JP2952133B2 - Ink jet printing method and printed matter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for printing on a fabric by an ink jet method and a printed matter.

[0002]

2. Description of the Related Art At present, the mainstream of printing is screen printing and roller printing. However, these methods are unsuitable for high-mix low-volume production and it is difficult to respond quickly to the trend. Therefore, it has recently been desired to establish a plateless electronic printing system.

[0003] In response to this demand, a number of ink-jet printing methods have been proposed, and expectations from various fields have increased.

[0004] The problems of ink-jet printing include:
(1) To give a sufficient density for color development, (2) To be high in dyeing rate of the dye to the fabric, and to facilitate wastewater treatment after the washing step, (3) Irregularity due to mixing of different colors on the fabric (4) a wide range of color reproduction, (5) stable production is always possible, and the like.

In order to satisfy these problems, conventionally, various additives have been mainly added to inks,
Various measures have been taken, such as manipulating the amount of ink to be applied and performing processing on the fabric in advance.

Japanese Patent Application Laid-Open (JP-A) No. 61-118777 discloses an ink-jet printing method for printing a fabric using a disperse dye, for example, a polyester fabric.
A method using a disperse dye having a temperature of 80 ° C. or higher is disclosed. However, when printing is performed using ink using a disperse dye focused only on the sublimation temperature as a dye, when each ink is dyed alone, good color development is exhibited, whereas the ink is applied on a cloth. When the colors are mixed, the density, color tone, and reproducibility when dyeing under the same dyeing conditions are very different depending on the combination of dyes used, and the above (1), (4), (5) ) Etc. are often not satisfied at the same time, and in order to perform various color representations, in such a method,
Still not enough.

[0007] Therefore, it is impossible to sufficiently satisfy the above-mentioned various required items, especially the item (5), only by the conventional technology.

The extent to which the color reproduction range of (4) can be obtained is important for widespread use of ink-jet printing. This is because, in the conventional printing, the printing paste was prepared for each color, so that a very large number of color dyes could be freely used, whereas in the ink-jet printing, the inks were mixed on a cloth to obtain the color. In order to obtain variations, the colors of the inks used are limited to several types.

In conventional ink-jet printing on a recording material such as paper, all colors are often expressed by subtractive mixing of three primary colors of yellow, magenta and cyan.

[0010] However, in ink-jet printing, when a textile mainly composed of polyester is printed using an ink containing a disperse dye, the range from orange to scarlet, which is frequently used in women's clothing and the like, is particularly preferred. As for the color, only the method based on the mixed color of yellow and magenta could not express the color tone and saturation of the conventional printing.

[0011]

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a conventional ink-jet printing method as described above when performing ink-jet printing on a fabric mainly composed of fibers dyeable with a disperse dye. Solving the problem, in particular, we can obtain printed matter with a remarkably wide color reproduction range from orange to scarlet,
It is still another object of the present invention to provide an ink jet printing method and a printed material that can obtain a stable image even when the conditions of the dyeing treatment by heating slightly change.

[0012]

This object is achieved by the present invention described below.

That is, the present invention provides a method of printing by applying at least two colors of ink of orange and red to a fabric by an ink jet system,
(A) a step of applying the two-color inks on a cloth so that at least a part of the inks overlaps, (b) a step of heat-treating the cloth to which the ink is applied, and (c) a step of washing the heat-treated cloth. The at least three steps, wherein the fabric contains fibers that can be dyed with a disperse dye, and the ink contains at least a dye, a compound that disperses the dye, and an aqueous liquid medium; The ink is CI Disperse Orange 13, 29, 3
1: 1, 33, 49, 54, 55, 66, 73, 11
9 and 163, wherein the red ink contains CI
Disperse Red 54, 72, 73, 86, 88, 9
1, 92, 93, 111, 126, 127, 134, 1
35, 143, 145, 152, 153, 154, 15
9, 164, 167: 1, 177, 181, 204, 2
06, 207, 221, 258, 278, 283, 28
8, 311, 323, 343, 348, 356, and C.I.
I. It contains at least one selected from the group consisting of Disperse Violet 33, and the amount of dye attached to the mixed color portion of the at least two colors of ink is 0.01 mg to 1 m.
g / cm ² , and an ink-jet printing method and a printed matter printed by the method.

Further, the present invention relates to a printed matter in which dyes of two colors, orange and yellow, are dyed in at least partially overlapping state, wherein the orange dye is C.I. I. Disperse Orange 13, 29, 31: 1, 33, 4
9, at least one selected from the group consisting of 9, 54, 55, 66, 73, 119 and 163, wherein the red dye is C.I. I. Disperse Red 54, 72,
73, 86, 88, 91, 92, 93, 111, 12
6, 127, 134, 135, 143, 145, 15
2,153,154,159,164,167: 1,1
77, 181, 204, 206, 207, 221, 25
8, 278, 283, 288, 311, 323, 34
3, 348, 356, and C.I. I. A printed material containing at least one selected from the group consisting of Disperse Violet 33, wherein the printed material is printed on a fabric containing fibers dyeable with a disperse dye.

