CN109371713B - Disperse dye ink for thermal transfer printing of thin paper and preparation method thereof - Google Patents

Disperse dye ink for thermal transfer printing of thin paper and preparation method thereof Download PDF

Info

Publication number
CN109371713B
CN109371713B CN201811247926.5A CN201811247926A CN109371713B CN 109371713 B CN109371713 B CN 109371713B CN 201811247926 A CN201811247926 A CN 201811247926A CN 109371713 B CN109371713 B CN 109371713B
Authority
CN
China
Prior art keywords
disperse dye
ink
dye
thermal transfer
ether
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201811247926.5A
Other languages
Chinese (zh)
Other versions
CN109371713A (en
Inventor
刘寒剑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Mikai Digital Technology Co ltd
Original Assignee
Hefei Mikai Digital Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Mikai Digital Technology Co ltd filed Critical Hefei Mikai Digital Technology Co ltd
Priority to CN201811247926.5A priority Critical patent/CN109371713B/en
Publication of CN109371713A publication Critical patent/CN109371713A/en
Application granted granted Critical
Publication of CN109371713B publication Critical patent/CN109371713B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/16General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using dispersed, e.g. acetate, dyestuffs
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/46General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/52General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
    • D06P1/5207Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
    • D06P1/525Polymers of unsaturated carboxylic acids or functional derivatives thereof
    • D06P1/5257(Meth)acrylic acid
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • D06P1/60General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing polyethers
    • D06P1/613Polyethers without nitrogen
    • D06P1/6138Polymerisation products of glycols, e.g. Carbowax, Pluronics
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/003Transfer printing
    • D06P5/004Transfer printing using subliming dyes
    • D06P5/006Transfer printing using subliming dyes using specified dyes

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

The invention discloses a disperse dye ink for thermal transfer printing of thin paper and a preparation method thereof, wherein the disperse dye ink for thermal transfer printing of thin paper comprises the following components in percentage by mass: 3-10% of pigment, 1-5% of dispersing agent, 1-3% of humectant, 20-30% of organic solvent, 0.2-1.5% of surfactant, 1.5-3% of pH regulator, 0.5-2% of bacteriostatic agent and the balance of deionized water. The ink can be sprayed and printed on low-gram-weight thermal transfer paper from a piezoelectric inkjet printing machine, and is subjected to digital printing by using a thermal sublimation process, so that the ink has good fluency, color fastness and good fabric hand feeling.

