4)×100

In the above formula, ML represents the absolute maximum length of the toner, and A represents the projected area of the toner.

Specifically, the shape factor SF1 is mainly quantified by analyzing a microscope image or a scanning electron microscope (SEM) image using an image analysis device, and is calculated as follows. That is, it is obtained in this way: use a camera to import the optical microscope image of the particles scattered on the surface of the glass slide into the Luzex image analyzer, obtain the maximum length and projected area of 100 particles, use the above formula to calculate, and obtain its average value.

[External Additives]

Examples of external additives include inorganic particles. Examples of the inorganic particles include SiO ₂ , TiO ₂ , Al ₂ O ₃ , CuO, ZnO, SnO ₂ , CeO ₂ , Fe ₂ O ₃ , MgO, BaO, CaO, K ₂ O, Na ₂ O, ZrO ₂ , CaO·SiO ₂ , K ₂ O·(TiO ₂ ) _n , Al ₂ O ₃ ·2SiO ₂ , CaCO ₃ , MgCO ₃ , BaSO ₄ , MgSO ₄ , etc.

The surface of the inorganic particles as an external additive may be subjected to hydrophobization treatment. For example, the inorganic particles are dipped in a hydrophobizing treatment agent to perform the hydrophobizing treatment. The hydrophobizing agent is not particularly limited, and examples thereof include silane-based coupling agents, silicone oil, titanate-based coupling agents, aluminum-based coupling agents, and the like. These may be used alone or in combination of two or more.

The amount of the hydrophobizing treatment agent is, for example, 1 part by mass or more and 10 parts by mass or less with respect to 100 parts by mass of inorganic particles.

As external additives, resin particles (resin particles such as polystyrene, PMMA, melamine, etc.), cleaning activators (for example, metal salts of higher fatty acids represented by zinc stearate, particles of fluorine-containing high molecular weight polymers, etc.) )wait.

The externally added amount of the external additive is, for example, preferably from 0.01% by mass to 5% by mass, more preferably from 0.01% by mass to 2% by mass, relative to the toner particles.

[manufacturing method of toner]

In the toner according to the first embodiment, toner particles may be produced and the toner particles may be used as a toner, or an external additive may be added to the toner particles to form a toner.

Toner particles can be produced by any of dry production methods (such as kneading and pulverization methods) and wet production methods (such as aggregation and coagulation methods, suspension polymerization methods, dissolution and suspension methods, and the like). These production methods are not particularly limited, and known production methods can be employed. Among them, it is preferable to obtain toner particles by an aggregation coagulation method.

Specifically, for example, when toner particles are produced by the aggregation coagulation method, the toner particles are produced by the following steps:

a step of preparing a resin particle dispersion in which resin particles as a binder resin are dispersed (resin particle dispersion preparation step);

a step of preparing a colorant dispersion in which colorant particles are dispersed (colorant dispersion preparation step);

In the dispersion obtained by mixing the resin particle dispersion and the colorant dispersion (if necessary, with other particle dispersions), the resin particles and the colorant (if necessary, with other particles) are aggregated to form aggregated particles The step (aggregate particle forming step); and

A step of heating the aggregated particle dispersion in which the aggregated particles are dispersed to fuse and coagulate the aggregated particles, thereby forming toner particles (fusion and coagulation step).

The details of each step of the aggregation coagulation method are described below.

In the following description, a method for obtaining toner particles further containing a release agent is described, but the release agent is used as necessary. Of course, additives other than antiblocking agents may also be used.

-Resin particle dispersion preparation procedure-

First, a resin particle dispersion in which resin particles as a binder resin are dispersed is prepared.

The resin particle dispersion is prepared, for example, by dispersing resin particles in a dispersion medium with a surfactant.

As a dispersion medium used in a resin particle dispersion liquid, an aqueous medium is mentioned, for example.

Examples of the aqueous medium include water such as distilled water and ion-exchanged water; alcohols; and the like. These may be used individually by 1 type, and may use 2 or more types together.

Examples of surfactants include: anionic surfactants such as sulfate ester salts, sulfonate salts, phosphate esters, and soaps; cationic surfactants such as amine salt type and quaternary ammonium salt type; polyethylene glycol Nonionic surfactants such as alkylphenol ethylene oxide adducts, polyols, etc.; etc. Among these, anionic surfactants and cationic surfactants are particularly mentioned. Nonionic surfactants can be used in combination with anionic or cationic surfactants.

Surfactants may be used alone or in combination of two or more.

As a method of dispersing resin particles in a dispersion medium, for example, general dispersion methods using a rotary shear type homogenizer, a ball mill with a medium, a sand mill, a Dyno mill, or the like can be cited. Depending on the type of the resin particles, the resin particles may be dispersed in the dispersion medium by, for example, a phase inversion emulsification method.

It should be noted that the phase inversion emulsification method is a method in which the resin to be dispersed is dissolved in a hydrophobic organic solvent soluble in the resin, and after neutralization is added to the organic continuous phase (O phase), water is added. (W phase), thereby performing a phase inversion from W/O to O/W, thereby dispersing the resin in the aqueous medium in a granular form.

The volume average particle diameter of the resin particles dispersed in the resin particle dispersion is, for example, preferably from 0.01 μm to 1 μm, more preferably from 0.08 μm to 0.8 μm, even more preferably from 0.1 μm to 0.6 μm.

With regard to the volume average particle diameter of the resin particles, using the particle size distribution obtained by the measurement of a laser diffraction type particle size distribution measuring instrument (for example, LA-700 manufactured by Horiba Corporation), based on the divided particle size range (channel), the small diameter The cumulative volume distribution is plotted from one side, and the particle diameter at 50% of the total particle volume is defined as the volume average particle diameter D50v. In addition, the volume average particle diameter of the particle|grains in other dispersion liquid was also measured by the same method.

The content of the resin particles contained in the resin particle dispersion is preferably not less than 5% by mass and not more than 50% by mass, more preferably not less than 10% by mass and not more than 40% by mass.

-Colorant dispersion preparation procedure-

The colorant dispersion in which the colorant particles are dispersed is prepared by the same method as that of the resin particle dispersion. That is, the dispersion medium, surfactant, dispersion method, volume average particle diameter of particles, and particle content of the colorant dispersion liquid are the same as those of the resin particle dispersion liquid. In addition, instead of the colorant dispersion liquid, you may use the resin particle dispersion liquid containing the colorant which disperse|distributed the colorant in the resin particle.

In addition, the release agent dispersion in which the release agent particles are dispersed is also prepared by the same method as that of the resin particle dispersion. That is, the dispersion medium, surfactant, dispersion method, volume average particle diameter of the particles, and particle content of the release agent dispersion are the same as those of the resin particle dispersion. It should be noted that instead of the release agent dispersion, a release agent-containing resin particle dispersion obtained by dispersing the release agent in the resin particles may be used.

- Aggregate Particle Formation Step -

Next, the resin particle dispersion, the colorant dispersion, and the release agent dispersion are mixed.

Next, in the mixed dispersion liquid, resin particles, colorant particles, and release agent particles are heterogeneously aggregated (hetero-agglomeration) to form a toner particle having a diameter close to that of the target toner particle and containing resin particles, colorant Aggregated particles of granules and anti-adhesive granules.

Specifically, for example, while adding a coagulant to the mixed dispersion, the pH of the mixed dispersion is adjusted to acidity (for example, pH 2 to 5), and if necessary, a dispersion stabilizer is added, and then heated until the glass transition of the resin particles A temperature near the temperature (specifically, for example, -30° C. or higher and -10° C. or lower than the glass transition temperature of the resin particles) aggregates the dispersed particles in the mixed dispersion to form aggregated particles.

In the aggregated particle forming step, for example, an aggregating agent may be added at room temperature (for example, 25° C.) to adjust the pH of the mixed dispersion to acidity (for example, pH 2) while stirring the mixed dispersion with a rotary shear type homogenizer. 5 or less), if necessary, add a dispersion stabilizer and then heat.

Examples of the coagulant include surfactants having a polarity opposite to that of the surfactant contained in the mixed dispersion liquid, such as inorganic metal salts and divalent or higher metal complexes. When the metal complex is used as a coagulant, the amount of the coagulant is reduced and the charging characteristics are improved.

Additives that form complexes or similar bonds with the metal ions of the coagulant may also be used together with the coagulant. As such an additive, a chelating agent is suitably used.

Examples of inorganic metal salts include metal salts such as calcium chloride, calcium nitrate, barium chloride, magnesium chloride, zinc chloride, aluminum chloride, and aluminum sulfate; polyaluminum chloride, polyaluminum hydroxide, calcium polysulfide and other inorganic metal salt polymers; etc.

As the chelating agent, a water-soluble chelating agent can be used. As a chelating agent, for example, tartaric acid, citric acid, gluconic acid and other oxidized carboxylic acids (Oxicarbon acid); iminodiacetic acid (IDA), nitrilotriacetic acid (NTA), ethylenediaminetetraacetic acid (EDTA) isoaminocarboxylic acids; etc.

The amount of the chelating agent added is, for example, preferably 0.01 to 5.0 parts by mass, more preferably 0.1 to less than 3.0 parts by mass, based on 100 parts by mass of the resin particles.

- Fusion Congealing Step -

Next, the aggregated particle dispersion in which the aggregated particles are dispersed is heated, for example, to a temperature above the glass transition temperature of the resin particles (for example, at a temperature 10° C. to 30° C. higher than the glass transition temperature of the resin particles) to cause the aggregated The particles fuse and coagulate to form toner particles.

Through the above steps, toner particles are obtained.

It should be noted that the toner particles can also be produced by the following steps: after obtaining the aggregated particle dispersion in which the aggregated particles are dispersed, further mixing the aggregated particle dispersion with the resin particle dispersion in which the resin particles are dispersed, so that Aggregating in a manner that resin particles are still attached to the surface of the particles to form second aggregated particles; Steps for core-shell structured toner particles.

After the fusion and coagulation step is completed, the toner particles formed in the solution are subjected to known washing steps, solid-liquid separation steps, and drying steps to obtain toner particles in a dry state.

Regarding the washing step, from the viewpoint of chargeability, displacement washing with ion-exchanged water can be sufficiently performed. In addition, the solid-liquid separation step is not particularly limited, but suction filtration, pressure filtration, and the like may be performed from the viewpoint of productivity. Also, the method of the drying step is not particularly limited, but from the viewpoint of productivity, freeze drying, flash spray drying, fluidized drying, vibration fluidized drying, and the like can be performed.

In addition, the toner in this embodiment is produced, for example, by adding and mixing an external additive to toner particles in a dry state. For example, mixing can be performed with a V-type mixer, a Henschel mixer, a Loedige mixer, or the like. In addition, if necessary, coarse particles in the toner may be removed by a vibrating sifter, a wind sifter, or the like.

Next, a method for producing toner particles by the dissolution-suspension method will be described in detail.

The dissolution-suspension method is a method of dissolving or dispersing a material containing other components such as a binder resin, a colorant, and if necessary, a release agent, in a solvent in which the binder resin can be dissolved, and dissolving the obtained After the liquid is granulated in an aqueous medium containing an inorganic dispersant, the solvent is removed to obtain toner particles.

Examples of other components used in the dissolution-suspension method include various components such as internal additives, charge control agents, inorganic powders (inorganic particles), and organic particles, in addition to the release agent.

In this embodiment, these binder resins, colorants, and other components used as needed are dissolved or dispersed in a solvent in which the binder resin can be dissolved. Whether the binder resin can be dissolved depends on the composition of the binder resin, molecular chain length, three-dimensional degree, etc., so it cannot be generalized, but hydrocarbons such as toluene, xylene, and hexane are usually used; dichloromethane, chloroform, Dichloroethane, dichloroethylene and other halogenated hydrocarbons; ethanol, butanol, benzyl alcohol ethyl ether, benzyl alcohol isopropyl ether, tetrahydrofuran, tetrahydropyran and other alcohols or ethers; methyl acetate, ethyl acetate, butyl acetate , isopropyl acetate, and other esters; acetone, methyl ethyl ketone, diisobutyl ketone, dimethyl ether (jimechiru okesid), diacetone alcohol, cyclohexanone, methylcyclohexanone, and other ketones or acetals.

These solvents dissolve the binder resin without necessarily dissolving the colorant and other ingredients. It is sufficient that the colorant and other components can be dispersed in the binder resin solution. The amount of the solvent used is not limited as long as it has a viscosity that enables granulation in an aqueous medium. From the standpoint of ease of granulation and yield of final toner particles, the ratio of the material (the former) containing the binder resin, the colorant and other components to the solvent (the latter) is 10/90 to 50/ 50 (mass ratio of the former/latter) is preferable.

A liquid (toner mother liquid) of a binder resin, a colorant, and other components dissolved or dispersed in a solvent is granulated so as to have a predetermined particle diameter in an aqueous medium containing an inorganic dispersant. The aqueous medium is mainly water. The mixing ratio of the aqueous medium to the toner mother liquor is preferably aqueous medium/mother liquor=90/10 to 50/50 (mass ratio). As the inorganic dispersant, it is preferably selected from tricalcium phosphate, hydroxyapatite, calcium carbonate, titanium oxide and silicon dioxide powder. The amount of the inorganic dispersant used depends on the particle size of the granulated particles, but generally, the preferred range of use is 0.1% by mass or more and 15% by mass or less with respect to the toner mother liquid. When the amount is 0.1% by mass or more, good granulation can be achieved, and when the amount is 15% by mass or less, generation of unnecessary fine particles can be suppressed and target particles can be obtained in high yield.

In order to granulate the toner mother liquid well in an aqueous medium containing an inorganic dispersant, an auxiliary agent may be added to the aqueous medium. As the auxiliary agent, there are known cationic, anionic and nonionic surfactants, and anionic surfactants are particularly preferred. For example, there are sodium alkylbenzene sulfonate, sodium α-olefin sulfonate, sodium alkyl sulfonate, etc., and they are preferably used in the range of 1×10 ⁻⁴ mass% to 0.1 mass% relative to the toner mother liquid .

The granulation of the toner mother liquid in an aqueous medium containing an inorganic dispersant is preferably performed under shearing. The toner mother liquid dispersed in the aqueous medium is preferably granulated to have an average particle diameter of 15 μm or less. Particularly preferably, it is not less than 3 μm and not more than 10 μm.

As an apparatus having a shearing mechanism, there are various dispersers, among which a homogenizer is preferable. By using a homogenizer, substances immiscible with each other (in this embodiment, an aqueous medium containing an inorganic dispersant and a toner mother liquor) are passed through the gap between the sleeve and the rotating rotor, whereby a certain liquid Substances immiscible with the liquid are dispersed in granular form. As such a homogenizer, there are TK homogenizer, line flow homogenizer, automatic homogenizer (above are manufactured by Tokukikika Kogyo Co., Ltd.), Silverson homogenizer (made by Silverson Co., Ltd.), Polytron homogenizer ( KINEMATICA AG company) etc.

Regarding the stirring conditions using the homogenizer, it is preferable that the peripheral speed of the blades of the rotor is 2 m/sec or more. If the speed is higher than this, granulation tends to proceed sufficiently. In this embodiment, the solvent is removed after the toner mother liquid is granulated in an aqueous medium containing an inorganic dispersant. Removal of the solvent can be performed at normal temperature (25°C) and normal pressure, but such removal takes a long time, so it is preferably performed at a temperature that is lower than the boiling point of the solvent and the difference from the boiling point is 80°C or less. The pressure may be normal pressure or reduced pressure, but it is preferably performed at a pressure of 20 mmHg or more and 150 mmHg or less.

The toner particles obtained by the above-mentioned dissolution-suspension method are preferably washed with hydrochloric acid or the like after removing the solvent. In this way, the inorganic dispersant remaining on the surface of the toner particles is removed, and the original composition of the toner particles can be maintained and its characteristics can be improved. Then, dehydration and drying can obtain powdery toner particles.

In the toner particles obtained by the dissolution-suspension method, as in the case of the aggregation-aggregation method, silica, titania, and alumina may be added and adhered for purposes such as adjusting chargeability, imparting fluidity, and imparting charge exchangeability. Representative inorganic oxides and the like are used as external additives. In addition, other components (particles) such as charge control agents, organic particles, lubricants, and abrasives may be added as external additives in addition to the above-mentioned inorganic oxides and the like.

Next, a method for producing toner particles by a kneading pulverization method will be described in detail.

The kneading pulverization method is a method of using a binder resin and materials (internal additives) containing other components such as a colorant and, if necessary, a release agent, and heating, pressurizing, or both. The above-mentioned internal additives are mechanically dispersed in the above-mentioned binder resin, and the obtained kneaded product is pulverized and classified to obtain toner particles.

Addition of the above-mentioned internal additives inside the toner particles is performed by kneading treatment. The kneading at this time is performed using various heating kneaders. Examples of the heating kneader include a three-roll type, a single-screw type, a twin-screw type, a Banbury mixer type, and the like.

In addition, implementation of pulverization or classification in the method for producing toner particles of the present embodiment is optional. The pulverization of the above-mentioned kneaded product is performed using, for example, a pulverizer, Ulmax, jet-o-mizer, KTM (Crypton), turbo mill or the like. Furthermore, Type I Jet-Mill can be used. Classification can use the elbow nozzle (ELBOW-JET) using the Coanda effect, wind type, etc., and as a subsequent process, the following methods can also be cited: by adding and using the Hybridization system (manufactured by Nara Machinery Manufacturing Co., Ltd.), Spherification by hot air is performed by changing the shape through a treatment process such as a Mechano-fusion system (manufactured by Hosokawa Micron Co., Ltd.) and a KRYPTRON system (manufactured by Kawasaki Heavy Industries, Ltd.).

(Toner for electrostatic image development of the second embodiment)

The electrostatic image developing toner of the second embodiment is the following electrostatic image developing toner:

It contains toner particles containing at least a binder resin, at least one yellow colorant selected from the group consisting of C.I. Pigment Yellow 155 and C.I. Pigment Yellow 185, and a yellow colorant selected from C.I. Pigment Red 238 and At least one red colorant from the group consisting of C.I. Pigment Red 146, wherein

The toner loading T (g/m ² ) on coated paper with a glossiness of 40% satisfies “T=4×D/7 (wherein, the above-mentioned D represents the volume average particle diameter obtained from the above-mentioned toner particles ( μm) in the case of an image obtained by subtracting the unit of length)", the color difference ΔE obtained by the following formula from PANTONE7597C is within 10.

【Number 1】

ΔE＝{(L ₁ -L ₂ ) ² +(a ₁ -a ₂ ) ² +(b ₁ -b ₂ ) ² } ^0.5

[In the above formula, the above-mentioned L ₁ , a ₁ and b ₁ are the L ^* value, a ^* value and b ^* value of PANTONE7597C respectively, which are obtained by measuring the color sample PANTONE7597C with a reflection spectrodensitometer. The aforementioned L ₂ , a ₂ , and b ₂ are the L ^* value, a ^* value, and b ^* value of the image formed using the electrostatic image developing toner, respectively, and are obtained by measuring the image with the aforementioned reflection spectrodensitometer. of. ]

The toner particles constituting the toner according to the second embodiment contain at least a binder resin, and at least one yellow coloring selected from the group consisting of C.I. (Color Index (hereinafter the same)) Pigment Yellow 155 and Pigment Yellow 185. agent, and at least one red colorant selected from the group consisting of C.I. Pigment Red 238 and C.I. Pigment Red 146.

In addition, the toner of the present embodiment forms a toner load T (g/m ² ) on coated paper with a glossiness of 40% to satisfy "T=4×D/7 (wherein, the above D represents The volume average particle diameter (μm) of the toner particles is obtained by subtracting the value of the unit of length) ", and the color difference ΔE obtained by the following formula from PANTONE 7597C is within 10.

By having the above configuration, there is provided a toner capable of forming an image having excellent color reproducibility of PANTONE 7597C.

【Number 2】

ΔE＝{(L ₁ -L ₂ ) ² +(a ₁ -a ₂ ) ² +(b ₁ -b ₂ ) ² } ^0.5

In the above formula, the above-mentioned L ₁ , a ₁ , b ₁ , L ₂ , a ₂ , and b ₂ are the same as those described in the first embodiment.

[Toner particles]

The toner particles contain a binder resin and a colorant, and may further contain a release agent or other internal additives.

Next, the components contained in the toner particles will be described in detail.

-Binder resin-

The binder resin is the same as that described in the first embodiment.

-Colorant-

The toner particles contain at least one yellow colorant selected from the group consisting of C.I. Pigment Yellow 155 and C.I. Pigment Yellow 185, and C.I. Pigment Red 238 (= C.I. Pigment Red 269) and C.I. Pigment Red 146. At least one of the group is used as a red coloring agent.

・Content of coloring agent

When containing C.I. Pigment Yellow 155 as a yellow colorant and C.I. Pigment Red 238 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE7597C, the content of each colorant preferably satisfies the following (A1-1)～ Any of (A1-4). (A1-1) C.I. Pigment Yellow 155 is 2.75 mass % or more and less than 3.25 mass %, and C.I. Pigment Red 238 is 3.75 mass % or more and less than 5.75 mass % (A1-2) C.I. Pigment Yellow 155 is 3.25 mass % or more and Less than 3.75% by mass, and C.I. Pigment Red 238 is 4.25% by mass to less than 6.25% by mass (A1-3) C.I. Pigment Yellow 155 is 3.75% by mass to less than 4.25% by mass, and C.I. Pigment Red 238 is 4.75% by mass or more and less than 6.75% by mass (A1-4) C.I. Pigment Yellow 155 is 4.25% by mass to less than 4.75% by mass, and C.I. Pigment Red 238 is 5.75% by mass to less than 6.75% by mass.

Furthermore, from the viewpoint that the color reproducibility of PANTONE7597C is more excellent, it is preferable that content of each coloring agent satisfies any one of following (A2-1)-(A2-4). (A2-1) C.I. Pigment Yellow 155 is 2.75 mass % or more and less than 3.25 mass %, and C.I. Pigment Red 238 is 4.25 mass % or more and less than 5.25 mass % (A2-2) C.I. Pigment Yellow 155 is 3.25 mass % or more and Less than 3.75% by mass, and C.I. Pigment Red 238 is 4.25% by mass to less than 5.75% by mass (A2-3) C.I. Pigment Yellow 155 is 3.75% by mass to less than 4.25% by mass, and C.I. Pigment Red 238 is 4.75% by mass or more and less than 6.25% by mass (A2-4) C.I. Pigment Yellow 155 is 4.25% by mass to less than 4.75% by mass, and C.I. Pigment Red 238 is 5.75% by mass to less than 6.25% by mass.

When containing C.I. Pigment Yellow 155 as a yellow colorant and C.I. Pigment Red 146 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE7597C, the content of each colorant preferably satisfies the following (B1-1)～ Any of (B1-4). (B1-1) C.I. Pigment Yellow 155 is 1.75 mass % or more and less than 2.25 mass %, and C.I. Pigment Red 146 is 3.75 mass % or more and less than 4.75 mass % (B1-2) C.I. Pigment Yellow 155 is 2.25 mass % or more and Less than 2.75% by mass, and C.I. Pigment Red 146 is 3.75% by mass to less than 5.75% by mass (B1-3) C.I. Pigment Yellow 155 is 2.75% by mass to less than 3.25% by mass, and C.I. Pigment Red 146 is 3.75% by mass or more and less than 6.25% by mass (B1-4) C.I. Pigment Yellow 155 is 3.25% by mass to less than 3.75% by mass, and C.I. Pigment Red 146 is 4.25% by mass to less than 6.25% by mass.

Furthermore, from the viewpoint that the color reproducibility of PANTONE7597C is more excellent, it is preferable that content of each coloring agent satisfies any one of following (B2-1)-(B2-3). (B2-1) C.I. Pigment Yellow 155 is 2.25 mass % or more and less than 2.75 mass %, and C.I. Pigment Red 146 is 3.75 mass % or more and less than 5.25 mass % (B2-2) C.I. Pigment Yellow 155 is 2.75 mass % or more and Less than 3.25% by mass, and C.I. Pigment Red 146 is 4.25% by mass to less than 5.75% by mass (B2-3) C.I. Pigment Yellow 155 is 3.25% by mass to less than 3.75% by mass, and C.I. Pigment Red 146 is 4.75% by mass or more And less than 6.25% by mass.

When C.I. Pigment Yellow 185 is contained as a yellow colorant and C.I. Pigment Red 238 is contained as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE7597C, the content of each colorant preferably satisfies the following (C1-1)～ Any of (C1-4). (C1-1) C.I. Pigment Yellow 185 is 2.75 mass % or more and less than 3.25 mass %, and C.I. Pigment Red 238 is 3.75 mass % or more and less than 5.25 mass % (C1-2) C.I. Pigment Yellow 185 is 3.25 mass % or more and Less than 3.75% by mass, and C.I. Pigment Red 238 is 4.25% by mass to less than 6.25% by mass (C1-3) C.I. Pigment Yellow 185 is 3.75% by mass to less than 4.25% by mass, and C.I. Pigment Red 238 is 4.75% by mass or more And less than 6.75% by mass (C1-4) C.I. Pigment Yellow 185 is 4.25% by mass to less than 4.75% by mass, and C.I. Pigment Red 238 is 5.75% by mass to less than 6.75% by mass.

Furthermore, from the viewpoint that the color reproducibility of PANTONE7597C is more excellent, it is preferable that content of each coloring agent satisfies any one of following (C2-1)-(C2-4). (C2-1) C.I. Pigment Yellow 185 is 2.75 mass % or more and less than 3.25 mass %, and C.I. Pigment Red 238 is 4.25 mass % or more and less than 4.75 mass % (C2-2) C.I. Pigment Yellow 185 is 3.25 mass % or more and Less than 3.75% by mass, and C.I. Pigment Red 238 is 4.25% by mass to less than 5.75% by mass (C2-3) C.I. Pigment Yellow 185 is 3.75% by mass to less than 4.25% by mass, and C.I. Pigment Red 238 is 4.75% by mass or more And less than 6.25% by mass (C2-4) C.I. Pigment Yellow 185 is 4.25% by mass to less than 4.75% by mass, and C.I. Pigment Red 238 is 5.75% by mass to less than 6.25% by mass.

When containing C.I. Pigment Yellow 185 as a yellow colorant and C.I. Pigment Red 146 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE7597C, the content of each colorant preferably satisfies the following (D1-1)～ Any of (D1-3). (D1-1) C.I. Pigment Yellow 185 is 2.25 mass % or more and less than 2.75 mass %, and C.I. Pigment Red 146 is 3.75 mass % or more and less than 5.75 mass % (D1-2) C.I. Pigment Yellow 185 is 2.75 mass % or more and Less than 3.25% by mass, and C.I. Pigment Red 146 is 3.75% by mass to less than 6.25% by mass (D1-3) C.I. Pigment Yellow 185 is 3.25% by mass to less than 3.75% by mass, and C.I. Pigment Red 146 is 4.25% by mass or more And less than 6.25% by mass.

Furthermore, from the viewpoint that the color reproducibility of PANTONE7597C is more excellent, it is preferable that content of each coloring agent satisfies any one of following (D2-1)-(D2-3). (D2-1) C.I. Pigment Yellow 185 is 2.25 mass % or more and less than 2.75 mass %, and C.I. Pigment Red 146 is 3.75 mass % or more and less than 5.25 mass % (D2-2) C.I. Pigment Yellow 185 is 2.75 mass % or more and Less than 3.25% by mass, and C.I. Pigment Red 146 is 4.25% by mass to less than 5.75% by mass (D2-3) C.I. Pigment Yellow 185 is 3.25% by mass to less than 3.75% by mass, and C.I. Pigment Red 146 is 4.75% by mass or more And less than 5.75% by mass.

In addition, it is preferable to contain only C.I. Pigment Yellow 155 or C.I. Pigment Yellow 185 as a yellow colorant and only the above-mentioned C.I. Either Pigment Red 238 or C.I. Pigment Red 146 was used as the red colorant.

Moreover, as content of each coloring agent at this time, it is also preferable that it is the range mentioned above.

The toner particles may contain other colorants than C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, and C.I. Pigment Red 146. As another coloring agent, a pigment or a dye may be used, but a pigment is preferable from the viewpoint of light resistance or water resistance.

Examples of other colorants include white pigments such as SiO ₂ (silicon dioxide), TiO ₂ (titanium dioxide), and Al ₂ O ₃ (alumina); CI Pigment Red 122, CI Pigment Red 48:1, CI Pigment Red Red pigments and dyes such as Red 57:1, Bengal Rose Red, etc.; yellow pigments and dyes such as CI Pigment Yellow 97, CI Pigment Yellow 12, Quinoline Yellow, Chrome Yellow, etc.; green pigments and dyes such as malachite green oxalate ;CI pigment blue 15:1, CI pigment blue 15:3, aniline blue, copper oil blue, ultramarine blue, phthalocyanine blue, chlorinated methylene blue and other blue pigments and dyes; carbon black, lamp black, nigro black Such as black pigments and dyes, etc.