Hereinafter, the present invention will be described in detail.

First, the fabric used in the present invention will be described.

The material constituting the fabric used in the present invention contains fibers which can be dyed with a disperse dye. Especially, what contains polyester, acetate, and triacetate is preferable. Among them, those containing polyester are particularly preferable. The fibers can be used in any form such as a woven fabric, a knitted fabric, and a nonwoven fabric.

The fabric is a fiber 1 that can be dyed with a disperse dye.
00% is suitable, but if the blending ratio is 30% or more, preferably 50% or more, fibers and other materials dyeable with a disperse dye, for example, rayon, cotton, polyurethane, acrylic, nylon, wool Blended woven fabric or blended nonwoven fabric with silk or the like can also be used as the printing fabric of the present invention.

The printing fabric used in the present invention as described above can be used in combination with a conventionally known pretreatment method, if necessary. In particular, those containing 0.01 to 20% by weight of urea, a water-soluble polymer, a water-soluble metal salt and the like are preferable.

Examples of the water-soluble polymer include starch substances such as corn and wheat; cellulosic substances such as carboxymethylcellulose, methylcellulose and hydroxyethylcellulose; Known natural water-soluble polymers such as polysaccharides, gelatin, and protein substances such as casein, tannin substances, and lignin substances. Examples of the synthetic polymer include known polyvinyl alcohol-based compounds, polyethylene oxide-based compounds, acrylic acid-based water-soluble polymers, and maleic anhydride-based water-soluble polymers. Among them, polysaccharide polymers and cellulose polymers are preferable.

Examples of the water-soluble metal salt include those which form typical ionic crystals, such as alkali metal and alkaline earth metal halides, and have a pH of 4 to 10.
The compound which is is mentioned. Representative examples of such compounds include, for example, NaCl, Na
_{2 S0 4, KCl, CH 3} COONa, etc. can be mentioned, CaCl _2, MgCl _2, etc. Examples of the alkali earth metal. Among them, salts of Na, K, and Ca are preferable.

Next, the orange and red dyes contained in the ink of the present invention, which mainly characterize the present invention, will be described.

According to the subtractive color mixture method represented by yellow, magenta, and cyan, it is possible to cover the orange-scarlet hue by controlling each of the two inks of yellow and red.

However, especially in an area having a low concentration,
When trying to express orange and scarlet with high brightness and saturation, it is difficult to use the subtractive color mixture method, and it is 450-500.
An ink containing an orange dye having a narrow absorption spectrum having a main peak at nm is essential. Further, in the present invention, a disperse dye having an orange hue is used as the orange dye, but such a dye is not simply selectable from the hue, and is extremely limited in terms of dyeing characteristics, ejection characteristics, and the like. It will be. We have:
When an ink containing various disperse dyes is prepared, and the ink is mixed and dyed on the above-described cloth, the ink jet printing method is compared with a conventional printing method by a combination of dyes to be used. Density, color tone,
It has been found that the reproducibility of repetition when dyeing under the same dyeing conditions is very different. This phenomenon occurs when the HT steaming method and the dyeing treatment by the thermosol method are adopted.
Especially remarkable.

Conventionally, "dyeing" of polyester
It is known that when two kinds of disperse dyes are to be dyed in one bath by dyeing or the like, the dyeing density may rarely differ depending on the compatibility of the two kinds of dyes. It is said that this is due to the structure of the dyes in water (whether they are independent or linked to each other) ("Dye Chemistry" Shikinsensha).
However, this is a problem peculiar to "dip dyeing" dyeing, and this problem was hardly discussed in conventional printing.

However, in printing by ink-jet printing, the difference due to the combination of dyes was more remarkable than this "dip dyeing" dyeing. The reason for this is not clear, but in a method of sequentially depositing small ink droplets on a cloth, such as ink jet printing, the absolute amount of the dye to be printed is small, and the dot expression is used. It is considered that the difference due to the combination of the above appears more clearly than before.

The present inventors have conducted intensive studies in view of the above problems, and by using the following very limited dyes, the density and color tone after dyeing can be changed by the combination of the dyes. No change was observed, and the color reproducibility after dyeing was extremely stable, and the color reproducibility range from orange to scarlet was remarkably widened.

From the above, the dyes used are limited to the following.

As the pigment in the orange ink, C.I. I.
Disperse Orange 13, 29, 31: 1, 33, 4
9, 54, 55, 66, 73, 119, 163, and at least one selected from the group consisting of C.I. I. Disperse Orange 2
It is particularly preferred to use 9, 49, 73.

As the dye in the red ink, C.I. I. Disperse Red 54, 72, 73, 86, 88, 9
1, 92, 93, 111, 126, 127, 134, 1
35, 143, 145, 152, 153, 154, 15
9, 164, 167: 1, 177, 181, 204, 2
06, 207, 221, 258, 278, 283, 28
8, 311, 323, 343, 348, 356, C.I.
I. Preferably, at least one selected from the group consisting of Disperse Violet 33 is contained,
C. I. Disperse Red 92, 126, 135, 1
45, 152, 159, 177, 181, 206, 28
It is more preferable to include at least one selected from the group consisting of 3,348.