Description

Disperse dye ink for thermal transfer printing of thin paper and preparation method thereof
Technical Field
The invention relates to disperse dye ink for thin paper thermal transfer printing and a preparation method thereof, belonging to the technical field of organic chemistry and textile printing and dyeing.
Background
At present, the inkjet inks used for textile printing are mainly reactive dye inks, disperse dye inks, acid dye inks and pigment inks. The thermal sublimation ink is suitable for printing chemical fiber textiles, and the process is to print patterns on thermal transfer paper by using a wide-width printer or an industrial printing machine, and then transfer and print the patterns on chemical fiber textiles by heating transfer. The disperse dye ink used in the current market can only adapt to thermal transfer paper with certain thickness requirement, and has higher requirement on the gram weight of the paper (80 g of paper is currently used). Under the current great trend of energy conservation and environmental protection, the disperse dye ink capable of using thin paper for thermal transfer printing is designed, so that the use amount of thermal transfer printing paper can be greatly reduced, the aims of reducing cost and pollution are achieved, and the disperse dye ink is an important development target in the current digital printing industry.
Disclosure of Invention
In order to avoid the defects of the prior art, the invention discloses disperse dye ink for thermal transfer printing of thin paper and a preparation method thereof, so as to reduce the gram weight of the thermal transfer paper currently used. The disperse dye ink has good fluency, color fastness and good fabric hand feeling.
The invention relates to disperse dye ink for thermal transfer printing of thin paper, which comprises the following components in percentage by mass:
3-10% of pigment, 1-5% of dispersing agent, 1-3% of humectant, 20-30% of organic solvent, 0.2-1.5% of surfactant, 1.5-3% of pH regulator, 0.5-2% of bacteriostatic agent and the balance of deionized water.
The pigment is yellow dye, red dye or cyan dye; wherein the yellow dye is: disperse dye yellow 54; the red dye is: disperse dye red 60; the cyan dye is: disperse dye blue 359.
The dispersing agent is a mixture of acrylic resin Eudragit S100, sodium lignosulfonate and polyethylene glycol 1000, and the mass ratio of the acrylic resin Eudragit S100 to the sodium lignosulfonate to the polyethylene glycol 1000 is 1-3: 1-3: 1-3.
The humectant is a mixture formed by mixing alcohol and ether in equal volume; the alcohol is glycerol or ethylene glycol, and the ether is diethylene glycol ether, ethylene glycol monomethyl ether or triethylene glycol ethyl ether.
The surfactant is nonionic surfactant DC-105 or RCOOCH2C(CH2OH)3、RO(C3H6O)m(C2H4O)nH. One or a mixture of two of Triton X-100 and polyoxyethylene polyol ether fatty acid ester Tween20 according to equal volume amount.
The organic solvent is selected from glycerol or ethylene glycol.
The bacteriostatic agent is selected from one or two of chlorocresol, N-octyl-4-isothiazoline-3-ketone and dodecyl dimethyl benzyl ammonium chloride.
The pH regulator is selected from monoethanolamine or ammonium hydroxide.
The preparation method of the disperse dye ink for the thermal transfer printing of the thin paper comprises the following steps:
step 1: weighing pigment, a dispersing agent and deionized water according to a ratio, stirring and mixing uniformly, and grinding and dispersing to obtain pigment color paste with the solid content of 10-15%; the solid content refers to the proportion of the weight of the pigment in the weight of the pigment paste.
Step 2: mixing the pigment color paste obtained in the step 1, deionized water and an organic solvent according to a mass ratio of 1: 1: 0.8, adding the humectant and the surfactant while stirring, adjusting the pH value to 8-9 by using a pH regulator, and then adding the bacteriostatic agent to obtain the mixed ink;
and step 3: and (3) filtering the mixed ink obtained in the step (2) by using a 0.5-1 um microporous filter membrane to obtain a filtrate, and performing secondary filtration on the filtrate by using a 0.1-0.5 um microporous filter membrane to obtain the disperse dye ink.
In the step 1, the particle size of the solid particles in the prepared pigment paste is 100-300 nm.
The invention prepares pigment color paste by grinding and dispersing disperse dye and dispersant, adds humectant, organic solvent, surfactant, preservative, pH regulator and deionized water, fully mixes, and filters with microporous membrane to prepare disperse dye ink.
The ink can be sprayed and printed on low-gram-weight thermal transfer paper from a piezoelectric inkjet printing machine, and is subjected to digital printing by using a thermal sublimation process, so that the ink has good fluency, color fastness and good fabric hand feeling.
Compared with the prior art, the invention has the beneficial effects that:
1. the disperse dye ink has the characteristic of quick drying, can be quickly dried on thin paper without wrinkling, and can be used for textile printing operation by using thin thermal transfer paper with the weight of 40-50 grams.
