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Flexible ultraviolet-curing ink-jet ink and preparation method thereof

An inkjet ink, ultraviolet light technology, applied in the directions of ink, application, coating, etc., can solve the problem that the ink is suitable for flexible materials, etc., and achieve the effect of good flexibility, good development prospects, and good adhesion

Inactive Publication Date: 2013-02-13
天津傲彩科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In 2006, American Nathaniel R.Schwartz and others applied for a US patent on inkjet ink printed on non-porous materials. The patent number is US7105585B2. These patents do not consider the technical requirements for inks to be applied to flexible materials.

Method used

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  • Flexible ultraviolet-curing ink-jet ink and preparation method thereof
  • Flexible ultraviolet-curing ink-jet ink and preparation method thereof
  • Flexible ultraviolet-curing ink-jet ink and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029]

[0030] Wherein, photoinitiator ITX is isopropylthioxanthone; Photoinitiator 907 is 2-methyl-1-(4-methylthiophenyl)-2-morpholine-1-acetone; Photoinitiator 184 For 1-hydroxycyclohexyl phenyl ketone. The polymerization inhibitor MEHQ is 1,4-methoxyphenol.

[0031] A method for preparing a flexible UV-curable inkjet ink, comprising the following steps: first mixing and dispersing a mixture of a pigment, a dispersant, a part of a monofunctional monomer, a part of a bifunctional monomer, a part of a trifunctional monomer, and a polymerization inhibitor, and then Grind, then add the remaining reactive monomers, photoinitiators, wetting agents, and polymerization inhibitors, heat to 40-60°C, mix evenly by high-speed stirring, adjust the viscosity, color concentration, and surface tension of the ink, and finally use the filter element Filtration is carried out with a filtration accuracy of 0.5 micron to obtain a flexible UV-curable inkjet ink.

[0032] The grinding and di...

Embodiment 2

[0034]

[0035] Wherein, photoinitiator 369 is 2-phenylbenzyl-2-dimethylamine-1-(4-morpholinebenzylphenyl) butanone;

[0036] The preparation method of the flexible UV-curable inkjet ink is the same as the first embodiment.

Embodiment 3

[0038]

[0039]

[0040] The preparation method of the flexible UV-curable inkjet ink is the same as the first embodiment.

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PUM

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Abstract

The invention discloses flexible ultraviolet-curing ink-jet ink, which comprises the following components in percentage by weight: 10-20% of oligomer, 30-60% of mono-functional monomer, 10-30% of bi-functional monomer, 0-10% of tri-functional monomer, 1-5% of pigment, 0.5-3% of dispersant, 4-10% of photo-initiator, 0.1-1% of wetting agent, and 0.1-1% of polymerization inhibitor, wherein oligomer adopts polyester acrylic oligomer, and wetting agent adopts modified siloxane wetting agent. The flexible ultraviolet-curing ink-jet ink has green environmental protection characteristics, and can be cured instantly under UV (ultraviolet) radiation, and meets the high-speed printing requirement, and can be printed on both hard and soft materials, and has the characteristics of good adhesion and flexibility, and cracking resistance, thereby having wide adaptability and excellent development prospect.

Description

technical field [0001] The invention belongs to the technical field of ultraviolet light inkjet ink applied to flexible materials, and in particular relates to a flexible ultraviolet light curing inkjet ink and a preparation method thereof. Background technique [0002] With the gradual deepening of environmental protection awareness, the sharp increase in the accuracy and speed of UV inkjet printing, and the sharp reduction in the price of UV inkjet printers, the manufacturing industry of UV inkjet printers has developed rapidly in recent years. Domestic manufacturers of large-scale printers are now There are production lines for UV inkjet printers. At present, the relatively large manufacturers of UV inkjet printers include Shanghai Wanzheng, Shenyang Aircraft, Shanghai Taiwei, Shenzhen Runtianzhi, Guangzhou Feiyang United, Beijing Hengze Jiye, etc. With the widespread application of UV inkjet printers, the market has higher and higher requirements for UV inkjet inks. UV ...

Claims

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Application Information

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IPC IPC(8): C09D11/10C09D167/06C09D11/30
Inventor 靳朝辉
Owner 天津傲彩科技有限公司
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