At least one of these dyes is contained in the ink of the present invention. The content is in the range of 1 to 25% by weight, preferably 1.5 to 20% by weight, more preferably 2 to 15% by weight based on the total weight of the ink.

The ink of the present invention contains at least the above-mentioned dye, a compound for dispersing the dye, and an aqueous liquid medium.

As the compound for dispersing the dye, so-called dispersants, surfactants, resins and the like can be used.

As the dispersing agent or surfactant, any of anionic and nonionic types can be used. Examples of the anionic type are fatty acid salts, alkyl sulfate salts, alkylbenzene sulfonates, and alkylnaphthalene sulfonates. , Dialkyl sulfosuccinates, alkyl phosphates, naphthalenesulfonic acid formalin condensates, polyoxyethylene alkyl sulfates, and substituted derivatives thereof; nonionic polyoxyethylene alkyl ethers, polyoxyethylene alkyls Phenyl ether, polyoxyethylene fatty acid ester, sorbitan fatty acid ester, polyoxyethylene sorbitan fatty acid ester, polyoxyethylene alkylamine, glycerin fatty acid ester, oxyethyleneoxy B pyrene block polymers, and substituted derivatives thereof.

Examples of the resin dispersant include styrene and its derivatives, vinyl naphthalene and its derivatives, and aliphatic alcohol esters of α, β-ethylenically unsaturated carboxylic acids.
At least two or more monomers selected from acrylic acid and its derivatives, maleic acid and its derivatives, itaconic acid and its derivatives, fumaric acid and its derivatives, vinyl acetate, vinyl alcohol, vinylpyrrolidone, acrylamide, and its derivatives Copolymers (at least one of which is a hydrophilic monomer), such as block copolymers, random copolymers, and graft copolymers, and salts thereof. These resins are preferably alkali-soluble resins that are soluble in an aqueous solution in which a base is dissolved.

Further, the ink of the present invention contains an aqueous liquid medium, and water as an essential component is contained in an amount of 10 to the total weight of the ink.
The content is preferably in the range of from 93 to 93% by weight, preferably from 25 to 87% by weight, more preferably from 30 to 82% by weight.

Further, the aqueous liquid medium preferably contains an organic solvent in addition to water.

Examples of the organic solvent include ketones or keto alcohols such as acetone and diacetone alcohol; ethers such as tetrahydrofuran and dioxane;
Oxyethylene or oxypropylene addition polymers such as diethylene glycol, triethylene glycol, tetraethylene glycol, dipropylene glycol, tripropylene glycol, polyethylene glycol and polypropylene glycol; ethylene glycol, propylene glycol, trimethylene glycol, butylene glycol, 1,2 Alkylene glycols having an alkylene group containing 2 to 6 carbon atoms, such as 1,6-hexanetriol and hexylene glycol; thiodiglycol; glycerin; ethylene glycol monomethyl (or ethyl) ether, diethylene glycol monomethyl (or ethyl) ether, Lower alkyl ethers of polyhydric alcohols such as triethylene glycol monomethyl (or ethyl) ether; Lower dialkyl ethers of polyhydric alcohols such as lenglycol dimethyl (or ethyl) ether and tetraethylene glycol dimethyl (or ethyl) ether; sulfolane, N-methyl-2-pyrrolidone, 1,3-dimethyl-2-imidazolidinone And the like.

When the above-mentioned mediums are used in combination, they can be used alone or as a mixture. The most preferred liquid medium composition is one in which the solvent contains at least one polyhydric alcohol. Among them, thiodiglycol, diethylene glycol alone or diethylene glycol,
The thiodiglycol mixed system is particularly good.

The content of the water-soluble organic solvent is generally in the range of 5 to 60%, preferably 5 to 50% by weight based on the total weight of the ink.

The main components of the ink used in the present invention are as described above, but various other known viscosity modifiers, surface tension modifiers, fluorescent whitening agents and defoamers may be added as necessary. Can be. Examples thereof include viscosity modifiers such as polyvinyl alcohol, celluloses, and water-soluble resins; surface tension regulators such as diethanolamine and triethanolamine; pH regulators with buffer solutions;

For purposes other than dispersing the dye, various dispersants, surfactants and the like can be added as necessary to the ink.

The ink of the present invention can be produced by using a conventionally known dispersing method, mixing method, and the like, together with the above-mentioned dye, a compound for dispersing the dye, a solvent, water, and other additives.

The ink-jet printing method of the present invention comprises:
Small droplets of the ink are deposited on the cloth by the ink jet method to form a color mixture portion of at least two colors of ink.

