CN103969975A - Color Matching Agent, Developing Agent And Image Foring Device - Google Patents
Color Matching Agent, Developing Agent And Image Foring Device Download PDFInfo
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- CN103969975A CN103969975A CN201410039065.7A CN201410039065A CN103969975A CN 103969975 A CN103969975 A CN 103969975A CN 201410039065 A CN201410039065 A CN 201410039065A CN 103969975 A CN103969975 A CN 103969975A
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- toner
- inorganic filler
- agent
- electrostatic latent
- latent image
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/097—Plasticisers; Charge controlling agents
- G03G9/09708—Inorganic compounds
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G9/00—Developers
- G03G9/08—Developers with toner particles
- G03G9/087—Binders for toner particles
- G03G9/08702—Binders for toner particles comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- G03G9/08724—Polyvinylesters
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- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Developing Agents For Electrophotography (AREA)
Abstract
The invention provides a color matching agent with good storage performance, low-temperature photographic fixing performance and small grey mist. Besides, the invention also provides the color machine agent with low cost and good productivity. The color matching agent used for developing static images is made from a material containing bonding resin, a colorant agent and an inorganic filler. The inorganic filler is selected from calcium carbonate, kaolin, talc, barium sulfate and the like. The color matching agent is characterized in that the glass-transition temperature of the color matchin agent is in a range of 50 to 58 DEG C and the content of the inorganic filler is 1 to 10 parts by weight relative to 100 parts of color matching agent by weight. A part of the inorganic filler is on the surface of the matrix particles of the color matching agent. The proportion of the inorganic filler on the surface of the matrix particles of the color matching agent is in a range of 5 to 40% relative to the content of the inorganic filler.
Description
Technical field
The present invention relates to toner for developing electrostatic latent image, electrostatic image development developer and the image processing system of the image quality excellence that the excellence such as keeping quality, low-temperature fixability and photographic fog etc. are few.
Background technology
In general the toner, using in duplicating machine, the printer etc. of electrofax mode is formed as the potpourri forming taking binding resin as major component and by many kinds of substances such as colorant, release agent, charge control agents.Crushed toner conventionally can be by by these starting material melting mixings, and to this melting mixing thing is pulverized, classification obtains wishing particle diameter toner.
Form in the starting material of toner, the ratio of binding resin accounts for 80～90 % by weight conventionally, and the major part of the composition in toner is plastics.In recent years, for plastic product, in order to reduce the burning disposal load in carrying capacity of environment and reduction discarded object and then reduction urban district etc., adopted and reduced as far as possible the content of plastics or the measure of use amount.As reducing the method for plastic content, for such as polybag etc., comprise the method etc. of adding wherein the such filling agent of calcium carbonate.In the method, owing to can expect the significantly cost of product in reducing plastic content, therefore, be the method using in many plastic products.
Similarly, for toner, if can use filling agent etc. to reduce binding resin or the raw-material use amount of other toner, also may realize the reduction of carrying capacity of environment and cost significantly.
In the Japanese kokai publication sho 63-139364 communique of patent documentation 1, record a kind of development of static charge toner, this development of static charge contains and is useful on just charged calcium carbonate, magnesium oxide, magnesium hydroxide particles with toner, and containing the silicon dioxide, alumina silicate, aluminium hydroxide, the zirconium silicate particle that are useful on negative charging; In addition, in the TOHKEMY 2004-361663 communique of patent documentation 2, a kind of development of static charge toner is disclosed, this development of static charge is characterised in that with toner, formed by powder, this powder is by will at least containing binding resin, black metal oxide as colorant, and in the time of melting mixing, contains calcium carbonate and the mixing thing that obtains is pulverized, classification obtains.In this patent gazette, disclose preferably to the calcium carbonate that adds 0.01～10 % by weight in toner.But when add the inorganic fillers such as calcium carbonate in toner time, the melt viscosity of toner increases, therefore, may make low-temperature fixability worsen or make the comminuted deterioration of toner.The viewpoint reducing from carrying capacity of environment, the also not preferably reduction of the smashing reduction of toner or low-temperature fixability.
Therefore, in order to improve the low-temperature fixability, comminuted of toner, conventionally can enumerate the method that the thermal characteristics such as glass transition temperature, flow softening temperature of binding resin is reduced, but for the method, because the keeping quality of toner worsens, therefore may produce the compressing tablet of toner or cohesion piece and cause the reduction of image quality.In addition, because the dispersion of calcium carbonate is bad, to the impact of exposing of toner surface etc., the charge character of toner significantly reduces, and may cause the reduction of image quality.
In addition, in the TOHKEMY 2007-011347 communique of patent documentation 3, disclose a kind of toner, it comprises toner particle, and this toner particle contains bonding agent, at least a kind of above colorant and is distributed in the silicate particles in above-mentioned bonding agent.In addition, in the document, recorded the dependent method of relative humidity that improves toner by contain silicate particles in bonding agent.
But, when add silicate clay particles in toner time, the same with calcium carbonate, because the melt viscosity of toner increases, therefore may make low-temperature fixability worsen or make the comminuted deterioration of toner.In addition, the impact of exposing etc. because the dispersion of silicate particles is bad, to toner surface, may cause the band power of toner to reduce.In latex cohesion toner, easily make silicate clay particles be encapsulated in toner, and in comminuting method toner, in the process of the raw-material melting mixing thing of crushed toner, silicate clay particles is easy to be exposed to surface, may cause the reduction of toner band power or the deterioration of image quality.
Prior art document
Patent documentation
Patent documentation 1: Japanese kokai publication sho 63-139364 communique
Patent documentation 2: TOHKEMY 2004-361663 communique
Patent documentation 3: TOHKEMY 2007-011347 communique
Summary of the invention
The problem that invention will solve
Problem of the present invention is, the toner of the image quality excellence that excellence and the photographic fogs etc. such as a kind of keeping quality, low-temperature fixability are few is provided.Another problem of the present invention is, the toner of a kind of cheapness and productivity excellence is provided.
The method of dealing with problems
The inventor conducts in-depth research in order to realize above-mentioned problem, found that a kind of toner for developing electrostatic latent image, it is by least containing binding resin, the toner materials of colorant and inorganic filler and obtaining, described inorganic filler is selected from calcium carbonate, porcelain earth, talcum, in barium sulphate more than a kind, it is characterized in that, the glass transition temperature of described toner is in the scope of 50～58 DEG C, and the content of described inorganic filler is 1～10 weight portion with respect to toner 100 weight portions, a part for inorganic filler is present in toner surface, in the scope that the ratio that is present in the described inorganic filler on toner parent particle surface is 5～40% with respect to the content of inorganic filler, the keeping quality of this toner, the excellences such as low-temperature fixability, and photographic fog etc. are few, image quality is also excellent, and cheap, productivity is also excellent, thereby complete the present invention.