White pigments such as silica, titanium dioxide, and alumina may be added to toner particles for purposes other than coloring (for example, toner charge control and the like).

The total amount of the white pigment in the toner particles is preferably 20% by mass or less, more preferably 15% by mass or less, still more preferably 10% by mass or less, and still more preferably, from the viewpoint of facilitating color reproduction of PANTONE 7597C It is 5% by mass or less, particularly preferably 1% by mass or less.

From the viewpoint of making the color reproduction of PANTONE 7597C easy, the content of colorants other than C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, C.I. Pigment Red 146, and white pigment in the toner particles per coloring The agent is preferably 1% by mass or less, more preferably 0.5% by mass or less, still more preferably 0.1% by mass or less, still more preferably not more than the detection limit and substantially not included, particularly preferably 0% by mass.

From the viewpoint of making the color reproduction of PANTONE 7597C easy, the C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, C.I. Pigment Red 146, and white pigments accounted for in the total amount of colorants in the toner particles The total amount is preferably 85% by mass or more, more preferably 90% by mass or more, still more preferably 95% by mass or more, still more preferably 99% by mass or more, and particularly preferably 100% by mass (that is, C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, C.I. Pigment Red 146, and colorants other than white pigment).

From the viewpoint of easy color reproduction of PANTONE 7597C, the total amount of C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, and C.I. Pigment Red 146 in the total amount of colorants in the toner particles is preferably 30% by mass or more, more preferably 40% by mass or more, still more preferably 50% by mass or more, still more preferably 60% by mass or more, still more preferably 70% by mass, still more preferably 80% by mass, still more preferably 90% by mass, particularly preferably 100% by mass (that is, no colorants other than C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, and C.I. Pigment Red 146).

-Anti-sticking agent-

The release agent is the same as that described in the first embodiment.

-Inorganic oxide particles-

The toner particles may contain inorganic oxide particles, the contents of which are the same as those described in the first embodiment.

-Other additives-

Other additives are the same as those described in the first embodiment.

-Characteristics of Toner Particles-

The characteristics of the toner particles are the same as those described in the first embodiment.

[External Additives]

The external additives are the same as those described in the first embodiment.

[manufacturing method of toner]

The toner of the second embodiment is the same as the method described in [Method for Producing Toner] of the toner of the first embodiment.

(Toner for electrostatic image development of the third embodiment)

The electrostatic image developing toner of the third embodiment is the following electrostatic image developing toner:

It contains toner particles containing at least a binder resin,

C.I. Pigment Yellow 74 as a yellow colorant, and at least one red colorant selected from the group consisting of C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184, in

The toner loading T (g/m ² ) on coated paper with a glossiness of 40% satisfies “T=4×D/7 (wherein, the above-mentioned D represents the volume average particle diameter obtained from the above-mentioned toner particles ( μm) in the case of an image of the formula except the length unit), the color difference ΔE obtained by the following formula from PANTONE 199C is within 10.

【Number 2】

ΔE＝{(L ₃ －L ₄ ) ² +(a ₃ －a ₄ ) ² +(b ₃ －b ₄ ) ² } ^0.5

[In the above formula, the above L ₃ , a ₃ and b ₃ are the L ^* value, a ^* value and b ^* value of PANTONE199C respectively, which are obtained by measuring the color sample PANTONE199C with a reflection spectrodensitometer. The aforementioned L ₄ , a ₄ , and b ₄ are each the L ^* value, a ^* value, and b ^* value of the image formed using the toner for developing an electrostatic image, and are obtained by measuring the image with the aforementioned reflection spectrodensitometer. of. ]

The toner particles constituting the toner according to the third embodiment contain at least: a binder resin, C.I. (Color Index (hereinafter the same)) Pigment Yellow 74 as a yellow colorant, and C.I. Pigment Red 48:1, At least one red colorant selected from the group consisting of C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184.

In addition, the toner of the present embodiment forms a toner load T (g/m ² ) on coated paper with a glossiness of 40% to satisfy "T=4×D/7 (wherein, the above D represents The volume average particle diameter (μm) of the toner particles is obtained by subtracting the value of the unit of length) ", and the color difference ΔE obtained by the following formula from PANTONE 199C is within 10.

By having the above configuration, there is provided a toner capable of forming an image having excellent color reproducibility of PANTONE 199C.

【Number 2】

ΔE＝{(L ₁ -L ₂ ) ² +(a ₁ -a ₂ ) ² +(b ₁ -b ₂ ) ² } ^0.5

In the above formula, the above-mentioned L ₃ , a ₃ and b ₃ are the L ^* value, a ^* value and b ^* value of PANTONE199C respectively, and the color sample PANTONE199C is obtained by using a reflection spectrodensitometer (manufactured by X-Rite Corporation, trade name: Xrite -939) measured. The aforementioned L ₄ , a ₄ , and b ₄ are the L ^* value, a ^* value, and b ^* value of the above-mentioned image formed using the above-mentioned electrostatic image developing toner, which are obtained by measuring the image with the above-mentioned reflection spectrodensitometer .

In addition, the color difference ΔE is a color difference represented by L ^* value, a ^* value, and b ^* value in the CIE1976L ^* a ^* b ^* colorimetric system.

In addition, the above-mentioned color sample PANTONE199C is a color sample in which an image is formed on coated paper having the above-mentioned glossiness (gloss), and an image formed using a toner in the measurement of the color difference ΔE also satisfies the above-mentioned glossiness. Determine the color difference ΔE on the basis of the conditions for the coated paper to be formed.

In addition, the glossiness (glossiness) of the coated paper used for the measurement of color difference ΔE was measured by the following method.

The gloss (gloss) of the coated paper in the present embodiment refers to the gloss obtained by measuring at 60° of JIS K5600-4-7 (JIS Z8741), and the measuring device uses a model 4430 micro- TRI-gloss.

Furthermore, the toner load T of the image provided for the measurement of the color difference ΔE is fixed from the value D obtained by subtracting the unit of length from the volume average particle diameter (μm) of the toner particles as described above using the formula "T= 4×D/7” calculated value.

In addition, the reason why the formula for calculating the toner load T of the image provided for measuring the color difference ΔE is "T=4×D/7" as described above is as follows.

That is, there is a space between the paper and the toner particles in a state where the toner particles have no fixed image, but the toner particles are melted at the time of fixing, and the melted toner is filled in the above-mentioned spaces. The form of particles reduces space and becomes a toner image. There are effects of the shape of toner particles, unevenness of paper, etc., so it cannot be generalized, but generally, it is because it is preferable to obtain a solid image by using the value represented by the formula "T=4×D/7".

The smaller the above-mentioned color difference ΔE from PANTONE 199C, the more preferable. The color difference ΔE is preferably 8 or less, more preferably 7 or less, still more preferably 6 or less, and still more preferably 5 or less.

In addition, as a method of controlling the color difference ΔE from PANTONE 199C within the above-mentioned range, for example, the selection of the yellow colorant and the red colorant contained in the toner particles and the respective selection of the yellow colorant and the red colorant are listed. The amount of adjustment and other methods.

[Toner particles]

The toner particles contain a binder resin and a colorant, and may further contain a release agent or other internal additives.

Next, the components contained in the toner particles will be described in detail.

-Binder resin-

The binder resin is the same as that described in the first embodiment.

As the binder resin, polyester resin is suitable.

Regarding the polyester resin, an amorphous polyester resin and a crystalline polyester resin may be used in combination from the viewpoint that the color reproducibility of PANTONE 199C is more excellent.

-Colorant-

The toner particles contain C.I. Pigment Yellow 74 as a yellow colorant, and contain at least 1 selected from the group consisting of C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184. species as a red colorant.

・Content of coloring agent

When containing C.I. Pigment Yellow 74 as a yellow colorant and C.I. Pigment Red 48:1 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 199C, the content of each colorant preferably satisfies the following (A1-1 )～(A1-2). (A1-1) C.I. Pigment Yellow 74 is 0.25% by mass to less than 0.75% by mass, and C.I. Pigment Red 48:1 is 3.75% by mass to less than 5.75% by mass (A1-2) C.I. Pigment Yellow 74 is 0.75% by mass More than and less than 1.25% by mass, and C.I. Pigment Red 48:1 is more than 3.75% by mass and less than 5.25% by mass.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (A2-1)-(A2-2) from a viewpoint that the color reproducibility of PANTONE199C is more excellent. (A2-1) C.I. Pigment Yellow 74 is 0.25% by mass to less than 0.75% by mass, and C.I. Pigment Red 48:1 is 4.25% by mass to less than 5.25% by mass (A2-2) C.I. Pigment Yellow 74 is 0.75% by mass More than and less than 1.25% by mass, and C.I. Pigment Red 48:1 is more than 3.75% by mass and less than 4.75% by mass.

When C.I. Pigment Yellow 74 is contained as a yellow colorant and C.I. Pigment Red 48:3 is contained as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 199C, the content of each colorant preferably satisfies the following (B1-1 )～(B1-3). (B1-1) C.I. Pigment Yellow 74 is 0.25% by mass to less than 0.75% by mass, and C.I. Pigment Red 48:3 is 3.75% by mass to less than 5.75% by mass (B1-2) C.I. Pigment Yellow 74 is 0.75% by mass More than 1.25% by mass, and C.I. Pigment Red 48:3 is 3.75% by mass to less than 5.25% by mass (B1-3) C.I. Pigment Yellow 74 is 1.25% by mass to less than 1.75% by mass, and C.I. Pigment Red 48: 3 is 3.75 mass % or more and less than 4.25 mass %.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (B2-1)-(B2-2) from a viewpoint that the color reproducibility of PANTONE199C is more excellent. (B2-1) C.I. Pigment Yellow 74 is 0.25% by mass to less than 0.75% by mass, and C.I. Pigment Red 48:3 is 4.25% by mass to less than 5.75% by mass (B2-2) C.I. Pigment Yellow 74 is 0.75% by mass More than 1.25% by mass, and C.I. Pigment Red 48:3 is 3.75% by mass to less than 5.25% by mass.

When containing C.I. Pigment Yellow 74 as a yellow colorant and C.I. Pigment Red 57:1 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 199C, the content of each colorant preferably satisfies the following (C1-1 )～(C1-5). (C1-1) C.I. Pigment Yellow 74 is 1.25% by mass to less than 1.75% by mass, and C.I. Pigment Red 57:1 is 5.25% by mass to less than 6.25% by mass (C1-2) C.I. Pigment Yellow 74 is 1.75% by mass More than and less than 2.25% by mass, and C.I. Pigment Red 57:1 is 4.75% by mass to less than 7.25% by mass (C1-3) C.I. Pigment Yellow 74 is 2.25% by mass to less than 2.75% by mass, and C.I. Pigment Red 57: 1 is 5.25 mass % or more and less than 7.75 mass % (C1-4) C.I. Pigment Yellow 74 is 2.75 mass % or more and less than 3.25 mass %, and C.I. Pigment Red 57:1 is 5.75 mass % or more and less than 7.75 mass % (C1 -5) C.I. Pigment Yellow 74 is 3.25 mass % or more and less than 3.75 mass %, and C.I. Pigment Red 57:1 is 6.75 mass % or more and less than 7.75 mass %.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (C2-1)-(C2-3) from a viewpoint which the color reproducibility of PANTONE 199C is more excellent. (C2-1) C.I. Pigment Yellow 74 is 1.75% by mass to less than 2.25% by mass, and C.I. Pigment Red 57:1 is 5.25% by mass to less than 6.75% by mass (C2-2) C.I. Pigment Yellow 74 is 2.25% by mass More than and less than 2.75% by mass, and C.I. Pigment Red 57:1 is 5.25% by mass to less than 7.25% by mass (C2-3) C.I. Pigment Yellow 74 is 2.75% by mass to less than 3.25% by mass, and C.I. Pigment Red 57: 1 is 6.25 mass % or more and less than 7.75 mass %.

When containing C.I. Pigment Yellow 74 as a yellow colorant and C.I. Pigment Red 184 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 199C, the content of each colorant preferably satisfies the following (D1-1)～ Any of (D1-4). (D1-1) C.I. Pigment Yellow 74 is 1.25 mass % or more and less than 1.75 mass %, and C.I. Pigment Red 184 is 5.25 mass % or more and less than 6.25 mass % (D1-2) C.I. Pigment Yellow 74 is 1.75 mass % or more and Less than 2.25% by mass, and C.I. Pigment Red 184 is 5.25% by mass to less than 7.25% by mass (D1-3) C.I. Pigment Yellow 74 is 2.25% by mass to less than 2.75% by mass, and C.I. Pigment Red 184 is 5.25% by mass or more And less than 7.75% by mass (D1-4) C.I. Pigment Yellow 74 is 2.75% by mass to less than 3.25% by mass, and C.I. Pigment Red 184 is 5.75% by mass to less than 8.25% by mass.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (D2-1)-(D2-3) from a viewpoint which the color reproducibility of PANTONE 199C is more excellent. (D2-1) C.I. Pigment Yellow 74 is 1.75 mass % or more and less than 2.25 mass %, and C.I. Pigment Red 184 is 5.25 mass % or more and less than 7.25 mass % (D2-2) C.I. Pigment Yellow 74 is 2.25 mass % or more and Less than 2.75 mass %, and C.I. Pigment Red 184 is 5.75 mass % or more and less than 7.75 mass % (D2-3) C.I. Pigment Yellow 74 is 2.75 mass % or more and less than 3.25 mass %, and C.I. Pigment Red 184 is 6.25 mass % or more And less than 7.75% by mass.

In addition, from the viewpoint that the above-mentioned color difference ΔE with PANTONE 199C can be more easily controlled within the above-mentioned range, it is preferable to contain only C.I. Pigment Yellow 74 as a yellow colorant, and only the above-mentioned C.I. :3, C.I. Pigment Red 57:1, or any one of C.I. Pigment Red 184 as a red colorant.

Moreover, as content of each coloring agent at this time, it is also preferable that it is the range mentioned above.

The toner particles may contain colorants other than C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184. As another coloring agent, a pigment or a dye may be used, but a pigment is preferable from the viewpoint of light resistance or water resistance.

Examples of other colorants include white pigments such as SiO ₂ (silicon dioxide), TiO ₂ (titanium dioxide), and Al ₂ O ₃ (alumina); red pigments and dyes such as CI Pigment Red 122 and Rose Bengal. ; CI pigment yellow 97, CI pigment yellow 12, quinoline yellow, chrome yellow and other yellow pigments and dyes; green pigments and dyes such as malachite green oxalate; CI pigment blue 15:1, CI pigment blue 15:3 , Aniline blue, copper oil blue, ultramarine blue, phthalocyanine blue, chlorinated methylene blue and other blue pigments and dyes; carbon black, lamp black, Negro black and other black pigments and dyes, etc.

White pigments such as silica, titanium dioxide, and alumina may be added to toner particles for purposes other than coloring (for example, toner charge control and the like).

The total amount of the white pigment in the toner particles is preferably 20% by mass or less, more preferably 15% by mass or less, still more preferably 10% by mass or less, and still more preferably, from the viewpoint of facilitating color reproduction of PANTONE 199C. It is 5% by mass or less, particularly preferably 1% by mass or less.

From the viewpoint of easy color reproduction of PANTONE 199C, C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, C.I. Pigment Red 184, and white The content of colorants other than pigments is preferably 1% by mass or less, more preferably 0.5% by mass or less, still more preferably 0.1% by mass or less, and still more preferably no more than the detection limit, per each colorant. Included, particularly preferably 0% by mass.

From the viewpoint of making color reproduction of PANTONE 199C easy, C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, and C.I. Pigment Red 57 in the total amount of colorants in the toner particles: The total amount of 1 and C.I. Pigment Red 184 and the white pigment is preferably 85% by mass or more, more preferably 90% by mass or more, still more preferably 95% by mass or more, still more preferably 99% by mass or more, particularly preferably 100% by mass % (that is, it does not contain colorants other than C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, C.I. Pigment Red 184, and white pigments).

From the viewpoint of making color reproduction of PANTONE 199C easy, C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, and C.I. Pigment Red 57 in the total amount of colorants in the toner particles: The total amount of 1 and C.I. Pigment Red 184 is preferably 30% by mass or more, more preferably 40% by mass or more, still more preferably 50% by mass or more, still more preferably 60% by mass or more, still more preferably 70% by mass, and still more preferably 70% by mass or more. More preferably 80% by mass, still more preferably 90% by mass, particularly preferably 100% by mass (i.e. not containing C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1 and other colorants other than C.I. Pigment Red 184).

-Anti-sticking agent-

The release agent is the same as that described in the first embodiment.

-Inorganic oxide particles-

The toner particles may contain inorganic oxide particles, the contents of which are the same as those described in the first embodiment.

-Other additives-

Other additives are the same as those described in the first embodiment.

-Characteristics of Toner Particles-

The characteristics of the toner particles are the same as those described in the first embodiment.

[External Additives]

The external additives are the same as those described in the first embodiment.

[manufacturing method of toner]

The method of the toner according to the third embodiment is the same as that described in the "Method for Producing Toner" of the toner according to the first embodiment.

(Toner for electrostatic image development of the fourth embodiment)

The electrostatic image developing toner of the fourth embodiment is the following electrostatic image developing toner:

It contains toner particles containing at least a binder resin,

At least one yellow colorant selected from the group consisting of C.I. Pigment Yellow 155 and C.I. Pigment Yellow 185, and at least one red colorant selected from the group consisting of C.I. Pigment Red 238 and C.I. Pigment Red 146, wherein

The toner loading T (g/m ² ) on coated paper with a glossiness of 40% satisfies “T=4×D/7 (wherein, the above-mentioned D represents the volume average particle diameter obtained from the above-mentioned toner particles ( μm) in the case of an image of the formula except the length unit), the color difference ΔE obtained by the following formula from PANTONE 199C is within 10.

【Number 2】

ΔE＝{(L ₃ －L ₄ ) ² +(a ₃ －a ₄ ) ² +(b ₃ －b ₄ ) ² } ^0.5

In the above formula, the above-mentioned L ₃ , a ₃ , b ₃ , L ₄ , a ₄ and b ₄ are the same as those described in the third embodiment.

The toner particles constituting the toner according to the fourth embodiment contain at least a binder resin, and at least one yellow coloring selected from the group consisting of C.I. (Color Index (hereinafter the same)) Pigment Yellow 155 and Pigment Yellow 185. agent, and at least one red colorant selected from the group consisting of C.I. Pigment Red 238 and C.I. Pigment Red 146.

In addition, the toner of the present embodiment forms a toner load T (g/m ² ) on coated paper with a glossiness of 40% to satisfy "T=4×D/7 (wherein, the above D represents The volume average particle diameter (μm) of the toner particles is obtained by subtracting the value of the unit of length) ", and the color difference ΔE obtained by the following formula from PANTONE 199C is within 10.

By having the above configuration, there is provided a toner capable of forming an image having excellent color reproducibility of PANTONE 199C.

【Number 2】

ΔE＝{(L ₃ －L ₄ ) ² +(a ₃ －a ₄ ) ² +(b ₃ －b ₄ ) ² } ^0.5

In the above formula, the above-mentioned L ₃ , a ₃ , b ₃ , L ₄ , a ₄ and b ₄ are the same as those described in the third embodiment.

[Toner particles]

The toner particles contain a binder resin and a colorant, and may further contain a release agent or other internal additives.

Next, the components contained in the toner particles will be described in detail.

-Binder resin-

The binder resin is the same as that described in the first embodiment.

As the binder resin, polyester resin is suitable.

Regarding the polyester resin, an amorphous polyester resin and a crystalline polyester resin may be used in combination from the viewpoint that the color reproducibility of PANTONE 199C is more excellent.

-Colorant-

The toner particles contain at least one yellow colorant selected from the group consisting of C.I. Pigment Yellow 155 and C.I. Pigment Yellow 185, and C.I. Pigment Red 238 (= C.I. Pigment Red 269) and C.I. Pigment Red 146. At least one of the group is used as a red coloring agent.

・Content of coloring agent

When containing C.I. Pigment Yellow 155 as a yellow colorant and C.I. Pigment Red 238 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 199C, the content of each colorant preferably satisfies the following (A1-1)～ Any of (A1-4). (A1-1) C.I. Pigment Yellow 155 is 2.25 mass % or more and less than 2.75 mass %, and C.I. Pigment Red 238 is 5.25 mass % or more and less than 7.25 mass % (A1-2) C.I. Pigment Yellow 155 is 2.75 mass % or more and Less than 3.25% by mass, and C.I. Pigment Red 238 is 5.75% by mass to less than 8.25% by mass (A1-3) C.I. Pigment Yellow 155 is 3.25% by mass to less than 3.75% by mass, and C.I. Pigment Red 238 is 6.25% by mass or more and less than 8.75% by mass (A1-4) C.I. Pigment Yellow 155 is 3.75% by mass to less than 4.25% by mass, and C.I. Pigment Red 238 is 6.75% by mass to less than 8.75% by mass.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (A2-1)-(A2-4) from a viewpoint that the color reproducibility of PANTONE199C is more excellent. (A2-1) C.I. Pigment Yellow 155 is 2.25 mass % or more and less than 2.75 mass %, and C.I. Pigment Red 238 is 5.75 mass % or more and less than 7.25 mass % (A2-2) C.I. Pigment Yellow 155 is 2.75 mass % or more and Less than 3.25% by mass, and C.I. Pigment Red 238 is 5.75% by mass to less than 7.75% by mass (A2-3) C.I. Pigment Yellow 155 is 3.25% by mass to less than 3.75% by mass, and C.I. Pigment Red 238 is 6.25% by mass or more and less than 8.25% by mass (A2-4) C.I. Pigment Yellow 155 is 3.75% by mass to less than 4.25% by mass, and C.I. Pigment Red 238 is 7.25% by mass to less than 8.25% by mass.

When containing C.I. Pigment Yellow 155 as a yellow colorant and C.I. Pigment Red 146 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 199C, the content of each colorant preferably satisfies the following (B1-1)～ Any of (B1-4). (B1-1) C.I. Pigment Yellow 155 is 1.25 mass % or more and less than 1.75 mass %, and C.I. Pigment Red 146 is 5.25 mass % or more and less than 6.75 mass % (B1-2) C.I. Pigment Yellow 155 is 1.75 mass % or more and Less than 2.25 mass%, and C.I. Pigment Red 146 is 5.25 mass% or more and less than 7.75 mass% (B1-3) C.I. Pigment Yellow 155 is 2.25 mass% or more and less than 2.75 mass%, and C.I. Pigment Red 146 is 5.75 mass% or more and less than 8.25% by mass (B1-4) C.I. Pigment Yellow 155 is 2.75% by mass to less than 3.25% by mass, and C.I. Pigment Red 146 is 6.25% by mass to less than 8.25% by mass.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (B2-1)-(B2-4) from a viewpoint which the color reproducibility of PANTONE199C is more excellent. (B2-1) C.I. Pigment Yellow 155 is 1.25 mass % or more and less than 1.75 mass %, and C.I. Pigment Red 146 is 5.25 mass % or more and less than 6.75 mass % (B2-2) C.I. Pigment Yellow 155 is 1.75 mass % or more and Less than 2.25% by mass, and C.I. Pigment Red 146 is 5.25% by mass to less than 7.25% by mass (B2-3) C.I. Pigment Yellow 155 is 2.25% by mass to less than 2.75% by mass, and C.I. Pigment Red 146 is 5.75% by mass or more and less than 7.75% by mass (B2-4) C.I. Pigment Yellow 155 is 2.75% by mass to less than 3.25% by mass, and C.I. Pigment Red 146 is 6.75% by mass to less than 7.75% by mass.

When containing C.I. Pigment Yellow 185 as a yellow colorant and C.I. Pigment Red 238 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 199C, the content of each colorant preferably satisfies the following (C1-1)～ Any of (C1-4). (C1-1) C.I. Pigment Yellow 185 is 2.25 mass % or more and less than 2.75 mass %, and C.I. Pigment Red 238 is 5.25 mass % or more and less than 7.25 mass % (C1-2) C.I. Pigment Yellow 185 is 2.75 mass % or more and Less than 3.25% by mass, and C.I. Pigment Red 238 is 5.75% by mass to less than 8.25% by mass (C1-3) C.I. Pigment Yellow 185 is 3.25% by mass to less than 3.75% by mass, and C.I. Pigment Red 238 is 6.25% by mass or more And less than 8.75% by mass (C1-4) C.I. Pigment Yellow 185 is 3.75% by mass to less than 4.25% by mass, and C.I. Pigment Red 238 is 6.75% by mass to less than 8.75% by mass.

Furthermore, from the viewpoint that the color reproducibility of PANTONE 199C is more excellent, it is preferable that content of each coloring agent satisfies any one of following (C2-1)-(C2-4). (C2-1) C.I. Pigment Yellow 185 is 2.25 mass % or more and less than 2.75 mass %, and C.I. Pigment Red 238 is 5.75 mass % or more and less than 7.25 mass % (C2-2) C.I. Pigment Yellow 185 is 2.75 mass % or more and Less than 3.25 mass %, and C.I. Pigment Red 238 is 5.75 mass % or more and less than 7.75 mass % (C2-3) C.I. Pigment Yellow 185 is 3.25 mass % or more and less than 3.75 mass %, and C.I. Pigment Red 238 is 6.25 mass % or more And less than 8.25% by mass (C2-4) C.I. Pigment Yellow 185 is 3.75% by mass to less than 4.25% by mass, and C.I. Pigment Red 238 is 7.25% by mass to less than 8.25% by mass.

When containing C.I. Pigment Yellow 185 as a yellow colorant and C.I. Pigment Red 146 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 199C, the content of each colorant preferably satisfies the following (D1-1)～ Any of (D1-4). (D1-1) C.I. Pigment Yellow 185 is 1.25 mass % or more and less than 1.75 mass %, and C.I. Pigment Red 146 is 5.25 mass % or more and less than 6.75 mass % (D1-2) C.I. Pigment Yellow 185 is 1.75 mass % or more and Less than 2.25% by mass, and C.I. Pigment Red 146 is 5.25% by mass to less than 7.75% by mass (D1-3) C.I. Pigment Yellow 185 is 2.25% by mass to less than 2.75% by mass, and C.I. Pigment Red 146 is 5.75% by mass or more and less than 8.25% by mass (D1-4) C.I. Pigment Yellow 185 is 2.75% by mass to less than 3.25% by mass, and C.I. Pigment Red 146 is 6.25% by mass to less than 8.25% by mass.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (D2-1)-(D2-4) from a viewpoint which the color reproducibility of PANTONE199C is more excellent. (D2-1) C.I. Pigment Yellow 185 is 1.25 mass % or more and less than 1.75 mass %, and C.I. Pigment Red 146 is 5.25 mass % or more and less than 6.25 mass % (D2-2) C.I. Pigment Yellow 185 is 1.75 mass % or more and Less than 2.25% by mass, and C.I. Pigment Red 146 is 5.25% by mass to less than 7.25% by mass (D2-3) C.I. Pigment Yellow 185 is 2.25% by mass to less than 2.75% by mass, and C.I. Pigment Red 146 is 5.75% by mass or more And less than 7.75% by mass (D2-4) C.I. Pigment Yellow 185 is 2.75% by mass to less than 3.25% by mass, and C.I. Pigment Red 146 is 6.75% by mass to less than 7.75% by mass.

In addition, it is preferable to contain only C.I. Pigment Yellow 155 or C.I. Pigment Yellow 185 as a yellow colorant and only the above-mentioned C.I. Either Pigment Red 238 or C.I. Pigment Red 146 was used as the red colorant.

Moreover, as content of each coloring agent at this time, it is also preferable that it is the range mentioned above.

The toner particles may contain other colorants than C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, and C.I. Pigment Red 146. As another coloring agent, a pigment or a dye may be used, but a pigment is preferable from the viewpoint of light resistance or water resistance.

Examples of other colorants include white pigments such as SiO ₂ (silicon dioxide), TiO ₂ (titanium dioxide), and Al ₂ O ₃ (alumina); CI Pigment Red 122, CI Pigment Red 48:1, CI Pigment Red Red pigments and dyes such as Red 57:1, Bengal Rose Red, etc.; yellow pigments and dyes such as CI Pigment Yellow 97, CI Pigment Yellow 12, Quinoline Yellow, Chrome Yellow, etc.; green pigments and dyes such as malachite green oxalate ;CI pigment blue 15:1, CI pigment blue 15:3, aniline blue, copper oil blue, ultramarine blue, phthalocyanine blue, chlorinated methylene blue and other blue pigments and dyes; carbon black, lamp black, nigro black Such as black pigments and dyes, etc.