2. The physical parameters of the disperse dye printing ink prepared by the method are as follows: the ink has viscosity of 1-3 mPa.s at 25 ℃, surface tension of 25-40mN/m and pH value of 8-9, has better printing fluency, and can continuously print 150 meters without broken line on a digital printing machine adopting a fifth generation nozzle of Epson company.
Detailed Description
The present invention will be further described with reference to the following specific embodiments.
Example 1: preparation of yellow ink
1. 40g of disperse dye yellow 54, 14g of acrylic acid modified resin, 7.5g of acrylic acid resin, 7.5g of polyethylene glycol 1000, 7.5g of sodium lignosulfonate and 243ml of deionized water are taken, firstly stirred at a low speed of 200 revolutions per minute by a stirrer for 30 minutes, and then ground in a grinding and dispersing machine with the speed of 5000-10000 revolutions per minute for 3 hours to obtain 400g of pigment color paste with the solid content of 10%, wherein the particle size of solid (pigment and dispersing agent) is required to be 100-300 nm.
2. Adding 300ml of deionized water into the pigment color paste, stirring in a stirrer (the rotating speed is 200 revolutions per minute), adding 15g of humectant formed by mixing 240g of glycerol, diethylene glycol and diethylene glycol ether in equal volume ratio, 5g of Triton X-100 surfactant, adding 20g of pH regulator monoethanolamine after 30 minutes, and adding 10g of bacteriostatic chlorocresol.
3. The mixed ink was filtered through a 1um microfiltration membrane, and the filtrate was further filtered through a 0.2um microfiltration membrane. And obtaining the finished product of the ink.
The yellow disperse dye ink prepared by the embodiment has pure color, viscosity of 2.2-2.5mPa & s at 25 ℃, surface tension of 30-33mN/m, pH value of 8.2 and good fluency, and can be continuously printed on a digital printing machine adopting a fifth generation nozzle of Epson company without broken line for 150 meters. Can print on thermal transfer paper with the weight of 40g, does not wrinkle and does not influence the transfer effect.
Example 2: preparation of cyan ink
1. 40g of disperse dye blue 359, 7.5g of acrylic resin, 7.5g of polyethylene glycol 1000, 7.5g of sodium lignosulfonate and 243ml of deionized water are taken, firstly stirred by a stirrer at a low speed of 200 revolutions per minute for 30 minutes, and then ground in a grinding and dispersing machine at 10000 revolutions per minute for 3 hours, so as to obtain 400g of pigment color paste with the solid content of 10%, wherein the solid (pigment and dispersing agent) is required to obtain the particle size of 100-300 nm.
2. 300ml of deionized water is added into the pigment color paste, and 240g of glycerin, 15g of humectant which is formed by mixing diethylene glycol and diethylene glycol ether in equal volume ratio and 5g of Triton X-100 surfactant are added into a stirrer while stirring (the rotating speed is 200 revolutions per minute). After 30 minutes, 20g of monoethanolamine serving as a pH regulator is added, and 10g of chlorocresol serving as a bacteriostatic agent is added.
3. And filtering the mixed ink by using a 0.8um microporous filter membrane, and further filtering the filtrate by using a 0.2um microporous filter membrane to obtain an ink finished product.
The cyan disperse dye ink prepared by the embodiment has pure color, viscosity of 2.3-2.6mPa & s at 25 ℃, surface tension of 29-32mN/m, pH value of 8.4 and good fluency, can be continuously printed on a digital printing machine adopting a fifth generation nozzle of Epson company for 150 meters without broken lines, can be printed on thermal transfer paper with weight of 40g, and does not wrinkle or influence the transfer effect.
Example 3: preparation of magenta inks
1. 40g of disperse red 60, 7.5g of acrylic resin, 7.5g of polyethylene glycol 1000, 7.5g of sodium lignosulfonate and 243ml of deionized water are taken, firstly stirred by a stirrer at a low speed of 200 revolutions per minute for 30 minutes, and then ground in a grinding and dispersing machine at 5000 plus 10000 revolutions per minute for 3 hours to obtain 400g of disperse dye color paste with the solid content of 10 percent, wherein the solid (pigment and dispersing agent) is required to obtain the particle size of 100 plus 300 nm.
2. Adding 300ml of deionized water into the pigment color paste, stirring in a stirrer (the rotating speed is 200 revolutions per minute), adding 15g of humectant formed by mixing 240g of glycerol, diethylene glycol and diethylene glycol ether in equal volume ratio, 5g of Triton X-100 surfactant, adding 20g of pH regulator monoethanolamine after 30 minutes, and adding 10g of bacteriostatic chlorocresol.
3. And filtering the mixed ink by using a 1.0um microporous filter membrane, and further filtering the filtrate by using a 0.2um microporous filter membrane to obtain an ink finished product.
The red disperse dye ink prepared by the embodiment has pure color, viscosity of 2.6-2.9mPa & s at 25 ℃, surface tension of 22-34mN/m, pH value of 8.1 and good fluency, and can be continuously printed on a digital printing machine adopting a fifth generation nozzle of Epson company without broken line for 150 meters. Can print on thermal transfer paper with the weight of 40g, does not wrinkle and does not influence the transfer effect.