, the present invention comprises following " development of static charge toner ", " electrostatic image developer ", " image processing system ".
(1) a kind of toner for developing electrostatic latent image, it is by least containing binding resin, the toner materials of colorant and inorganic filler obtains, described inorganic filler is selected from calcium carbonate, porcelain earth, talcum, in barium sulphate more than a kind, it is characterized in that, the glass transition temperature of described toner is in the scope of 50～58 DEG C, and the content of described inorganic filler is 1～10 weight portion with respect to 100 weight portion toners, a part for inorganic filler is present in toner parent particle surface, in the scope that the ratio that is present in the described inorganic filler on toner parent particle surface is 5～40% with respect to the content of inorganic filler.
(2) above-mentioned (1) described toner for developing electrostatic latent image, wherein, the number average bead diameter of described inorganic filler is 0.1～10 μ m.
(3) above-mentioned (1) or (2) described toner for developing electrostatic latent image, it is characterized in that, the more than a kind treating agent that described inorganic filler utilization is selected from silane coupling agent, surfactant, metallic soap has carried out surface treatment.
(4) toner for developing electrostatic latent image in above-mentioned (1)～(3) described in any one, is characterized in that, it is the binding resin of 48 DEG C～55 DEG C that described binding resin contains glass transition temperature.
(5) toner for developing electrostatic latent image in above-mentioned (1)～(4) described in any one, is characterized in that, described binding resin contains polyester resin.
(6) toner for developing electrostatic latent image in above-mentioned (1)～(5) described in any one, it is characterized in that, this toner for developing electrostatic latent image is that described toner materials is carried out to melting mixing, and to obtained melting mixing thing pulverize, classification obtains.
(7) toner for developing electrostatic latent image in above-mentioned (1)～(5) described in any one, it is characterized in that, described binding resin comprises the binding resin being included in toner parent particle, and the granulation in aqueous medium of described toner parent particle forms.
(8) a kind of electrostatic image monocomponent toner, it is characterized in that toner parent particle and external additive that this electrostatic image comprises the toner for developing electrostatic latent image described in any one in above-mentioned (1)～(5) with monocomponent toner.
(9) a kind of electrostatic image two-component developing agent, it is characterized in that toner parent particle and carrier particle that this electrostatic image contains the toner for developing electrostatic latent image described in any one in above-mentioned (1)～(5) with two-component developing agent.
(10) image processing system, is characterized in that, this image processing system has the developing mechanism that has carried above-mentioned (8) or (9) described developer.
The effect of invention
Toner of the present invention is the toner for developing electrostatic latent image that has solved above-mentioned problem, it is by least containing binding resin, the toner materials of colorant and inorganic filler obtains, described inorganic filler is selected from calcium carbonate, porcelain earth, talcum, in barium sulphate more than a kind, wherein, the glass transition temperature of described toner is in the scope of 50～58 DEG C, and the content of described inorganic filler is 1～10 weight portion with respect to 100 weight portion toners, a part for inorganic filler is present in toner parent particle surface, in the scope that the ratio that is present in the described inorganic filler on toner parent particle surface is 5～40% with respect to the content of inorganic filler, therefore, can obtain low-temperature fixability, the toner of the less image quality excellence of excellence and the photographic fogs etc. such as keeping quality.In addition, toner of the present invention is owing to producing at an easy rate, and productivity is also excellent, therefore, can cut down discarded object, reduces energy applied load, cut down CO2 emission etc., can reduce carrying capacity of environment.
Embodiment
As mentioned above, toner of the present invention is by least containing binding resin, the toner for developing electrostatic latent image that the toner materials of colorant and inorganic filler obtains, described inorganic filler is selected from calcium carbonate, porcelain earth, talcum, in barium sulphate more than a kind, it is characterized in that, the glass transition temperature of described toner is in the scope of 50～58 DEG C, and the content of described inorganic filler is 1～10 weight portion with respect to 100 weight portion toners, a part for inorganic filler is present in toner parent particle surface, in the scope that the ratio that is present in the described inorganic filler on toner parent particle surface is 5～40% with respect to the content of inorganic filler.This toner can be " crushed toner ", also can be so-called " chemical toner ", can say, the in the situation that of crushed toner, tool has the following advantages: be relatively easy to manufacture the toner being present in the scope that the ratio of above-mentioned inorganic filler on toner parent particle surface is 5～40% with respect to the content of inorganic filler.Therefore, below, mainly centered by " crushed toner ", describe, still, the same with " crushed toner ", the situation of chemical toner can certainly be applicable to the present invention.
As the inorganic filler for toner, known have multiple fillers such as silicon dioxide, aluminium oxide, titanium dioxide, cryolite, zinc paste, bentonitic clay, oxidation (Asia) iron, molybdenum disulfide, magnesium hydroxide.But in the present invention, most important point is, these fillers are not suitable for, and the filler being only selected from calcium carbonate, porcelain earth, talcum, barium sulphate is suitable for using.In addition, toner of the present invention is also that glass transition temperature is the toner with the fusible property of lower temperature such within the scope of 50～58 DEG C, and can enumerate the advantage of keeping quality excellence.
In addition, as significant feature, can enumerate the image aspect that can obtain the less high image quality such as photographic fog.
Below, the present invention is described in detail.
First, to major general's binding resin, colorant and inorganic filler to coordinate to mix to certainty ratio, described inorganic filler be selected from calcium carbonate, porcelain earth, talcum, barium sulphate more than a kind.
Then, by above-mentioned melange melting mixing, then obtained melting mixing thing is pulverized, classification, obtained toner of the present invention.Toner starting material of the present invention are not particularly limited, and can use known starting material.
Binding resin is just not particularly limited as long as resin that can photographic fixing on the media such as paper, can enumerate: polystyrene, the poly-homopolymer to the styrene such as chlorostyrene, polyvinyl toluene and substituent thereof, styrene-to chloro-styrene copolymer, styrene-ethylene base toluene multipolymer, styrene-ethylene base naphthalenedicarboxylate copolymer, copolymer in cinnamic acrylic ester, styrene-methacrylate copolymer, styrene-alpha-chloro methylmethacrylate copolymer, styrene-acrylonitrile copolymer, styrene-ethylene ylmethyl ether copolymer, styrene-ethylene benzyl ethyl ether multipolymer, styrene-ethylene ylmethyl ketone copolymers, Styrene-Butadiene, styrene-isoprene copolymer, the styrene copolymers such as styrene-acrylonitrile-indene copolymer, Polyvinylchloride, phenolics, natural modified phenolics, natural resin modification maleic acid resin, acryl resin, methacrylic resin, polyvinyl acetate, organic siliconresin, vibrin, urethane resin, polyamide, furane resin, epoxy resin, xylene resin, polyvinyl butyral, terpene resin, coumarone-indene resin, petroleum resinoid etc.These resins can use separately or combine two or more uses.Wherein, be preferably polyester resin, styrene copolymer, particularly, from viewpoints such as the dispersivenesses of low-temperature fixability, inorganic filler, can preferably use polyester resin.