In this case, the total amount of the attached dyes in the mixed color portion is 0.01 to 1 mg / cm ² , preferably 0.015 mg / cm ² .
０．６0.6 mg / cm ^2, more preferably 0.02 to 0.4 mg / cm ²
mg / cm ² . This value can be obtained by actually measuring the ink ejection amount and the dye concentration in the ink. If the amount of the pigment attached is less than 0.01 mg / cm ^2, it is difficult to form a high-density color, so that the effect of the present invention is not clear. On the other hand, if it exceeds 1 mg / cm ² , no remarkable effect of improving the density, the color reproduction range, the dyeing stability and the like is not recognized.

The ink-jet method used for such ink-jet printing may be any of the conventionally known ink-jet recording methods. For example, JP-A-54-59936
In the method described in Japanese Patent Application Laid-Open Publication No. H10-150, a method in which ink subjected to the action of thermal energy causes a sudden change in volume and the ink is ejected from a nozzle by the action force due to this state change, that is, a bubble jet method is most effective. It is.

This is because, in the above method, when a recording head having a plurality of nozzles is used, the variation in the ink ejection speed between the nozzles is small, and the ink ejection speed is 5 to 20 m.
/ Sec in the range, and it is considered that the degree of penetration of the droplets into the fibers at the time of landing when the ink containing the disperse dye collides with the fabric at this speed is optimized.

According to the present invention, even when printing is performed continuously for a long time by such a method, deposition of foreign matter on the heater or disconnection does not occur, and stable printing can be performed.

Further, in such an ink-jet method, the condition for obtaining a particularly high effect is that the ejected droplets are 20 to 20.
0 pl, an ink ejection amount of 4 to 40 nl / mm ² , a driving frequency of 1.5 KHz or more, and a head temperature of 35 to 60 ° C. are preferable.

In addition, since the ink applied on the cloth as described above merely adheres in this state, the process of dyeing the fiber and removing the undyed dye is continued. Need to be applied. Conventionally known methods may be used for removing such dyed and undyed dyes.

In particular, as for the dyeing method, it is preferable to use the HT steaming method or the thermosol method.
Furthermore, in the case of the HT steaming method, 140 ° C to 180 ° C
Is preferably 2 to 30 minutes.
More preferably, the treatment conditions are 6 to 8 minutes at a temperature of from 180 to 180 ° C. In the case of the thermosol method, the treatment is preferably performed at 160 ° C. to 210 ° C. for 10 seconds to 5 minutes.
More preferably, the processing conditions are 210 ° C. for 20 seconds to 2 minutes.

The obtained printed matter is cut into a desired size as necessary, and the cut pieces are subjected to a process for obtaining a final processed product such as sewing, bonding, welding, or the like. Thus, processed products such as ties and handkerchiefs can be obtained.

An example of an apparatus suitable for performing printing using the ink of the present invention is an apparatus which applies thermal energy corresponding to a recording signal to ink in a chamber of a recording head and generates droplets by the thermal energy. This will be described below.

FIGS. 1, 2 and 3 show examples of the structure of a head which is a main part of the apparatus.

The head 13 includes a glass, ceramic or plastic plate having a groove 14 through which ink passes, and a heating head 15 used for thermal recording (a head is shown in the figure, but is not limited to this). And obtained by bonding. The heating head 15 includes a protective film 16 made of silicon oxide or the like, aluminum electrodes 17-1, 17-2,
Heating resistor layer 18 made of nichrome or the like, heat storage layer 1
9, a substrate 20 having good heat dissipation such as alumina.

The ink 21 has a discharge orifice (fine hole) 2
2, and the meniscus 23 is formed by the pressure P.

When an electric signal is applied to the electrodes 17-1 and 17-2, the area of the heating head 15 indicated by n rapidly generates heat, and bubbles are generated in the ink 21 in contact with the area.
Under the pressure, the meniscus 23 protrudes, the ink 21 is ejected, the orifice 22 becomes a recording droplet 24, and flies toward the fabric 25 used in the present invention. FIG. 3 shows an external view of a multi-head in which many heads shown in FIG. 1 are arranged.
The multi-head is a glass plate 27 having a multi-groove 26
And a heating head 28 similar to that described with reference to FIG. FIG. 1 is a cross-sectional view of the head 13 along the ink flow path, and FIG. 2 is a cross-sectional view taken along line AB in FIG.

FIG. 4 shows an example of an ink jet recording apparatus incorporating such a head.

In FIG. 4, reference numeral 61 denotes a blade as a wiping member, one end of which is held by a blade holding member to become a fixed end, and forms a cantilever. The blade 61 is disposed at a position adjacent to a recording area of the recording head, and in this example, is held in a form protruding into the movement path of the recording head. Reference numeral 62 denotes a cap, which is provided at a home position adjacent to the blade 61, and has a configuration in which the cap moves in a direction perpendicular to the direction in which the print head moves and comes into contact with the ejection port surface to perform capping. Further, an absorber 63 is provided adjacent to the blade 61 and, like the blade 61, is held in a form protruding into the movement path of the recording head. The blade 61, the cap 62, and the absorber 63 constitute an ejection recovery section 64,
The blade 61 and the absorber 63 remove water, dust, and the like from the ink ejection port surface. Reference numeral 65 denotes a recording head which has ejection energy generating means and performs recording by discharging ink on a fabric facing the ejection port surface provided with the ejection port, and 66 carries the recording head 65 and moves the recording head 65. Carriage. The carriage 66 is slidably engaged with the guide shaft 67, and a part of the carriage 66 is a motor 68.
(Not shown) connected to the belt 69 driven by the motor. As a result, the carriage 66 can move along the guide shaft 67, and the recording head 65 can move the recording area and the adjacent area.