White pigments such as silica, titanium dioxide, and alumina may be added to toner particles for purposes other than coloring (for example, toner charge control and the like).

The total amount of the white pigment in the toner particles is preferably 20% by mass or less, more preferably 15% by mass or less, still more preferably 10% by mass or less, and still more preferably, from the viewpoint of facilitating color reproduction of PANTONE 199C. It is 5% by mass or less, particularly preferably 1% by mass or less.

From the viewpoint of making the color reproduction of PANTONE 199C easy, the content of colorants other than C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, C.I. Pigment Red 146, and white pigment in the toner particles per coloring The agent is preferably 1% by mass or less, more preferably 0.5% by mass or less, still more preferably 0.1% by mass or less, still more preferably not more than the detection limit and substantially not included, particularly preferably 0% by mass.

From the viewpoint of making the color reproduction of PANTONE 199C easy, the C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, and C.I. Pigment Red 146, and the white pigment in the total amount of colorants in the toner particles The total amount is preferably 85% by mass or more, more preferably 90% by mass or more, still more preferably 95% by mass or more, still more preferably 99% by mass or more, and particularly preferably 100% by mass (that is, C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, C.I. Pigment Red 146, and colorants other than white pigment).

From the viewpoint of easy color reproduction of PANTONE 199C, the total amount of C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, and C.I. Pigment Red 146 in the total amount of colorants in the toner particles is preferably 30% by mass or more, more preferably 40% by mass or more, still more preferably 50% by mass or more, still more preferably 60% by mass or more, still more preferably 70% by mass, still more preferably 80% by mass, still more preferably 90% by mass, particularly preferably 100% by mass (that is, no colorants other than C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, and C.I. Pigment Red 146).

-Anti-sticking agent-

The release agent is the same as that described in the first embodiment.

-Inorganic oxide particles-

The toner particles may contain inorganic oxide particles, the contents of which are the same as those described in the first embodiment.

-Other additives-

Other additives are the same as those described in the first embodiment.

-Characteristics of Toner Particles-

The characteristics of the toner particles are the same as those described in the first embodiment.

[External Additives]

As the external additive, it is the same as that described in the first embodiment.

[manufacturing method of toner]

The toner of the fourth embodiment is the same as the method described in [Method for Producing Toner] of the toner of the first embodiment.

(Toner for electrostatic image development of the fifth embodiment)

The electrostatic image developing toner of the fifth embodiment is the following electrostatic image developing toner:

It contains toner particles containing at least a binder resin,

C.I. Pigment Yellow 74 as a yellow colorant, and at least one red colorant selected from the group consisting of C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184, in

The toner loading T (g/m ² ) on coated paper with a glossiness of 40% satisfies “T=4×D/7 (wherein, the above-mentioned D represents the volume average particle diameter obtained from the above-mentioned toner particles ( μm) when the value obtained by subtracting the unit of the length)" in the image of the formula, the color difference ΔE obtained by the following formula from PANTONE166C is within 10.

【Number 3】

ΔE＝{(L ₅ －L ₆ ) ² +(a ₅ －a ₆ ) ² +(b ₅ －b ₆ ) ² } ^0.5

[In the above formula, the above-mentioned L ₅ , a ₅ and b ₅ are the L ^* value, a ^* value and b ^* value of PANTONE166C respectively, which are obtained by measuring the color sample PANTONE166C with a reflection spectrodensitometer. The aforementioned L ₆ , a ₆ , and b ₆ are each the L ^* value, a ^* value, and b ^* value of the image formed with the aforementioned electrostatic image developing toner, which are obtained by measuring the image with the aforementioned reflection spectrodensitometer. of. ]

The toner particles constituting the toner according to the fifth embodiment contain at least: a binder resin, C.I. (Color Index (hereinafter the same)) Pigment Yellow 74 as a yellow colorant, and C.I. Pigment Red 48:1, At least one red colorant selected from the group consisting of C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184.

In addition, the toner of the present embodiment forms a toner load T (g/m ² ) on coated paper with a glossiness of 40% to satisfy "T=4×D/7 (wherein, the above D represents The volume average particle diameter (μm) of the toner particles is obtained by subtracting the value of the unit of length) ", and the color difference ΔE obtained by the following formula from PANTONE 166C is within 10.

By having the above configuration, there is provided a toner capable of forming an image having excellent color reproducibility of PANTONE 166C.

【Number 2】

ΔE＝{(L ₅ －L ₆ ) ² +(a ₅ －a ₆ ) ² +(b ₁ －b ₂ ) ² } ^0.5

In the above formula, the above-mentioned L ₅ , a ₅ and b ₅ are respectively the L ^* value, a ^* value and b ^* value of PANTONE166C, obtained by taking the color sample PANTONE166C with a reflection spectrodensitometer (manufactured by X-Rite Corporation, trade name: Xrite -939) measured. The aforementioned L ₆ , a ₆ , and b ₆ are each the L ^* value, a ^* value, and b ^* value of the image formed using the toner for developing an electrostatic image, and are obtained by measuring the image with the aforementioned reflection spectrodensitometer. of.

In addition, the color difference ΔE is a color difference represented by L ^* value, a ^* value, and b ^* value in the CIE1976L ^* a ^* b ^* colorimetric system.

In addition, the above-mentioned color sample PANTONE166C is a color sample in which an image is formed on coated paper having the above-mentioned glossiness (gloss), and an image formed using a toner in the measurement of the color difference ΔE also satisfies the above-mentioned glossiness. Determine the color difference ΔE on the basis of the conditions for the coated paper to be formed.

In addition, the glossiness (glossiness) of the coated paper used for the measurement of color difference ΔE was measured by the following method.

The gloss (gloss) of the coated paper in the present embodiment refers to the gloss obtained by measuring at 60° of JIS K5600-4-7 (JIS Z8741), and the measuring device uses a model 4430 micro- TRI-gloss.

Furthermore, the toner load T of the image provided for the measurement of the color difference ΔE is fixed from the value D obtained by subtracting the unit of length from the volume average particle diameter (μm) of the toner particles as described above using the formula "T= 4×D/7” calculated value.

In addition, the reason why the formula for calculating the toner load T of the image provided for measuring the color difference ΔE is "T=4×D/7" as described above is as follows.

That is, there is a space between the paper and the toner particles in a state where the toner particles have no fixed image, but the toner particles are melted at the time of fixing, and the melted toner is filled in the above-mentioned spaces. The form of particles reduces space and becomes a toner image. There are effects of the shape of toner particles, unevenness of paper, etc., so it cannot be generalized, but generally, it is because it is preferable to obtain a solid image by using the value represented by the formula "T=4×D/7".

The smaller the above-mentioned color difference ΔE from PANTONE 166C, the more preferable. The color difference ΔE is preferably 8 or less, more preferably 7 or less, still more preferably 6 or less, and still more preferably 5 or less.

In addition, as a method of controlling the color difference ΔE from PANTONE 166C within the above-mentioned range, for example, the selection of the yellow colorant and the red colorant contained in the toner particles and the respective amounts of the yellow colorant and the red colorant are mentioned. adjustments etc.

[Toner particles]

The toner particles contain a binder resin and a colorant, and may further contain a release agent or other internal additives.

Next, the components contained in the toner particles will be described in detail.

-Binder resin-

The binder resin is the same as that described in the first embodiment.

As the binder resin, polyester resin is suitable.

Regarding the polyester resin, an amorphous polyester resin and a crystalline polyester resin may be used in combination from the viewpoint that the color reproducibility of PANTONE 166C is more excellent.

-Colorant-

The toner particles contain C.I. Pigment Yellow 74 as a yellow colorant, and contain at least 1 selected from the group consisting of C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184. species as a red colorant.

・Content of coloring agent

When C.I. Pigment Yellow 74 is contained as a yellow colorant and C.I. Pigment Red 48:1 is contained as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 166C, the content of each colorant preferably satisfies the following (A1-1 )～(A1-3). (A1-1) C.I. Pigment Yellow 74 is 2.25% by mass to less than 2.75% by mass, and C.I. Pigment Red 48:1 is 3.75% by mass to less than 5.25% by mass (A1-2) C.I. Pigment Yellow 74 is 2.75% by mass More than and less than 3.25% by mass, and C.I. Pigment Red 48:1 is 3.25% by mass to less than 4.75% by mass (A1-3) C.I. Pigment Yellow 74 is 3.25% by mass to less than 3.75% by mass, and C.I. Pigment Red 48: 1 is 3.25 mass % or more and less than 3.75 mass %.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (A2-1)-(A2-2) from a viewpoint that the color reproducibility of PANTONE166C is more excellent. (A2-1) C.I. Pigment Yellow 74 is 2.25% by mass to less than 2.75% by mass, and C.I. Pigment Red 48:1 is 3.75% by mass to less than 4.75% by mass (A2-2) C.I. Pigment Yellow 74 is 2.75% by mass or more and less than 3.25% by mass, and C.I. Pigment Red 48:1 is not less than 3.25% by mass and less than 4.25% by mass.

When C.I. Pigment Yellow 74 is contained as a yellow colorant and C.I. Pigment Red 48:3 is contained as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 166C, the content of each colorant preferably satisfies the following (B1-1 )～(B1-4). (B1-1) C.I. Pigment Yellow 74 is 2.25% by mass to less than 2.75% by mass, and C.I. Pigment Red 48:3 is 4.25% by mass to less than 5.25% by mass (B1-2) C.I. Pigment Yellow 74 is 2.75% by mass More than and less than 3.25% by mass, and C.I. Pigment Red 48:3 is more than 3.25% by mass and less than 5.25% by mass (B1-3) C.I. Pigment Yellow 74 is more than 3.25% by mass and less than 3.75% by mass, and C.I. Pigment Red 48: 3 is 2.75 mass % or more and less than 4.75 mass % (B1-4) C.I. Pigment Yellow 74 is 3.75 mass % or more and less than 4.25 mass %, and C.I. Pigment Red 48:3 is 3.25 mass % or more and less than 3.75 mass %.

Furthermore, from the viewpoint that the color reproducibility of PANTONE 166C is more excellent, it is preferable that content of each coloring agent satisfies any one of following (B2-1)-(B2-2). (B2-1) C.I. Pigment Yellow 74 is 2.75% by mass to less than 3.25% by mass, and C.I. Pigment Red 48:3 is 3.75% by mass to less than 4.75% by mass (B2-2) C.I. Pigment Yellow 74 is 3.25% by mass or more and less than 3.75% by mass, and C.I. Pigment Red 48:3 is not less than 3.25% by mass and less than 4.25% by mass.

When containing C.I. Pigment Yellow 74 as a yellow colorant and C.I. Pigment Red 57:1 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 166C, the content of each colorant preferably satisfies the following (C1-1 )～(C1-4). (C1-1) C.I. Pigment Yellow 74 is 3.75% by mass to less than 4.25% by mass, and C.I. Pigment Red 57:1 is 4.25% by mass to less than 5.25% by mass (C1-2) C.I. Pigment Yellow 74 is 4.25% by mass More than and less than 4.75% by mass, and C.I. Pigment Red 57:1 is 4.25% by mass to less than 6.25% by mass (C1-3) C.I. Pigment Yellow 74 is 4.75% by mass to less than 5.25% by mass, and C.I. Pigment Red 57: 1 is 4.25 mass % or more and less than 6.75 mass % (C1-4) C.I. Pigment Yellow 74 is 5.25 mass % or more and less than 5.75 mass %, and C.I. Pigment Red 57:1 is 4.75 mass % or more and less than 7.25 mass %.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (C2-1)-(C2-3) from a viewpoint which the color reproducibility of PANTONE166C is more excellent. (C2-1) C.I. Pigment Yellow 74 is 4.25% by mass to less than 4.75% by mass, and C.I. Pigment Red 57:1 is 4.25% by mass to less than 6.25% by mass (C2-2) C.I. Pigment Yellow 74 is 4.75% by mass More than and less than 5.25% by mass, and C.I. Pigment Red 57:1 is 4.75% by mass to less than 6.75% by mass (C2-3) C.I. Pigment Yellow 74 is 5.25% by mass to less than 5.75% by mass, and C.I. Pigment Red 57: 1 is 5.25 mass % or more and less than 6.75 mass %.

When containing C.I. Pigment Yellow 74 as a yellow colorant and C.I. Pigment Red 184 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 166C, the content of each colorant preferably satisfies the following (D1-1)～ Any of (D1-4). (D1-1) C.I. Pigment Yellow 74 is 3.75 mass % or more and less than 4.25 mass %, and C.I. Pigment Red 184 is 4.25 mass % or more and less than 5.75 mass % (D1-2) C.I. Pigment Yellow 74 is 4.25 mass % or more and Less than 4.75% by mass, and C.I. Pigment Red 184 is 4.25% by mass to less than 6.25% by mass (D1-3) C.I. Pigment Yellow 74 is 4.75% by mass to less than 5.25% by mass, and C.I. Pigment Red 184 is 4.25% by mass or more And less than 6.75% by mass (D1-4) C.I. Pigment Yellow 74 is 5.25% by mass to less than 5.75% by mass, and C.I. Pigment Red 184 is 5.25% by mass to less than 7.25% by mass.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (D2-1)-(D2-4) from a viewpoint which the color reproducibility of PANTONE166C is more excellent. (D2-1) C.I. Pigment Yellow 74 is 3.75 mass % or more and less than 4.25 mass %, and C.I. Pigment Red 184 is 4.75 mass % or more and less than 5.25 mass % (D2-2) C.I. Pigment Yellow 74 is 4.25 mass % or more and Less than 4.75% by mass, and C.I. Pigment Red 184 is 4.25% by mass to less than 6.25% by mass (D2-3) C.I. Pigment Yellow 74 is 4.75% by mass to less than 5.25% by mass, and C.I. Pigment Red 184 is 4.75% by mass or more And less than 6.75% by mass (D2-4) C.I. Pigment Yellow 74 is 5.25% by mass to less than 5.75% by mass, and C.I. Pigment Red 184 is 5.25% by mass to less than 6.75% by mass.

In addition, it is preferable to contain only C.I. Pigment Yellow 74 as a yellow colorant, and only C.I. Pigment Red 48:1 and C.I. :3, C.I. Pigment Red 57:1, or any one of C.I. Pigment Red 184 as a red colorant.

Moreover, as content of each coloring agent at this time, it is also preferable that it is the range mentioned above.

The toner particles may contain colorants other than C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, and C.I. Pigment Red 184. As another coloring agent, a pigment or a dye may be used, but a pigment is preferable from the viewpoint of light resistance or water resistance.

Examples of other colorants include white pigments such as SiO ₂ (silicon dioxide), TiO ₂ (titanium dioxide), and Al ₂ O ₃ (alumina); red pigments and dyes such as CI Pigment Red 122 and Rose Bengal. ; CI pigment yellow 97, CI pigment yellow 12, quinoline yellow, chrome yellow and other yellow pigments and dyes; green pigments and dyes such as malachite green oxalate; CI pigment blue 15:1, CI pigment blue 15:3 , Aniline blue, copper oil blue, ultramarine blue, phthalocyanine blue, chlorinated methylene blue and other blue pigments and dyes; carbon black, lamp black, Negro black and other black pigments and dyes, etc.

White pigments such as silica, titanium dioxide, and alumina may be added to toner particles for purposes other than coloring (for example, toner charge control and the like).

The total amount of the white pigment in the toner particles is preferably 20% by mass or less, more preferably 15% by mass or less, still more preferably 10% by mass or less, and still more preferably, from the viewpoint of facilitating color reproduction of PANTONE 166C It is 5% by mass or less, particularly preferably 1% by mass or less.

From the viewpoint of easy color reproduction of PANTONE 166C, C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, C.I. Pigment Red 184, and white The content of colorants other than pigments is preferably 1% by mass or less, more preferably 0.5% by mass or less, still more preferably 0.1% by mass or less, still more preferably no more than the detection limit, and substantially no , particularly preferably 0% by mass.

From the viewpoint of making the color reproduction of PANTONE 166C easy, C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, and C.I. Pigment Red 57 in the total amount of colorants in the toner particles: The total amount of 1 and C.I. Pigment Red 184 and the white pigment is preferably 85% by mass or more, more preferably 90% by mass or more, still more preferably 95% by mass or more, still more preferably 99% by mass or more, particularly preferably 100% by mass % (that is, it does not contain colorants other than C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1, C.I. Pigment Red 184, and white pigments).

From the viewpoint of making the color reproduction of PANTONE 166C easy, C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, and C.I. Pigment Red 57 in the total amount of colorants in the toner particles: The total amount of 1 and C.I. Pigment Red 184 is preferably 30% by mass or more, more preferably 40% by mass or more, still more preferably 50% by mass or more, still more preferably 60% by mass or more, still more preferably 70% by mass, and still more preferably 70% by mass or more. More preferably 80% by mass, still more preferably 90% by mass, particularly preferably 100% by mass (i.e. not containing C.I. Pigment Yellow 74, C.I. Pigment Red 48:1, C.I. Pigment Red 48:3, C.I. Pigment Red 57:1 and other colorants other than C.I. Pigment Red 184).

-Anti-sticking agent-

The release agent is the same as that described in the first embodiment.

-Inorganic oxide particles-

The toner particles may contain inorganic oxide particles, the contents of which are the same as those described in the first embodiment.

-Other additives-

Other additives are the same as those described in the first embodiment.

-Characteristics of Toner Particles-

The characteristics of the toner particles are the same as those described in the first embodiment.

[External Additives]

The external additives are the same as those described in the first embodiment.

[manufacturing method of toner]

The toner according to the fifth embodiment is the same as the method described in [Method for Producing Toner] of the toner according to the first embodiment.

(Toner for electrostatic image development of the sixth embodiment)

The electrostatic image developing toner of the sixth embodiment is the following electrostatic image developing toner:

It includes toner particles containing at least a binder resin, at least one yellow colorant selected from the group consisting of C.I. Pigment Yellow 155 and C.I. Pigment Yellow 185,

and at least one red colorant selected from the group consisting of C.I. Pigment Red 238 and C.I. Pigment Red 146, wherein

The toner loading T (g/m ² ) on coated paper with a glossiness of 40% satisfies “T=4×D/7 (wherein, the above-mentioned D represents the volume average particle diameter obtained from the above-mentioned toner particles ( μm) when the value obtained by subtracting the unit of the length)" in the image of the formula, the color difference ΔE obtained by the following formula from PANTONE166C is within 10.

【Number 3】

ΔE＝{(L ₅ －L ₆ ) ² +(a ₅ －a ₆ ) ² +(b ₅ －b ₆ ) ² } ^0.5

[In the above formula, the above-mentioned L ₅ , a ₅ , b ₅ , L ₆ , a ₆ and b ₆ are the same as those described in the fifth embodiment]

The toner particles constituting the toner according to the sixth embodiment contain at least a binder resin, and at least one yellow coloring selected from the group consisting of C.I. (Color Index (hereinafter the same)) Pigment Yellow 155 and Pigment Yellow 185. agent, and at least one red colorant selected from the group consisting of C.I. Pigment Red 238 and C.I. Pigment Red 146.

In addition, the toner of the present embodiment forms a toner load T (g/m ² ) on coated paper with a glossiness of 40% to satisfy "T=4×D/7 (wherein, the above D represents The volume average particle diameter (μm) of the toner particles is obtained by subtracting the value of the unit of length) ", and the color difference ΔE obtained by the following formula from PANTONE 166C is within 10.

By having the above configuration, there is provided a toner capable of forming an image having excellent color reproducibility of PANTONE 166C.

【Number 2】

ΔE＝{(L ₅ －L ₆ ) ² +(a ₅ －a ₆ ) ² +(b ₅ －b ₆ ) ² } ^0.5

In the above formula, the above-mentioned L ₅ , a ₅ , b ₅ , L ₆ , a ₆ , and b ₆ are the same as those described in the fifth embodiment.

[Toner particles]

The toner particles contain a binder resin and a colorant, and may further contain a release agent or other internal additives.

Next, the components contained in the toner particles will be described in detail.

-Binder resin-

The binder resin is the same as that described in the first embodiment.

As the binder resin, polyester resin is suitable.

Regarding the polyester resin, an amorphous polyester resin and a crystalline polyester resin may be used in combination from the viewpoint that the color reproducibility of PANTONE 166C is more excellent.

-Colorant-

The toner particles contain at least one yellow colorant selected from the group consisting of C.I. Pigment Yellow 155 and C.I. Pigment Yellow 185, and C.I. Pigment Red 238 (= C.I. Pigment Red 269) and C.I. Pigment Red 146. At least one of the group is used as a red coloring agent.

・Content of coloring agent

When containing C.I. Pigment Yellow 155 as a yellow colorant and C.I. Pigment Red 238 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 166C, the content of each colorant preferably satisfies the following (A1-1)～ Any of (A1-5). (A1-1) C.I. Pigment Yellow 155 is 4.25 mass % or more and less than 4.75 mass %, and C.I. Pigment Red 238 is 4.75 mass % or more and less than 5.75 mass % (A1-2) C.I. Pigment Yellow 155 is 4.75 mass % or more and Less than 5.25% by mass, and C.I. Pigment Red 238 is 4.75% by mass to less than 6.75% by mass (A1-3) C.I. Pigment Yellow 155 is 5.25% by mass to less than 5.75% by mass, and C.I. Pigment Red 238 is 4.75% by mass or more and less than 7.25% by mass (A1-4) C.I. Pigment Yellow 155 is 5.75% by mass to less than 6.25% by mass, and C.I. Pigment Red 238 is 5.75% by mass to less than 7.75% by mass (A1-5) C.I. Pigment Yellow 155 is 6.25% by mass to less than 6.75% by mass, and C.I. Pigment Red 238 is 6.25% by mass to less than 7.75% by mass.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (A2-1)-(A2-3) from a viewpoint which is more excellent in the color reproducibility of PANTONE166C. (A2-1) C.I. Pigment Yellow 155 is 4.75 mass % or more and less than 5.25 mass %, and C.I. Pigment Red 238 is 4.75 mass % or more and less than 6.25 mass % (A2-2) C.I. Pigment Yellow 155 is 5.25 mass % or more and Less than 5.75% by mass, and C.I. Pigment Red 238 is 5.25% by mass to less than 7.25% by mass (A2-3) C.I. Pigment Yellow 155 is 5.75% by mass to less than 6.25% by mass, and C.I. Pigment Red 238 is 5.75% by mass or more And less than 7.75% by mass.

When containing C.I. Pigment Yellow 155 as a yellow colorant and C.I. Pigment Red 146 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 166C, the content of each colorant preferably satisfies the following (B1-1)～ Any of (B1-4). (B1-1) C.I. Pigment Yellow 155 is 3.75 mass % or more and less than 4.25 mass %, and C.I. Pigment Red 146 is 4.25 mass % or more and less than 6.25 mass % (B1-2) C.I. Pigment Yellow 155 is 4.25 mass % or more and Less than 4.75% by mass, and C.I. Pigment Red 146 is 4.25% by mass to less than 6.75% by mass (B1-3) C.I. Pigment Yellow 155 is 4.75% by mass to less than 5.25% by mass, and C.I. Pigment Red 146 is 4.75% by mass or more and less than 7.25% by mass (B1-4) C.I. Pigment Yellow 155 is 5.25% by mass to less than 5.75% by mass, and C.I. Pigment Red 146 is 5.75% by mass to less than 7.25% by mass.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (B2-1)-(B2-4) from a viewpoint which the color reproducibility of PANTONE166C is more excellent. (B2-1) C.I. Pigment Yellow 155 is 3.75 mass % or more and less than 4.25 mass %, and C.I. Pigment Red 146 is 4.75 mass % or more and less than 5.75 mass % (B2-2) C.I. Pigment Yellow 155 is 4.25 mass % or more and Less than 4.75% by mass, and C.I. Pigment Red 146 is 4.75% by mass to less than 6.75% by mass (B2-3) C.I. Pigment Yellow 155 is 4.75% by mass to less than 5.25% by mass, and C.I. Pigment Red 146 is 5.25% by mass or more and less than 6.75% by mass (B2-4) C.I. Pigment Yellow 155 is 5.25% by mass to less than 5.75% by mass, and C.I. Pigment Red 146 is 5.75% by mass to less than 6.75% by mass.

When containing C.I. Pigment Yellow 185 as a yellow colorant and C.I. Pigment Red 238 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 166C, the content of each colorant preferably satisfies the following (C1-1)～ Any of (C1-5). (C1-1) C.I. Pigment Yellow 185 is 4.25 mass % or more and less than 4.75 mass %, and C.I. Pigment Red 238 is 4.25 mass % or more and less than 5.75 mass % (C1-2) C.I. Pigment Yellow 185 is 4.75 mass % or more and Less than 5.25% by mass, and C.I. Pigment Red 238 is 4.25% by mass to less than 6.75% by mass (C1-3) C.I. Pigment Yellow 185 is 5.25% by mass to less than 5.75% by mass, and C.I. Pigment Red 238 is 4.75% by mass or more and less than 7.25% by mass (C1-4) C.I. Pigment Yellow 185 is 5.75% by mass to less than 6.25% by mass, and C.I. Pigment Red 238 is 5.25% by mass to less than 7.75% by mass (C1-5) C.I. Pigment Yellow 185 is 6.25% by mass to less than 6.75% by mass, and C.I. Pigment Red 238 is 6.25% by mass to less than 7.75% by mass.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (C2-1)-(C2-3) from a viewpoint which the color reproducibility of PANTONE166C is more excellent. (C2-1) C.I. Pigment Yellow 185 is 4.75 mass % or more and less than 5.25 mass %, and C.I. Pigment Red 238 is 4.75 mass % or more and less than 6.25 mass % (C2-2) C.I. Pigment Yellow 185 is 5.25 mass % or more and Less than 5.75% by mass, and C.I. Pigment Red 238 is 5.25% by mass to less than 7.25% by mass (C2-3) C.I. Pigment Yellow 185 is 5.75% by mass to less than 6.25% by mass, and C.I. Pigment Red 238 is 5.75% by mass or more And less than 7.25% by mass.

When containing C.I. Pigment Yellow 185 as a yellow colorant and C.I. Pigment Red 146 as a red colorant, from the viewpoint of excellent color reproducibility of PANTONE 166C, the content of each colorant preferably satisfies the following (D1-1)～ Any of (D1-4). (D1-1) C.I. Pigment Yellow 185 is 3.75 mass % or more and less than 4.25 mass %, and C.I. Pigment Red 146 is 4.25 mass % or more and less than 6.25 mass % (D1-2) C.I. Pigment Yellow 185 is 4.25 mass % or more and Less than 4.75% by mass, and C.I. Pigment Red 146 is 4.25% by mass to less than 6.75% by mass (D1-3) C.I. Pigment Yellow 185 is 4.75% by mass to less than 5.25% by mass, and C.I. Pigment Red 146 is 4.75% by mass or more And less than 7.25% by mass (D1-4) C.I. Pigment Yellow 185 is 5.25% by mass to less than 5.75% by mass, and C.I. Pigment Red 146 is 5.25% by mass to less than 7.25% by mass.

Furthermore, it is preferable that content of each coloring agent satisfies any one of following (D2-1)-(D2-4) from a viewpoint which the color reproducibility of PANTONE166C is more excellent. (D2-1) C.I. Pigment Yellow 185 is 3.75 mass % or more and less than 4.25 mass %, and C.I. Pigment Red 146 is 4.75 mass % or more and less than 5.75 mass % (D2-2) C.I. Pigment Yellow 185 is 4.25 mass % or more and Less than 4.75% by mass, and C.I. Pigment Red 146 is 4.25% by mass to less than 6.25% by mass (D2-3) C.I. Pigment Yellow 185 is 4.75% by mass to less than 5.25% by mass, and C.I. Pigment Red 146 is 4.75% by mass or more And less than 6.75% by mass (D2-4) C.I. Pigment Yellow 185 is 5.25% by mass to less than 5.75% by mass, and C.I. Pigment Red 146 is 5.75% by mass to less than 6.75% by mass.

In addition, from the viewpoint that the above-mentioned color difference ΔE with PANTONE 166C can be more easily controlled within the above-mentioned range, it is preferable to contain only either of C.I. Pigment Yellow 155 or C.I. Either Red 238 or C.I. Pigment Red 146 was used as the red colorant.

Moreover, as content of each coloring agent at this time, it is also preferable that it is the range mentioned above.

The toner particles may contain other colorants than C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, and C.I. Pigment Red 146. As another coloring agent, a pigment or a dye may be used, but a pigment is preferable from the viewpoint of light resistance or water resistance.