Vibrin obtains by the polycondensation of alcohol and carboxylic acid.As alcohol, for example can enumerate: ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol, 1, ammediol, 1,3-butylene glycol, 1, etherificate bisphenols, other dibasic alcohol monomers such as the glycolss such as 4-butylene glycol, neopentyl glycol, Isosorbide-5-Nitrae-butylene glycol, Isosorbide-5-Nitrae-bis-(methylol) cyclohexane and bisphenol-A, hydrogenated bisphenol A, polyoxyethylene bisphenol-A, polyoxypropylene bisphenol-A.These alcohol can use separately or combine two or more uses.
As carboxylic acid, for example, can enumerate: maleic acid, fumaric acid, mesaconic acid, citraconic acid, itaconic acid, glutaconic acid, phthalic acid, m-phthalic acid, terephthalic acid (TPA), cyclohexane dicarboxylic acid, succinic acid, hexane diacid, decanedioic acid, malonic acid, these sour acid anhydrides, lower alkyl esters and linoleic dipolymer, other binary organic acid monomer.These carboxylic acids can use separately or combine two or more uses.
Vibrin can be not only the polymkeric substance only being formed by bifunctional monomer, can be also the polymkeric substance that contains the composition being formed by polyfunctional monomer more than trifunctional.As polyfunctional monomer, i.e. polyvalent alcohol monomer more than ternary, for example, can enumerate: D-sorbite, 1,2, the own tetrol of 3,6-, Isosorbide-5-Nitrae-D-sorbite, pentaerythrite, dipentaerythritol, tripentaerythritol, sucrose, 1,2,4-butantriol, 1,2,5-penta triol, glycerine, 2-methyl-prop triol, 2-methyl isophthalic acid, 2,4-butantriol, trimethylolethane, trimethylolpropane, 1,3,5-trihydroxy methyl benzene, other polyvalent alcohol monomer more than ternary.
The glass transition temperature (Tg) of binding resin is generally the scope of 45 DEG C～75 DEG C, is preferably 45 DEG C～60 DEG C, more preferably 48 DEG C～60 DEG C, is particularly preferably the scope of 48 DEG C～55 DEG C.
Toner of the present invention is owing to containing inorganic filler, therefore, even the glass transition temperature of binding resin in above-mentioned scope, the keeping quality of toner is also excellent, and low-temperature fixability is also excellent.When the glass transition temperature of binding resin is during lower than 45 DEG C, the keeping quality of toner worsens, and when the glass transition temperature of binding resin is during higher than 75 DEG C, low-temperature fixability worsens, and comminutedly also worsens.
In addition, binding resin of the present invention also can contain the binding resin that is contained in the toner particle that granulation forms in aqueous medium.The manufacture method of the toner particle that granulation forms in aqueous medium can be selected from suspension polymerization, emulsion polymerization coacervation, dissolving suspension method, ester chain-extension polymerization method etc.The low-temperature fixability excellence of the toner of manufacturing by above-mentioned these manufacture methods, in the toner that contains inorganic filler of the present invention, the binding resin that is contained in toner particle by containing these, can obtain the toner of low-temperature fixability excellence.
In the present invention, inorganic filler can will at least be selected from calcium carbonate, porcelain earth, talcum, barium sulphate a kind multiple interpolation alone or in combination above.These inorganic fillers also can utilize silane coupling agent, surfactant, metallic soap etc. to carry out surface treatment etc., in addition, also can utilize by classification etc. and be adjusted into after desirable particle diameter distributes and use.
Kaolinic major component is made up of alumina silicate, conventionally also contains the compositions such as aluminium hydroxide, magnesium hydroxide, water.Porcelain earth comprises: hydrous kaolin, burn till porcelain earth, utilize stearic acid or silane coupling agent, surfactant etc. to carry out surface-treated surface treatment porcelain earth etc., be not particularly limited, anyly all can use.From the viewpoint of economy, preferably use hydrous kaolin, but from the viewpoint of the environmental stability of image quality and toner, preferably use and burn till porcelain earth, surface treatment porcelain earth.Kaolinic particle diameter is generally 0.1～10 μ m, is preferably 0.3～3 μ m, more preferably 0.3～1 μ m.Particle diameter is 10 μ m when above, becomes larger than toner particle diameter, is therefore difficult to be contained in toner, and particle diameter is 0.1 μ m when following, is difficult to be scattered in equably in toner particle, may cause the reduction of toner quality.In addition, particle diameter is 0.1 μ m when following, and cost uprises, also not preferred economically.
Calcium carbonate can be enumerated: ground chalk, precipitated calcium carbonate, utilize stearic acid or silane coupling agent, surfactant etc. to carry out surface-treated surface treatment calcium carbonate etc., be not particularly limited, anyly all can use.Ground chalk is distinguished into dry type ground chalk and wet type ground chalk according to breaking method, and particle diameter is generally 0.5～10 μ m, is preferably 0.5～3 μ m, more preferably 0.5～1 μ m.Particle diameter is 10 μ m when above, becomes larger than toner particle diameter, therefore, is difficult to be encapsulated in toner, and particle diameter is 0.5 μ m when following, is difficult to be scattered in equably in toner particle, may cause the reduction of toner quality.In addition, particle diameter is 0.5 μ m when following, and cost uprises, also not preferred economically.Precipitated calcium carbonate can be manufactured by chemical process, and shape of particle is generally spindle shape or column, can use without particular limitation, and the particle diameter of precipitated calcium carbonate is generally 0.05～5 μ m, is preferably 0.1～3 μ m, more preferably 0.1～1 μ m.Particle diameter is 5 μ m when above, is difficult to be encapsulated in toner, and particle diameter is 0.05 μ m when following, is difficult to be scattered in equably in toner particle, may cause the reduction of toner quality.
Talcum is made up of the complex salt of magnesium oxide and silicic acid, and its particle diameter is generally 0.1～10 μ m, is preferably 0.3～3 μ m, more preferably 0.3～1 μ m.