Numeral 51 is a cloth feeding section for inserting a cloth, and numeral 52 is a cloth feed roller driven by a motor (not shown).
With these configurations, the cloth is supplied to a position facing the discharge port surface of the recording head, and is discharged to a discharge section provided with a discharge roller 53 as recording proceeds.

In the above configuration, when the recording head 65 returns to the home position at the end of recording or the like, the cap 62 of the head recovery unit 64 is retracted from the moving path of the recording head 65, but the blade 61 protrudes into the moving path. I have. As a result, the ejection port surface of the recording head 65 is wiped. When capping is performed with the cap 62 in contact with the ejection surface of the recording head 65, the cap 62 moves so as to protrude into the movement path of the recording head.

When the recording head 65 moves from the home position to the recording start position, the cap 62 and the blade 61 are at the same position as the position at the time of wiping described above. As a result, the ejection port surface of the recording head 65 is also wiped during this movement.

The above-described movement of the print head to the home position is performed not only at the end of printing or at the time of ejection recovery, but also at a predetermined interval while the print head moves through the printing area for printing. Position, and the wiping is performed along with the movement. FIG. 5 is a diagram illustrating an example of an ink cartridge in which ink supplied to a head via an ink supply member, for example, a tube is stored. Here, reference numeral 40 denotes an ink storage portion that stores the supply ink, for example, an ink bag, and a rubber stopper 42 is provided at the tip thereof. By inserting a needle (not shown) into the stopper 42, the ink in the ink bag 40 can be supplied to the head. Reference numeral 44 denotes an absorber for receiving the waste ink. It is preferable for the present invention that the ink container has a surface in contact with the ink made of polyolefin, particularly polyethylene. The ink jet recording apparatus used in the present invention is not limited to the one in which the head and the ink cartridge are separated as described above, but may be suitably used in an integrated one as shown in FIG.

In FIG. 6, reference numeral 70 denotes a recording unit, in which an ink storage section for storing ink, for example, an ink absorber is stored, and the ink in the ink absorber has a plurality of orifices. Head part 71
Are ejected as ink droplets from the ink. As the material of the ink absorber, it is preferable for the present invention to use polyurethane. Reference numeral 72 denotes an atmosphere communication port for communicating the inside of the recording unit with the atmosphere. The recording unit 70 is used in place of the recording head shown in FIG. 4, and is detachable from the carriage 66.

Although the present invention is applicable to office use, it is particularly suitable for industrial use other than office use.

[0066]

Next, the present invention will be described more specifically with reference to examples and comparative examples. In the following, “parts” and “%” are based on weight unless otherwise specified.

Example 1 Preparation of Disperse Dye Solution (I, II) Sodium polyoxyethylene alkyl ether sulfate 5 parts Deionized water 75 parts Diethylene glycol 5 parts The above components were mixed, and the following disperse dye 15 was newly added to this solution.
Then, after mixing for 30 minutes, dispersion treatment was performed under the following conditions. Disperse dye C.I. I. Disperse Orange 29 (for dye dispersion I) C.I. I. Disperse Red 283 (for Dye Dispersion II) Disperser Sand grinder (Igarashi Kikai) Grinding media Zirconium beads 1 mm diameter Grinding media filling rate 50% (volume) Grinding time 3 hours Further centrifugation (12000 RPM, 20 minutes) After that, the mixture was filtered through a Fluoropore Filter FP-250 (manufactured by Sumitomo Electric Industries, Ltd.) to remove coarse particles to obtain Disperse Dye Solutions (I, II).

Production of inks (A, B) 40 parts of the above-mentioned disperse dye liquid (I, II) 24 parts of thiodiglycol 11 parts of diethylene glycol 25 parts of ion-exchanged water The pH was adjusted to 5 to 7 with acetic acid to obtain inks (A, B).

A woven fabric of 100% polyester was soaked in advance in a treatment liquid (urea 10%, sodium alginate 2%, water 88%), dehydrated at a squeezing rate of 30%, and dried.

The ink (A, B) obtained as described above was applied to this woven fabric by a color bubble jet printer BJC8.
20 (trade name made by Canon) and print,
Twenty-four kinds of the following print patch totals having a size of 2 × 4 cm were prepared.・ Single color printing patch Ink A is applied to each ink 2,
Printed at 4, 6, 8 nl / mm ² Ink B was applied at each ink ejection amount of ² , ⁴ , 6, 8 nl / mm ²
Printed in ^2- Mixed-color print patch Printed with inks A and B superimposed in all combinations of the above-described ejection amounts (for example, a patch in which both ink A and ink B were printed at ² nl / mm2, ink A) 4 nl / mm ² , and ink B ² nl / mm ²
was fixed by steaming in 6-8 min mm ² as the printing or the like) 16 Type followed 160 ° C.. Thereafter, this was washed with a neutral detergent, and the reproduction range of orange to scarlet regions of the printed matter and color development stability were evaluated. As a result, as shown in Table 1, the coloring from the orange to the scarlet region was good, and the coloring stability in the mixed color portion was good.