Examples of other colorants include white pigments such as SiO ₂ (silicon dioxide), TiO ₂ (titanium dioxide), and Al ₂ O ₃ (alumina); CI Pigment Red 122, CI Pigment Red 48:1, CI Pigment Red Red pigments and dyes such as Red 57:1, Bengal Rose Red, etc.; yellow pigments and dyes such as CI Pigment Yellow 97, CI Pigment Yellow 12, Quinoline Yellow, Chrome Yellow, etc.; green pigments and dyes such as malachite green oxalate ;CI pigment blue 15:1, CI pigment blue 15:3, aniline blue, copper oil blue, ultramarine blue, phthalocyanine blue, chlorinated methylene blue and other blue pigments and dyes; carbon black, lamp black, nigro black Such as black pigments and dyes, etc.

White pigments such as silica, titanium dioxide, and alumina may be added to toner particles for purposes other than coloring (for example, toner charge control and the like).

The total amount of the white pigment in the toner particles is preferably 20% by mass or less, more preferably 15% by mass or less, still more preferably 10% by mass or less, from the viewpoint of facilitating color reproduction of PANTONE 166C. Preferably it is 5 mass % or less, Especially preferably, it is 1 mass % or less.

From the viewpoint of making the color reproduction of PANTONE 166C easy, the content of colorants other than C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, C.I. Pigment Red 146, and white pigment in the toner particles per coloring The agent is preferably 1% by mass or less, more preferably 0.5% by mass or less, still more preferably 0.1% by mass or less, still more preferably not more than the detection limit and substantially not included, particularly preferably 0% by mass.

From the viewpoint of making the color reproduction of PANTONE 166C easy, the C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238 and C.I. The total amount is preferably 85% by mass or more, more preferably 90% by mass or more, still more preferably 95% by mass or more, still more preferably 99% by mass or more, particularly preferably 100% by mass (that is, C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238 and C.I. Pigment Red 146, and colorants other than white pigments).

From the viewpoint of easy color reproduction of PANTONE 166C, the total amount of C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, and C.I. Pigment Red 146 in the total amount of colorants in the toner particles is preferably 30% by mass or more, more preferably 40% by mass or more, still more preferably 50% by mass or more, still more preferably 60% by mass or more, still more preferably 70% by mass, still more preferably 80% by mass, still more preferably 90% by mass, particularly preferably 100% by mass (that is, no colorants other than C.I. Pigment Yellow 155, C.I. Pigment Yellow 185, C.I. Pigment Red 238, and C.I. Pigment Red 146).

-Anti-sticking agent-

The release agent is the same as that described in the first embodiment.

-Inorganic oxide particles-

The toner particles may contain inorganic oxide particles, the contents of which are the same as those described in the first embodiment.

-Other additives-

Other additives are the same as those described in the first embodiment.

-Characteristics of Toner Particles-

The characteristics of the toner particles are the same as those described in the first embodiment.

[External Additives]

The external additives are the same as those described in the first embodiment.

[manufacturing method of toner]

The method of the toner according to the sixth embodiment is the same as that described in the "Method for Producing Toner" of the toner according to the first embodiment.

＜Electrostatic Image Developer＞

The electrostatic image developer of this embodiment contains at least the toner according to any one of the first to sixth embodiments.

The electrostatic image developer of this embodiment may be a one-component developer containing only the toner according to any one of the first to sixth embodiments, or may be a two-component developer obtained by mixing the toner with a carrier. Separate developer.

The carrier is not particularly limited, and known carriers are exemplified. Examples of the carrier include: a coated carrier in which a resin is coated on the surface of a core material formed of magnetic powder; a magnetic powder-dispersed carrier in which a magnetic powder is dispersed and mixed in a matrix resin; a resin-impregnated carrier in which a porous magnetic powder is impregnated. A resin-impregnated carrier; a conductive particle-dispersed carrier in which conductive particles are dispersed in a matrix resin; and the like.

The magnetic powder-dispersed carrier, the resin-impregnated carrier, and the conductive particle-dispersed carrier may be carriers whose constituent particles are core materials and whose surfaces are coated with a resin.

Examples of the magnetic powder include magnetic metals such as iron, nickel, and cobalt; magnetic oxides such as ferrite and magnetite; and the like.

Examples of the conductive particles include metals such as gold, silver, and copper; particles such as carbon black, titanium oxide, zinc oxide, tin oxide, barium sulfate, aluminum borate, and potassium titanate; and the like.

Examples of coating resins and matrix resins include polyethylene, polypropylene, polystyrene, polyvinyl acetate, polyvinyl alcohol, polyvinyl butyral, polyvinyl chloride, polyvinyl ether, polyvinyl Ketones, vinyl chloride-vinyl acetate copolymers, styrene-acrylic acid copolymers, linear silicone resins containing organosiloxane bonds or modified products thereof, fluororesins, polyesters, polycarbonates, phenolic resins , epoxy resin, etc. Additives such as conductive materials may be contained in the coating resin and matrix resin.

When coating the surface of the core material with a resin, a method of coating with a coating layer forming solution in which a coating resin and various additives (used as necessary) are dissolved in an appropriate formed in a solvent. The solvent is not particularly limited, and can be selected according to the type of resin to be used, coating suitability, and the like.

Specific resin coating methods include: a dipping method in which a core material is immersed in a solution for forming a coating layer; a spraying method in which a solution for forming a coating layer is sprayed onto the surface of a core material; The fluidized bed method of spraying the solution for forming the coating layer in the state; the kneader coating method of mixing the core material of the carrier with the solution for forming the coating layer in a kneader coater, and then removing the solvent; and the like.

The mixing ratio (mass ratio) of the toner to the carrier in the two-component developer is preferably toner:carrier=1:100 to 30:100, more preferably 3:100 to 20:100.

<Imaging device/imaging method>

The imaging apparatus and imaging method of this embodiment will be described below.

The image forming apparatus of the present embodiment has: an image holding member; a charging member that charges the surface of the image holding member; an electrostatic image forming member that forms an electrostatic image on the surface of the charged image holding member; a developing member that accommodates the electrostatic image developing agent, and developing the electrostatic image formed on the surface of the image holding member into a toner image by the electrostatic image developing agent; transferring the toner image formed on the surface of the image holding member to the surface of the recording medium a transfer member on the surface of the recording medium; and a fixing member that fixes the toner image transferred onto the surface of the recording medium. In addition, as the electrostatic image developer, the electrostatic image developer described in this embodiment was used.

In the image forming apparatus according to the present embodiment, an image forming method (image forming method of the present embodiment) including the steps of: a charging step of charging the surface of the image holding member; An electrostatic image forming step of forming an electrostatic image; a developing step of developing an electrostatic image formed on the surface of an image holding member into a toner image using the electrostatic image developer of this embodiment; converting the toner image formed on the surface of the image holding member a transfer step of transferring the toner image onto the surface of the recording medium; and a fixing step of fixing the toner image transferred onto the surface of the recording medium.

The image forming apparatus of the present embodiment employs the following known image forming apparatuses: a direct transfer type apparatus that directly transfers a toner image formed on the surface of an image holding member to a recording medium; an intermediate transfer type apparatus. An apparatus that primarily transfers the toner image formed on the surface of the image holding member to the surface of the intermediate transfer member, and secondarily transfers the toner image transferred on the surface of the intermediate transfer member to on the surface of the recording medium; a device having a cleaning member that cleans the surface of the image holding member before charging after the transfer of the toner image; a device having a static removing member that cleans the surface of the image holding member after the transfer of the toner image The charge removing member irradiates the charge removing light onto the surface of the image holding member to remove charge before charging; and the like.

In the case of the device of the intermediate transfer method, the transfer member, for example, adopts a structure having: an intermediate transfer member on which a toner image is transferred on the surface; a primary transfer member that primarily transfers the toner image onto the surface of the intermediate transfer member; and a secondary transfer member that secondarily transfers the toner image that has been transferred onto the surface of the intermediate transfer member onto the surface of the recording medium. Secondary transfer unit.

In the image forming apparatus of the present embodiment, for example, a portion including a developing member may be a cartridge structure (process cartridge) detachable from the image forming apparatus. As the process cartridge, for example, a process cartridge containing the electrostatic image developer described in this embodiment and having a developing member is preferably used.

An example of the imaging device according to the present embodiment will be described below, but is not limited thereto. It should be noted that the main parts shown in the figure will be described, and the description of other parts will be omitted.

FIG. 1 is a schematic configuration diagram showing an image forming apparatus of the present embodiment, which is a diagram showing an image forming apparatus of a 5-series system with an intermediate transfer system.

The imaging device shown in FIG. 1 has first to fifth imaging units 10R, 10Y, 10M, 10C, and 10K (imaging components) of the electrophotographic method, which output red (R), yellow (Y), magenta (M), cyan (C) and black (K) images. These imaging units (hereinafter sometimes simply referred to as “units”) 10R, 10Y, 10M, 10C, and 10K are arranged side by side at intervals of a predetermined distance from each other in the horizontal direction. These units 10R, 10Y, 10M, 10C and 10K may be process cartridges detachable from the image forming apparatus.

Below each of the units 10R, 10Y, 10M, 10C, and 10K, an intermediate transfer belt (an example of an intermediate transfer member) 20 is extended to pass through each unit. The intermediate transfer belt 20 is wound around the driving roller 22, the backup roller 23, and the opposing roller 24 that are in contact with the inner surface of the intermediate transfer belt 20, and runs in a direction from the first unit 10R toward the fifth unit 10K. . On the side of the image holding surface of the intermediate transfer belt 20 , an intermediate transfer member cleaning device 21 is arranged opposite to the drive roller 22 .

The respective toners of red, yellow, magenta, cyan, and black contained in the toner cartridges 8R, 8Y, 8M, 8C, and 8K are supplied to the developing devices ( An example of a developing unit) 4R, 4Y, 4M, 4C, and 4K.

Since the first to fifth units 10R, 10Y, 10M, 10C, and 10K have the same configuration, operation, and role, here, the unit for forming a red image that is arranged on the upstream side in the running direction of the intermediate transfer belt is used. The first unit 10R is representatively described.

The first unit 10R has a photoreceptor 1R functioning as an image holding member. Around the photoreceptor 1R are provided in this order: a charging roller (an example of a charging member) 2R that charges the surface of the photoreceptor 1R to a predetermined potential; an exposure device (an example of an electrostatic image forming member) 3R based on A colored image signal, the charged surface is exposed by a laser beam, thereby forming an electrostatic image; a developing device (an example of a developing member) 4R, which supplies toner onto the electrostatic image to develop the electrostatic image; primary transfer a roller (an example of a primary transfer member) 5R that transfers the developed toner image onto the intermediate transfer belt 20; and a photoreceptor cleaning device (an example of a cleaning member) 6R that removes the Finally, the toner remaining on the surface of the photoreceptor 1R is removed.

The primary transfer roller 5R is provided on the inner side of the intermediate transfer belt 20 at a position opposed to the photoreceptor 1R. Bias power sources (not shown) for applying a primary transfer bias voltage are connected to the primary transfer rollers 5R, 5Y, 5M, 5C, and 5K of the respective units, respectively. Each bias power source changes the value of the transfer bias voltage applied to each primary transfer roller by the control of an unillustrated control section.

The operation of forming a red image in the first unit 10R will be described below.

First, the surface of the photoreceptor 1R is charged to a potential of -600V to -800V by the charging roller 2R before starting the operation.

The photoreceptor 1R is formed by laminating a photosensitive layer on a conductive (for example, volume resistivity at 20° C. of 1×10 ⁻⁶ Ωcm or less) substrate. This photosensitive layer is generally high resistance (resistance of ordinary resin), but has such a property that when a laser beam is irradiated, the specific resistance of the portion irradiated with the laser beam changes. Therefore, the surface of the charged photoreceptor 1R is irradiated with a laser beam from the exposure device 3R based on image data for red transmitted from a control unit not shown in the figure. Thus, an electrostatic image of a red image pattern is formed on the surface of the photoreceptor 1R.

The electrostatic image is an image formed on the surface of the photoreceptor 1R by charging, which is a so-called negative latent image formed by reducing the specific resistance of the irradiated portion of the photosensitive layer by the laser beam from the exposure device 3R, and photosensitive The charged charges on the surface of the body 1R flow, and on the other hand, the charges of the portion not irradiated with the laser beam remain.

As the photoreceptor 1R runs, the electrostatic image formed on the photoreceptor 1R is rotated to a predetermined developing position. Then, at this developing position, by the developing device 4R, the electrostatic image on the photoreceptor 1R is developed into a toner image to be visualized.

In the developing device 4R, for example, an electrostatic image developer containing at least a red toner and a carrier is accommodated. The red toner is triboelectrically charged by agitating inside the developing device 4R, and has the same polarity (negative polarity) as the charge on the photoreceptor 1R, so that the red toner is kept under development. on the developer roller (an example of a developer holding member). Then, by passing the surface of the photoreceptor 1R through the developing device 4R, the red toner is electrostatically attached to the decharged latent image portion on the surface of the photoreceptor 1R, so that the latent image is developed by the red toner. The photoreceptor 1R formed with the red toner image continues to run at a predetermined speed, and the toner image developed on the photoreceptor 1R is conveyed to a predetermined primary transfer position.

When the red toner image on the photoreceptor 1R is conveyed to the primary transfer position, the primary transfer bias is applied to the primary transfer roller 5R, and the electrostatic force from the photoreceptor 1R toward the primary transfer roller 5R acts on the toner. The toner image, and thus the toner image on the photoreceptor 1R is transferred onto the intermediate transfer belt 20 . The transfer bias applied at this time is of (+) polarity opposite to the toner polarity (-), and is controlled to be, for example, + by a control section (not shown) in the first unit 10R. 10μA.

On the other hand, the toner remaining on the photoreceptor 1R is removed and recovered by the photoreceptor cleaning device 6R.

The primary transfer biases applied to the primary transfer rollers 5Y, 5M, 5C, and 5K after the second unit 10Y are controlled similarly to the first unit.

In this way, the intermediate transfer belt 20 on which the red toner image is transferred by the first unit 10R is conveyed sequentially through the second to fifth units 10Y, 10M, 10C, and 10K, whereby the toner images of the respective colors are superimposed so that more secondary transfer.

The intermediate transfer belt 20 on which the 5-color toner images have been transferred multiple times by the first to fifth units reaches the secondary transfer section, which is composed of the intermediate transfer belt 20 and the intermediate transfer belt. A counter roller 24 in surface contact and a secondary transfer roller (an example of a secondary transfer member) 26 arranged on the image holding surface side of the intermediate transfer belt 20 constitute. On the other hand, recording paper (an example of a recording medium) P is fed into the gap where the secondary transfer roller 26 is in contact with the intermediate transfer belt 20 at a predetermined time by the feeding mechanism, and the secondary transfer bias Pressure is applied to the counter roller 24 . The transfer bias applied at this time has the same (-) polarity as the polarity (-) of the toner, whereby the electrostatic force from the intermediate transfer belt 20 toward the recording paper P acts on the toner image. , so that the toner image on the intermediate transfer belt 20 is transferred onto the recording paper P. It should be noted that the secondary transfer bias voltage at this time is determined based on the resistance detected by a resistance detection member (not shown) for detecting the resistance of the secondary transfer portion, and the voltage is controlled.

After that, the recording paper P is fed to a nip portion (nip portion) between a pair of fixing rollers in a fixing device (an example of a fixing member) 28, the toner image is fixed onto the recording paper P, Thus, a fixed image is formed.

As the recording paper P for transferring the toner image, for example, plain paper used in electrophotographic copiers, printers, and the like can be cited. As the recording medium, in addition to the recording paper P, OHP paper and the like can be cited.

In order to further improve the smoothness of the image surface after fixing, the surface of the recording paper P is preferably smooth, for example, coated paper obtained by coating the surface of plain paper with resin or the like, art paper for printing, etc. are suitably used.

The recording paper P on which the color image has been fixed is transported to the discharge unit, thereby completing a series of color image forming operations.

<Process Cartridge/Toner Cartridge>

The process cartridge of this embodiment will be described.

The process cartridge of the present embodiment has a developing member that accommodates the electrostatic image developer described in the present embodiment, and develops the electrostatic image formed on the surface of the image holding member into toner with the electrostatic image developer image, the process cartridge is detachable from the imaging unit.

It should be noted that the process cartridge of the present embodiment is not limited to the above configuration, and it may also be a configuration having a developing device and other components selected from, for example, an image holding member, a charging member, an electrostatic image forming member as required and at least one of other parts such as transfer parts.

An example of the process cartridge of the present embodiment is shown below, however, it is not limited thereto. It should be noted that the main parts shown in the figure will be described, and the description of other parts will be omitted.

Fig. 2 is a schematic structural view showing the process cartridge of the present embodiment.

The process cartridge 200 shown in FIG. 2 is integrally combined and retained by, for example, a housing 117 provided with mounting rails 116 and an opening 118 for exposure: a photoreceptor 107 (an example of an image holding member), The charging roller 108 (an example of a charging member), the developing device 111 (an example of a developing member), and the photoreceptor cleaning device 113 (an example of a cleaning member) around 107 are formed in a box shape.

It should be noted that, in FIG. 2 , 109 denotes an exposure device (an example of an electrostatic image forming member), 112 denotes a transfer device (an example of a transfer member), 115 denotes a fixing device (an example of a fixing member), 300 denotes recording paper (an example of a recording medium).

Next, the toner cartridge of the present embodiment will be described.

The toner cartridge of the present embodiment is a toner cartridge containing the toner of the present embodiment and detachable from the image forming apparatus. The toner cartridge contains replenishment toner for supply to a developing unit installed in the image forming apparatus.

The image forming apparatus shown in FIG. 1 is an image forming apparatus having a structure in which toner cartridges 8R, 8Y, 8M, 8C, and 8K can be detached therefrom, and developing devices 4R, 4Y, 4M, 4C, and 4K are not shown in the figure. The toner supply tubes that go out are connected to the corresponding toner cartridges of each color. In addition, when the toner contained in the toner cartridge becomes low, the toner cartridge can be replaced.

【Example】

Hereinafter, the present invention will be described more specifically by way of examples, however, the present invention is not limited to the following examples within the range not exceeding the gist of the present invention.

[Example Aa, Ba, Ca, Da, Comparative Example Aa, Ba, Ca, Da]

Below, unless otherwise stated, "parts" are based on mass.

In addition, hereinafter, C.I. Pigment Yellow 74 is referred to as "PY74", C.I. Pigment Red 48:1 is referred to as "PR48:1", C.I. Pigment Red 48:3 is referred to as "PR48:3", and C.I. Pigment Red 57 :1 is called "PR57:1", and C.I. Pigment Red 184 is called "PR184".

＜Measuring methods of physical properties＞

[Weight average molecular weight of resin]

The weight-average molecular weight of the resin was calculated from the results of molecular weight measurement by gel permeation chromatography (GPC) using the following measuring device, and a molecular weight calibration curve of monodisperse polystyrene standard samples.

· Measuring device: HLC-8120 (manufactured by Tosoh Corporation)

・Pillar: TSKgel SuperHM-M (manufactured by Tosoh Corporation)

·Eluent: tetrahydrofuran

[acid value of resin]

The acid value of resin was measured by the neutralization titration method according to JISK0070-1992.

[Glass transition temperature of resin]

The glass transition temperature of the resin is obtained from a DSC curve obtained by differential scanning calorimetry (DSC) in accordance with the aforementioned JIS K7121-1987 "Measurement method for transition temperature of plastics".

[Volume Average Particle Diameter of Resin Particles and Toner Particles]

The measurement method of the volume average particle diameter of resin particles and toner particles is as follows.

- When the particle size is 2 μm or more -

・Sample for measurement: 0.5 mg to 50 mg of particles are added to 2 mL of a 5% by mass aqueous solution of sodium dodecylbenzenesulfonate (surfactant), and the resultant is added to an electrolyte solution of 100 ml to 150 ml (Beckman Coulter Co. In ISOTON-II), it is prepared by dispersing in an ultrasonic disperser for 1 minute.

• Measuring device: Coulter Multisizer Type II (manufactured by Beckman Coulter Co.), with an aperture of 100 μm.

Using the above-mentioned measurement sample and measuring device, 50,000 particles of 2 μm to 60 μm were measured, and the volume average particle size distribution was obtained from the particle size distribution.

For the particle size range (channel) divided based on the particle size distribution, the volume cumulative distribution is drawn starting from the small diameter side, and the particle diameter at which the cumulative percentage is 50% is taken as the volume average particle diameter.

-When the particle size is less than 2μm-

• Sample for measurement: Ion-exchanged water was added to the particle dispersion to adjust the solid content to about 10% by mass.

・Measuring device: laser diffraction particle size distribution measuring device (LS13320 manufactured by Beckman Coulter Co., Ltd.)

The above-mentioned measurement sample is put into the sample cell until the concentration is appropriate, and the measurement is performed when the scattering intensity reaches a value sufficient for measurement. For the particle size range (channel) divided based on the obtained particle size distribution, the volume cumulative distribution is plotted from the small diameter side, and the particle diameter at which the cumulative percentage is 50% is taken as the volume average particle diameter.

＜Preparation of resin particle dispersion＞

[Preparation of Resin Particle Dispersion (1)]

· Terephthalic acid: 30 parts by mole

Fumaric acid: 70 parts by mole

Bisphenol A ethylene oxide adduct: 5 parts by mole

Bisphenol A propylene oxide adduct: 95 parts by mole

Into a 5-liter flask with a stirring device, a nitrogen gas introduction pipe, a temperature sensor, and a rectification tower, the above-mentioned materials were charged, and the temperature was raised to 220° C. in 1 hour, and 1 part of the above-mentioned materials was added to 100 parts of Titanium ethoxide. While distilling off generated water, the temperature was raised to 230° C. over 0.5 hour, and after continuing the dehydration condensation reaction at this temperature for 1 hour, the reactant was cooled. Thus, a polyester resin (1) having a weight average molecular weight of 18,000, an acid value of 15 mgKOH/g, and a glass transition temperature of 60° C. was synthesized.

Add 40 parts of ethyl acetate and 25 parts of 2-butanol to a container equipped with a temperature regulating device and a nitrogen replacement device to form a mixed solvent, slowly add 100 parts of polyester resin (1) to dissolve it, and add A 10% by mass ammonia solution (3 molar equivalents to the acid value of the resin) was added, followed by stirring for 30 minutes.

Then, the inside of the container was replaced with dry nitrogen, and while the temperature was maintained at 40° C., 400 parts of ion-exchanged water was added dropwise at a rate of 2 parts/minute to emulsify the mixed solution. After the dropwise addition, the emulsion was returned to room temperature (20°C to 25°C), and ethyl acetate and 2-butanol were reduced to less than 1,000ppm by bubbling dry nitrogen with stirring for 48 hours to obtain a volume-average A resin particle dispersion liquid of resin particles having a particle diameter of 200 nm. Ion-exchanged water was added to this resin particle dispersion to adjust the solid content to 20% by mass to obtain a resin particle dispersion (1).

[Preparation of resin particle dispersion (2)]

·Styrene: 310 parts

·N-butyl acrylate: 100 parts

β-carboxyethyl acrylate: 9 parts

· 1,10-decanediol diacrylate: 1.5 parts

Dodecanethiol: 3 parts

A solution obtained by dissolving 4 parts of an anionic surfactant (Dow Fax manufactured by Dow Chemical Co., Ltd.) in 550 parts of ion-exchanged water was placed in the flask, and a mixed solution obtained by mixing the above-mentioned raw materials was added thereto for emulsification. While slowly stirring the emulsion for 10 minutes, 50 parts of ion-exchanged water in which 6 parts of ammonium persulfate was dissolved was added. Then, after nitrogen substitution in the system was sufficiently performed, the flask was heated in an oil bath until the inside of the system reached 75° C. while stirring the flask, and emulsion polymerization was continued for 4 hours in this state. Thus, a resin particle dispersion in which resin particles having a weight average molecular weight of 33,000, a glass transition temperature of 53° C., and a volume average particle diameter of 250 nm were dispersed was obtained. Ion-exchanged water was added to this resin particle dispersion to adjust the solid content to 20% by mass to obtain a resin particle dispersion (2).

＜Preparation of colorant dispersion＞

[Preparation of Colorant Dispersion Liquid (Y1)]

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 70 parts

・Anionic surfactant (Neogen RK manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 1 part

·Ion-exchanged water: 200 parts

The above-mentioned materials were mixed and dispersed for 10 minutes with a homogenizer (Ultra Turrax T50 manufactured by IKA Corporation). Ion-exchanged water was added so that the solid content in the dispersion liquid became 20% by mass, and a colorant dispersion liquid (Y1) in which colorant particles having a volume average particle diameter of 190 nm were dispersed was obtained.

[Preparation of Colorant Dispersion Liquid (R1)]

・PR48:1 (manufactured by DIC Corporation, trade name: SymulerRed3109): 70 parts

・Anionic surfactant (Neogen RK manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 1 part

·Ion-exchanged water: 200 parts

The above-mentioned materials were mixed and dispersed for 10 minutes with a homogenizer (Ultra Turrax T50 manufactured by IKA Corporation). Ion-exchanged water was added so that the solid content in the dispersion liquid became 20% by mass, and a colorant dispersion liquid (R1) in which colorant particles having a volume average particle diameter of 190 nm were dispersed was obtained.

[Preparation of Colorant Dispersion (R2)]

・PR48:3 (manufactured by Fuji Color Co., Ltd., trade name: FujiRed5R763): 70 parts

・Anionic surfactant (Neogen RK manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 1 part

·Ion-exchanged water: 200 parts

The above-mentioned materials were mixed and dispersed for 10 minutes with a homogenizer (Ultra Turrax T50 manufactured by IKA Corporation). Ion-exchanged water was added so that the solid content in the dispersion liquid became 20% by mass, and a colorant dispersion liquid (R2) in which colorant particles having a volume average particle diameter of 190 nm were dispersed was obtained.

[Preparation of Colorant Dispersion (R3)]

・PR57:1 (manufactured by Fuji Color Co., Ltd., trade name: FujiCarmine6BNo.50): 70 parts

・Anionic surfactant (Neogen RK manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 1 part

·Ion-exchanged water: 200 parts

The above-mentioned materials were mixed and dispersed for 10 minutes with a homogenizer (Ultra Turrax T50 manufactured by IKA Corporation). Ion-exchanged water was added so that the solid content in the dispersion liquid became 20% by mass, and a colorant dispersion liquid (R3) in which colorant particles having a volume average particle diameter of 190 nm were dispersed was obtained.

[Preparation of Colorant Dispersion (R4)]

・PR184 (manufactured by Clariant, trade name: Toner Magenta F8B): 70 parts

・Anionic surfactant (Neogen RK manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 1 part

·Ion-exchanged water: 200 parts

The above-mentioned materials were mixed and dispersed for 10 minutes with a homogenizer (Ultra Turrax T50 manufactured by IKA Corporation). Ion-exchanged water was added so that the solid content in the dispersion became 20% by mass, and a colorant dispersion (R4) in which colorant particles having a volume average particle diameter of 190 nm were dispersed was obtained.

[Preparation of Colorant Dispersion (Other 1)]

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Kogyo Co., Ltd.): 70 parts

・Anionic surfactant (Neogen RK manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 1 part

·Ion-exchanged water: 200 parts

The above-mentioned materials were mixed and dispersed for 10 minutes with a homogenizer (Ultra Turrax T50 manufactured by IKA Corporation). Ion-exchanged water was added so that the solid content in the dispersion became 20% by mass, and a colorant dispersion (other 1) in which colorant particles having a volume average particle diameter of 190 nm were dispersed was obtained.

＜Preparation of release agent dispersion＞

[Preparation of Release Agent Dispersion (1)]

・Paraffin wax (Nippon Seisaku Co., Ltd. HNP-9) 100 parts

・Anionic surfactant (Neogen RK, manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.) 1 part

·350 parts of ion-exchanged water

The above materials were mixed and heated to 100° C., dispersed with a homogenizer (Ultra Turrax T50 manufactured by IKA Corporation), and dispersed with a Menton-Gaulin high-pressure homogenizer (manufactured by Gaulin Corporation) to obtain a dispersed volume-average particle diameter of 200 nm. Release agent dispersion (1) of release agent particles (solid content: 20% by mass).

