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Ultraviolet curing ink-jet printing ink with good settling resistance

An inkjet printing and anti-settling technology, applied in the field of printing inks, can solve the problems of poor lipophilicity, poor dispersion of titanium dioxide, affecting the storage stability of inkjet printing inks, etc. subsidence effect

Pending Publication Date: 2020-09-11
JIANGSU AISEN SEMICON MATERIAL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Titanium dioxide is the main solid particle in the ink. The surface of titanium dioxide without surface treatment contains a large number of hydrophilic hydroxyl groups, which has poor lipophilicity, resulting in poor dispersion of titanium dioxide in the ink system and easy sedimentation, which affects inkjet printing. Ink storage stability

Method used

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  • Ultraviolet curing ink-jet printing ink with good settling resistance
  • Ultraviolet curing ink-jet printing ink with good settling resistance
  • Ultraviolet curing ink-jet printing ink with good settling resistance

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Experimental program
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Embodiment

[0017] This embodiment is a UV-curable inkjet printing ink with good anti-sedimentation properties, which includes polyester acrylate oligomer A with a mass percentage of 10%-30%, and acrylate ester with a mass percentage of 10%-80% Monomer reactive diluent B, photoinitiator C with a mass percentage of 5%-20%, auxiliary agent D with a mass percentage of 1%-10%, and titanium dioxide E with a mass percentage of 1%-20%.

[0018] The additive D includes the wetting and dispersing agent D1 for inorganic pigments and the wetting and dispersing agent D2 with certain anti-sedimentation ability. Titanium dioxide E includes silane coupling agent surface-modified titanium dioxide E1, titanium dioxide without surface treatment E2, and titanium dioxide with surface inorganic modification treatment E3.

[0019] During preparation, the acrylate oligomer, the acrylate monomer reactive diluent, the photoinitiator, the auxiliary agent, and the titanium dioxide are thoroughly mixed and homogeniz...

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Abstract

The invention discloses ultraviolet curing ink-jet printing ink with good sedimentation resistance. The ultraviolet curing ink-jet printing ink comprises the following components in percentage by mass: 10-30% of a polyester acrylate oligomer, 10-80% of an acrylate monomer reactive diluent, 5-20% of a photoinitiator, 1-10% of an auxiliary agent and 1-20% of silane coupling agent surface-modified titanium dioxide. According to the ink disclosed by the invention, the hydrophobicity of titanium dioxide particles in an ink system can be improved, the dispersity of the titanium dioxide particles inthe ink system is improved, and the problem that the ink is easy to settle after being placed is solved.

Description

【Technical field】 [0001] The invention belongs to the technical field of printing inks, in particular to an ultraviolet curing inkjet printing ink with good anti-sedimentation properties. 【Background technique】 [0002] The traditional screen printing technology is to use photosensitive materials to make screen printing plates by means of photolithography (making the screen holes of the graphic part on the screen printing plate be through holes, and the screen holes of the non-graphic parts are blocked. live). During printing, through the extrusion of the scraper, the ink is transferred to the substrate through the mesh of the graphic part, forming the same graphic as the original. Although the screen printing equipment is simple, easy to operate, and low in cost, the traditional screen printing process is complicated, with many manual steps, and is not suitable for small batches and multi-variety production methods. [0003] As a brand-new printing tool, inkjet printing i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/38
CPCC09D11/38
Inventor 陆晓健黄时雨张燕红朱坤陆兰顾群艳向文胜赵建龙张兵
Owner JIANGSU AISEN SEMICON MATERIAL CO LTD