Example 2 Preparation of Disperse Dye Solutions (III, IV) Sodium Lignin Sulfonate 2 parts Ion-exchanged water 73 parts Diethylene glycol 15 parts The above components were mixed, and the following disperse dye 10 was added to this solution.
Then, after mixing for 30 minutes, dispersion treatment was performed under the following conditions. Disperse dye C.I. I. Disperse Orange 49 (for Dye Dispersion III) C.I. I. Disperse Red 145 (for dye dispersion IV) Disperser Sand grinder (Igarashi Kikai) Pulverized media Glass beads 0.5 mm diameter Filling rate of pulverized media 70% (volume) Pulverization time 3 hours Further centrifugation (12000 RPM, 20) Min), and filtered through a Fluoropore Filter FP-250 (manufactured by Sumitomo Electric Industries, Ltd.) to remove coarse particles, and the disperse dye solution (I
II, IV).

Production of inks (C, D) 30 parts of the above disperse dye liquid (III, IV) 25 parts of thiodiglycol 5 parts of tetraethylene glycol dimethyl ether 50 parts of ion-exchanged water The mixture was adjusted to pH 5 to 7 with acetic acid to obtain inks (C, D).

The ink (C, D) obtained as described above was printed on the woven fabric used in Example 1 by the same method as in Example 1. Then at 200 ° C 40 ~
Fixing was performed by a thermosol treatment for 50 seconds. Thereafter, this was washed with a neutral detergent, and the reproduction range of orange to scarlet regions of the printed matter and color development stability were evaluated. As a result, as shown in Table 1, the coloring from the orange to the scarlet region was good, and the coloring stability in the mixed color portion was good.

Example 3 Preparation of Disperse Dye Liquid (V, VI) β-Naphthalenesulfonic acid formaldehyde condensate 20 parts Ion-exchanged water 50 parts Diethylene glycol 10 parts The above components were mixed, and the following disperse dye 20 was newly added to this solution.
Then, after mixing for 30 minutes, dispersion treatment was performed under the following conditions. Disperse dye C.I. I. Disperse Orange 73 (for dye dispersion V) C.I. I. Disperse Red 348 (for dye dispersion VI) Disperser Pearl Mill (manufactured by Ashizawa) Pulverization media Glass beads 1 mm diameter Filling rate of pulverization media 50% (volume) Discharge speed 100 ml / min Further centrifugation (12000 RPM, 20 minutes) After that, the mixture was filtered with a Fluoropore Filter FP-250 (manufactured by Sumitomo Electric Industries, Ltd.) to remove coarse particles to obtain a disperse dye solution (V, VI).

Production of inks (E, F) 50 parts of the above disperse dye liquid (V, VI) 23 parts of thiodiglycol 5 parts of diethylene glycol 3 parts of isopropyl alcohol 19 parts of ion-exchanged water All of the above components were mixed. Then, the mixture was adjusted to pH 5 to 7 with acetic acid to obtain inks (E, F).

A woven fabric in which 70% of polyester and 30% of cotton are blended is immersed in a treating solution (urea 10%, carboxymethylcellulose 2%, water 88%) in advance, and the squeezing ratio is 3
After dehydration at 0%, it was dried. The ink (E, F) obtained as described above was printed in the same pattern on this woven fabric in the same manner as in Example 1. Subsequently, steaming heat treatment was performed at 160 ° C. for 6 to 8 minutes. Thereafter, this was washed with a neutral detergent, and the reproduction range of orange to scarlet regions of the printed matter and color development stability were evaluated. As a result, as shown in Table 1, the coloring from the orange to the scarlet region was good, and the coloring stability in the mixed color portion was good.

Comparative Example 1 Preparation of Disperse Dye Solutions (VII, VIII) Sodium polyoxyethylene alkyl ether sulfate 5 parts Deionized water 75 parts Diethylene glycol 5 parts The above components were mixed, and the following disperse dye 15 was newly added to this solution.
Then, after mixing for 30 minutes, dispersion treatment was performed under the following conditions. Disperse dye C.I. I. Disperse Orange 61 (for dye dispersion VII) C.I. I. Disperse Red 113 (for dye dispersion VIII) Disperser Sand grinder (made by Igarashi Kikai) Grinding media Zirconium beads 1 mm diameter Filling ratio of grinding media 50% (volume) Grinding time 3 hours Further centrifugation (12000 RPM, 20 minutes) After that, the mixture was filtered through a Fluoropore Filter FP-250 (manufactured by Sumitomo Electric Industries, Ltd.) to remove coarse particles, and a dispersion dye solution (V
II, VIII).