Particle diameter is 10 μ m when above, becomes larger than toner particle diameter, is difficult to be encapsulated in toner, and particle diameter is 0.1 μ m when following, is difficult to be scattered in equably in toner particle, may cause the reduction of toner quality.In addition, particle diameter is 0.1 μ m when following, and cost uprises, also not preferred economically.Barium sulphate generally includes the pulverized product (ground barium sulfate) of the barite deposit that is called as natural barite and the settleability barium sulphate of manufacturing by chemical process, is not particularly limited, and anyly all can use.Its particle diameter is generally 0.1～10 μ m, is preferably 0.3～3 μ m, more preferably 0.3～1 μ m.
In a word, the number average bead diameter of inorganic filler of the present invention can be preferably 0.1～10 μ m.
The addition of above-mentioned inorganic filler is 1～10 weight portion with respect to 100 weight portion toners, is preferably 3～10 weight portions, is particularly preferably 5～8 weight portions.Exceed in a large number 10 weight portions at the addition of inorganic filler, the melt viscosity of toner increases, and low-temperature fixability worsens.
In addition, inorganic filler increases to the amount of exposing of toner surface, and toner carried charge reduces, and may cause the reduction of image quality.In addition, be difficult to be scattered in equably in binding resin, may cause the reduction of toner quality.In addition, the addition of inorganic filler is during lower than 1 weight portion, and toner keeping quality worsens, and is difficult to have concurrently low-temperature fixability and keeping quality.
In addition, inorganic filler, toner is pulverized, in the process of classification, need to make its part be present in surface.Be present in surface by inorganic filler, can obtain the toner of keeping quality excellence.The ratio (surface exists rate) that inorganic filler is present in toner surface is preferably 5～40% with respect to the content of inorganic filler, and more preferably 5～35%, be particularly preferably 10～30% left and right.
The above-mentioned surface on the toner parent particle surface of inorganic filler exist rate not only show in the present invention inorganic filler containing ratio whether suitable, disperse degree, also reflect the suitable particle diameter of inorganic filler with respect to toner parent particle., the surface area S of 1 of mean radius r toner parent particle and the volume V of this 1 parent particle meet S=4 π r certainly
2, V=(4/3) π r
3relation.If be dispersed with 100 inorganic fillers completely in 1 parent particle of assumed average volume V, the mutual mean distance L of inorganic filler particle that is scattered in longitudinal and transverse, oblique random direction is the total N of the inorganic filler particulate of dispersion, the function of each volume of inorganic filler particulate v.Can think v=V/N, L=v
1/3.Even if this viewpoint is the in the situation that of L>>v, as long as increase the non-existent space of v, just basic identical.
Be scattered in the mutual mean distance L of 100 inorganic filler particles in volume V and utilize after above-mentioned formula calculates, be about 16117r (equally also ignoring the impact of v).In addition, in these 100, the number occurring on parent ball surface is 100 × 1/3r.That is, refer to " parent particle radius r relativity ground is larger, and the quantity of the inorganic filler particle occurring on surface more reduces ", inorganic filler particulate volume v and radius r are relatively in negative proportionate relationship, and proportionality constant is 1/3.If be assumed to r=5 (therefore V=523, S=314), N=100, v total=10/V is 52.3 (radius of inorganic filler particulate is 1.612) and is complete disperse state, is 100 × l/3 × (5/1.612)=7.2% at the inorganic filler particle number % of parent particle surface observation.And, the mean distance L ' while being two-dimensional observation as area, with the above-mentioned mean distance L of three-dimensional in L '=(L
1/2/ Lr
1/3)=0.899L × (relation of 1/2) ≒ 0.45.Yes for these for easily understanding supposition setting of the present invention.If exist numeric ratio that rate and these supposition arranges on the above-mentioned surface on the toner parent particle surface of the inorganic filler in concrete example described later, be appreciated that how the particle diameter aspect of inorganic filler containing ratio of the present invention, degree of scatter, inorganic filler makes the present invention become excellent.
Exist rate to be greater than 40% on the surface of inorganic filler, the carried charge of toner reduces, and the image qualities such as photographic fog are easy to worsen.Surperficial amount in inorganic filler is less than 5%, and inorganic filler is less at the amount of toner surface, and therefore, keeping quality easily declines.Be present in toner surface by inorganic filler, can have keeping quality and low-temperature fixability concurrently.
It should be noted that, the state that inorganic filler is present in toner surface can be that the particle of inorganic filler adheres to the state that is present in toner surface, can be also that inorganic filler is buried in toner parent but a part for the inorganic filler of burying is exposed the free position in the state of toner surface.
The surface of inorganic filler exists to be approved really with by for example utilizing electron microscope image to confirm that toner surface carries out.In addition, the surface of inorganic filler exists ratio (surface exists rate) can utilize Fourier transformation infrared spectrometer (FT-IR) to try to achieve, and the surface that can utilize infrared absorption spectrum intensity that inorganic filler causes to calculate inorganic filler exists rate.In this case, make quantitative in advance inorganic filler be attached to toner surface, measure infrared absorption spectrum intensity, confirm the relation between inorganic filler surface amount and infrared absorption spectrum intensity.
In addition, for the colorant of toner of the present invention, as black toner use, can use black pigment, as color toner use, can use pinkish red with pigment, pigment, yellow pigment etc. cyan for.
As black pigment, conventionally can use carbon black.As carbon black, can use ad lib number average bead diameter, oil absorption, pH etc., as commercially available product, can enumerate following material.The trade name that for example, can use Cabot company of the U.S. to manufacture: REGAL ((REGAL) 400,660,330,300, SRF-S, STERLING SO, V, NS, R; Trade name RAVENH20, MT-P, 410,420,430,450,500,760,780,1000,1035,1060,1080 that Columbia Carbon Japan company manufactures; Trade name #5B, #10B, #40, #2400B, MA-100 etc. that Mitsubishi chemical Co., Ltd manufactures.These carbon blacks can use separately or combine two or more uses.Carbon black can be selected from the scope of 1～20 weight portion conventionally with respect to the ratio of toner weight, is preferably 1～10 weight portion, more preferably 3～10 weight portions.In the time that carbon black ratio is very few, image color reduces, and too much time, image quality is easy to decline, and toner formability also reduces.As black pigment, except carbon black, can also use the black magnetic such as iron oxide or ferrite powder.
As magenta pigment, can use C.I. paratonere 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,21,22,23,30,31,32,37,38,39,40,41,48,49,50,51,52,53,54,55,57,58,60,63,64,68,81,83,87,88,89,90,112,114,122,123,163,202,206,207,209; C.I. pigment violet 19; C.I. vat red 1,2,10,13,15,23,29,35 etc.These magentas can be used separately or combine two or more uses with pigment.As cyan pigment, can use C.I. alizarol saphirol 2,3,15,16,17; C.I. reductive blue 6; C.I. acid blue 45 etc.These cyans can be used separately or combine two or more uses with pigment.
