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Printing UV ink as well as preparation method and application thereof

A technology of ink and monomer, which is applied in the field of printing UV ink and its preparation, can solve the problems of UV ink, such as irritating and unpleasant smell, affecting the use of users, etc.

Pending Publication Date: 2021-04-09
ZHUHAI FREE TRADE ZONE NEOJET APOLLOJET IMAGING MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the volatilization of small molecules in the components of UV ink, these small molecules are irritating to a certain extent, resulting in a more irritating and unpleasant smell of UV ink, which affects the use of users.

Method used

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  • Printing UV ink as well as preparation method and application thereof
  • Printing UV ink as well as preparation method and application thereof
  • Printing UV ink as well as preparation method and application thereof

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preparation example Construction

[0032] The printing UV ink preparation method provided by the present invention is used to prepare the above-mentioned printing UV ink, and the preparation method comprises the following steps:

[0033] S1. Mix the pigment, the dispersant and the first monomer in proportion to the sand mill, and use the 0.3mm zirconium beads to grind for 6h-8h at a speed of 800rpm-1200rpm to obtain the pigment paste;

[0034] S2. Mix the first monomer and the second monomer evenly, then add a photoinitiator to dissolve completely, add oligomers and auxiliary agents, stir for 1h to 2h, and obtain a mixed solution;

[0035] S3. Add the pigment paste into the mixed liquid in S2, disperse at a speed of 400 rpm to 600 rpm for 1 h to 2 h, and filter with a 1 μm filter element to obtain UV ink.

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Abstract

The invention provides printing UV ink and a preparation method and application thereof. The printing UV ink comprises pigment color paste, a first monomer, a second monomer, an oligomer, a photoinitiator and an assistant, the first monomer is at least one of alkoxy modified acrylate or polyethylene glycol acrylate, and the second monomer is alkoxy modified trifunctional acrylate; the molecular weight of the oligomer is 1500-6000, and the viscosity of the oligomer is less than or equal to 13000 cps; and the pigment color paste comprises pigment, a dispersing agent and a first monomer. By adopting the scheme, the molecular weight of a monomer in the ink is increased, the volatility of the monomer is reduced, and the smell is correspondingly reduced; and the structure of the modified acrylate monomer contains a flexible alkoxy chain segment, so that the flexibility of the ink after printing is improved, and the ink layer after printing can be prevented from cracking after being bent.

Description

technical field [0001] The invention relates to the field of inks, in particular to a printing UV ink and its preparation method and application. Background technique [0002] There are many types of packaging and printing materials, including cardboard, corrugated paper, PVC, and PMMA. At present, water-based inks or solvent-based inks are mostly used in the market to print on the above materials. However, the drying speed of water-based ink is slow, the gloss is poor, and the printed color effect is dark. The solvent-based ink can adapt to various printing materials, but the evaporation of the solvent in the ink will emit harmful substances into the air, which is not in line with the development trend of environmental protection. UV ink has applicability to a variety of substrates, can provide bright and bright colors, and has a fast drying speed, which can meet the strict requirements of packaging and printing on color performance and curing speed. However, due to the v...

Claims

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Application Information

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IPC IPC(8): C09D11/101C09D11/107C09D11/30
CPCC09D11/101C09D11/107C09D11/30
Inventor 时文强周炜城
Owner ZHUHAI FREE TRADE ZONE NEOJET APOLLOJET IMAGING MATERIALS
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