Claims (6)

1. A disperse dye ink for thermal transfer printing of thin paper is characterized by comprising the following components in percentage by mass:
3-10% of disperse dye, 1-5% of dispersant, 1-3% of humectant, 20-30% of organic solvent, 0.2-1.5% of surfactant, 1.5-3% of pH regulator, 0.5-2% of bacteriostatic agent and the balance of deionized water;
the dispersing agent is a mixture of acrylic resin Eudragit S100, sodium lignosulfonate and polyethylene glycol 1000, and the mass ratio of the acrylic resin Eudragit S100 to the sodium lignosulfonate to the polyethylene glycol 1000 is 1-3: 1-3: 1-3;
the surfactant is one or a mixture of two of nonionic surfactants DC-105, Triton X-100 and polyoxyethylene polyol ether fatty acid ester Tween20 according to equal volume amount;
the pH regulator is selected from monoethanolamine or ammonium hydroxide.
2. A disperse dye ink according to claim 1, wherein:
the disperse dye is yellow dye, red dye or cyan dye; wherein the yellow dye is: disperse dye yellow 54; the red dye is: disperse dye red 60; the cyan dye is: disperse dye blue 359.
3. A disperse dye ink according to claim 1, wherein:
the humectant is a mixture formed by mixing alcohol and ether in equal volume; the alcohol is glycerol or ethylene glycol, and the ether is diethylene glycol ether, ethylene glycol monomethyl ether or triethylene glycol ethyl ether.
4. A disperse dye ink according to claim 1, wherein:
the organic solvent is selected from glycerol or ethylene glycol.
5. A disperse dye ink according to claim 1, wherein:
the bacteriostatic agent is selected from one or two of chlorocresol, N-octyl-4-isothiazoline-3-ketone and dodecyl dimethyl benzyl ammonium chloride.
6. A method for preparing the disperse dye ink for the thermal transfer printing of the thin paper according to any one of the claims 1 to 5, which is characterized by comprising the following steps:
step 1: weighing disperse dye, dispersant and deionized water according to a ratio, stirring and mixing uniformly, and grinding and dispersing to obtain dye color paste with the solid content of 10-15%;
step 2: and (2) mixing the dye color paste obtained in the step (1), deionized water and an organic solvent according to a mass ratio of 1: 1: 0.8, adding the humectant and the surfactant while stirring, adjusting the pH value to 8-9 by using a pH regulator, and then adding the bacteriostatic agent to obtain the mixed ink;
and step 3: and (3) filtering the mixed ink obtained in the step (2) by using a 0.5-1 um microporous filter membrane to obtain a filtrate, and performing secondary filtration on the filtrate by using a 0.1-0.5 um microporous filter membrane to obtain the disperse dye ink.
CN201811247926.5A 2018-10-25 2018-10-25 Disperse dye ink for thermal transfer printing of thin paper and preparation method thereof Active CN109371713B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811247926.5A CN109371713B (en) 2018-10-25 2018-10-25 Disperse dye ink for thermal transfer printing of thin paper and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811247926.5A CN109371713B (en) 2018-10-25 2018-10-25 Disperse dye ink for thermal transfer printing of thin paper and preparation method thereof

Publications (2)

Publication Number Publication Date
CN109371713A CN109371713A (en) 2019-02-22
CN109371713B true CN109371713B (en) 2021-07-30