Preparation of inks (G, H) 40 parts of the above-mentioned disperse dye liquids (VII, VIII) 24 parts of thiodiglycol 11 parts of diethylene glycol 25 parts of ion-exchanged water The pH was adjusted to 5 to 7 with acetic acid to obtain inks (G, H).

The ink (G, H) obtained as described above was printed in the same pattern on the woven fabric used in Example 1 by the same method as in Example 1. Then, fixing was performed by steaming at 160 ° C. for 6 to 8 minutes. Thereafter, this was washed with a neutral detergent, and the reproduction range of orange to scarlet regions of the printed matter and color development stability were evaluated. As a result, as shown in Table 1, the color development from the orange to the scarlet region was not so good, and the color development stability in the mixed color portion was poor.

Comparative Example 2 Preparation of Disperse Dye Liquid (IX) 5 parts of sodium polyoxyethylene alkyl ether sulfate 75 parts of ion-exchanged water 5 parts of diethylene glycol The above components were mixed, and the following disperse dye 15 was newly added to this solution.
Then, after mixing for 30 minutes, dispersion treatment was performed under the following conditions. Disperse dye C.I. I. Disperse Orange 30 (for dye dispersion IX) Disperser Sand grinder (made by Igarashi Kikai) Grinding media Zirconium beads 1 mm diameter Filling ratio of grinding media 50% (volume) Grinding time 3 hours Further centrifugation (12000 RPM, 20 minutes) After that, the mixture was filtered through a Fluoropore Filter FP-250 (manufactured by Sumitomo Electric Industries, Ltd.) to remove coarse particles, and the dispersed dye solution (I
X) was obtained.

Preparation of Ink (I) 40 parts of the above-mentioned disperse dye liquid (IX) 24 parts of thiodiglycol 11 parts of diethylene glycol 25 parts of ion-exchanged water All the above components were mixed, and the mixture was adjusted to pH 5 with acetic acid. 7 to obtain ink (I).

The ink (I) obtained as described above and the ink (B) used in Example 1 were printed in the same pattern as in Example 1 on the woven fabric used in Example 1. . Then, fixing was performed by steaming at 160 ° C. for 6 to 8 minutes. Thereafter, this was washed with a neutral detergent, and the reproduction range of orange to scarlet regions of the printed matter and color development stability were evaluated. As a result, as shown in Table 1, the color development from orange to the scarlet region was not very good, and the color development stability in the mixed color area was poor.

Comparative Example 3 Preparation of Disperse Dye Liquid (X) β-Naphthalenesulfonic acid formaldehyde condensate 20 parts Deionized water 50 parts Diethylene glycol 10 parts The above components were mixed, and the following disperse dye 20 was added to this solution.
Then, after mixing for 30 minutes, dispersion treatment was performed under the following conditions. Disperse dye C.I. I. Disperse Yellow 56 (for Dye Dispersion X) Disperser Pearl Mill (manufactured by Ashizawa) Grinding media Glass beads 1 mm diameter Filling ratio of grinding media 50% (volume) Discharge speed 100 ml / min Further centrifugation (12000 RPM, 20 minutes) After that, filtration was performed with a Fluoropore Filter FP-250 (manufactured by Sumitomo Electric Industries, Ltd.) to remove coarse particles, thereby obtaining a disperse dye solution (X).

Production of ink (J) : 50 parts of the above-mentioned disperse dye liquid (X); 23 parts of thiodiglycol; 5 parts of diethylene glycol; 3 parts of isopropyl alcohol; 19 parts of ion-exchanged water. Was adjusted to pH 5 to 7 with acetic acid to obtain an ink (J).

On the woven fabric used in Example 3, the ink (J) obtained as described above and the ink (F) used in Example 3 were printed in the same pattern as in Example 1 by the same method. . Then, fixing was performed by steaming at 160 ° C. for 6 to 8 minutes. Thereafter, this was washed with a neutral detergent, and the color development and density of the dyed product were evaluated. As a result, Table 1
As shown in Example 3, the color development from orange to the scarlet region and the color development stability in the mixed color portion were not so good as compared with Example 3.

[0086]

[Table 1]

[0087]

As described above, according to the present invention, it is possible to obtain a printed matter having a wide color reproduction range from orange to scarlet and excellent in production stability.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a head section of an ink jet printing apparatus.

FIG. 2 is a cross-sectional view of a head section of the inkjet printing apparatus.

FIG. 3 is an external perspective view of a head obtained by multiplying the head shown in FIG. 1;

FIG. 4 is a perspective view showing an example of an inkjet printing apparatus.

FIG. 5 is a longitudinal sectional view of the ink cartridge.

FIG. 6 is a perspective view of a recording unit.

