Silk-screening printing ink with high flexibility and high brightness

A technology of printing ink and flexibility, which is applied in the field of screen printing ink, can solve problems such as poor transparency, easy to burst, and products are not resistant to folding, and achieve the effects of low volatility, good transparency and high environmental protection

Active Publication Date: 2012-04-18
ZHEJIANG MINONG CENTURY GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Some of the existing UV inks used for screen printing have relatively poor flexibility, resulting in products that are not resistant to folding and easy to burst; some have relatively poor transparency, resulting in a dull overall color of the product, lack of visual impact and counter effect; Some inks are not environmentally friendly enough, the product VOCs odor residue does not meet the national standards, and the ink lines are relatively simple, mostly irregular cracks or sand spots

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Prepare the following raw materials first: 480g of difunctional polyurethane resin, 160g of tetrafunctional polyester resin, 90g of polyether ammonia modified acrylic resin, 110g of acrylate monomer, 30g of fluorocarbon surface modifier, 40g of macromolecular initiator BP, silicone Defoamer 20g, silicone polyether modified leveling agent 40g, bentonite 30g;

[0024] Preparation process: first mix the macromolecular initiator BP with the acrylate monomer, stir well and let it stand for 30 minutes to fully dissolve, then mix the rest of the components in proportion, and then use a high-speed disperser (Shanghai Chemical No. 1 Plant, Equipment model F-250) high-speed stirring and heating to 70°C-80°C, so that all components are completely dissolved and mixed evenly, and then grind with a three-roll machine (Shanghai Chemical No. 1 Plant, equipment model S-405) to make the fineness not greater than 5 microns, make 1000 grams of this silk screen printing ink;

[0025] When ...

Embodiment 2

[0027] Prepare the following raw materials first: 440g of difunctional polyurethane resin, 200g of tetrafunctional polyester resin, 130g of polyether ammonia modified acrylic resin, 110g of acrylate monomer, 10g of fluorocarbon surface modifier, 50g of macromolecular initiator BP, silicone 30g defoamer, 10g silicone polyether modified leveling agent, 20g bentonite;

[0028] The preparation process is as in Example 1, and the ink is prepared according to the above ratio during mass production.

Embodiment 3

[0030] Prepare the following raw materials first: 450g of difunctional polyurethane resin, 170g of tetrafunctional polyester resin, 110g of polyether ammonia modified acrylic resin, 140g of acrylate monomer, 40g of fluorocarbon surface modifier, 20g of macromolecular initiator BP, silicone Defoamer 10g, silicone polyether modified leveling agent 20g, bentonite 40g;

[0031] The preparation process is as in Example 1, and the ink is prepared according to the above ratio during mass production.

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PUM

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Abstract

The invention relates to printing ink, in particular to silk-screening printing ink with high flexibility and high brightness. The silk-screening printing ink with high flexibility and high brightness is characterized by comprising the following components in percentage by weight: 44 to 48 percent of bifunctional polyurethane resin, 16 to 20 percent of tetra-functional polyester resin, 9 to 13 percent of amine modified acrylic resin, 11 to 15 percent of acrylic ester monomer, 1 to 4 percent of fluorocarbon surface modifier, 1 to 5 percent of macroinitiator BP, 1 to 3 percent of organic silicon defoaming agent, 1 to 4 percent of organic silicon polyether modified flatting agent and 1 to 4 percent of bentonite. The printing ink has extremely high flexibility; and a product is difficult to crack after the printing ink is printed on the product. The printing ink has excellent weather resistance, is difficult to yellow and has high brightness after the printing ink is dried to form a film.The printing ink - does not produce byproducts after curing reaction and has low mobility and volatility, so that the printing ink has high environment friendliness, and the odor residue of volatile organic compounds (Vocs) completely meets the national standard requirement.

Description

technical field [0001] The invention relates to an ink, in particular to a screen printing ink with high flexibility and high brightness. Background technique [0002] Some of the existing UV inks used for screen printing have relatively poor flexibility, resulting in products that are not resistant to folding and easy to burst; some have relatively poor transparency, resulting in a dull overall color of the product, lack of visual impact and counter effect; Some inks are not environmentally friendly enough, the product VOCs odor residue does not meet the national standards, and the ink lines are relatively simple, mostly irregular cracks or sand spots. Contents of the invention [0003] Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a technical solution of screen printing ink with high flexibility and high brightness. [0004] The screen printing ink with high flexibility and high brightness is characterized in that: ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/10C09D11/101
Inventor 胡爱军徐执一
Owner ZHEJIANG MINONG CENTURY GRP
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