As yellow pigment, can use C.I. pigment yellow 1,2,3,4,5,6,7,10,11,12,13,14,15,16,17,23,65,73,74,83,94,97,155,180 etc.These yellow can be used separately or combine two or more uses with pigment.
The colour pigment of using as full color, from the viewpoint of colour mixture and colorrendering quality, magenta can preferably be used C.I. paratonere 57,122 with pigment, and cyan can preferably be used C.I. pigment blue 15 with pigment, and yellow can preferably be used C.I. pigment yellow 17,83,155,180 with pigment.The colored ratio with pigment can be selected from the scope of 1～20 weight portion conventionally with respect to 100 weight portion toners, is preferably 3～10 weight portions, more preferably 4～9 weight portions.If these pigment ratios are very few compared with above-mentioned scope, image color reduces, and if too much, the dispersiveness of pigment worsens, and colorrendering quality worsens, and the stability of toner carried charge also worsens, and image quality easily declines.In addition, also unfavorable aspect cost.
In toner of the present invention, can use as required band controling agent.Can be according to the charged characteristic of toner with controling agent, use the band controling agent with controling agent, Positively chargeable or appropriately combined both uses of negative charging.
As the band controling agent of Positively chargeable, for example, can enumerate: two organic boronic tin, the pyridines such as the two organic oxidation tin such as quaternary ammonium salt, Dibutyltin oxide, dioctyl tin oxide, dicyclohexyl tin oxide, dibutyl boric acid tin, dioctyl boric acid tin, dicyclohexyl boric acid tin such as nigrosine and the modifier based on fatty acid metal salts etc., tributyl hexadecyldimethyl benzyl ammonium-1-hydroxyl-4-naphthalene sulfonate, tetrabutyl ammonium tetrafluoroborate
salt, azine, triphenyl methane compounds and there is low-molecular weight polymer of cationic functional group etc.The band controling agent of these Positively chargeables can use separately or combine two or more uses.These Positively chargeable band controling agents preferably use nigrosine compounds, quaternary ammonium salt.
As the band controling agent of negative charging, for example, can enumerate: the organometallics such as metal complex or slaine, the chelate of acetylacetone metal complex, Monoazo metal complex, naphthoic acid or salicylic acid, there is low-molecular weight polymer of anionic property functional group etc.These negative charging band controling agents can use separately or combine two or more uses.In these negative charging band controling agents, preferably use salicylic acid metal complex, Monoazo metal complex.
Addition with controling agent can be selected conventionally with respect to 100 weight portion toners in the scope of 0.1～5 % by weight, is preferably 0.3～4 % by weight, more preferably 0.5～4 % by weight.
In addition, when for color toner, band controling agent is preferably colourless or light color.
In addition, in toner of the present invention, can add as required release agent (wax class).As release agent, for example, can enumerate: petroleum-type wax, Brazil wax, candelila wax, rice bran wax, the hydrogenated castor wet goods vegetalitas waxes such as the synthetic waxs such as polyolefins wax, fischer-tropsch wax such as Tissuemat E, polypropylene wax, modified polyethylene wax, ester synthetic wax, paraffin, microcrystalline wax.These waxes can use separately or combine two or more uses.The addition of wax can be selected in the scope of 0.1～10 % by weight conventionally with respect to 100 weight portion toners, is preferably 0.5～7 % by weight, more preferably 1～5 % by weight.If compared with above-mentioned scope too much, the dispersiveness of release agent worsens the addition of wax, toner live part or carrier surface are contaminated, easily cause the decline of image quality.If the addition of wax is very few, the release property of toner is insufficient, photographic fixing characteristic degradation.In addition, the fusing point of release agent is generally 40～160 DEG C, is preferably 50～120 DEG C, more preferably 60～90 DEG C.If the fusing point of release agent is lower than 40 DEG C, the keeping quality of toner reduces, if the fusing point of release agent exceedes 160 DEG C, the photographic fixing characteristic of toner reduces sometimes.
In addition, in toner of the present invention, can further use as required metal oxide, ferrite, the magnetic iron ore etc. such as the alloy, aluminium oxide, iron oxide, nickel oxide of the metal such as Magnaglo, such as cobalt, iron, nickel, aluminium, copper, iron, nickel, magnesium, tin, zinc, gold, silver, selenium, titanium, tungsten, zirconium, other metal.The addition of Magnaglo is generally 1～70 % by weight with respect to 100 % by weight resin combinations, is preferably 5～50 % by weight, more preferably 10～40 % by weight.It is the powder of 0.01～3 μ m that Magnaglo can preferably use mean grain size.
In addition, in toner of the present invention, can further contain as required various adjuvants, for example, stabilizing agent (for example, ultraviolet light absorber, antioxidant, thermal stabilizer etc.), fire retardant, antifoggant, spreading agent, nucleator, plastifier (phthalic easter plastizer, fatty acid plastifier, phosphoric acid class plastifier etc.), the charged preventing agent of macromolecule, low molecule charged preventor, compatilizer, conductive agent, filling agent, fluidity amendment etc.
Toner of the present invention preferably has inorganic particles in surface attachment.As inorganic particles, can enumerate the mineral compounds such as silicon dioxide, aluminium oxide, titanium dioxide, barium titanate, magnesium titanate, calcium titanate, strontium titanates, zinc paste, tin oxide, silica sand, clay, mica, wollastonite, zeyssatite, chromium oxide, cerium oxide, iron oxide red, antimony trioxide, magnesium oxide, zirconia, barium sulphate, barium carbonate, calcium carbonate, silit, silicon nitride, Magnaglo.These inorganic particles can use separately or combine two or more uses.In these inorganic particles, can particularly preferably use silicon dioxide, titanium dioxide.In addition, the mean grain size of inorganic particles, BET specific surface area, surface-treated have or not etc. and to be not particularly limited, can suitably select according to purposes, but preferably BET specific surface area at 50～400m
2inorganic particles within the scope of/g, has further preferably carried out the inorganic particles of surface-treated hydrophobization.In addition, also can use resin particle etc. with inorganic particles simultaneously, or replace inorganic particles with resin particle etc.
The ratio of adding above-mentioned inorganic particles and resin particle with respect to toner is as follows: with respect to 100 weight portion toners, can in the scope of 0.01～10 amount amount part, suitably select, be preferably 0.1～5 weight portion, more preferably 0.5～3 weight portion.If the ratio of adding departs from above-mentioned scope, the mobility of toner or charging property reduce, and are difficult to form uniform image, and image quality reduces.