<<Example Aa, Comparative Example Aa>>

<Example Aa1>

[Preparation of Toner Particles]

·Resin particle dispersion (1): 425 parts

Colorant dispersion (Y1) (including PY74): 5 parts

Colorant dispersion (R1) (including PR48:1): 20 parts

· Anti-sticking agent dispersion (1): 50 parts

Anionic surfactant (TaycaPower): 2 parts

The above-mentioned materials were put into a circular stainless steel flask, and after adding 0.1N nitric acid to adjust the pH to 3.5, 30 parts of an aqueous solution of nitric acid having a polyaluminum chloride concentration of 10% by mass was added. Then, after disperse|distributing at 30 degreeC with the homogenizer (Ultra Turrax T50 by IKA company), it heated to 45 degreeC in the oil bath for heating, and held it for 30 minutes. Then, 100 parts of resin particle dispersion (1) was added slowly and kept for 1 hour, and after adding 0.1 N aqueous sodium hydroxide solution to adjust the pH to 8.5, it was heated to 85° C. while continuing to stir, and kept for 5 hours. Then, it was cooled to 20° C. at a rate of 20° C./minute, filtered, sufficiently washed with ion-exchanged water, and dried to obtain toner particles (Aa1) having a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

100 parts of toner particles (Aa1) and 0.7 parts of simethicone-treated silica particles (RY200 manufactured by Nippon Aerosil Co., Ltd.) were mixed with a Henschel mixer to obtain toner (Aa1).

[Preparation of developer]

Disperse the above-mentioned components except ferrite particles with a sand mill to prepare a dispersion liquid, put the dispersion liquid together with ferrite particles into a vacuum degassing kneader, and dry under reduced pressure while stirring. This gets the carrier.

5 parts of the toner (Aa1) were mixed with 100 parts of the above carrier to obtain a developer (Aa1).

[Evaluation of color reproducibility]

The following operations, imaging, and measurement were all performed in an environment of temperature 25° C./humidity 60%.

As an image forming apparatus for forming an image for evaluation, DocuCentre Color 400CP manufactured by Fuji Xerox Co., Ltd. was prepared, the developer (Aa1) was put in the developer, and the toner (Aa1) was put in the toner cartridge.

Then, a monochromatic 100% density image (size 5 cm×5 cm, amount of toner 4.3 g/m ² ) was formed on a coated paper having a glossiness of 40% (OS Coated Paper W manufactured by Fuji Xerox Co., Ltd.).

The L ^* value, a ^* value, and b ^* value in the CIE1976L ^* a ^* b ^* colorimetric system of the formed image were randomly measured at 10 points using X-Rite939 (aperture 4mm) manufactured by X-Rite Co., Ltd., and the L ^* value was calculated. , the average value of a ^* value and b ^* value.

For PANTONE7597C (coated paper) of a commercially available color sample (PANTONE FORMULA GUIDE Solid Coated manufactured by PANTONE Corporation), the L ^* value, a ^* value, and b ^* value were also measured in the same manner as above, and the respective average values were calculated. As a result, L ₁ =50.81, a ₁ =57.08, b ₁ =49.78.

Then, based on the following formula, the color difference ΔE between the formed image and PANTONE7597C was calculated. The results are shown in Table 2.

【Number 3】

L ₁ , a ₁ , and b ₁ are the L ^* value, a ^* value _, and b ^* value of PANTONE7597C, and L ₂ , a2, and _b2 are the L ^* value, a ^* value, and b ^* value of the images of the examples and comparative examples value.

<Examples Aa2 to Aa11 and Comparative Examples Aa1 to Aa31>

[Preparation of toner and developer]

In the same manner as in Example Aa1, however, the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the respective contents of PY74 and PR48:1 were as described in Table 1, to obtain toner particles, and further prepared Toner and developer. Regarding the obtained toner and developer, the same evaluation as the evaluation of color reproducibility in Example Aa1 was performed. The results are shown in Table 2.

【Table 1】

(Examples 1, 2... in Table 1 represent Examples Aa1, Aa2.... The same applies to Comparative Examples.)

【Table 2】

In Examples Aa1 to Aa11, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 7597C was obtained.

In addition, in Examples Aa4 to Aa9, and Aa11, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 7597C was obtained.

<Example Aa101>

[Preparation of Toner Particles]

· Resin particle dispersion (2): 422.5 parts

Colorant dispersion (Y1) (including PY74): 10 parts

Colorant dispersion (R1) (including PR48:1): 17.5 parts

· Anti-sticking agent dispersion (1): 50 parts

The above-mentioned materials were put into a round stainless steel flask, and mixed and dispersed with a homogenizer (Ultra Turrax T50 manufactured by IKA Corporation). Then, add 0.5 parts of polyaluminum chloride, and continue the dispersion operation with a homogenizer. Then, it heated to 50 degreeC, stirring in the oil bath for heating, and maintained at 50 degreeC for 60 minutes. Subsequently, after adjusting the pH value in the system to 5.5 with 0.5N aqueous sodium hydroxide solution, the flask was sealed, and heated to 95°C while continuing to stir with magnetic sealing, and kept for 5 hours. After completion of the reaction, cool, filter, and fully wash with ion-exchanged water, then perform solid-liquid separation by Nutsche suction filtration. The resultant was further dispersed in 3 L of ion-exchanged water at 40°C, and stirred at 300 rpm for 15 minutes for washing. Repeat 5 times, when the pH value of the filtrate is 6.6 and the conductivity is 12 μS/cm, the solid-liquid separation is carried out by Nutsche suction filtration with No 5A filter paper. Vacuum drying was then continued for 12 hours. Thus, toner particles (Aa101) having a volume average particle diameter of 7.5 μm were obtained.

[Preparation of externally added toner]

A toner (Aa101) was obtained in the same manner as the preparation of the toner (Aa1), except that the toner particles (Aa1) were replaced with toner particles (Aa101).

[Preparation of developer]

A developer (Aa101) was obtained in the same manner as the preparation of the developer (Aa1), except that the toner (Aa1) was replaced with the toner (Aa101).

[Evaluation of color reproducibility]

The same evaluation as the evaluation of the color reproducibility in Example Aa1 was performed using the toner (Aa101) and the developer (Aa101) instead of the toner (Aa1) and the developer (Aa1). The results are shown in Table 3.

<Example Aa102>

[Preparation of Toner Particles]

・Polyester resin (1): 84.5 parts

・PY74 (manufactured by Clariant, brand name: HansaYellow5GX01): 2 parts

・PR48:1 (manufactured by DIC Corporation, trade name: SymulerRed3109): 3.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then fine and coarse particles were classified by an air classifier to obtain toner particles (Aa102) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Aa102) was obtained in the same manner as in the preparation of toner (Aa1), except that toner particles (Aa102) were used instead of toner particles (Aa1).

[Preparation of developer]

A developer (A102) was obtained in the same manner as the preparation of the developer (Aa1), except that the toner (Aa1) was replaced with the toner (Aa102).

[Evaluation of color reproducibility]

The same evaluation as the evaluation of the color reproducibility in Example Aa1 was performed using the toner (Aa102) and the developer (Aa102) instead of the toner (Aa1) and the developer (Aa1). The results are shown in Table 3.

<Example Aa103>

[Preparation of Toner Particles]

-Pigment dispersion (A)-

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 20 parts

· Ethyl acetate: 80 parts

The above materials were dispersed with a sand mill to prepare a pigment dispersion (A).

-Pigment dispersion (B)-

・PR48:1 (manufactured by DIC Corporation, trade name: SymulerRed3109): 20 parts

· Ethyl acetate: 80 parts

The above-mentioned materials were dispersed with a sand mill to prepare a pigment dispersion (B).

- Release agent dispersion (A) -

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 20 parts

· Ethyl acetate: 80 parts

The above materials were dispersed with a DCP mill in a state cooled to 10° C. to prepare a release agent dispersion (A).

-C liquid-

・Polyester resin (1): 84.5 parts

·Pigment dispersion (A) (including PY74): 10 parts

·Pigment dispersion (B) (containing PR48:1): 17.5 parts

· Release agent dispersion (A): 50 parts · Ethyl acetate: 325.6 parts

Mix and stir the above materials to make liquid C.

-D liquid-

Calcium carbonate dispersion (calcium carbonate: water = 40 parts: 60 parts): 124 parts

2% by mass aqueous solution of Cellogen BS-H (manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 99 parts

·Water: 277 parts

Mix and stir the above materials to make liquid D.

500 parts of liquid C and 500 parts of liquid D were mixed and stirred to obtain a suspension, which was stirred with a propeller stirrer for 48 hours to remove the solvent. Then, hydrochloric acid was added to remove calcium carbonate, washed with water, dried, and classified to obtain toner particles (Aa103) having a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Aa103) was obtained in the same manner as in the preparation of toner (Aa1), except that toner particles (Aa103) were used instead of toner particles (Aa1).

[Preparation of developer]

A developer (Aa103) was obtained in the same manner as the preparation of the developer (Aa1), except that the toner (Aa103) was used instead of the toner (Aa1).

[Evaluation of color reproducibility]

Using the toner (Aa103) and the developer (Aa103) instead of the toner (Aa1) and the developer (Aa1), the same evaluation as the evaluation of the color reproducibility in Example Aa1 was performed. The results are shown in Table 3.

<Example Aa104>

[Preparation of Toner Particles]

In the same manner as in Example Aa1, the colorant dispersion (Other 1) was also used, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment became as described in Table 3, Toner particles (Aa104) were obtained.

[Preparation of externally added toner]

Toner (Aa104) was obtained in the same manner as in the preparation of toner (Aa1), except that toner particles (Aa104) were used instead of toner particles (Aa1).

[Preparation of developer]

A developer (Aa104) was obtained in the same manner as the preparation of the developer (Aa1), except that the toner (Aa1) was replaced with the toner (Aa104).

[Evaluation of color reproducibility]

The same evaluation as the evaluation of the color reproducibility in Example Aa1 was performed using the toner (Aa104) and the developer (Aa104) instead of the toner (Aa1) and the developer (Aa1). The results are shown in Table 3.

<Example Aa105>

[Preparation of Toner Particles]

・Polyester resin (1): 64.5 parts

・PY74 (manufactured by Clariant, brand name: HansaYellow5GX01): 2 parts

・PR48:1 (manufactured by DIC Corporation, trade name: SymulerRed3109): 3.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then fine and coarse particles were classified by an air classifier to obtain toner particles (Aa105) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Aa105) was obtained in the same manner as in the preparation of toner (Aa1), except that toner particles (Aa105) were used instead of toner particles (Aa1).

[Preparation of developer]

A developer (Aa105) was obtained in the same manner as in the preparation of the developer (Aa1), except that the toner (Aa105) was used instead of the toner (Aa1).

[Evaluation of color reproducibility]

The same evaluation as the evaluation of the color reproducibility in Example Aa1 was performed using the toner (Aa105) and the developer (Aa105) instead of the toner (Aa1) and the developer (Aa1). The results are shown in Table 3.

<Example Aa106>

[Preparation of Toner Particles]

・Polyester resin (1): 63.5 parts

・PY74 (manufactured by Clariant, brand name: HansaYellow5GX01): 2 parts

・PR48:1 (manufactured by DIC Corporation, trade name: SymulerRed3109): 3.5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

Toner particles (Aa106) having a volume average particle diameter of 7.5 μm were obtained in the same manner as the toner particles (Aa102) except for using the above materials.

[Preparation of externally added toner]

Toner (Aa106) was obtained in the same manner as in the preparation of toner (Aa1), except that toner particles (Aa106) were used instead of toner particles (Aa1).

[Preparation of developer]

A developer (Aa106) was obtained in the same manner as the preparation of the developer (Aa1), except that the toner (Aa1) was replaced with the toner (Aa106).

[Evaluation of color reproducibility]

The same evaluation as the evaluation of the color reproducibility in Example Aa1 was performed using the toner (Aa106) and the developer (Aa106) instead of the toner (Aa1) and the developer (Aa1). The results are shown in Table 3.

【table 3】

(Examples 8, 101, 102...in Table 3 represent Examples Aa8, Aa101, Aa102....)

<<Example Ba, Comparative Example Ba>>

<Examples Ba1 to Ba8 and Comparative Examples Ba1 to Ba27>

[Preparation of toner and developer]

Operated in the same manner as in Example Aa1, however, the red colorant PR48:1 was changed to PR48:3, and the resin particle dispersion and the colorant were adjusted so that the respective contents of PY74 and PR48:3 became as described in Table 4 Each amount of the dispersion liquid was obtained to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 5.

【Table 4】

(Examples 1, 2... in Table 4 represent Examples Ba1, Ba2.... The same applies to Comparative Examples.)

【table 5】

In Examples Ba1 to Ba8, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 7597C was obtained.

In addition, in Examples Ba1 to Ba2 and Ba4 to Ba6, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 7597C was obtained.

<Example Ba101>

In the same manner as in Example Aa101, except that the red colorant PR48:1 was changed to PR48:3, and the composition of the toner particles was adjusted as follows, to obtain toner particles, and further prepare toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 6.

· Resin particle dispersion (2): 417.5 parts

Colorant dispersion (Y1) (including PY74): 15 parts

Colorant dispersion (R2) (including PR48:3): 17.5 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Ba102>

In the same manner as in Example Aa102, except that the red colorant PR48:1 was changed to PR48:3, and the composition of the toner particles was adjusted as follows, to obtain toner particles, and further prepare toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 6.

・Polyester resin (1): 83.5 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR48:3 (manufactured by Fuji Color Co., Ltd., trade name: FujiRed5R763): 3.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Ba103>

In the same manner as Example Aa103, except that the red colorant PR48:1 was changed to PR48:3, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid was as follows Adjust to obtain toner particles, and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 6.

-Pigment dispersion (A)-

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR48:3 (manufactured by Fuji Color Co., Ltd., trade name: FujiRed5R763): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

・Polyester resin (1): 83.5 parts

·Pigment dispersion (A) (including PY74): 15 parts

Pigment dispersion (B) (containing PR48:3): 17.5 parts

· Release agent dispersion (A): 50 parts · Ethyl acetate: 325.6 parts

<Example Ba104>

[Preparation of Toner Particles]

In the same manner as in Example Ba1, the colorant dispersion (Other 1) was also used, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment was as described in Table 6 to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 6.

<Example Ba105>

In the same manner as in Example Aa105, except that the red colorant PR48:1 was changed to PR48:3, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles and further prepare toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 6.

・Polyester resin (1): 63.5 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR48:3 (manufactured by Fuji Color Co., Ltd., trade name: FujiRed5R763): 3.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Ba106>

In the same manner as in Example Aa106, except that the red colorant PR48:1 was changed to PR48:3, and the composition of the toner particles was adjusted as follows, to obtain toner particles, and further prepare toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 6.

・Polyester resin (1): 62.5 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR48:3 (manufactured by Fuji Color Co., Ltd., trade name: FujiRed5R763): 3.5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 6】

(Examples 5, 101, 102... in Table 6 represent Examples Ba5, Ba101, Ba102....)

<<Example Ca, Comparative Example Ca>>

<Examples Ca1-Ca13 and Comparative Examples Ca1-Ca35>

[Preparation of toner and developer]

In the same manner as in Example Aa1, the red colorant PR48:1 was changed to PR57:1, and the resin particle dispersion and colorant dispersion were adjusted so that the respective contents of PY74 and PR57:1 were as described in Table 7. Each amount of the solution is obtained to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 8.

【Table 7】

(Examples 1, 2... in Table 7 represent Examples Ca1, Ca2.... The same applies to Comparative Examples.)

【Table 8】

In Examples Ca1 to Ca13, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 7597C was obtained.

In addition, in Examples Ca4-Ca6 and Ca9-Ca11, ΔE was 8 or less, and an image with more excellent color reproducibility of PANTONE 7597C was obtained.

<Example Ca101>

In the same manner as in Example Aa101, except that the red colorant PR48:1 was changed to PR57:1, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and to further prepare a toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 9.

· Resin particle dispersion (2): 412.5 parts

Colorant dispersion (Y1) (including PY74): 15 parts

Colorant dispersion (R3) (including PR57:1): 22.5 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Ca102>

In the same manner as in Example Aa102, except that the red colorant PR48:1 was changed to PR57:1, and the composition of the toner particles was adjusted as follows, to obtain toner particles, and further prepare toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 9.

・Polyester resin (1): 82.5 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR57:1 (manufactured by Fuji Color Co., Ltd., trade name: FujiCarmine6BNo.50): 4.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Ca103>

In the same manner as Example Aa103, except that the red colorant PR48:1 was changed to PR57:1, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid was as follows Adjust to obtain toner particles, and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 9.

-Pigment dispersion (A)-

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR57:1 (manufactured by Fuji Color Co., Ltd., trade name: FujiCarmine6BNo.50): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

・Polyester resin (1): 82.5 parts

Pigment dispersion (A) (including PY74): 15 parts Pigment dispersion (B) (including PR57:1): 22.5 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Ca104>

[Preparation of Toner Particles]

In the same manner as in Example Ca1, but also using the colorant dispersion (Other 1), and adjusting the respective amounts of the resin particle dispersion and the colorant dispersion so that the content of each pigment becomes as described in Table 9, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 9.

<Example Ca105>

In the same manner as in Example Aa105, except that the red colorant PR48:1 was changed to PR57:1, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and to further prepare a toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 9.

・Polyester resin (1): 62.5 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR57:1 (manufactured by Fuji Color Co., Ltd., trade name: FujiCarmine6BNo.50): 4.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Ca106>

In the same manner as in Example Aa106, except that the red colorant PR48:1 was changed to PR57:1, and the composition of the toner particles was adjusted as follows, to obtain toner particles, and further prepare toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 9.

・Polyester resin (1): 61.5 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR57:1 (manufactured by Fuji Color Co., Ltd., trade name: FujiCarmine6BNo.50): 4.5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 9】

(Examples 5, 101, 102...in Table 9 represent examples Ca5, Ca101, Ca102....)

<<Example Da, Comparative Example Da>>

<Examples Da1 to Da11 and Comparative Examples Da1 to Da43>

[Preparation of toner and developer]

Operated in the same manner as in Example Aa1, however, the red colorant PR48:1 was changed to PR184, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the respective contents of PY74 and PR184 were as described in Table 10 , obtain toner particles, and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 11.

【Table 10】

(Examples 1, 2... in Table 10 represent Examples Da1, Da2.... The same applies to Comparative Examples.)

【Table 11】

In Examples Da1 to Da11, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 7597C was obtained.

In addition, in Examples Da2, Da4 to Da7, and Da9 to Da10, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 7597C was obtained.

<Example Da101>

In the same manner as in Example Aa101, however, the red colorant PR48:1 was changed to PR184, and the composition of the toner particles was adjusted as follows to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 12.

· Resin particle dispersion (2): 410 parts

Colorant dispersion (Y1) (including PY74): 15 parts

Colorant dispersion (R4) (including PR184): 25 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Da102>

In the same manner as in Example Aa102, however, the red colorant PR48:1 was changed to PR184, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 12.

・Polyester resin (1): 82 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR184 (manufactured by Clariant, brand name: Toner Magenta F8B): 5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Da103>

Operated in the same manner as in Example Aa103, however, the red colorant PR48:1 was changed to PR184, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid was adjusted as follows, Toner particles are obtained, and toner and developer are further prepared. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 12.

-Pigment dispersion (A)-

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR184 (manufactured by Clariant, brand name: Toner Magenta F8B): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

・Polyester resin (1): 82 parts

Pigment dispersion (A) (including PY74): 15 parts Pigment dispersion (B) (including PR184): 25 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Da104>

[Preparation of Toner Particles]

In the same manner as in Example Da1, but also using the colorant dispersion (Other 1), and adjusting the respective amounts of the resin particle dispersion and the colorant dispersion in such a manner that the content of each pigment becomes as described in Table 12, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 12.

<Example Da105>

In the same manner as in Example Aa105, however, the red colorant PR48:1 was changed to PR184, and the composition of the toner particles was adjusted as follows to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 12.

・Polyester resin (1): 62 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR184 (manufactured by Clariant, brand name: Toner Magenta F8B): 5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Da106>

In the same manner as in Example Aa106, however, the red colorant PR48:1 was changed to PR184, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Aa1. The results are shown in Table 12.

・Polyester resin (1): 61 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR184 (manufactured by Clariant, brand name: Toner Magenta F8B): 5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 12】

(embodiment 6, 101, 102... in table 12 represents embodiment Da6, Da101, Da102....)

[Example Ab, Bb, Cb, Db, Comparative Example Ab, Bb, Cb, Db]

Below, unless otherwise stated, "parts" are based on mass.

In addition, hereinafter, C.I. Pigment Yellow 155 is referred to as "PY155", C.I. Pigment Yellow 185 is referred to as "PY185", C.I. Pigment Red 238 is referred to as "PR238", and C.I. Pigment Red 146 is referred to as "PR146".

＜Measuring methods of physical properties＞

The measurement method of each physical property is the same as that described in Example Aa, Ba, Ca, Da, Comparative Example Aa, Ba, Ca, Da.

＜Preparation of colorant dispersion＞

[Preparation of Colorant Dispersion Liquid (Y2)]

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 70 parts

・Anionic surfactant (Neogen RK manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 1 part

·Ion-exchanged water: 200 parts

The above-mentioned materials were mixed and dispersed for 10 minutes with a homogenizer (Ultra Turrax T50 manufactured by IKA Corporation). Ion-exchanged water was added so that the solid content in the dispersion became 20% by mass, and a colorant dispersion (Y2) in which colorant particles having a volume average particle diameter of 190 nm were dispersed was obtained.

[Preparation of Colorant Dispersion Liquid (Y3)]

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 70 parts

・Anionic surfactant (Neogen RK manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 1 part

·Ion-exchanged water: 200 parts

The above-mentioned materials were mixed and dispersed for 10 minutes with a homogenizer (Ultra Turrax T50 manufactured by IKA Corporation). Ion-exchanged water was added so that the solid content in the dispersion liquid became 20% by mass, and a colorant dispersion liquid (Y3) in which colorant particles having a volume average particle diameter of 190 nm were dispersed was obtained.

[Preparation of Colorant Dispersion (R5)]

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 70 parts

・Anionic surfactant (Neogen RK manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 1 part

·Ion-exchanged water: 200 parts

The above-mentioned materials were mixed and dispersed for 10 minutes with a homogenizer (Ultra Turrax T50 manufactured by IKA Corporation). Ion-exchanged water was added so that the solid content in the dispersion liquid became 20% by mass, and a colorant dispersion liquid (R5) in which colorant particles having a volume average particle diameter of 190 nm were dispersed was obtained.

[Preparation of Colorant Dispersion (R6)]

・PR146 (manufactured by Clariant, trade name: Permanent Carmine FBB02): 70 parts

・Anionic surfactant (Neogen RK manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 1 part

·Ion-exchanged water: 200 parts

The above-mentioned materials were mixed and dispersed for 10 minutes with a homogenizer (Ultra Turrax T50 manufactured by IKA Corporation). Ion-exchanged water was added so that the solid content in the dispersion liquid became 20% by mass, and a colorant dispersion liquid (R6) in which colorant particles having a volume average particle diameter of 190 nm were dispersed was obtained.

<<Example Ab, Comparative Example Ab>>

<Example Ab1>

[Preparation of Toner Particles]

·Resin particle dispersion (1): 415 parts

Colorant dispersion (Y2) (including PY155): 15 parts

Colorant dispersion (R5) (including PR238): 20 parts

· Anti-sticking agent dispersion (1): 50 parts

Anionic surfactant (TaycaPower): 2 parts

Toner particles (Ab1) having a volume-average particle diameter of 7.5 μm were obtained in the same manner as toner particles (Aa1) except that they were made into the above materials.

[Preparation of externally added toner]

100 parts of toner particles (Ab1) and 0.7 parts of simethicone-treated silica particles (RY200 manufactured by Nippon Aerosil Co., Ltd.) were mixed with a Henschel mixer to obtain a toner (Ab1).

[Preparation of developer]

5 parts of the toner (Ab1) were mixed with 100 parts of the carrier to obtain a developer (Ab1).

[Evaluation of color reproducibility]

The following operations, imaging, and measurements were all performed in an environment of temperature 25° C./humidity 60%.

DocuCentre Color 400 CP manufactured by Fuji Xerox Co., Ltd. was prepared as an image forming apparatus for forming an image for evaluation, and a developer (Ab1) was put in a developing device, and a toner (Ab1) was put in a toner cartridge.

Then, a monochromatic 100% density image (size 5 cm×5 cm, amount of toner 4.3 g/m ² ) was formed on a coated paper having a glossiness of 40% (OS Coated Paper W manufactured by Fuji Xerox Co., Ltd.).

The L ^* value, a ^* value, and b ^* value of the formed image in the CIE1976L ^* a ^* b ^* colorimetric system were randomly measured at 10 points using X-Rite939 (aperture 4mm) manufactured by X-Rite Co., Ltd., and the L ^* value was calculated. , the average value of a ^* value and b ^* value.

For PANTONE7597C (coated paper) of a commercially available color sample (PANTONE FORMULA GUIDE Solid Coated manufactured by PANTONE Corporation), the L ^* value, a ^* value, and b ^* value were also measured in the same manner as above, and the respective average values were calculated, and the result was L ₁ =50.81, a ₁ =57.08, b ₁ =49.78.

Then, based on the following formula, the color difference ΔE between the formed image and PANTONE7597C was calculated. The results are shown in Table 14.

【Number 3】

L ₁ , a ₁ , and b ₁ are the L ^* value, a ^* value, and b ^* value of PANTONE7597C, and L ² , a2, ^{and b2} are the L ^* value, a ^* value, and b ^* value of the images of the examples and comparative examples value.

<Examples Ab2 to Ab14 and Comparative Examples Ab1 to Ab46>

[Preparation of toner and developer]

In the same manner as in Example Ab1, except that the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the respective contents of PY155 and PR238 were as described in Table 13, toner particles were obtained, and a toner was further prepared. and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 14.

【Table 13】

(Examples 1, 2... in Table 13 represent Examples Ab1, Ab2.... The same applies to Comparative Examples.)

【Table 14】

In Examples Ab1 to Ab14, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 7597C was obtained.

In addition, in Examples Ab2 to Ab3, Ab5 to Ab7, Ab9 to Ab11, and Ab13, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 7597C was obtained.

<Example Ab101>

[Preparation of Toner Particles]

· Resin particle dispersion (2): 407.5 parts

Colorant dispersion (Y2) (including PY155): 17.5 parts

Colorant dispersion (R5) (including PR238): 25 parts

· Anti-sticking agent dispersion (1): 50 parts

A toner particle (Ab101) having a volume average particle diameter of 7.5 µm was obtained in the same manner as the toner particle (Aa101) except that the above-mentioned material was prepared.

[Preparation of externally added toner]

Toner (A101) was obtained in the same manner as the preparation of toner (Ab1), except that toner particles (Ab101) were used instead of toner particles (Ab1).

[Preparation of developer]

A developer (Ab101) was obtained in the same manner as the preparation of the developer (Ab1), except that the toner (Ab1) was replaced with the toner (Ab101).

[Evaluation of color reproducibility]

Using the toner (Ab101) and the developer (Ab101) instead of the toner (Ab1) and the developer (Ab1), the same evaluation as the evaluation of the color reproducibility in Example Ab1 was performed. The results are shown in Table 15.

<Example Ab102>

[Preparation of Toner Particles]

・Polyester resin (1): 81.5 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow 3GP): 3.5 parts

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 5 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then classified into fine particles and coarse particles by a wind classifier to obtain toner particles (Ab102) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ab102) was obtained in the same manner as in the preparation of toner (Ab1), except that toner particles (Ab102) were used instead of toner particles (Ab1).

[Preparation of developer]

A developer (Ab102) was obtained in the same manner as the preparation of the developer (Ab1), but using the toner (Ab102) instead of the toner (Ab1).

[Evaluation of color reproducibility]

Using the toner (Ab102) and the developer (Ab102) instead of the toner (Ab1) and the developer (Ab1), the same evaluation as the evaluation of color reproducibility in Example Ab1 was performed. The results are shown in Table 15.

<Example Ab103>

[Preparation of Toner Particles]

-Pigment dispersion (A)-

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 20 parts

· Ethyl acetate: 80 parts

The above materials were dispersed using a sand mill to prepare a pigment dispersion (A).

-Pigment dispersion (B)-

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 20 parts

· Ethyl acetate: 80 parts

The above materials were dispersed using a sand mill to prepare a pigment dispersion (B).

- Release agent dispersion (A) -

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 20 parts

· Ethyl acetate: 80 parts

The above materials were dispersed with a DCP mill in a state cooled to 10° C. to prepare a release agent dispersion (A).

-C liquid-

・Polyester resin (1): 81.5 parts

Pigment dispersion (A) (including PY155): 17.5 parts

Pigment dispersion (B) (including PR238): 25 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

Mix and stir the above materials to make liquid C.

-D liquid-

Calcium carbonate dispersion (calcium carbonate: water = 40 parts: 60 parts): 124 parts

2% by mass aqueous solution of Cellogen BS-H (manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 99 parts

·Water: 277 parts

Mix and stir the above materials to make liquid D.

500 parts of liquid C and 500 parts of liquid D were mixed and stirred to obtain a suspension, which was stirred with a propeller stirrer for 48 hours to remove the solvent. Then, hydrochloric acid was added to remove calcium carbonate, washed with water, dried, and classified to obtain toner particles (Ab103) having a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ab103) was obtained in the same manner as in the preparation of toner (Ab1), except that toner particles (Ab103) were used instead of toner particles (Ab1).