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Tomoya Yamamoto 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Inc. (72) Inventor Mariko Suzuki 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon (72) Inventor Masahiro Haruta 3-30-2 Shimomaruko, Ota-ku, Tokyo Canon Inc. (56) References JP-A-5-209378 (JP, A) JP-A-61-118473 (JP) JP-A-5-195448 (JP, A) JP-A-7-3666 (JP, A) JP-A-7-26478 (JP, A) (58) Fields investigated (Int. Cl. ⁶ , DB Name) D06P 5/00 111 D06P 1/16 D06P 3/54

Claims (20)

(57) [Claims] 1. A method for printing by applying at least two colors of ink of orange and red to a fabric by an ink jet method, wherein (a) the two colors of ink are overlapped at least partially. (B) a step of heat-treating the ink-applied cloth, and (c) a step of washing the heat-treated cloth.
At least a process, wherein the fabric is a fabric containing fibers that can be dyed with a disperse dye, wherein the ink contains at least a dye, a compound that disperses the dye, and an aqueous liquid medium, and the orange ink is CI Disperse Orange 13, 29, 31: 1, 33, 49, 54, 5
The red ink contains at least one selected from the group consisting of 5, 66, 73, 119, and 163, and the red ink is CI Disperse Red 54, 72, 73, 86, 88, 91, 92, 9 as a pigment.
3, 111, 126, 127, 134, 135, 14
3, 145, 152, 153, 154, 159, 16
4,167: 1,177,181,204,206,2
07, 221, 258, 278, 283, 288, 31
1,323,343,348,356, and at least one contains the at least two color inks selected from the group consisting of CI Disperse Violet 33
The adhesion amount of the dye in the color mixing section, of 0.01mg~1mg / cm ²
An inkjet printing method characterized by being in a range . 2. The ink-jet printing method according to claim 1, wherein the cloth contains polyester fibers. 3. The ink-jet printing method according to claim 1, wherein the heat treatment is a high-humidity steaming (HT steaming) method or a thermosol method. 4. The ink-jet printing method according to claim 1, wherein said ink-jet method is an ink-jet method in which ink is ejected using thermal energy. 5. An ink ejection speed of 5 to 20 m / se.
The inkjet printing method according to claim 1, wherein the inkjet printing method is c. 6. The ink jet printing method according to claim 1, wherein the cloth is pre-treated before the step (a). 7. The ink jet printing method according to claim 1, wherein at least one of urea, a water-soluble polymer, and a water-soluble metal salt is contained in the fabric as the pretreatment. 8. The inkjet printing method according to claim 1, wherein the orange ink contains at least one selected from CI Disperse Oranges 29, 49, and 73 as a pigment. 9. A red ink as a pigment, CI Disperse Red 92, 126, 135, 145, 15
2, 159, 177, 181, 206, 283, 34
8. A composition comprising at least one selected from the group consisting of:
3. The ink-jet printing method according to item 1. 10. The amount of the pigment attached to the mixed color portion is 0.015.
Ink-jet printing method as claimed in claim 1 in the range of ~0.6mg / cm ^2. (11) The amount of the dye attached to the mixed color portion is 0.02 to 0.1.
The inkjet printing method according to claim 10, wherein the amount is in a range of 4 mg / cm ² . 12. The method according to claim 1, wherein
Pudding printed by ink jet printing
Object. 13. The method according to claim 1, wherein the two pigments of orange and red are low in color.
Fibers that can be dyed with a disperse dye
A printed matter dyeing a fabric containing fibers, wherein the orange pigment is CI Disperse Orange 1
3, 29, 31: 1, 33, 49, 54, 55, 66,
Selected from the group consisting of 73, 119, and 163
At least one kind thereof, wherein the red dye is CI Disperse Red 54, 7
2, 73, 86, 88, 91, 92, 93, 111, 1
26, 127, 134, 135, 143, 145, 15
2,153,154,159,164,167: 1,1
77, 181, 204, 206, 207, 221, 25
8, 278, 283, 288, 311, 323, 34
3, 348, 356 and CI Disperse Biore
At least one selected from the group consisting of
Yes, and the amount in the mixed color portion of at least two colors is 0.01 mg
Printed matter characterized by being in the range of ~ 1 mg / cm2 . 14. The printed matter comprises polyester fibers.
14. Printed on a fabric containing the same.
Printed matter of. 15. The orange pigment is CI Disperse Oleide.
At least one selected from nozzles 29, 49 and 73
The printed matter according to claim 13 . 16. The method according to claim 16, wherein the red dye is CI disperse red.
, 92, 126, 135, 145, 152, 159,
Selected from 177, 181, 206, 283, 348
14. The print according to claim 13, wherein the print is at least one type.
Stuff. 17. The amount of the pigment in the mixed color portion is 0.015 to 0.6 mg.
The printed matter according to claim 13 , which is in the range of / cm2 . 18. The amount of the pigment in the mixed color portion is 0.02 to 0.4 mg /
Print product according to claim 17 which is in the range of cm ^2. 19. The print according to claim 12 or 13.
A processed product obtained by further processing a product. 20. The processed article according to claim 1 ,
Cut to size and apply final
Claims obtained by performing the process for obtaining the product
Item 20. The processed product according to item 19.