Toner of the present invention can be by carrying out melting mixing by above-mentioned each starting material after mixing to certainty ratio, then above-mentioned melting mixing thing pulverized, classification and obtaining.As mixing the raw-material device of toner, can utilize known device, as long as the device that toner starting material can be mixed with dry type is just not particularly limited, can use the gravity such as V-Mixer, bowl mill to fall the high speed fluidized bed type mixers such as formula mixer, high-speed mixer (KAWATA system), Henschel mixer (Mitsui mining industry system), Q type mixer (Mitsui mining industry system), Nobilta (Hosokawa Micron system).From viewpoints such as productivitys, the high speed fluidized bed type mixers such as preferred high-speed mixer.Then, will carry out melting mixing through the mixture of raw material mixing.
As the device using in melting mixing, can utilize known device, as long as the device of the mixing mixture of raw material of melting, just be not particularly limited, can enumerate: continous way banburying machine, the Continuous Roller mixing rolls etc. such as batch (-type) banburying machine, single screw extrusion machine or double screw extrusion machine such as the roll-type mixing rolls such as two rollers or three rollers, banbury mixers, pressurization kneader.From productive viewpoint, continous way banburying machine or the Continuous Roller mixing rolls such as preferred single screw extrusion machine or double screw extrusion machine.
Then,, after cooling above-mentioned melting mixing thing, curing, manufacture toner through each operation of coarse crushing operation, Crushing of Ultrafine operation and classification operation.In these operations, can utilize known device, for example, in coarse crushing operation, can use hammer-mill, cutting type comminutor etc., in Crushing of Ultrafine operation, can use high-speed rotary atomizer, airflow strikes formula comminutor, fluidized bed type comminutor etc.In addition, in for example classification operation, can use forced vortex flow pattern centrifugal separator, inertia force classifier etc.The volume average particle size of the toner obtaining is like this generally 5～10 μ m left and right, is preferably 6～9 μ m, more preferably 6～8 μ m.Volume average particle size is the 50% volume accumulation particle diameter that utilizes for example Multisizer III (Beckman Coulter company system) equigranular measure of spread device to measure.By carrying out above-mentioned each operation, can obtain wishing the toner of particle diameter, but conventionally in classification operation, produce the toner micro mist less than given particle diameter.From productive viewpoint, toner micro mist turns back in mixed processes conventionally, recycling toner micro mist.The in the situation that of recycling toner micro mist in mixed processes, toner micro mist and above-mentioned each toner starting material are mixed in mixed processes, this potpourri is manufactured to toner through mixing operation, pulverizing process, classification operation.
The glass transition temperature of the toner of the present invention obtaining is like this 50～58 DEG C, is preferably 52～58 DEG C, more preferably 54～58 DEG C.At glass transition temperature, higher than 58 DEG C in the situation that, low-temperature fixability worsens, and at glass transition temperature, lower than 50 DEG C in the situation that, keeping quality worsens.By making glass transition temperature have inorganic filler in above-mentioned scope and in toner surface, can have keeping quality and low-temperature fixability concurrently.
In addition, the use of toner of the present invention is not subject to the special restriction of visualization way, can be for non-magnetic mono-component visualization way, magnetic single component development mode, bi-component visualization way, other visualization way., mix Magnaglo as above and use as magnetic color tuner in binder resin with for toner for magnetic single component development mode, bi-component visualization way is mixed use with toner with carrier.
As the carrier in bi-component visualization way, for example, can use nickel, cobalt, iron oxide, ferrite, iron, beaded glass etc.These carriers can use separately or combine two or more uses.As carrier, preferably mean grain size is the carrier of 20～150 μ m.
In addition, the surface of carrier can be coated with coverings such as fluorine-type resin, acrylic resin, silicone based resins.
Toner of the present invention can be monochrome toner, can be also full color toner.With for toner, can use the carbon black of above-mentioned record as colorant for monochrome, with for toner, can preferably use the colour pigment of above-mentioned record as colorant for full color.From the viewpoint of colorrendering quality or the viewpoint of economy, toner of the present invention can particularly preferably use monochrome toner.
As the manufacture method of parent particle, be not particularly limited, can enumerate comminuting method, polymerization etc.
Embodiment
Below, based on embodiment, the present invention will be described in more detail, but the present invention is not limited to these embodiment.It should be noted that, the starting material, the evaluation method of toner physical property and the evaluation method of picture characteristics that in embodiment, comparative example, use are as follows.
[starting material]
< binding resin >
Binding resin (1): amorphous polyester resin for toner (glass transition temperature (Tg)=58 DEG C, flow softening temperature (T1/2)=135 DEG C)
Binding resin (2): amorphous polyester resin for toner (glass transition temperature (Tg)=50 DEG C, flow softening temperature (T1/2)=103 DEG C)
Binding resin (3): toner Styrene And Chloroalkyl Acrylates copolymer resins (glass transition temperature (Tg)=58 DEG C, flow softening temperature (T1/2)=155 DEG C)
< colorant >
Colorant: carbon black (Mitsubishi Chemical's (strain) system, #44)
< band controling agent >
CCA (1) salicylic acid zirconates (hodogaya chemical industry (strain) system, trade name: TN-105)
CCA (2): salicylic acid zinc salt (ORIENT chemistry (strain) system, trade name: BONTORON E-304)
< release agent >
WAX (1): Brazil wax (Jia Teng foreign firm (strain) system, trade name: No. 1 powder of Brazil wax)
WAX (2): polypropylene wax (Sanyo changes into (strain) system, trade name: BiZCol550P)
< inorganic filler >
Inorganic filler (1): porcelain earth (BASF system, trade name ASP-200)
Inorganic filler (2): ground chalk (standby northern efflorescence industry (strain) system, Softone3200)
[evaluation method of toner]
[glass transition temperature]
The glass transition temperature of toner uses DSC system (differential scanning calorimeter) (" DSC-60 ", Shimadzu Seisakusho Ltd.'s system) to measure.Sample is heated to after 150 DEG C with 10 DEG C/min of programming rate, be cooled to 30 DEG C with 10 DEG C/min of cooling rate from 150 DEG C, then, further be heated to 150 DEG C with 10 DEG C/min of programming rate, the acromion that utilizes the glass transition of the DSC curve while intensification for the second time to cause is tried to achieve the glass transition temperature of toner.