Family

ID=65401822

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811247926.5A Active CN109371713B (en) 2018-10-25 2018-10-25 Disperse dye ink for thermal transfer printing of thin paper and preparation method thereof

Country Status (1)

Country Link
CN (1) CN109371713B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111235909B (en) * 2020-03-13 2022-12-06 珠海纳思达企业管理有限公司 Thermal sublimation ink and preparation method and application thereof
CN111254721B (en) * 2020-03-25 2023-05-12 深圳市墨库图文技术有限公司 Novel hot-stamping printing ink and preparation method and application thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101760079A (en) * 2010-02-05 2010-06-30 刘寒剑 Pigment ink for cotton inkjet printing and preparation method thereof
CN103572615A (en) * 2012-08-02 2014-02-12 绍兴县旭泰纺织有限公司 Fluorescent disperse dye ink for inkjet printing and preparation method of fluorescent disperse dye ink
CN105542568A (en) * 2016-03-08 2016-05-04 珠海保税区天然宝杰数码科技材料有限公司 Thermal sublimation ink for low-gram-weight transfer paper and printing method of thermal sublimation ink

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101760079A (en) * 2010-02-05 2010-06-30 刘寒剑 Pigment ink for cotton inkjet printing and preparation method thereof
CN103572615A (en) * 2012-08-02 2014-02-12 绍兴县旭泰纺织有限公司 Fluorescent disperse dye ink for inkjet printing and preparation method of fluorescent disperse dye ink
CN105542568A (en) * 2016-03-08 2016-05-04 珠海保税区天然宝杰数码科技材料有限公司 Thermal sublimation ink for low-gram-weight transfer paper and printing method of thermal sublimation ink

Also Published As

Publication number Publication date
CN109371713A (en) 2019-02-22

Similar Documents

Publication Publication Date Title
CN100532475C (en) Digital-printing ink-jet ink made of nano pigment and its making process
CN101531848B (en) An environment-friendly digital ink-jet direct printing textile ink and method for preparing same
CN100406527C (en) Black pigment ink for ink-jet printer and method for preparing the same
CN101760079B (en) Pigment ink for cotton inkjet printing and preparation method thereof
TWI484001B (en) An ink group for ink jet printing and printing, and a method for dyeing the fibers using the ink set
CN101899786B (en) Textile inkjet printing acid dye ink and production method thereof
TWI464222B (en) Digital sample test method for cold-transfer printing
CN107400413B (en) Nano water-based pigment ink-jet ink and preparation method thereof
CN103289473A (en) Dye-sublimation ink and preparation method thereof
CN103572615A (en) Fluorescent disperse dye ink for inkjet printing and preparation method of fluorescent disperse dye ink
CN109371713B (en) Disperse dye ink for thermal transfer printing of thin paper and preparation method thereof
JP6665286B2 (en) Fiber-based aqueous transfer ink for ink jet printer and fiber transfer paper for applying the same
CN104087066A (en) Ready-to-use type scattered ink-jet ink and preparation method thereof
AU2002349526B2 (en) Ink for inkjet recording
CN101519554B (en) Microbead latex ink and preparation method thereof
CN113881283A (en) Water-based pigment ink
CN114182545A (en) Cationic pigment ink and preparation method and application thereof
CN101134861A (en) Surface activator remixed blue ink-jet printing water-based ink and method for making same
CN111235909B (en) Thermal sublimation ink and preparation method and application thereof
CN108178949B (en) Pigment ink for digital printing of wood grain paper and preparation method thereof
CN109853256A (en) A kind of nylon fabric thermal transfer ink and preparation method thereof
KR20170045680A (en) Aqueous transferring ink for use of textile for aqueous gravure printing and textile transferring paper for the same
CN110982345A (en) Pigment ink and preparation method thereof
JP2006257305A (en) Pigment dispersion liquid, its preparation method, ink for ink-jet using it, and image forming method using it
CN101747679B (en) Method for preparing high-reduction water-alcohol color jet-ink

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant