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Preparation method for covering-type textile inkjet printing pigment ink

A pigment ink and inkjet printing technology, which is applied in textiles and papermaking, ink, dyeing, etc., can solve the problems of large differences in surface properties and the inability to directly add inorganic pigments, etc., and achieve low cost, excellent jetting performance, and simple production process Effect

Active Publication Date: 2015-12-02
中科华彩(天津)科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the large difference in surface properties between inorganic pigments and organic pigments, the structure of the dispersant required for dispersion is completely different, so that inorganic pigments cannot be directly added to the ink

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0017] Dissolve 1.75g ​​of dispersant OP-10 in the mixed solution of ethanol / water, wherein the mass of ethanol is 17.03g, deionized water is 68.1g, adjust the pH to 7, add 5g of pigment, stir well, transfer to sand mill Grind in the machine for 1 hour to obtain ultra-fine pigments; slowly add 4g tetraethyl silicate and 1.5g KH570 to the ultra-fine pigments at the same time, grind while adding, and continue grinding and dispersing after all tetraethyl silicate and KH570 are added 2h; Add 2.5g of methyl methacrylate and 0.125g of azobisisobutyronitrile to the above dispersion, continue grinding for 0.5h, take it out and transfer it to a four-necked flask equipped with a stirrer, a thermometer, and a condenser. Nitrogen gas was introduced, stirred, and the temperature was raised to 60°C. After reacting for 0.5 hours, the reaction solution was taken out and filtered with filter paper with a pore size of 500 nm to obtain a nanocomposite colorant. Mix 20g of nano-composite colorant...

example 2

[0019] Dissolve 7g of dispersant Tween80 in the mixed solution of ethanol / water, wherein the quality of ethanol is 32.4g, deionized water is 8.1g to adjust the pH to 8, add 20g of pigment, stir evenly, transfer to the sand mill, Grind for 10 hours to obtain ultrafine pigments; slowly add 16g tetraethyl titanate and 6g KH570 to the ultrafine pigments at the same time, grind while adding, and continue grinding and dispersing for 4 hours after adding tetraethyl titanate and KH570; Add hydroxypropyl acrylate, 5g of acrylonitrile and 0.5g of benzoyl peroxide to the above dispersion, continue to grind for 1h, take it out and transfer it to a four-necked flask equipped with a stirrer, a thermometer, and a condenser, and blow in nitrogen , stirred, heated to 75° C., and reacted for 10 hours, the reaction solution was taken out and filtered with filter paper with a pore size of 500 nm to obtain a nanocomposite colorant. Mix 30g of nanocomposite coloring agent, 10g of ethylene glycol, 2...

example 3

[0021]Dissolve 10g of dispersant SG-10 in the mixed solution of ethanol / water, in which the mass of ethanol is 5.92g, the mass of deionized water is 8.88g, adjust the pH to 9, add 40g of pigment, stir well, then transfer to a sand mill , grind for 24 hours to obtain superfine pigments; slowly add 16g tetraethyl titanate and 6g KH570 to the superfine pigments at the same time, grind while adding, and continue grinding and dispersing for 6 hours after all tetraethyl titanate and KH570 are added; Add 4g of hexanediol diacrylate, 8g of methyl acrylate and 1.2g of azobisisoamylcyanide to the above dispersion, continue to grind for 2h, take it out and transfer it to a four-necked flask equipped with a stirrer, a thermometer and a condenser In the process, nitrogen gas was introduced, stirred, and the temperature was raised to 90°C. After 20 hours of reaction, the reaction solution was taken out and filtered with filter paper with a pore size of 500 nm to obtain a nanocomposite colora...

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PUM

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Abstract

The invention provides a preparation method for covering-type textile inkjet printing pigment ink, and belongs to the field of fine chemistry and material science. Oxides are coated on the surfaces of pigments by adopting a sol-gel technique, the pigment surfaces coated with the oxides are modified with silane coupling agents KH570, then polymers are coated on the surfaces of the pigments through miniemulsion polymerization to prepare nano-composite colorants, and finally the covering-type textile inkjet printing pigment ink is prepared by adding auxiliaries such as polyatomic alcohols, surfactants and antibacterial agents in the nano-composite colorants. The covering-type textile inkjet printing pigment ink prepared through the method is smooth in jetting, bright in color and high in covering force and achieves inkjet printing of non-white textiles.

Description

technical field [0001] The invention discloses a method for preparing a covering-type textile ink-jet printing pigment ink, which belongs to the field of fine chemical science and technology. technical background [0002] Inkjet printing is a new textile printing technology that has developed rapidly in recent years. Compared with traditional printing, inkjet printing has a simple process and high precision, and can realize small batch, multi-variety, multi-color and personalized printing, and has broad development prospects. Pigment ink has strong versatility and simple printing process, and has become a colorant with the most development potential in inkjet printing ink. [0003] At present, inkjet printing pigment inks are mainly composed of pigments, dispersants, wetting agents, humectants and surfactants. The hiding power of pigments is not considered in the selection of pigments, so inkjet printing can only be applied to white fabrics. In order to realize the inkjet ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/322D06P5/30D06P1/52C08F120/14C08F220/28C08F220/44C08F222/14C08F220/14
Inventor 付少海王大同张丽平李敏田安丽
Owner 中科华彩(天津)科技发展有限公司
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