[there is rate in the surface of inorganic filler]
Utilize electron microscope image to exist situation to observe to the surface of inorganic filler.In addition, the surface of inorganic filler exists the infrared absorption spectrum intensity that rate is caused by inorganic filler to try to achieve by calculating.Infrared absorption spectrum intensity is used and the device of variable-angle ATR annex is installed on the FT-IR Spectrum-1 of Perkin Elmer manufacture and measures with incident angle 60 degree.First, make in advance the inorganic filler of 0.1,1.0,5.0,10.0 weight portions be attached to toner surface with respect to 100 weight portion toners, calculate the infrared absorption spectrum intensity with respect to the surperficial amount of inorganic filler.If porcelain earth calculates wavelength 914 (cm
-1) near infrared absorption spectrum intensity.Then, obtain the infrared absorption spectrum intensity that the inorganic filler of toner of the present invention causes, utilize the surperficial amount of known inorganic filler and the relation of infrared absorption spectrum intensity to obtain the surperficial amount of inorganic filler.Then,, according to the ratio of the surperficial amount of the content of inorganic filler and inorganic filler, there is rate (%) in the surface of having obtained inorganic filler by calculating.
[carried charge]
Make the developer being formed by copper-Zn ferrite particle of the toner of 4 quality % and the mean grain size being coated by the organic siliconresin 50 μ m of 96 quality %.Then, weigh 6g developer, be encased in sealable metal cylinder, obtained carried charge by blowing method.It should be noted that, carried charge is suitable in the scope of-10～30 μ C/g.When the absolute value of carried charge is less than 10 μ C/g, easily produces background dyeing or toner and disperse, while exceeding 40 μ C/g, image color reduces.
[low-temperature fixability]
Use on the photographic fixing testing machine of teflon roller processed as the photographic fixing portion of the duplicating machine MF-4550 processed of (strain) Ricoh of fixing roller comprising, use the T6200 processed of Ricoh to duplicate printing, there is not the photographic fixing lower limit temperature of cold print through (cold offset) phenomenon with 5 DEG C of intervals stably photographic fixing of confirmation, and evaluated low-temperature fixability.Mechanical condition is as follows: the linear velocity of paper feeding is made as to 140mm/sec, and surface pressure is made as 1.2kgf/cm
2, roll-gap width is made as 3mm.
In evaluation, if photographic fixing lower limit temperature is below 140 DEG C, be judged to be zero,, if the scope of 140 DEG C～150 DEG C is judged to be △, if more than 150 DEG C, be judged to be ×.
[keeping quality]
Toner is screened 2 minutes with 42 object sieves after 8 hours with 50 DEG C of keepings, measure the survival rate on silk screen.It should be noted that, in heat-resisting keeping quality, survival rate is judged to be to zero lower than 10% situation, is to be judged to be △ more than 10% and lower than 30% situation by survival rate, more than 30% situation is judged to be ×.
[picture appraisal]
Use Imagio Neo450 (company of Ricoh system), adopt the paper of A4 size, with 5000 of the print speeds of 33/point, 6% the continuous letterings of character-display unit.After lettering, implement following evaluation.
[photographic fog]
In development, stop blank sheet of paper image, the developer on the photoreceptor after developing is with to transfer printing, use 938 spectral concentration instrument (X-Rite company system) to measure poor with the image color of the band of transfer printing not.In evaluation, this difference is judged to be to zero lower than 0.010 situation, will more than 0.010 and lower than 0.030 situation, be judged to be △, more than 0.030 situation is judged to be ×.
[image color]
After output ater image, use 938 spectral concentration instrument (X-Rite company system) to measure image color.In evaluation, be that more than 1.40 situation is judged to be zero by image color, will more than 1.20 and lower than 1.40 situation, be judged to be △, the situation lower than 1.20 is judged to be ×.
[comprehensive evaluation]
In low-temperature fixability, keeping quality, picture appraisal, carry out comprehensive evaluation according to following benchmark.
In comprehensive evaluation, if △ is in 2, be judged to be zero, if △ is more than 3, be judged to be △, if exist 1 ×, be judged to be ×.
[embodiment 1]
Below, the evaluation result of the toner of the production example to toner, making is specifically described.As the starting material of toner, as shown in table 1, use above-mentioned binding resin (1) and above-mentioned binding resin (2), above-mentioned colorant, above-mentioned band controling agent (1), above-mentioned release agent (1), above-mentioned inorganic filler (1) with the ratio shown in table 1.Make above-mentioned each starting material weigh and add up to after 5Kg with the ratio of table 1, utilize high-speed mixer to mix 3 minutes, obtained raw-material potpourri.Then, by obtain raw-material mixed can thing with closed continuous mixing extruder (L/D=30), carry out melting mixing with 120 DEG C of temperature, spray volume 10Kg/ hour, revolution 150rpm, obtained the tabular melting mixing thing of thickness 1～2mm.
Then, utilize mechanical crusher to pulverize this melting mixing thing, then, utilize airflow classification machine to carry out classification, having obtained volume average particle size is the toner parent particle of 9.5 μ m.Then, the toner parent particle obtaining with respect to 100 weight portions adds 1.0 weight portion hydrophobic silica (R974, Japan AEROSIL (strain) system), utilize high-speed mixer to be uniformly mixed 3 minutes with peripheral speed 40m/sec, obtained the toner of embodiment 1～5 and comparative example 1～4.Evaluate toner physical property and the picture characteristics of the toner obtaining, result is concluded and is shown in Table 1.
[embodiment 2]
As the starting material of toner, the binding resin shown in table 1, colorant, band controling agent, release agent, inorganic filler are used with the ratio shown in table 1, in addition, operation similarly to Example 1, obtain the toner of embodiment 2, and evaluated similarly to Example 1 toner physical property and the picture characteristics of this toner.Show the result in table 1.
[embodiment 3]
As the starting material of toner, the binding resin shown in table 1, colorant, band controling agent, release agent, inorganic filler are used with the ratio shown in table 1, in addition, operation similarly to Example 1, obtain the toner of embodiment 3, and evaluated similarly to Example 1 toner physical property and the picture characteristics of this toner.Show the result in table 1.
[embodiment 4]
As the starting material of toner, the binding resin shown in table 1, colorant, band controling agent, release agent, inorganic filler are used with the ratio shown in table 1, in addition, operation similarly to Example 1, obtain the toner of embodiment 4, and evaluated similarly to Example 1 toner physical property and the picture characteristics of this toner.Show the result in table 1.
[embodiment 5]
As the starting material of toner, the binding resin shown in table 1, colorant, band controling agent, release agent, inorganic filler are used with the ratio shown in table 1, in addition, operation similarly to Example 1, obtain the toner of embodiment 5, and evaluated similarly to Example 1 toner physical property and the picture characteristics of this toner.Show the result in table 1.
