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Yellow UV ink-jet ink for high-speed ink-jet printing and preparation method thereof

An inkjet printing and inkjet ink technology, which is applied in the field of yellow ultraviolet (UV) inkjet ink and its preparation, can solve the problems of ink limitation, can not meet the requirements of high-speed inkjet printing, etc., and achieve the effect of simple process

Inactive Publication Date: 2013-07-31
BEIJING INSTITUTE OF GRAPHIC COMMUNICATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, a variety of radiation-curable inkjet inks have been proposed in patents, but the application of these inks is limited to inkjet printing, printing and dyeing, and is far from meeting the requirements of high-speed inkjet printing.

Method used

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  • Yellow UV ink-jet ink for high-speed ink-jet printing and preparation method thereof
  • Yellow UV ink-jet ink for high-speed ink-jet printing and preparation method thereof
  • Yellow UV ink-jet ink for high-speed ink-jet printing and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Mix 30 parts of prepolymer, 40 parts of monomer, and 10 parts of dispersant, place on a constant temperature magnetic stirrer and stir for 30 minutes to mix evenly; add 20 parts of azo yellow, and use a stirrer to stir the mixture for 30 minutes for pre-dispersion , using a high-speed grinder to grind for 60 minutes to obtain a yellow ink color paste. Wherein the azo yellow is selected from Ciba company's micro Korea 3G-K, the prepolymer is a commercially available vinyl acetate resin, and the monomer is commercially available neopentyl glycol diacrylate, tripropylene glycol diacrylate and tripropylene glycol diacrylate. A mixture of methylolpropane triacrylate, the ratio is neopentyl glycol diacrylate: tripropylene glycol diacrylate: trimethylolpropane triacrylate = 9:8:3 (weight ratio), the dispersant is The modified acrylate block copolymer is selected from the disperbyk series of BYK company.

[0032]Mix 25 parts of monomer, 40 parts of film-forming resin, 6 parts ...

Embodiment 2

[0034] Mix 25 parts of prepolymer, 55 parts of monomer, and 5 parts of dispersant, place on a constant temperature magnetic stirrer and stir for 30 minutes to mix evenly; add 15 parts of benzimidazolone yellow, and use a stirrer to stir the mixture for 30 minutes for pre-treatment. After dispersion, use a high-speed grinder to grind for 90 minutes to obtain a yellow ink color paste. Wherein the benzimidazolone yellow is selected from Clariant 180 yellow, the prepolymer is a commercially available polyester acrylic resin, and the monomer is commercially available 2-ethoxyethoxyethyl acrylate, hexanediol diacrylate and ethoxylated trimethylolpropane triacrylate in the ratio 2-ethoxyethoxyethyl acrylate: hexanediol diacrylate: ethoxylated trimethylolpropane triacrylate =5:3:2 (weight ratio), the dispersant is selected from the EFKA series of BASF company.

[0035] Mix 20 parts of monomer, 41 parts of film-forming resin, 4 parts of photoinitiator (including hydrogen donor active ...

Embodiment 3

[0037] Mix 15 parts of prepolymer, 43 parts of monomer, and 12 parts of dispersant, and stir for 20 minutes to mix evenly; add 30 parts of benzidine yellow, use a stirrer to stir the mixture for 40 minutes for pre-dispersion, and use a high-speed grinder to grind 90 Minutes to obtain yellow ink paste. Wherein the benzidine yellow is selected from Ciba's Micro Korea 3R-K, the prepolymer is a commercially available polyester acrylic resin, and the monomer is a commercially available 2-phenoxyethyl acrylate, propoxylated neopentyl A mixture of diol diacrylate and trimethylolpropane trimethacrylate in the ratio 2-phenoxyethyl acrylate:propoxylated neopentyl glycol diacrylate:trimethylolpropane trimethacrylate Base acrylate = 3:3:2 (weight ratio), and the dispersant is byk-168 selected from BYK Company.

[0038] Mix 30 parts of monomer, 48 parts of film-forming resin, 1 part of photoinitiator, and 1 part of leveling agent, add 20 parts of color paste, and stir for 45 minutes with ...

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Abstract

The invention relates to a yellow UV ink-jet ink for high-speed ink-jet printing and a preparation method thereof. The yellow UV ink-jet ink is used for printing of paper materials and belongs to the technical field of digital printing. The yellow UV ink-jet ink comprises, by weight, 20 to 30 parts of color paste, 20 to 35 parts of a monomer, 30 to 55 parts of a film forming resin, and 1 to 10 parts of a photoinitiator. The color paste comprises, by weight, 15 to 30 parts of a yellow pigment, 15 to 30 parts of a prepolymer, 40 to 55 parts of a monomer and 5 to 15 parts of a dispersant. The yellow UV ink-jet ink is prepared by stirring and high-speed grinding. The yellow UV ink-jet ink satisfies ink-jet printing requirements, has particle size less than 0.5 microns, viscosity of 20 to 30cP (at 25 DEG C), surface tension of 20 to 35mN / m (at 25 DEG C), a curing rate of 30 to 50m / min (based on light source linear power of 200W / cm), and conductivity less than 18 microseconds per centimeter.

Description

technical field [0001] The invention relates to a yellow ultraviolet (UV) inkjet ink for high-speed inkjet printing and a preparation method thereof. The printing material is mainly paper, and belongs to the technical field of digital printing. Background technique [0002] The key advantage of UV curing technology is that it does not contain solvents, has no VOC emissions, and avoids the impact of traditional solvent-based inks on the environment. It is considered a "green technology" and can achieve instant curing. The drying speed of the ink is higher than that of Water-based or solvent-based inks, but UV inks are mainly used in traditional printing methods, such as offset printing, silk screen printing, etc. As a kind of digital printing technology, inkjet printing has the advantages of non-impact transfer printing, simple operation, and low requirements for printing materials. Printing equipment that combines UV curing technology with inkjet printing has been released. ...

Claims

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Application Information

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IPC IPC(8): C09D11/10C09D11/30C09D11/32
Inventor 黄蓓青张婉魏先福顾灵雅刘江浩杨晓
Owner BEIJING INSTITUTE OF GRAPHIC COMMUNICATION
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