[Preparation of developer]

A developer (Ab103) was obtained in the same manner as the preparation of the developer (Ab1), but using the toner (Ab103) instead of the toner (Ab1).

[Evaluation of color reproducibility]

Using the toner (Ab103) and the developer (Ab103) instead of the toner (Ab1) and the developer (Ab1), the same evaluation as the evaluation of the color reproducibility in Example Ab1 was performed. The results are shown in Table 15.

<Example Ab104>

[Preparation of Toner Particles]

Operate in the same manner as in Example Ab1, but also use the colorant dispersion (other 1), and adjust the respective amounts of the resin particle dispersion and the colorant dispersion so that the content of each pigment becomes as described in Table 15, to obtain the adjusted Toner particles (Ab104).

[Preparation of externally added toner]

Toner (Ab104) was obtained in the same manner as in the preparation of toner (Ab1), except that toner particles (Ab104) were used instead of toner particles (Ab1).

[Preparation of developer]

A developer (Ab104) was obtained in the same manner as the preparation of the developer (Ab1), but using the toner (Ab104) instead of the toner (Ab1).

[Evaluation of color reproducibility]

Using the toner (Ab104) and the developer (Ab104) instead of the toner (Ab1) and the developer (Ab1), the same evaluation as the evaluation of the color reproducibility in Example Ab1 was performed. The results are shown in Table 15.

<Example Ab105>

[Preparation of Toner Particles]

・Polyester resin (1): 61.5 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow 3GP): 3.5 parts

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 5 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then classified into fine and coarse particles by an air classifier to obtain toner particles (Ab105) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ab105) was obtained in the same manner as in the preparation of toner (Ab1), except that toner particles (Ab105) were used instead of toner particles (Ab1).

[Preparation of developer]

A developer (Ab105) was obtained in the same manner as the preparation of the developer (Ab1), but using the toner (Ab105) instead of the toner (Ab1).

[Evaluation of color reproducibility]

Using the toner (Ab105) and the developer (Ab105) instead of the toner (Ab1) and the developer (Ab1), the same evaluation as the evaluation of the color reproducibility in Example Ab1 was performed. The results are shown in Table 15.

<Example Ab106>

[Preparation of Toner Particles]

・Polyester resin (1): 60.5 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow 3GP): 3.5 parts

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 5 servings

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then classified into fine and coarse particles by an air classifier to obtain toner particles (Ab106) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ab106) was obtained in the same manner as in the preparation of toner (Ab1), except that toner particles (Ab106) were used instead of toner particles (Ab1).

[Preparation of developer]

The developer (Ab106) was obtained in the same manner as the preparation of the developer (Ab1), but using the toner (Ab106) instead of the toner (Ab1).

[Evaluation of color reproducibility]

Using toner (Ab106) and developer (Ab106) instead of toner (Ab1) and developer (Ab1), the same evaluation as the evaluation of color reproducibility in Example Ab1 was performed. The results are shown in Table 15.

【Table 15】

(Examples 6, 101, 102...in Table 15 represent Examples Ab6, Ab101, Ab102....)

<<Example Bb, Comparative Example Bb>>

<Examples Bb1 to Bb15 and Comparative Examples Bb1 to Bb48>

[Preparation of toner and developer]

Operated in the same manner as in Example Ab1, however, the red colorant PR238 was changed to PR146, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the contents of PY155 and PR146 were as shown in Table 16, to obtain the adjusted Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 17.

【Table 16】

(Examples 1, 2... in Table 16 represent Examples Bb1, Bb2.... The same applies to Comparative Examples.)

【Table 17】

In Examples Bb1 to Bb15, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 7597C was obtained.

In addition, in Examples Bb3 to Bb5, Bb8 to Bb10, and Bb13 to Bb15, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 7597C was obtained.

<Example Bb101>

In the same manner as in Example Ab101, except that the red colorant PR238 was changed to PR146, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 18.

· Resin particle dispersion (2): 410 parts

Colorant dispersion (Y1) (including PY155): 15 parts

Colorant dispersion (R2) (including PR146): 25 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Bb102>

In the same manner as in Example Ab102, except that the red colorant PR238 was changed to PR146, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 18.

・Polyester resin (1): 82 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 3 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Bb103>

Operated in the same manner as in Example Ab103, however, the red colorant PR238 was changed to PR146, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid was adjusted as follows to obtain the adjusted Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 18.

-Pigment dispersion (A)-

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

・Polyester resin (1): 82 parts

·Pigment dispersion (A) (including PY155): 15 parts

Pigment dispersion (B) (including PR146): 25 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Bb104>

[Preparation of Toner Particles]

In the same manner as in Example Bb1, the colorant dispersion liquid (Other 1) was also used, and the respective amounts of the resin particle dispersion liquid and the colorant dispersion liquid were adjusted so that the content of each pigment became as described in Table 18, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 18.

<Example Bb105>

In the same manner as in Example Ab105, except that the red colorant PR238 was changed to PR146, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 18.

・Polyester resin (1): 62 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 3 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Bb106>

In the same manner as in Example Ab106, except that the red colorant PR238 was changed to PR146, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare toner and developer . The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 18.

・Polyester resin (1): 61 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 3 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 18】

(Examples 9, 101, 102...in Table 18 represent Examples Bb9, Bb101, Bb102....)

<<Example Cb, Comparative Example Cb>>

<Examples Cb1 to Cb13 and Comparative Examples Cb1 to Cb47>

[Preparation of toner and developer]

Operated in the same manner as in Example Ab1, however, the yellow colorant PY155 was changed to PY185, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the respective contents of PY185 and PR238 were as described in Table 19, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 20.

【Table 19】

(Examples 1, 2... in Table 19 represent Examples Cb1, Cb2.... The same applies to Comparative Examples.)

【Table 20】

In Examples Cb1 to Cb13, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 7597C was obtained.

In addition, in Examples Cb2, Cb4 to Cb6, Cb8 to Cb10, and Cb12, ΔE was 8 or less, and an image with better color reproducibility than PANTONE 7597C could be obtained.

<Example Cb101>

In the same manner as in Example Ab101, except that the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 21.

· Resin particle dispersion (2): 407.5 parts

Colorant dispersion (Y3) (including PY185): 17.5 parts

Colorant dispersion (R5) (including PR238): 25 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Cb102>

In the same manner as in Example Ab102, except that the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted as follows, toner particles were obtained, and a toner and a developer were further prepared. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 21.

・Polyester resin (1): 81.5 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 3.5 parts

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 5 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Cb103>

Operated in the same manner as in Example Ab103, however, the yellow colorant PY155 was changed to PY185, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid was adjusted as follows to obtain the adjusted Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 21.

-Pigment dispersion (A)-

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

・Polyester resin (1): 81.5 parts

· Pigment dispersion (A) (including PY185): 17.5 parts

Pigment dispersion (B) (including PR238): 25 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Cb104>

[Preparation of Toner Particles]

In the same manner as in Example Cb1, the colorant dispersion (Other 1) was also used, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment was as described in Table 9 to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 21.

<Example Cb105>

In the same manner as in Example Ab105, except that the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 21.

・Polyester resin (1): 61.5 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 3.5 parts

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 5 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Cb106>

In the same manner as in Example Ab106, except that the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 21.

・Polyester resin (1): 60.5 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 3.5 parts

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 5 servings

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 21】

(Examples 5, 101, 102...in Table 21 represent examples Cb5, Cb101, Cb102....)

<<Example Db, Comparative Example Db>>

<Examples Db1 to Db13 and Comparative Examples Db1 to Db41>

[Preparation of toner and developer]

Operated in the same manner as in Example Ab1, however, the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the resin particle dispersion and the resin particle dispersion were adjusted so that the respective contents of PY185 and PR146 were as described in Table 22. Each amount of the colorant dispersion was obtained to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 23.

【Table 22】

(Examples 1, 2... in Table 22 represent Examples Db1, Db2.... The same applies to Comparative Examples.)

【Table 23】

In Examples Db1 to Db13, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 7597C was obtained.

In addition, in Examples Db1 to Db3, Db6 to Db8, and Db11 to Db12, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 7597C was obtained.

<Example Db101>

In the same manner as in Example Ab101, except that the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted as follows to obtain toner particles , and further prepare toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 24.

· Resin particle dispersion (2): 410 parts

Colorant dispersion (Y3) (including PY185): 15 parts

Colorant dispersion (R6) (including PR146): 25 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Db102>

In the same manner as in Example Ab102, except that the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted as follows to obtain toner particles , and further prepare toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 24.

・Polyester resin (1): 82 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 3 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Db103>

Operate in the same manner as in Example Ab103, however, the red colorant PR238 is changed to PR146, the yellow colorant PY155 is changed to PY185, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid becomes as follows The method is adjusted to obtain toner particles, and the toner and developer are further prepared. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 24.

-Pigment dispersion (A)-

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

・Polyester resin (1): 82 parts

·Pigment dispersion (A) (including PY185): 15 parts

Pigment dispersion (B) (including PR146): 25 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Db104>

[Preparation of Toner Particles]

Operate in the same manner as in Example Db1, but also use the colorant dispersion (other 1), and adjust the respective amounts of the resin particle dispersion and the colorant dispersion in such a manner that the content of each pigment becomes Table 24, to obtain the adjusted Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 24.

<Example Db105>

In the same manner as in Example Ab105, except that the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted as follows to obtain toner particles , and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 24.

・Polyester resin (1): 62 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 3 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Db106>

In the same manner as in Example Ab106, except that the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted as follows to obtain toner particles , and further prepare toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ab1. The results are shown in Table 24.

・Polyester resin (1): 61 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 3 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 24】

(Examples 7, 101, 102...in Table 24 represent Examples Db7, Db101, Db102....)

[Example Ac, Bc, Cc, Dc, Comparative Example Ac, Bc, Cc, Dc]

Below, unless otherwise stated, "parts" are based on mass.

＜Measuring methods of physical properties＞

The measuring method of each physical property is identical with the content described in embodiment Aa, Ba, Ca, Da, comparative example Aa, Ba, Ca, Da.

<<Example Ac, Comparative Example Ac>>

<Example Ac1>

[Preparation of Toner Particles]

·Resin particle dispersion (1): 427.5 parts

Colorant dispersion (Y1) (including PY74): 2.5 parts

Colorant dispersion (R1) (including PR48:1): 20 parts

· Anti-sticking agent dispersion (1): 50 parts

Anionic surfactant (TaycaPower): 2 parts

A toner particle (Ac1) having a volume average particle diameter of 7.5 µm was obtained in the same manner as the toner particle (Aa1) except that the above-mentioned material was formed.

[Preparation of externally added toner]

100 parts of toner particles (Ac1) and 0.7 parts of simethicone-treated silica particles (RY200 manufactured by Nippon Aerosil Co., Ltd.) were mixed with a Henschel mixer to obtain toner (Ac1).

[Preparation of developer]

5 parts of the toner (Ac1) were mixed with 100 parts of the carrier to obtain a developer (Ac1).

[Evaluation of color reproducibility]

The following operations, imaging, and measurements were all performed in an environment of temperature 25° C./humidity 60%.

DocuCentre Color 400 CP manufactured by Fuji Xerox Co., Ltd. was prepared as an image forming apparatus for forming an image for evaluation, and the developer (Ac1) was put in the developing device, and the toner (Ac1) was put in the toner cartridge.

Then, a monochromatic 100% density image (size 5 cm×5 cm, toner load 4.3 g/m ² ) was formed on coated paper having a glossiness of 40% (OS Coated Paper W manufactured by Fuji Xerox Co., Ltd.).

The L ^* value, a ^* value, and b ^* value in the CIE1976L ^* a ^* b ^* colorimetric system of the formed image were randomly measured at 10 places using X-Rite939 (aperture 4 mm) manufactured by X-Rite Co., Ltd., and the L ^* value, The average value of a ^* value and b ^* value.

For PANTONE199C (coated paper) of a commercially available color sample (PANTONE FORMULA GUIDE Solid Coated manufactured by PANTONE Corporation), the L ^* value, a ^* value, and b ^* value were also measured in the same manner as above, and the respective average values were calculated, and the result was L ₃ = 46.25, a ₃ = 74.16, b ₃ = 41.96.

Then, based on the following formula, the color difference ΔE between the formed image and PANTONE 199C was calculated. The results are shown in Table 26.

【Number 3】

ΔE＝{(L ₃ －L ₄ ) ² +(a ₃ －a ₄ ) ² +(b ₃ －b ₄ ) ² } ^0.5

L ₃ , a ₃ , and b ₃ are L ^* values, a ^* values, and b ^* values of PANTONE199C, and L ₄ , _a4 , and _b4 are L ^* values, a*values, and ^{b* values} of the images of Examples and Comparative Examples value.

<Examples Ac2 to Ac7 and Comparative Examples Ac1 to Ac17>

[Preparation of toner and developer]

In the same manner as in Example Ac1, however, the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the respective contents of PY74 and PR48:1 were as described in Table 25, to obtain toner particles, and further prepared toner particles. Toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 26.

【Table 25】

(Examples 1, 2... in Table 25 represent Examples Ac1, Ac2.... The same applies to Comparative Examples.)

【Table 26】

In Examples Ac1 to Ac7, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 199C was obtained.

In addition, in Examples Ac2, Ac3, Ac5, and Ac6, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 199C was obtained.

<Example Ac101>

[Preparation of Toner Particles]

· Resin particle dispersion (2): 422.5 parts

Colorant dispersion (Y1) (including PY74): 2.5 parts

Colorant dispersion (R1) (including PR48:1): 25 parts

· Anti-sticking agent dispersion (1): 50 parts

Toner particles (Ac101) having a volume average particle diameter of 7.5 µm were obtained in the same manner as the toner particles (Aa101) except that the above materials were prepared.

[Preparation of externally added toner]

Toner (Ac101) was obtained in the same manner as in the preparation of toner (Ac1), except that toner particles (Ac101) were used instead of toner particles (Ac1).

[Preparation of developer]

A developer (Ac101) was obtained in the same manner as the preparation of the developer (Ac1), except that the toner (Ac1) was replaced with the toner (Ac101).

[Evaluation of color reproducibility]

Using the toner (Ac101) and the developer (Ac101) instead of the toner (Ac1) and the developer (Ac1), the same evaluation as the evaluation of the color reproducibility in Example Ac1 was performed. The results are shown in Table 27.

<Example Ac102>

[Preparation of Toner Particles]

・Polyester resin (1): 84.5 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 0.5 parts

・PR48:1 (manufactured by DIC Corporation, trade name: SymulerRed3109): 25 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then classified into fine particles and coarse particles by an air classifier to obtain toner particles (Ac102) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ac102) was obtained in the same manner as in the preparation of toner (Ac1), except that toner particles (Ac102) were used instead of toner particles (Ac1).

[Preparation of developer]

A developer (Ac102) was obtained in the same manner as the preparation of the developer (Ac1), but using the toner (Ac102) instead of the toner (Ac1).

[Evaluation of color reproducibility]

Using the toner (Ac102) and the developer (Ac102) instead of the toner (Ac1) and the developer (Ac1), the same evaluation as the evaluation of the color reproducibility in Example Ac1 was performed. The results are shown in Table 27.

<Example Ac103>

[Preparation of Toner Particles]

-Pigment dispersion (A)-

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 20 parts

· Ethyl acetate: 80 parts

The above materials were dispersed with a sand mill to prepare a pigment dispersion (A).

-Pigment dispersion (B)-

・PR48:1 (manufactured by DIC Corporation, trade name: SymulerRed3109): 20 parts

· Ethyl acetate: 80 parts

The above-mentioned materials were dispersed with a sand mill to prepare a pigment dispersion (B).

- Release agent dispersion (A) -

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 20 parts

· Ethyl acetate: 80 parts

The above materials were dispersed with a DCP mill in a state cooled to 10° C. to prepare a release agent dispersion (A).

-C liquid-

・Polyester resin (1): 84.5 parts

·Pigment dispersion (A) (including PY74): 2.5 parts

·Pigment dispersion (B) (including PR48:1): 25 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

Mix and stir the above materials to make liquid C.

-D liquid-

Calcium carbonate dispersion (calcium carbonate: water = 40 parts: 60 parts): 124 parts

2% by mass aqueous solution of Cellogen BS-H (manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 99 parts

·Water: 277 parts

Mix and stir the above materials to make liquid D.

500 parts of liquid C and 500 parts of liquid D were mixed and stirred to obtain a suspension, which was stirred with a propeller stirrer for 48 hours to remove the solvent. Then, hydrochloric acid was added to remove calcium carbonate, washed with water, dried, and classified to obtain toner particles (Ac103) having a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ac103) was obtained in the same manner as in the preparation of toner (Ac1), except that toner particles (Ac103) were used instead of toner particles (Ac1).

[Preparation of developer]

A developer (Ac103) was obtained in the same manner as the preparation of the developer (Ac1), but using the toner (Ac103) instead of the toner (Ac1).

[Evaluation of color reproducibility]

Using the toner (Ac103) and the developer (Ac103) instead of the toner (Ac1) and the developer (Ac1), the same evaluation as the evaluation of the color reproducibility in Example Ac1 was performed. The results are shown in Table 27.

<Example Ac104>

[Preparation of Toner Particles]

In the same manner as in Example Ac1, the colorant dispersion (Other 1) was also used, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment became as described in Table 27, to obtain Toner particles (Ac104).

[Preparation of externally added toner]

Toner (Ac104) was obtained in the same manner as in the preparation of toner (Ac1), except that toner particles (Ac104) were used instead of toner particles (Ac1).

[Preparation of developer]

A developer (Ac104) was obtained in the same manner as the preparation of the developer (Ac1), but using the toner (Ac104) instead of the toner (Ac1).

[Evaluation of color reproducibility]

Using the toner (Ac104) and the developer (Ac104) instead of the toner (Ac1) and the developer (Ac1), the same evaluation as the evaluation of the color reproducibility in Example Ac1 was performed. The results are shown in Table 27.

<Example Ac105>

[Preparation of Toner Particles]

・Polyester resin (1): 64.5 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 0.5 parts

・PR48:1 (manufactured by DIC Corporation, trade name: SymulerRed3109): 5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

The above materials were kneaded by an extruder, pulverized by a pulverizer of a surface pulverization method, and then classified into fine particles and coarse particles by an air classifier to obtain toner particles (Ac105) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ac105) was obtained in the same manner as the preparation of toner (Ac1), except that toner particles (Ac105) were used instead of toner particles (Ac1).

[Preparation of developer]

A developer (Ac105) was obtained in the same manner as the preparation of the developer (Ac1), but using the toner (Ac105) instead of the toner (Ac1).

[Evaluation of color reproducibility]

Using the toner (Ac105) and the developer (Ac105) instead of the toner (Ac1) and the developer (Ac1), the same evaluation as the evaluation of the color reproducibility in Example Ac1 was performed. The results are shown in Table 27.

<Example Ac106>

[Preparation of Toner Particles]

・Polyester resin (1): 63.5 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 0.5 parts

・PR48:1 (manufactured by DIC Corporation, trade name: SymulerRed3109): 5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then classified into fine and coarse particles by an air classifier to obtain toner particles (Ac106) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ac106) was obtained in the same manner as in the preparation of toner (Ac1), except that toner particles (Ac106) were used instead of toner particles (Ac1).

[Preparation of developer]

A developer (Ac106) was obtained in the same manner as the preparation of the developer (Ac1), but using the toner (Ac106) instead of the toner (Ac1).

[Evaluation of color reproducibility]

Using the toner (Ac106) and the developer (Ac106) instead of the toner (Ac1) and the developer (Ac1), the same evaluation as the evaluation of the color reproducibility in Example Ac1 was performed. The results are shown in Table 27.

【Table 27】

(Examples 3, 101, 102...in Table 27 represent examples Ac3, Ac101, Ac102....)

<<Example Bc, Comparative Example Bc>>

<Examples Bc1 to Bc8 and Comparative Examples Bc1 to Bc22>

[Preparation of toner and developer]

The same operation was performed as in Example Ac1, but the red colorant PR48:1 was changed to PR48:3, and the resin particle dispersion and the colorant dispersion were adjusted so that the respective contents of PY74 and PR48:3 were as described in Table 28. Each amount of the solution is obtained to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 29.

【Table 28】

(Examples 1, 2... in Table 28 represent Examples Bc1, Bc2.... The same applies to Comparative Examples.)

【Table 29】

In Examples Bc1 to Bc8, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 199C was obtained.

In addition, in Examples Bc2 to Bc7, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 199C was obtained.

<Example Bc101>

In the same manner as in Example Ac101, except that the red colorant PR48:1 was changed to PR48:3, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and to further prepare a toner agent and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 30.

· Resin particle dispersion (2): 422.5 parts

Colorant dispersion (Y1) (including PY74): 2.5 parts

Colorant dispersion (R2) (including PR48:3): 25 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Bc102>

In the same manner as in Example Ac102, except that the red colorant PR48:1 was changed to PR48:3, and the composition of the toner particles was adjusted as follows, to obtain toner particles and further prepare toner agent and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 30.

・Polyester resin (1): 84.5 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 0.5 parts

・PR48:3 (manufactured by Fuji Color Co., Ltd., trade name: FujiRed5R763): 5 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Bc103>

In the same manner as Example Ac103, however, the red colorant PR48:1 was changed to PR48:3, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid was as follows Adjust to obtain toner particles, and further prepare toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 30.

-Pigment dispersion (A)-

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR48:3 (manufactured by Fuji Color Co., Ltd., trade name: FujiRed5R763): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

・Polyester resin (1): 84.5 parts

·Pigment dispersion (A) (including PY74): 2.5 parts

Pigment dispersion (B) (including PR48:3): 25 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Bc104>

[Preparation of Toner Particles]

In the same manner as in Example Bc1, the colorant dispersion (Other 1) was also used, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment was as described in Table 30, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 30.

<Example Bc105>

In the same manner as in Example Ac105, except that the red colorant PR48:1 was changed to PR48:3, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and to further prepare a toner agent and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 30.

・Polyester resin (1): 64.5 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 0.5 parts

・PR48:3 (manufactured by Fuji Color Co., Ltd., trade name: FujiRed5R763): 5 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Bc106>

In the same manner as in Example Ac106, except that the red colorant PR48:1 was changed to PR48:3, and the composition of the toner particles was adjusted as follows, to obtain toner particles and further prepare toner agent and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 30.

・Polyester resin (1): 63.5 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 0.5 parts

・PR48:3 (manufactured by Fuji Color Co., Ltd., trade name: FujiRed5R763): 5 servings

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 30】

(Examples 3, 101, 102...in Table 30 represent Examples Bc3, Bc101, Bc102....)

<<Example Cc, Comparative Example Cc>>

<Examples Cc1 to Cc18 and Comparative Examples Cc1 to Cc38>

[Preparation of toner and developer]

The same operation was performed as in Example Ac1, but the red colorant PR48:1 was changed to PR57:1, and the resin particle dispersion and the colorant dispersion were adjusted so that the respective contents of PY74 and PR57:1 became as described in Table 31. Each amount of the solution is obtained to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 32.

【Table 31】

(Examples 1, 2... in Table 31 represent Examples Cc1, Cc2.... The same applies to Comparative Examples.)

【Table 32】

In Examples Cc1 to Cc18, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 199C was obtained.

In addition, in Examples Cc4 to Cc6, Cc8 to Cc11, and Cc14 to Cc16, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 199C was obtained.

<Example Cc101>

In the same manner as in Example Ac101, except that the red colorant PR48:1 was changed to PR57:1, and the composition of the toner particles was adjusted as follows, to obtain toner particles and further prepare toner agent and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 33.

·Resin particle dispersion (2): 405 parts

Colorant dispersion (Y1) (including PY74): 12.5 parts

Colorant dispersion (R3) (including PR57:1): 32.5 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Cc102>

In the same manner as in Example Ac102, except that the red colorant PR48:1 was changed to PR57:1, and the composition of the toner particles was adjusted as follows, to obtain toner particles and further prepare toner agent and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 33.

・Polyester resin (1): 81 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 2.5 parts

・PR57:1 (manufactured by Fuji Color Co., Ltd., trade name: FujiCarmine6BNo.50): 6.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Cc103>

In the same manner as Example Ac103, however, the red colorant PR48:1 was changed to PR57:1, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid was as follows Adjust to obtain toner particles, and further prepare toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 33.

-Pigment dispersion (A)-

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR57:1 (manufactured by Fuji Color Co., Ltd., trade name: FujiCarmine6BNo.50): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

・Polyester resin (1): 81.0 parts

·Pigment dispersion (A) (including PY74): 12.5 parts

Pigment dispersion (B) (including PR57:1): 32.5 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Cc104>

[Preparation of Toner Particles]

In the same manner as in Example C1, but also using the colorant dispersion (Other 1), the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment became as described in Table 33, and the adjusted Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 33.

<Example Cc105>

In the same manner as in Example Ac105, except that the red colorant PR48:1 was changed to PR57:1, and the composition of the toner particles was adjusted as follows, to obtain toner particles and further prepare toner agent and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 33.

・Polyester resin (1): 61 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 2.5 parts

・PR57:1 (manufactured by Fuji Color Co., Ltd., trade name: FujiCarmine6BNo.50): 6.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Cc106>

In the same manner as in Example Ac106, except that the red colorant PR48:1 was changed to PR57:1, and the composition of the toner particles was adjusted as follows, to obtain toner particles and further prepare a toner agent and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 33.

· Polyester resin (1): 60 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 2.5 parts

・PR57:1 (manufactured by Fuji Color Co., Ltd., trade name: FujiCarmine6BNo.50): 6.5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 33】

(Examples 10, 101, 102...in Table 33 represent Examples Cc10, Cc101, Cc102....)

<<Example Dc, Comparative Example Dc>>

<Examples Dc1 to Dc16 and Comparative Examples Dc1 to Dc32>

[Preparation of toner and developer]

Operated in the same manner as in Example Ac1, however, the red colorant PR48:1 was changed to PR184, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted in such a manner that the contents of PY74 and PR184 became Table 34, Toner particles are obtained, and toner and developer are further prepared. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 35.

【Table 34】

(Examples 1, 2... in Table 34 represent Examples Dc1, Dc2.... The same applies to Comparative Examples.)

【Table 35】

In Examples Dc1 to Dc16, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 199C was obtained.

In addition, in Examples Dc3 to Dc6, Dc8 to Dc11, and Dc13 to Dc15, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 199C was obtained.

<Example Dc101>

In the same manner as Example Ac101, however, the red colorant PR48:1 was changed to PR184, and the composition of the toner particles was adjusted as follows to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 36.

·Resin particle dispersion (2): 405 parts

Colorant dispersion (Y1) (including PY74): 12.5 parts

· Colorant dispersion (R4) (including PR184): 32.5 parts · Release agent dispersion (1): 50 parts

<Example Dc102>

In the same manner as Example Ac102, however, the red colorant PR48:1 was changed to PR184, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 36.

・Polyester resin (1): 81 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 2.5 parts

・PR184 (manufactured by Clariant, trade name: Toner Magenta F8B): 6.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Dc103>

Operated in the same manner as in Example Ac103, however, the red colorant PR48:1 was changed to PR184, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid was adjusted as follows, Toner particles are obtained, and toner and developer are further prepared. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 36.

-Pigment dispersion (A)-

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR184 (manufactured by Clariant, brand name: Toner Magenta F8B): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

・Polyester resin (1): 81 parts

·Pigment dispersion (A) (including PY74): 12.5 parts

·Pigment dispersion (B) (including PR184): 32.5 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Dc104>

[Preparation of Toner Particles]

In the same manner as in Example Dc1, the colorant dispersion (Other 1) was also used, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment became as described in Table 36, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 36.

<Example Dc105>

In the same manner as Example Ac105, however, the red colorant PR48:1 was changed to PR184, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 36.

・Polyester resin (1): 61 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 2.5 parts

・PR184 (manufactured by Clariant, trade name: Toner Magenta F8B): 6.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Dc106>

In the same manner as Example Ac106, however, the red colorant PR48:1 was changed to PR184, and the composition of the toner particles was adjusted as follows to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same way as the evaluation of color reproducibility in Example Ac1. The results are shown in Table 36.

· Polyester resin (1): 60 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 2.5 parts

・PR184 (manufactured by Clariant, trade name: Toner Magenta F8B): 6.5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 36】

(Examples 6, 101, 102...in Table 36 represent Examples Dc6, Dc101, Dc102....)

[Example Ad, Bd, Cd, Dd, Comparative Example Ad, Bd, Cd, Dd]

Below, unless otherwise stated, "parts" are based on mass.

＜Measuring methods of physical properties＞

The measuring method of each physical property is identical with the content described in embodiment Aa, Ba, Ca, Da, comparative example Aa, Ba, Ca, Da.

<<Example Ad, Comparative Example Ad>>

<Example Ad1>

[Preparation of Toner Particles]

·Resin particle dispersion (1): 410 parts

Colorant dispersion (Y2) (including PY155): 12.5 parts

Colorant dispersion (R5) (including PR238): 27.5 parts

· Anti-sticking agent dispersion (1): 50 parts

Anionic surfactant (TaycaPower): 2 parts

Toner particles (Ad1) having a volume average particle diameter of 7.5 μm were obtained in the same manner as toner particles (Aa1) except for using the above-mentioned materials.

[Preparation of externally added toner]

100 parts of toner particles (Ad1) and 0.7 parts of simethicone-treated silica particles (RY200 manufactured by Nippon Aerosil Co., Ltd.) were mixed with a Henschel mixer to obtain a toner (Ad1).

[Preparation of developer]

5 parts of the toner (Ad1) were mixed with 100 parts of the carrier to obtain a developer (Ad1).

[Evaluation of color reproducibility]

The following operations, imaging, and measurements were all performed in an environment of temperature 25° C./humidity 60%.

DocuCentre Color 400 CP manufactured by Fuji Xerox Co., Ltd. was prepared as an image forming apparatus for forming an image for evaluation, and a developer (Ad1) was loaded in a developing device, and a toner (Ad1) was loaded in a toner cartridge.

Then, a monochromatic 100% density image (size 5 cm×5 cm, toner load 4.3 g/m ² ) was formed on coated paper having a glossiness of 40% (OS Coated Paper W manufactured by Fuji Xerox Co., Ltd.).

The L ^* value, a ^* value, and b ^* value in the CIE1976L ^* a ^* b ^* colorimetric system of the formed image were randomly measured at 10 places using X-Rite939 (aperture 4 mm) manufactured by X-Rite Co., Ltd., and the L ^* value, The average value of a ^* value and b ^* value.

For PANTONE 199C (coated paper) of a commercially available color sample (PANTONE FORMULA GUIDE Solid Coated manufactured by PANTONE Corporation), the L ^* value, a ^* value, and b ^* value were also measured in the same manner as above, and the respective average values were calculated, and the result was L ₃ = 46.25, a ₃ = 74.16, b ₃ = 41.96.

Then, based on the following formula, the color difference ΔE between the formed image and PANTONE 199C was calculated. The results are shown in Table 38.

【Number 3】

ΔE＝{(L ₃ －L ₄ ) ² +(a ₃ －a ₄ ) ² +(b ₃ －b ₄ ) ² } ^0.5

L ₃ , a ₃ , and b ₃ are L ^* values, a ^* values, and b ^* values of PANTONE199C, and L ₄ , _a4 , and _b4 are L ^* values, a*values, and ^{b* values} of the images of Examples and Comparative Examples value.

<Examples Ad2-Ad18 and Comparative Examples Ad1-Ad36>

[Preparation of toner and developer]

In the same manner as in Example Ad1, except that the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the respective contents of PY155 and PR238 were as described in Table 37, toner particles were obtained, and a toner was further prepared. and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 38.

【Table 37】

(Examples 1, 2... in Table 37 represent Examples Ad1, Ad2.... The same applies to Comparative Examples.)

【Table 38】

In Examples Ad1 to Ad18, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 199C was obtained.

In addition, in Examples Ad2-Ad8, Ad10-Ad13, Ad16-Ad17, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 199C was obtained.

<Example Ad101>

[Preparation of Toner Particles]

·Resin particle dispersion (2): 400 parts

Colorant dispersion (Y2) (including PY155): 15 parts

Colorant dispersion (R5) (including PR238): 35 parts

· Anti-sticking agent dispersion (1): 50 parts

Toner particles (Ad101) having a volume average particle diameter of 7.5 μm were obtained in the same manner as toner particles (Aa101) except for using the above materials.

[Preparation of externally added toner]

Toner (Ad101) was obtained in the same manner as in the preparation of toner (Ad1), except that toner particles (Ad101) were used instead of toner particles (Ad1).

[Preparation of developer]

A developer (Ad101) was obtained in the same manner as in the preparation of the developer (Ad1), except that the toner (Ad1) was replaced with the toner (Ad101).

[Evaluation of color reproducibility]

Using the toner (Ad101) and the developer (Ad101) instead of the toner (Ad1) and the developer (Ad1), the same evaluation as the evaluation of color reproducibility in Example Ad1 was performed. The results are shown in Table 39.

<Example Ad102>

[Preparation of Toner Particles]

· Polyester resin (1): 80 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 3 parts

・PR238 (manufactured by Fuji Color Co., Ltd., trade name: FujiFastCarmine580): 7 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then classified into fine and coarse particles by an air classifier to obtain toner particles (Ad102) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ad102) was obtained in the same manner as in the preparation of toner (Ad1), except that toner particles (Ad102) were used instead of toner particles (Ad1).

[Preparation of developer]

A developer (Ad102) was obtained in the same manner as the preparation of the developer (Ad1), but using the toner (Ad102) instead of the toner (Ad1).

[Evaluation of color reproducibility]

Using the toner (Ad102) and the developer (Ad102) instead of the toner (Ad1) and the developer (Ad1), the same evaluation as the evaluation of color reproducibility in Example Ad1 was performed. The results are shown in Table 39.

<Example Ad103>

[Preparation of Toner Particles]

-Pigment dispersion (A)-

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 20 parts

· Ethyl acetate: 80 parts

The above materials were dispersed with a sand mill to prepare a pigment dispersion (A).

-Pigment dispersion (B)-

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 20 parts

· Ethyl acetate: 80 parts

The above-mentioned materials were dispersed with a sand mill to prepare a pigment dispersion (B).

- Release agent dispersion (A) -

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 20 parts

· Ethyl acetate: 80 parts

The above materials were dispersed with a DCP mill in a state cooled to 10° C. to prepare a release agent dispersion (A).

-C liquid-

· Polyester resin (1): 80 parts

·Pigment dispersion (A) (including PY155): 15 parts

Pigment dispersion (B) (including PR238): 35 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

Mix and stir the above materials to make liquid C.

-D liquid-

Calcium carbonate dispersion (calcium carbonate: water = 40 parts: 60 parts): 124 parts

2% by mass aqueous solution of Cellogen BS-H (manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 99 parts

·Water: 277 parts

Mix and stir the above materials to make liquid D.

500 parts of liquid C and 500 parts of liquid D were mixed and stirred to obtain a suspension, which was stirred with a propeller stirrer for 48 hours to remove the solvent. Then, hydrochloric acid was added to remove calcium carbonate, washed with water, dried, and classified to obtain toner particles (Ad103) having a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ad103) was obtained in the same manner as in the preparation of toner (Ad1), except that toner particles (Ad103) were used instead of toner particles (Ad1).

[Preparation of developer]

A developer (Ad103) was obtained in the same manner as the preparation of the developer (Ad1), but using the toner (Ad103) instead of the toner (Ad1).

[Evaluation of color reproducibility]

Using the toner (Ad103) and the developer (Ad103) instead of the toner (Ad1) and the developer (Ad1), the same evaluation as the evaluation of color reproducibility in Example Ad1 was performed. The results are shown in Table 39.

<Example Ad104>

[Preparation of Toner Particles]

In the same manner as in Example Ad1, but also using the colorant dispersion (Other 1), and adjusting the respective amounts of the resin particle dispersion and the colorant dispersion so that the content of each pigment becomes as described in Table 39, to obtain Toner particles (Ad104).

[Preparation of externally added toner]

Toner (Ad104) was obtained in the same manner as the preparation of toner (Ad1), except that toner particles (Ad104) were used instead of toner particles (Ad1).

[Preparation of developer]

A developer (Ad104) was obtained in the same manner as the preparation of the developer (Ad1), but using the toner (Ad104) instead of the toner (Ad1).

[Evaluation of color reproducibility]

The same evaluation as the evaluation of color reproducibility in Example Ad1 was performed using toner (Ad104) and developer (Ad104) instead of toner (Ad1) and developer (Ad1). The results are shown in Table 39.

<Example Ad105>

[Preparation of Toner Particles]

· Polyester resin (1): 60 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 3 parts

・PR238 (manufactured by Fuji Color Co., Ltd., trade name: FujiFastCarmine580): 7 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then classified into fine and coarse particles by an air classifier to obtain toner particles (Ad105) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ad105) was obtained in the same manner as the preparation of toner (Ad1), except that toner particles (Ad105) were used instead of toner particles (Ad1).

[Preparation of developer]

The developer (Ad105) was obtained in the same manner as the preparation of the developer (Ad1), but using the toner (Ad105) instead of the toner (Ad1).

[Evaluation of color reproducibility]

Using the toner (Ad105) and the developer (Ad105) instead of the toner (Ad1) and the developer (Ad1), the same evaluation as the evaluation of color reproducibility in Example Ad1 was performed. The results are shown in Table 39.

<Example Ad106>

[Preparation of Toner Particles]

・Polyester resin (1): 59 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 3 parts

・PR238 (manufactured by Fuji Color Co., Ltd., trade name: FujiFastCarmine580): 7 servings

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then classified into fine and coarse particles by an air classifier to obtain toner particles (Ad106) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ad106) was obtained in the same manner as the preparation of toner (Ad1), except that toner particles (Ad106) were used instead of toner particles (Ad1).

[Preparation of developer]

A developer (Ad106) was obtained in the same manner as the preparation of the developer (Ad1), but using the toner (Ad106) instead of the toner (Ad1).

[Evaluation of color reproducibility]

Using the toner (Ad106) and the developer (Ad106) instead of the toner (Ad1) and the developer (Ad1), the same evaluation as the evaluation of color reproducibility in Example Ad1 was performed. The results are shown in Table 39.

【Table 39】

(Examples 7, 101, 102...in Table 39 represent examples Ad7, Ad101, Ad102....)

<<Example Bd, Comparative Example Bd>>

<Examples Bd1 to Bd17 and Comparative Examples Bd1 to Bd48>

[Preparation of toner and developer]

Operated in the same manner as in Example Ad1, however, the red colorant PR238 was changed to PR146, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the contents of PY155 and PR146 were as described in Table 40, to obtain the adjusted Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 41.

【Table 40】

(Examples 1, 2... in Table 40 represent Examples Bd1, Bd2.... The same applies to Comparative Examples.)

【Table 41】

In Examples Bd1 to Bd17, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 199C was obtained.

In addition, in Examples Bd1 to Bd7, Bd9 to Bd12, and Bd15 to Bd16, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 199C was obtained.

<Example Bd101>

In the same manner as in Example Ad101, except that the red colorant PR238 was changed to PR146, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 42.

· Resin particle dispersion (2): 407.5 parts

Colorant dispersion (Y2) (including PY155): 10 parts

Colorant dispersion (R6) (including PR146): 32.5 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Bd102>

In the same manner as in Example Ad102, except that the red colorant PR238 was changed to PR146, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 42.

・Polyester resin (1): 81.5 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 2 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 6.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Bd103>

Operated in the same manner as in Example Ad103, however, the red colorant PR238 was changed to PR146, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid was adjusted as follows to obtain the adjusted Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 42.

-Pigment dispersion (A)-

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

・Polyester resin (1): 81.5 parts

·Pigment dispersion (A) (including PY155): 10 parts

· Pigment dispersion (B) (including PR146): 32.5 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Bd104>

[Preparation of Toner Particles]

In the same manner as in Example Bd1, the colorant dispersion (Other 1) was also used, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment became as described in Table 42, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 42.

<Example Bd105>

In the same manner as in Example Ad105, except that the red colorant PR238 was changed to PR146, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 42.

・Polyester resin (1): 61.5 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 2 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 6.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Bd106>

In the same manner as in Example Ad106, except that the red colorant PR238 was changed to PR146, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 42.

・Polyester resin (1): 60.5 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 2 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 6.5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 42】

(Examples 6, 101, 102...in Table 42 represent Examples Bd6, Bd101, Bd102....)

<<Example Cd, Comparative Example Cd>>

<Examples Cd1 to Cd18 and Comparative Examples Cd1 to Cd36>

[Preparation of toner and developer]

In the same manner as in Example Ad1, however, the yellow colorant PY155 was changed to PY185, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the respective contents of PY185 and PR238 were as described in Table 43, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 44.

【Table 43】

(Examples 1, 2... in Table 43 represent Examples Cd1, Cd2.... The same applies to Comparative Examples.)

【Table 44】

In Examples Cd1 to Cd18, ΔE was 10 or less, and an image having excellent color reproducibility of PANTONE 199C was obtained.

In addition, in Examples Cd2 to Cd8, Cd10 to Cd13, and Cd16 to Cd17, ΔE was 8 or less, and an image with more excellent color reproducibility of PANTONE 199C was obtained.

<Example Cd101>

In the same manner as in Example Ad101, except that the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 45.

·Resin particle dispersion (2): 400 parts

Colorant dispersion (Y3) (including PY185): 15 parts

Colorant dispersion (R5) (including PR238): 35 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Cd102>

In the same manner as in Example Ad102, except that the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 45.

· Polyester resin (1): 80 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 3 parts

・PR238 (manufactured by Fuji Color Co., Ltd., trade name: FujiFastCarmine580): 7 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Cd103>

Operated in the same manner as in Example Ad103, however, the yellow colorant PY155 was changed to PY185, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid was adjusted as follows to obtain the adjusted Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 45.

-Pigment dispersion (A)-

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

· Polyester resin (1): 80 parts

·Pigment dispersion (A) (including PY185): 15 parts

Pigment dispersion (B) (including PR238): 35 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Cd104>

[Preparation of Toner Particles]

In the same manner as in Example Cd1, the colorant dispersion (Other 1) was also used, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment became as described in Table 45, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 45.

<Example Cd105>

In the same manner as in Example Ad105, except that the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 45.

· Polyester resin (1): 60 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 3 parts

・PR238 (manufactured by Fuji Color Co., Ltd., trade name: FujiFastCarmine580): 7 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts ・Silicon dioxide (Nippon Aerosil Co., Ltd. RX50): 20 parts

<Example Cd106>

In the same manner as in Example Ad106, except that the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 45.

・Polyester resin (1): 59 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 3 parts

・PR238 (manufactured by Fuji Color Co., Ltd., trade name: FujiFastCarmine580): 7 servings

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 45】

(Examples 7, 101, 102...in Table 45 represent Examples Cd7, Cd101, Cd102....)

<<Example Dd, Comparative Example Dd>>

<Examples Dd1 to Dd17 and Comparative Examples Dd1 to Dd31>

[Preparation of toner and developer]

Operated in the same manner as in Example Ad1, however, the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the resin particle dispersion and the resin particle dispersion were adjusted so that the respective contents of PY185 and PR146 were as described in Table 46. Each amount of the colorant dispersion was obtained to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 47.

【Table 46】

(Examples 1, 2, ... in Table 46 represent Examples Dd1, Dd2, .... The same applies to Comparative Examples.)

【Table 47】

In Examples Dd1 to Dd17, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 199C was obtained.

In addition, in Examples Dd1 to Dd2, Dd4 to Dd7, Dd9 to Dd12, and Dd15 to Dd16, ΔE is 8 or less, and an image with better color reproducibility of PANTONE 199C can be obtained.

<Example Dd101>

In the same manner as in Example Ad101, except that the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted as follows to obtain toner particles , and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 48.

· Resin particle dispersion (2): 407.5 parts

Colorant dispersion (Y3) (including PY185): 10 parts

Colorant dispersion (R6) (including PR146): 32.5 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Dd102>

In the same manner as in Example Ad102, except that the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted as follows to obtain toner particles , and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 48.

・Polyester resin (1): 81.5 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 2 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 6.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Dd103>

Operate in the same manner as in Example Ad103, however, the red colorant PR238 is changed to PR146, the yellow colorant PY155 is changed to PY185, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid becomes as follows The method is adjusted to obtain toner particles, and the toner and developer are further prepared. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 48.

-Pigment dispersion (A)-

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

・Polyester resin (1): 81.5 parts

·Pigment dispersion (A) (including PY185): 10 parts

· Pigment dispersion (B) (including PR146): 32.5 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Dd104>

[Preparation of Toner Particles]

In the same manner as in Example Dd1, the colorant dispersion (Other 1) was also used, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment was as described in Table 48, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 48.

<Example Dd105>

In the same manner as Example Ad105, except that the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted as follows to obtain toner particles , and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 48.

・Polyester resin (1): 61.5 parts ・PY185 (manufactured by BASF Corporation, brand name: Palitol Yellow D1155): 2 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 6.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Dd106>

In the same manner as in Example Ad106, except that the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted as follows to obtain toner particles , and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ad1. The results are shown in Table 48.

・Polyester resin (1): 60.5 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 2 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 6.5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 48】

(Examples 6, 101, 102...in Table 48 represent examples Dd6, Dd101, Dd102....)

[Example Ae, Be, Ce, De, Comparative Example Ae, Be, Ce, De]

Below, unless otherwise stated, "parts" are based on mass.

＜Measuring methods of physical properties＞

The measuring method of each physical property is identical with the content described in embodiment Aa, Ba, Ca, Da, comparative example Aa, Ba, Ca, Da.

<<Example Ae, Comparative Example Ae>>

<Example Ae1>

[Preparation of Toner Particles]

·Resin particle dispersion (1): 417.5 parts

Colorant dispersion (Y1) (including PY74): 12.5 parts

Colorant dispersion (R1) (including PR48:1): 20 parts

· Release agent dispersion (1): 50 parts · Anionic surfactant (TaycaPower): 2 parts

A toner particle (Ae1) having a volume average particle diameter of 7.5 µm was obtained in the same manner as the toner particle (Aa1) except that the above material was formed.

[Preparation of externally added toner]

100 parts of toner particles (Ae1) and 0.7 parts of simethicone-treated silica particles (RY200 manufactured by Nippon Aerosil Co., Ltd.) were mixed with a Henschel mixer to obtain toner (Ae1).

[Preparation of developer]

5 parts of the toner (Ae1) were mixed with 100 parts of the carrier to obtain a developer (Ae1).

[Evaluation of color reproducibility]

The following operations, imaging, and measurements were all performed in an environment of temperature 25° C./humidity 60%.

DocuCentre Color 400 CP manufactured by Fuji Xerox Co., Ltd. was prepared as an image forming apparatus for forming an image for evaluation, and the developer (Ae1) was put in the developing device, and the toner (Ae1) was put in the toner cartridge.

Then, a monochromatic 100% density image (size 5 cm×5 cm, amount of toner 4.3 g/m ² ) was formed on a coated paper having a glossiness of 40% (OS Coated Paper W manufactured by Fuji Xerox Co., Ltd.).

The L ^* value, a ^* value, and b ^* value in the CIE1976L ^* a ^* b ^* colorimetric system of the formed image were randomly measured at 10 places using X-Rite939 (aperture 4 mm) manufactured by X-Rite Co., Ltd., and the L ^* value, Average value of a ^* value and b ^* value.

For PANTONE 166C (coated paper) of a commercially available color sample (PANTONE FORMULA GUIDE Solid Coated manufactured by PANTONE Corporation), the L ^* value, a ^* value, and b ^* value were also measured in the same manner as above, and the respective average values were calculated, and the result was L ₅ =50.81, a ₅ =57.08, b ₅ =49.78.

Then, based on the following formula, the color difference ΔE between the formed image and PANTONE 166C was calculated. The results are shown in Table 50.

【Number 3】

ΔE＝{(L ₅ －L ₆ ) ² +(a ₅ －a ₆ ) ² +(b ₅ －b ₆ ) ² } ^0.5

L ₅ , a ₅ , and b ₅ are L ^* values, a ^* values, and b ^* values of PANTONE166C, and L ₆ , _a6 , and _b6 are L ^* values, a ^* values, and b ^* values of images in Examples and Comparative Examples value.

<Examples Ae2 to Ae7 and Comparative Examples Ae1 to Ae23>

[Preparation of toner and developer]

In the same manner as in Example Ae1, however, the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the respective contents of PY74 and PR48:1 were as described in Table 49, to obtain toner particles, and further prepared toner particles. Toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 50.

【Table 49】

(Examples 1, 2... in Table 49 represent Examples Ae1, Ae2.... The same applies to Comparative Examples.)

【Table 50】

In Examples Ae1 to Ae7, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 166C was obtained.

In addition, in Examples Ae1 to Ae2 and Ae4 to Ae5, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 166C was obtained.

<Example Ae101>

[Preparation of Toner Particles]

·Resin particle dispersion (2): 415 parts

Colorant dispersion (Y1) (including PY74): 15 parts

Colorant dispersion (R1) (including PR48:1): 20 parts

· Anti-sticking agent dispersion (1): 50 parts

A toner particle (Ae101) having a volume average particle diameter of 7.5 μm was obtained in the same manner as the toner particle (Aa101) except that the above-mentioned material was prepared.

[Preparation of externally added toner]

Toner (Ae101) was obtained in the same manner as in the preparation of toner (Ae1), except that toner particles (Ae101) were used instead of toner particles (Ae1).

[Preparation of developer]

A developer (Ae101) was obtained in the same manner as in the preparation of the developer (Ae1), except that the toner (Ae1) was replaced with the toner (Ae101).

[Evaluation of color reproducibility]

Using the toner (Ae101) and the developer (Ae101) instead of the toner (Ae1) and the developer (Ae1), the same evaluation as the evaluation of the color reproducibility in Example Ae1 was performed. The results are shown in Table 51.

<Example Ae102>

[Preparation of Toner Particles]

· Polyester resin (1): 83 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR48:1 (manufactured by DIC Corporation, trade name: SymulerRed3109): 4 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then classified into fine and coarse particles by an air classifier to obtain toner particles (A102) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ae102) was obtained in the same manner as in the preparation of toner (Ae1), except that toner particles (Ae102) were used instead of toner particles (Ae1).

[Preparation of developer]

A developer (Ae102) was obtained in the same manner as the preparation of the developer (Ae1), except that the toner (Ae102) was used instead of the toner (Ae1).

[Evaluation of color reproducibility]

Using the toner (Ae102) and the developer (Ae102) instead of the toner (Ae1) and the developer (Ae1), the same evaluation as the evaluation of the color reproducibility in Example Ae1 was performed. The results are shown in Table 51.

<Example Ae103>

[Preparation of Toner Particles]

-Pigment dispersion (A)-

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 20 parts

· Ethyl acetate: 80 parts

The above materials were dispersed with a sand mill to prepare a pigment dispersion (A).

-Pigment dispersion (B)-

・PR48:1 (manufactured by DIC Corporation, trade name: SymulerRed3109): 20 parts

· Ethyl acetate: 80 parts

The above-mentioned materials were dispersed with a sand mill to prepare a pigment dispersion (B).

- Release agent dispersion (A) -

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 20 parts

· Ethyl acetate: 80 parts

The above materials were dispersed with a DCP mill in a state cooled to 10° C. to prepare a release agent dispersion (A).

-C liquid-

· Polyester resin (1): 83 parts

·Pigment dispersion (A) (including PY74): 15 parts

·Pigment dispersion (B) (including PR48:1): 20 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

Mix and stir the above materials to make liquid C.

-D liquid-

Calcium carbonate dispersion (calcium carbonate: water = 40 parts: 60 parts): 124 parts

2% by mass aqueous solution of Cellogen BS-H (manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 99 parts

·Water: 277 parts

Mix and stir the above materials to make liquid D.

500 parts of liquid C and 500 parts of liquid D were mixed and stirred to obtain a suspension, which was stirred with a propeller stirrer for 48 hours to remove the solvent. Then, hydrochloric acid was added to remove calcium carbonate, washed with water, dried, and classified to obtain toner particles (Ae103) having a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ae103) was obtained in the same manner as in the preparation of toner (Ae1), except that toner particles (Ae103) were used instead of toner particles (Ae1).

[Preparation of developer]

A developer (Ae103) was obtained in the same manner as the preparation of the developer (Ae1), except that the toner (Ae103) was used instead of the toner (Ae1).

[Evaluation of color reproducibility]

Using the toner (Ae103) and the developer (Ae103) instead of the toner (Ae1) and the developer (Ae1), the same evaluation as the evaluation of the color reproducibility in Example Ae1 was performed. The results are shown in Table 51.

<Example Ae104>

[Preparation of Toner Particles]

In the same manner as in Example Ae1, but also using the colorant dispersion (Other 1), the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment became as described in Table 51, and the adjusted Toner particles (Ae104).

[Preparation of externally added toner]

Toner (Ae104) was obtained in the same manner as in the preparation of toner (Ae1), except that toner particles (Ae104) were used instead of toner particles (Ae1).

[Preparation of developer]

A developer (Ae104) was obtained in the same manner as the preparation of the developer (Ae1), except that the toner (Ae104) was used instead of the toner (Ae1).

[Evaluation of color reproducibility]

Using the toner (Ae104) and the developer (Ae104) instead of the toner (Ae1) and the developer (Ae1), the same evaluation as the evaluation of the color reproducibility in Example Ae1 was performed. The results are shown in Table 51.

<Example Ae105>

[Preparation of Toner Particles]

・Polyester resin (1): 63 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR48:1 (manufactured by DIC Corporation, trade name: SymulerRed3109): 4 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then classified into fine and coarse particles by an air classifier to obtain toner particles (Ae105) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ae105) was obtained in the same manner as in the preparation of toner (Ae1), except that toner particles (Ae105) were used instead of toner particles (Ae1).

[Preparation of developer]

A developer (Ae105) was obtained in the same manner as the preparation of the developer (Ae1), except that the toner (Ae105) was used instead of the toner (Ae1).

[Evaluation of color reproducibility]

Using the toner (Ae105) and the developer (Ae105) instead of the toner (Ae1) and the developer (Ae1), the same evaluation as the evaluation of the color reproducibility in Example Ae1 was performed. The results are shown in Table 51.

<Example Ae106>

[Preparation of Toner Particles]

・Polyester resin (1): 62 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR48:1 (manufactured by DIC Corporation, trade name: SymulerRed3109): 4 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then classified into fine and coarse particles by an air classifier to obtain toner particles (Ae106) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Ae106) was obtained in the same manner as in the preparation of toner (Ae1), except that toner particles (Ae106) were used instead of toner particles (Ae1).

[Preparation of developer]

A developer (Ae106) was obtained in the same manner as the preparation of the developer (Ae1), except that the toner (Ae106) was used instead of the toner (Ae1).

[Evaluation of color reproducibility]

Using the toner (Ae106) and the developer (Ae106) instead of the toner (Ae1) and the developer (Ae1), the same evaluation as the evaluation of the color reproducibility in Example Ae1 was performed. The results are shown in Table 51.

【Table 51】

(Examples 5, 101, 102...in Table 51 represent Examples Ae5, Ae101, Ae102....)

<<Example Be, Comparative Example Be>>

<Examples Be1 to Be11 and Comparative Examples Be1 to Be31>

[Preparation of toner and developer]

In the same manner as in Example Ae1, the red colorant PR48:1 was changed to PR48:3, and the resin particle dispersion and the colorant dispersion were adjusted so that the respective contents of PY74 and PR48:3 were as described in Table 52. Each amount of the solution is obtained to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 53.

【Table 52】

(Examples 1, 2... in Table 52 represent Examples Be1, Be2.... The same applies to Comparative Examples.)

【Table 53】

In Examples Be1 to Be11, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 166C was obtained.

In addition, in Examples Be4 to Be5 and Be8 to Be9, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 166C was obtained.

<Example Be101>

In the same manner as in Example Ae101, except that the red colorant PR48:1 was changed to PR48:3, and the composition of the toner particles was adjusted as follows, to obtain toner particles, and further prepare toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 54.

·Resin particle dispersion (2): 415 parts

Colorant dispersion (Y1) (including PY74): 15 parts

Colorant dispersion (R2) (including PR48:3): 20 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Be102>

In the same manner as in Example Ae102, except that the red colorant PR48:1 was changed to PR48:3, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and to further prepare a toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 54.

· Polyester resin (1): 83 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR48:3 (manufactured by Fuji Color Co., Ltd., trade name: FujiRed5R763): 4 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Be103>

In the same manner as Example Ae103, however, the red colorant PR48:1 was changed to PR48:3, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid was as follows Adjust to obtain toner particles, and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 54.

-Pigment dispersion (A)-

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR48:3 (manufactured by Fuji Color Co., Ltd., trade name: FujiRed5R763): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

· Polyester resin (1): 83 parts

·Pigment dispersion (A) (including PY74): 15 parts

·Pigment dispersion (B) (including PR48:3): 20 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Be104>

[Preparation of Toner Particles]

In the same manner as in Example Be1, but also using the colorant dispersion (Other 1), the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment became as described in Table 54 to obtain a toned Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 54.