[table 1]
[comparative example 1]
As the starting material of toner, the binding resin shown in table 2, colorant, band controling agent, release agent, inorganic filler are used with the ratio shown in table 2, in addition, operation similarly to Example 1, obtain the toner of comparative example 1, and evaluated similarly to Example 1 toner physical property and the picture characteristics of this toner.Show the result in table 2.
[comparative example 2]
As the starting material of toner, use the binding resin shown in table 2, colorant, band controling agent, release agent (in comparative example 1 with the ratio shown in table 2, do not use inorganic filler), in addition, operation similarly to Example 1, obtain the toner of comparative example 2, and evaluated similarly to Example 1 toner physical property and the picture characteristics of this toner.Show the result in table 2.
[comparative example 3]
As the starting material of toner, the binding resin shown in table 2, colorant, band controling agent, release agent, inorganic filler are used with the ratio shown in table 2, in addition, operation similarly to Example 1, obtain the toner of comparative example 3, and evaluated similarly to Example 1 toner physical property and the picture characteristics of this toner.Show the result in table 2.
[comparative example 4]
As the starting material of toner, the binding resin shown in table 2, colorant, band controling agent, release agent, inorganic filler are used with the ratio shown in table 2, in addition, operation similarly to Example 1, obtain the toner of comparative example 4, and evaluated similarly to Example 1 toner physical property and the picture characteristics of this toner.Show the result in table 2.
[table 2]
As shown in Table 1, the low-temperature fixability of the toner of embodiment 1～4 and keeping quality excellence, and image quality is also excellent.On the other hand, the toner of the comparative example 1 of table 2 does not add inorganic filler, and therefore, although low-temperature fixability excellence, keeping quality worsens.The toner of comparative example 2 has added the inorganic filler of 20 weight portions, and therefore, low-temperature fixability worsens, and the reduction of toner carried charge, and the image qualities such as photographic fog worsen.The glass transition temperature of the toner of comparative example 3 is 60 DEG C, and therefore, although have good keeping qualities, low-temperature fixability worsens.In addition, the glass transition temperature of the toner of comparative example 4 is 48 DEG C, and therefore, although low-temperature fixability is good, keeping quality worsens.
Claims (10)
1. a toner for developing electrostatic latent image, it is by least containing binding resin, the toner materials of colorant and inorganic filler obtains, described inorganic filler is selected from calcium carbonate, porcelain earth, talcum, in barium sulphate more than a kind, it is characterized in that, the glass transition temperature of described toner is in the scope of 50～58 DEG C, and the content of described inorganic filler is 1～10 weight portion with respect to 100 weight portion toners, a part for inorganic filler is present in toner parent particle surface, in the scope that the ratio that is present in the described inorganic filler on toner parent particle surface is 5～40% with respect to the content of inorganic filler.
2. toner for developing electrostatic latent image according to claim 1, is characterized in that, the number average bead diameter of described inorganic filler is 0.1～10 μ m.
3. toner for developing electrostatic latent image according to claim 1 and 2, is characterized in that, the more than a kind treating agent that described inorganic filler utilization is selected from silane coupling agent, surfactant, metallic soap has carried out surface treatment.
4. according to the toner for developing electrostatic latent image described in any one in claim 1～3, it is characterized in that, it is the binding resin of 48 DEG C～55 DEG C that described binding resin contains glass transition temperature.
5. according to the toner for developing electrostatic latent image described in any one in claim 1～4, it is characterized in that, described binding resin contains polyester resin.
6. according to the toner for developing electrostatic latent image described in any one in claim 1～5, it is characterized in that, this toner for developing electrostatic latent image by described toner materials melting mixing and to obtained melting mixing thing pulverize, classification obtains.
7. according to the toner for developing electrostatic latent image described in any one in claim 1～5, it is characterized in that, described binding resin contains the binding resin being contained in toner parent particle, and the granulation in aqueous medium of described toner parent particle forms.
8. an electrostatic image monocomponent toner, is characterized in that, toner parent particle and external additive that this electrostatic image comprises the toner for developing electrostatic latent image described in any one in claim 1～5 with monocomponent toner.
9. an electrostatic image two-component developing agent, is characterized in that, toner parent particle and carrier particle that this electrostatic image contains the toner for developing electrostatic latent image described in any one in claim 1～5 with two-component developing agent.
10. an image processing system, is characterized in that, this image processing system is equipped with the developing mechanism of having received claim 8 or developer claimed in claim 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013013968A JP6089726B2 (en) | 2013-01-29 | 2013-01-29 | Toner for developing electrostatic charge, developer for developing electrostatic image, and image forming apparatus |
| JP2013-013968 | 2013-01-29 |
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| Publication Number | Publication Date |
|---|---|
| CN103969975A true CN103969975A (en) | 2014-08-06 |
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|---|---|---|---|
| CN201410039065.7A Pending CN103969975A (en) | 2013-01-29 | 2014-01-27 | Color Matching Agent, Developing Agent And Image Foring Device |
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| Country | Link |
|---|---|
| JP (1) | JP6089726B2 (en) |
| KR (1) | KR20140097018A (en) |
| CN (1) | CN103969975A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107430361A (en) * | 2015-03-24 | 2017-12-01 | 日本瑞翁株式会社 | Electrostatic image developing toner |
| CN112437902A (en) * | 2018-07-23 | 2021-03-02 | 房总油脂股份有限公司 | Wax composition and toner for electrophotography |
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| JP2010039314A (en) * | 2008-08-06 | 2010-02-18 | Sharp Corp | Toner, method of manufacturing toner, two-component developer, developing device, and image forming apparatus |
| JP2011123344A (en) * | 2009-12-11 | 2011-06-23 | Konica Minolta Business Technologies Inc | Toner for electrostatic latent image development, and image forming method |
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2013
- 2013-01-29 JP JP2013013968A patent/JP6089726B2/en not_active Expired - Fee Related
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| JP2004287103A (en) * | 2003-03-20 | 2004-10-14 | Fuji Xerox Co Ltd | Dry type toner for electrostatic latent image development, developer, and image forming method |
| CN1823119A (en) * | 2003-07-14 | 2006-08-23 | 三洋化成工业株式会社 | Resin particle and its manufacturing method |
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| CN112437902B (en) * | 2018-07-23 | 2023-12-12 | 房总油脂股份有限公司 | Wax composition and toner for electrophotography |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20140097018A (en) | 2014-08-06 |
| JP6089726B2 (en) | 2017-03-08 |
| JP2014145886A (en) | 2014-08-14 |
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Application publication date: 20140806 |
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| RJ01 | Rejection of invention patent application after publication |