<Example Be105>

In the same manner as in Example Ae105, except that the red colorant PR48:1 was changed to PR48:3, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and to further prepare a toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 54.

・Polyester resin (1): 63 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR48:3 (manufactured by Fuji Color Co., Ltd., trade name: FujiRed5R763): 4 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Be106>

In the same manner as in Example Ae106, except that the red colorant PR48:1 was changed to PR48:3, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and to further prepare a toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 54.

・Polyester resin (1): 62 parts

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 3 parts

・PR48:3 (manufactured by Fuji Color Co., Ltd., trade name: FujiRed5R763): 4 servings

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 54】

(Examples 4, 101, 102...in Table 54 represent Examples Be4, Be101, Be102....)

<<Example Ce, Comparative Example Ce>>

<Examples Ce1-Ce16 and Comparative Examples Ce1-Ce33>

[Preparation of toner and developer]

In the same manner as in Example Ae1, the red colorant PR48:1 was changed to PR57:1, and the resin particle dispersion and colorant dispersion were adjusted so that the respective contents of PY74 and PR57:1 became as described in Table 55. Each amount of the solution is obtained to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 56.

【Table 55】

(Examples 1, 2, ... in Table 55 represent Examples Ce1, Ce2, .... The same applies to Comparative Examples.)

【Table 56】

In Examples Ce1 to Ce16, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 166C was obtained.

In addition, in Examples Ce3-Ce6, Ce8-Ce11, and Ce13-Ce15, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 166C was obtained.

<Example Ce101>

In the same manner as in Example Ae101, except that the red colorant PR48:1 was changed to PR57:1, and the composition of the toner particles was adjusted as follows, to obtain toner particles and further prepare toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 57.

·Resin particle dispersion (2): 397.5 parts

Colorant dispersion (Y1) (including PY74): 25 parts

Colorant dispersion (R3) (including PR57:1): 27.5 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Ce102>

In the same manner as in Example Ae102, except that the red colorant PR48:1 was changed to PR57:1, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and to further prepare a toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 57.

・Polyester resin (1): 79.5 parts

・PY74 (manufactured by Clariant, brand name: HansaYellow5GX01): 5 parts

・PR57:1 (manufactured by Fuji Color Co., Ltd., trade name: FujiCarmine6BNo.50): 5.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Ce103>

In the same manner as Example Ae103, however, the red colorant PR48:1 was changed to PR57:1, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid was as follows Adjust to obtain toner particles, and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 57.

-Pigment dispersion (A)-

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR57:1 (manufactured by Fuji Color Co., Ltd., trade name: FujiCarmine6BNo.50): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

・Polyester resin (1): 79.5 parts

·Pigment dispersion (A) (including PY74): 25 parts

Pigment dispersion (B) (containing PR57:1): 27.5 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Ce104>

[Preparation of Toner Particles]

In the same manner as in Example Ce1, the colorant dispersion (Other 1) was also used, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment was as described in Table 57, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 57.

<Example Ce105>

In the same manner as in Example Ae105, except that the red colorant PR48:1 was changed to PR57:1, and the composition of the toner particles was adjusted as follows, to obtain toner particles, and further prepare toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 57.

・Polyester resin (1): 59.5 parts

・PY74 (manufactured by Clariant, brand name: HansaYellow5GX01): 5 parts

・PR57:1 (manufactured by Fuji Color Co., Ltd., trade name: FujiCarmine6BNo.50): 5.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Ce106>

In the same manner as in Example Ae106, except that the red colorant PR48:1 was changed to PR57:1, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and to further prepare a toner agent and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 57.

・Polyester resin (1): 58.5 parts

・PY74 (manufactured by Clariant, brand name: HansaYellow5GX01): 5 parts

・PR57:1 (manufactured by Fuji Color Co., Ltd., trade name: FujiCarmine6BNo.50): 5.5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 57】

(Examples 9, 101, 102...in Table 57 represent examples Ce9, Ce101, Ce102....)

<<Example De, Comparative Example De>>

<Examples De1 to De16 and Comparative Examples De1 to De32>

[Preparation of toner and developer]

Operated in the same manner as in Example Ae1, however, the red colorant PR48:1 was changed to PR184, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the respective contents of PY74 and PR184 were as described in Table 58 , obtain toner particles, and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 59.

【Table 58】

(Examples 1, 2, ... in Table 58 represent Examples De1, De2, .... The same applies to Comparative Examples.)

【Table 59】

In Examples De1 to De16, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 166C was obtained.

In addition, in Examples De2, De4 to De7, and De9 to De15, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 166C was obtained.

<Example De101>

In the same manner as in Example Ae101, however, the red colorant PR48:1 was changed to PR184, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 60.

·Resin particle dispersion (2): 397.5 parts

Colorant dispersion (Y1) (including PY74): 25 parts

Colorant dispersion (R4) (including PR184): 27.5 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example De102>

In the same manner as in Example Ae102, however, the red colorant PR48:1 was changed to PR184, and the composition of the toner particles was adjusted as follows to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 60.

・Polyester resin (1): 79.5 parts

・PY74 (manufactured by Clariant, brand name: HansaYellow5GX01): 5 parts

・PR184 (manufactured by Clariant, trade name: Toner Magenta F8B): 5.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example De103>

The same operation as in Example Ae103 was performed, but the red colorant PR48:1 was changed to PR184, and the composition of the pigment dispersion liquid (A), the pigment dispersion liquid (B) and the C liquid was adjusted as follows , obtain toner particles, and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 60.

-Pigment dispersion (A)-

・PY74 (manufactured by Clariant, trade name: HansaYellow5GX01): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR184 (manufactured by Clariant, brand name: Toner Magenta F8B): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

・Polyester resin (1): 79.5 parts

·Pigment dispersion (A) (including PY74): 25 parts

Pigment dispersion (B) (including PR184): 27.5 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example De104>

[Preparation of Toner Particles]

In the same manner as in Example De1, but also using the colorant dispersion (Other 1), and adjusting the respective amounts of the resin particle dispersion and the colorant dispersion so that the content of each pigment becomes as described in Table 60, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 60.

<Example De105>

In the same manner as in Example Ae105, except that the red colorant PR48:1 was changed to PR184, and the composition of the toner particles was adjusted as follows to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 60.

・Polyester resin (1): 59.5 parts

・PY74 (manufactured by Clariant, brand name: HansaYellow5GX01): 5 parts

・PR184 (manufactured by Clariant, trade name: Toner Magenta F8B): 5.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example De106>

In the same manner as in Example Ae106, however, the red colorant PR48:1 was changed to PR184, and the composition of the toner particles was adjusted as follows to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Ae1. The results are shown in Table 60.

・Polyester resin (1): 58.5 parts

・PY74 (manufactured by Clariant, brand name: HansaYellow5GX01): 5 parts

・PR184 (manufactured by Clariant, trade name: Toner Magenta F8B): 5.5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 60】

(Examples 10, 101, 102...in Table 60 represent Examples De10, De101, De102....)

[Example Af, Bf, Cf, Df, Comparative Example Af, Bf, Cf, Df]

Below, unless otherwise stated, "parts" are based on mass.

＜Measuring methods of physical properties＞

The measuring method of each physical property is identical with the content described in embodiment Aa, Ba, Ca, Da, comparative example Aa, Ba, Ca, Da.

<<Example Af, Comparative Example Af>>

<Example Af1>

[Preparation of Toner Particles]

· Resin particle dispersion (1): 402.5 parts

Colorant dispersion (Y2) (including PY155): 22.5 parts

Colorant dispersion (R5) (including PR238): 25 parts

· Release agent dispersion (1): 50 parts · Anionic surfactant (TaycaPower): 2 parts

A toner particle (Af1) having a volume average particle diameter of 7.5 µm was obtained in the same manner as the toner particle (Aa1) except that the above material was formed.

[Preparation of externally added toner]

100 parts of toner particles (Af1) and 0.7 parts of simethicone-treated silica particles (RY200 manufactured by Nippon Aerosil Co., Ltd.) were mixed with a Henschel mixer to obtain toner (Af1).

[Preparation of developer]

5 parts of the toner (Af1) were mixed with 100 parts of the above carrier to obtain a developer (Af1).

[Evaluation of color reproducibility]

The following operations, imaging, and measurements were all performed in an environment of temperature 25° C./humidity 60%.

DocuCentre Color 400 CP manufactured by Fuji Xerox Co., Ltd. was prepared as an image forming apparatus for forming an image for evaluation, and the developer (Af1) was put in the developing device, and the toner (Af1) was put in the toner cartridge.

Then, a monochromatic 100% density image (size 5 cm×5 cm, amount of toner 4.3 g/m ² ) was formed on a coated paper having a glossiness of 40% (OS Coated Paper W manufactured by Fuji Xerox Co., Ltd.).

The L ^* value, a ^* value, and b ^* value in the CIE1976L ^* a ^* b ^* colorimetric system of the formed image were randomly measured at 10 places using X-Rite939 (aperture 4 mm) manufactured by X-Rite Co., Ltd., and the L ^* value, Average value of a ^* value and b ^* value.

For PANTONE166C (coated paper) of a commercially available color sample (PANTONE FORMULA GUIDE Solid Coated manufactured by PANTONE Corporation), the L ^* value, a ^* value, and b ^* value were also measured in the same manner as above, and the respective average values were calculated, and the result was L ₅ =50.81, a ₅ =57.08, b ₅ =49.78.

Then, the color difference ΔE between the formed image and PANTONE 166C was calculated based on the following formula. The results are shown in Table 62.

【Number 3】

ΔE＝{(L ₅ －L ₆ ) ² +(a ₅ －a ₆ ) ² +(b ₅ －b ₆ ) ² } ^0.5

L ₅ , a ₅ , and b ₅ are L ^* values, a ^* values, and b ^* values of PANTONE166C, and L ₆ , _a6 , and _b6 are L ^* values, a ^* values, and b ^* values of images in Examples and Comparative Examples value.

<Examples Af2 to Af18 and Comparative Examples Af1 to Af38>

[Preparation of toner and developer]

In the same manner as in Example Af1, except that the respective amounts of the resin particle dispersion liquid and the colorant dispersion liquid were adjusted so that the respective contents of PY155 and PR238 were as described in Table 61, toner particles were obtained, and a toner was further prepared. and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 62.

【Table 61】

(Examples 1, 2... in Table 61 represent Examples Af1, Af2.... The same applies to Comparative Examples.)

【Table 62】

In Examples Af1 to Af18, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 166C was obtained.

In addition, in Examples Af3 to Af5 and Af8 to Af15, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 166C was obtained.

<Example Af101>

[Preparation of Toner Particles]

·Resin particle dispersion (2): 392.5 parts

Colorant dispersion (Y2) (including PY155): 27.5 parts

Colorant dispersion (R5) (including PR238): 30 parts

· Anti-sticking agent dispersion (1): 50 parts

A toner particle (Af101) having a volume average particle diameter of 7.5 µm was obtained in the same manner as the toner particle (Aa101) except that the above material was prepared.

[Preparation of externally added toner]

A toner (Af101) was obtained in the same manner as the preparation of the toner (Af1), except that the toner particles (Af101) were used instead of the toner particles (Af1).

[Preparation of developer]

A developer (Af101) was obtained in the same manner as the preparation of the developer (Af1), except that the toner (Af1) was replaced with the toner (Af101).

[Evaluation of color reproducibility]

Using the toner (Af101) and the developer (Af101) instead of the toner (Af1) and the developer (Af1), the same evaluation as the evaluation of the color reproducibility in Example Af1 was performed. The results are shown in Table 63.

<Example Af102>

[Preparation of Toner Particles]

・Polyester resin (1): 78.5 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 5.5 parts

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 6 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then classified into fine and coarse particles by an air classifier to obtain toner particles (Af102) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

A toner (Af102) was obtained in the same manner as the preparation of the toner (Af1), except that the toner particles (Af1) were replaced with toner particles (Af102).

[Preparation of developer]

A developer (Af102) was obtained in the same manner as the preparation of the developer (Af1), except that the toner (Af102) was used instead of the toner (Af1).

[Evaluation of color reproducibility]

Using the toner (Af102) and the developer (Af102) instead of the toner (Af1) and the developer (Af1), the same evaluation as the evaluation of the color reproducibility in Example Af1 was performed. The results are shown in Table 63.

<Example Af103>

[Preparation of Toner Particles]

-Pigment dispersion (A)-

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 20 parts

· Ethyl acetate: 80 parts

The above materials were dispersed with a sand mill to prepare a pigment dispersion (A).

-Pigment dispersion (B)-

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 20 parts

· Ethyl acetate: 80 parts

The above-mentioned materials were dispersed with a sand mill to prepare a pigment dispersion (B).

- Release agent dispersion (A) -

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 20 parts

· Ethyl acetate: 80 parts

The above materials were dispersed with a DCP mill in a state cooled to 10° C. to prepare a release agent dispersion (A).

-C liquid-

・Polyester resin (1): 78.5 parts

·Pigment dispersion (A) (including PY155): 27.5 parts

·Pigment dispersion (B) (including PR238): 30 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

Mix and stir the above materials to make liquid C.

-D liquid-

Calcium carbonate dispersion (calcium carbonate: water = 40 parts: 60 parts): 124 parts

2% by mass aqueous solution of Cellogen BS-H (manufactured by Daiichi Kogyo Pharmaceutical Co., Ltd.): 99 parts

·Water: 277 parts

Mix and stir the above materials to make liquid D.

500 parts of liquid C and 500 parts of liquid D were mixed and stirred to obtain a suspension, which was stirred with a propeller stirrer for 48 hours to remove the solvent. Then, hydrochloric acid was added to remove calcium carbonate, washed with water, dried, and classified to obtain toner particles (Af103) having a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Af103) was obtained in the same manner as in the preparation of toner (Af1), except that toner particles (Af103) were used instead of toner particles (Af1).

[Preparation of developer]

A developer (Af103) was obtained in the same manner as the preparation of the developer (Af1), except that the toner (Af103) was used instead of the toner (Af1).

[Evaluation of color reproducibility]

Using the toner (Af103) and the developer (Af103) instead of the toner (Af1) and the developer (Af1), the same evaluation as the evaluation of the color reproducibility in Example Af1 was performed. The results are shown in Table 63.

<Example Af104>

[Preparation of Toner Particles]

In the same manner as in Example Af1, the colorant dispersion (Other 1) was also used, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment was as described in Table 63 to obtain Toner particles (Af104).

[Preparation of externally added toner]

Toner (Af104) was obtained in the same manner as in the preparation of toner (Af1), except that toner particles (Af104) were used instead of toner particles (Af1).

[Preparation of developer]

A developer (Af104) was obtained in the same manner as the preparation of the developer (Af1), except that the toner (Af104) was used instead of the toner (Af1).

[Evaluation of color reproducibility]

Using the toner (Af104) and the developer (Af104) instead of the toner (Af1) and the developer (Af1), the same evaluation as the evaluation of the color reproducibility in Example Af1 was performed. The results are shown in Table 63.

<Example Af105>

[Preparation of Toner Particles]

・Polyester resin (1): 58.5 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 5.5 parts

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 6 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then classified into fine and coarse particles by an air classifier to obtain toner particles (Af105) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

A toner (Af105) was obtained in the same manner as the preparation of the toner (Af1), except that the toner particles (Af105) were used instead of the toner particles (Af1).

[Preparation of developer]

A developer (Af105) was obtained in the same manner as the preparation of the developer (Af1), but using the toner (Af105) instead of the toner (Af1).

[Evaluation of color reproducibility]

Using the toner (Af105) and the developer (Af105) instead of the toner (Af1) and the developer (Af1), the same evaluation as the evaluation of the color reproducibility in Example Af1 was performed. The results are shown in Table 63.

<Example Af106>

[Preparation of Toner Particles]

・Polyester resin (1): 57.5 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 5.5 parts

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 6 servings

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

The above materials were kneaded by an extruder, pulverized by a surface pulverizer, and then classified into fine and coarse particles by an air classifier to obtain toner particles (Af106) with a volume average particle diameter of 7.5 μm.

[Preparation of externally added toner]

Toner (Af106) was obtained in the same manner as the preparation of toner (Af1), except that toner particles (Af106) were used instead of toner particles (Af1).

[Preparation of developer]

A developer (Af106) was obtained in the same manner as the preparation of the developer (Af1), but using the toner (Af106) instead of the toner (Af1).

[Evaluation of color reproducibility]

Using the toner (Af106) and the developer (Af106) instead of the toner (Af1) and the developer (Af1), the same evaluation as the evaluation of the color reproducibility in Example Af1 was performed. The results are shown in Table 63.

【Table 63】

(Examples 9, 101, 102...in Table 63 represent Examples Af9, Af101, Af102....)

<<Example Bf, Comparative Example Bf>>

<Examples Bf1 to Bf17 and Comparative Examples Bf1 to Bf31>

[Preparation of toner and developer]

Operated in the same manner as in Example Af1, however, the red colorant PR238 was changed to PR146, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the respective contents of PY155 and PR146 became as described in Table 64, Toner particles are obtained, and toner and developer are further prepared. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 65.

【Table 64】

(Examples 1, 2, ... in Table 64 represent Examples Bf1, Bf2, .... The same applies to Comparative Examples.)

【Table 65】

In Examples Bf1 to Bf17, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 166C was obtained.

In addition, in Examples Bf2 to Bf3, Bf6 to Bf9, Bf11 to Bf13, and Bf15 to Bf16, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE166C was obtained.

<Example Bf101>

In the same manner as in Example Af101, except that the red colorant PR238 was changed to PR146, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 66.

·Resin particle dispersion (2): 400 parts

Colorant dispersion (Y2) (including PY155): 22.5 parts

Colorant dispersion (R6) (including PR146): 27.5 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Bf102>

In the same manner as in Example Af102, except that the red colorant PR238 was changed to PR146, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 66.

· Polyester resin (1): 80 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 4.5 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 5.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Bf103>

Operated in the same manner as in Example Af103, however, the red colorant PR238 was changed to PR146, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid was adjusted as follows to obtain the adjusted Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 66.

-Pigment dispersion (A)-

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

· Polyester resin (1): 80 parts

Pigment dispersion (A) (including PY155): 22.5 parts

· Pigment dispersion (B) (including PR146): 27.5 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Bf104>

[Preparation of Toner Particles]

In the same manner as in Example Bf1, the colorant dispersion (Other 1) was also used, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment became as described in Table 66, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 66.

<Example Bf105>

In the same manner as in Example Af105, except that the red colorant PR238 was changed to PR146, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 66.

· Polyester resin (1): 60 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow3GP): 4.5 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 5.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Bf106>

In the same manner as in Example Af106, except that the red colorant PR238 was changed to PR146, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 66.

・Polyester resin (1): 59 parts

・PY155 (manufactured by Clariant, trade name: TonerYellow 3GP): 4.5 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 5.5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 66】

(Examples 7, 101, 102...in Table 66 represent Examples Bf7, Bf101, Bf102....)

<<Example Cf, Comparative Example Cf>>

<Examples Cf1 to Cf21 and Comparative Examples Cf1 to Cf42>

[Preparation of toner and developer]

In the same manner as in Example Af1, however, the yellow colorant PY155 was changed to PY185, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the respective contents of PY185 and PR238 were as described in Table 67, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 68.

【Table 67】

(Examples 1, 2, ... in Table 67 represent Examples Cf1, Cf2, .... The same applies to Comparative Examples.)

【Table 68】

In Examples Cf1 to Cf13, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 166C was obtained.

In addition, in Examples Cf5 to Cf7, Cf10 to Cf13, and Cf15 to Cf17, ΔE was 8 or less, and an image more excellent in color reproducibility of PANTONE 166C was obtained.

<Example Cf101>

In the same manner as in Example Af101, except that the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 69.

·Resin particle dispersion (2): 392.5 parts

Colorant dispersion (Y3) (including PY185): 27.5 parts

Colorant dispersion (R5) (including PR238): 30 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Cf102>

In the same manner as in Example Af102, except that the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 69.

・Polyester resin (1): 78.5 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 5.5 parts

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 6 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Cf103>

Operated in the same manner as in Example Af103, however, the yellow colorant PY155 was changed to PY185, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid was adjusted as follows to obtain the adjusted Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 69.

-Pigment dispersion (A)-

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

・Polyester resin (1): 78.5 parts

·Pigment dispersion (A) (including PY185): 27.5 parts

·Pigment dispersion (B) (including PR238): 30 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Cf104>

[Preparation of Toner Particles]

In the same manner as in Example Cf1, the colorant dispersion (Other 1) was also used, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment was as described in Table 69, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 69.

<Example Cf105>

In the same manner as in Example Af105, except that the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 69.

・Polyester resin (1): 58.5 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 5.5 parts

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 6 servings

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Cf106>

In the same manner as in Example Af106, except that the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted so that the composition of the toner particles was as follows, to obtain toner particles, and further prepare a toner and a developer . The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 69.

・Polyester resin (1): 57.5 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 5.5 parts

・PR238 (manufactured by Fuji Color Co., Ltd., brand name: FujiFastCarmine580): 6 servings

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 69】

(Examples 11, 101, 102...in Table 69 represent examples Cf11, Cf101, Cf102....)

<<Example Df, Comparative Example Df>>

<Examples Df1 to Df13 and Comparative Examples Df1 to Df41>

[Preparation of toner and developer]

Operated in the same manner as in Example Af1, however, the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the resin particle dispersion and the resin particle dispersion were adjusted so that the respective contents of PY185 and PR146 were as described in Table 70 Each amount of the colorant dispersion was obtained to obtain toner particles, and further prepared toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 71.

【Table 70】

(Examples 1, 2... in Table 70 represent Examples Df1, Df2.... The same applies to Comparative Examples.)

【Table 71】

In Examples Df1 to Df13, ΔE was 10 or less, and an image excellent in color reproducibility of PANTONE 166C was obtained.

In addition, in Examples Df2 to Df3, Df5 to Df8, Df10 to Df13, and Df16 to Df17, ΔE was 8 or less, and an image with better color reproducibility of PANTONE166C was obtained.

<Example Df101>

In the same manner as in Example Af101, except that the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted as follows to obtain toner particles , and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 72.

·Resin particle dispersion (2): 400 parts

Colorant dispersion (Y3) (including PY185): 22.5 parts

Colorant dispersion (R6) (including PR146): 27.5 parts

· Anti-sticking agent dispersion (1): 50 parts

<Example Df102>

In the same manner as in Example Af102, except that the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted as follows to obtain toner particles , and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 72.

· Polyester resin (1): 80 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 4.5 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 5.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

<Example Df103>

Operate in the same manner as in Example Af103, however, the red colorant PR238 is changed to PR146, the yellow colorant PY155 is changed to PY185, and the composition of the pigment dispersion liquid (A), pigment dispersion liquid (B) and C liquid becomes as follows The method is adjusted to obtain toner particles, and the toner and developer are further prepared. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 72.

-Pigment dispersion (A)-

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 20 parts

· Ethyl acetate: 80 parts

-Pigment dispersion (B)-

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 20 parts

· Ethyl acetate: 80 parts

-C liquid-

· Polyester resin (1): 80 parts

·Pigment dispersion (A) (including PY185): 22.5 parts

· Pigment dispersion (B) (including PR146): 27.5 parts

· Release agent dispersion (A): 50 parts

· Ethyl acetate: 325.6 parts

<Example Df104>

[Preparation of Toner Particles]

In the same manner as in Example Df1, the colorant dispersion (Other 1) was also used, and the respective amounts of the resin particle dispersion and the colorant dispersion were adjusted so that the content of each pigment became as described in Table 72, to obtain Toner particles, further preparation of toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 72.

<Example Df105>

In the same manner as in Example Af105, except that the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted as follows to obtain toner particles , and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 72.

· Polyester resin (1): 60 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 4.5 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 5.5 parts

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

<Example Df106>

In the same manner as in Example Af106, except that the red colorant PR238 was changed to PR146, the yellow colorant PY155 was changed to PY185, and the composition of the toner particles was adjusted as follows to obtain toner particles , and further prepare toner and developer. The obtained toner and developer were evaluated in the same manner as the evaluation of color reproducibility in Example Af1. The results are shown in Table 72.

・Polyester resin (1): 59 parts

・PY185 (manufactured by BASF Corporation, trade name: Palitol Yellow D1155): 4.5 parts

・PR146 (manufactured by Clariant, trade name: PermanentCarmineFBB02): 5.5 parts

・PR122 (CHROMO Fine Magenta 6887 manufactured by Dainichi Seika Co., Ltd.): 1 part

・Paraffin (Nippon Seisaku Co., Ltd. HNP-9): 10 parts

・Silicon dioxide (RX50 manufactured by Nippon Aerosil Co., Ltd.): 20 parts

【Table 72】

(Examples 7, 101, 102...in Table 72 represent examples Df7, Df101, Df102....)

Claims (4)

1. A toner for developing an electrostatic image, comprising toner particles,

the toner particles contain at least a binder resin, c.i. pigment yellow 74 as a yellow colorant, and at least 1 red colorant selected from the group consisting of c.i. pigment red 48,

When c.i. pigment yellow 74 is contained as a yellow colorant and c.i. pigment red 48 is contained as a red colorant, the content of each colorant satisfies any one of the following (A1-1) to (A1-3): (A1-1) the C.I. pigment yellow 74 is 2.25 mass% or more and less than 2.75 mass%, and the C.I. pigment red 48,

when c.i. pigment yellow 74 is contained as a yellow colorant and c.i. pigment red 48 is contained as a red colorant, the content of each colorant satisfies any one of the following (B1-1) to (B1-4): (B1-1) the c.i. pigment yellow 74 is 2.25 mass% or more and less than 2.75 mass%, and the c.i. pigment red 48,

When c.i. pigment yellow 74 is contained as a yellow colorant and c.i. pigment red 57 is contained as a red colorant, the content of each colorant satisfies any one of the following (C1-1) to (C1-4): (C1-1) 3.75% by mass or more and less than 4.25% by mass of c.i. pigment yellow 74, and 4.25% by mass or more and less than 5.25% by mass of c.i. pigment red 57:1 is 4.25 mass% or more and less than 6.25 mass%, (C1-3) c.i. pigment yellow 74 is 4.75 mass% or more and less than 5.25 mass%, and c.i. pigment red 57,

when c.i. pigment yellow 74 is contained as a yellow colorant and c.i. pigment red 184 is contained as a red colorant, the content of each colorant satisfies any one of the following (D1-1) to (D1-4): (D1-1) 3.75% by mass or more and less than 4.25% by mass of c.i. pigment yellow 74, and 4.25% by mass or more and less than 5.75% by mass of c.i. pigment red 184, (D1-2) 4.25% by mass or more and less than 4.75% by mass of c.i. pigment yellow 74, and 4.25% by mass or more and less than 6.25% by mass of c.i. pigment red 184, (D1-3) 4.75% by mass or more and less than 5.25% by mass of c.i. pigment yellow 74, and 4.25% by mass or more and less than 6.75% by mass of c.i. pigment red 184, (D1-4) 5.25% by mass or more and less than 5.75% by mass of c.i. pigment yellow 74, and 5.25% by mass or more and less than 7.25% by mass of c.i. pigment red 184; or

The toner particles contain at least a binder resin, at least 1 yellow colorant selected from the group consisting of C.I. pigment yellow 155 and C.I. pigment yellow 185, and at least 1 red colorant selected from the group consisting of C.I. pigment Red 238 and C.I. pigment Red 146,

coated paper with 40% glossinessOn the formed toner load T (g/m) ² ) In the case of an image satisfying the expression "T =4 XD/7 (wherein D represents a value obtained by dividing a unit of length by a volume average particle diameter (μm)) of the toner particles, the color difference Δ E with respect to PANTONE166C obtained by the following expression is 10 or less,

[ number 3 ]

ΔE＝{(L ₅ －L ₆ ) ² +(a ₅ －a ₆ ) ² +(b ₅ －b ₆ ) ² } ^0.5

In the above formula, L is ₅ 、a ₅ And b ₅ L of PANTONE166C each ^＊ Value a ^＊ Value and b ^＊ The value obtained by measuring the color sample PANTONE166C with a reflection spectrodensitometer; l above ₆ 、a ₆ And b ₆ L of the images formed by the toner for developing electrostatic images ^＊ Value a ^＊ Value and b ^＊ The value is obtained by measuring the image with the reflection spectrodensitometer.

2. An electrostatic image developer comprising the toner for developing an electrostatic image according to claim 1.

3. A toner cartridge containing the electrostatic image developing toner according to claim 1 and being detachable from an image forming apparatus.

4. A process cartridge containing the electrostatic image developer according to claim 2, having a developing member for developing an electrostatic image formed on a surface of an image holding member into a toner image with the electrostatic image developer, and being detachable from an image forming apparatus.

Images