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High gloss cover printing silica gel for screen printing and preparation method thereof

A technology of screen printing and glossy cover, applied in textiles, papermaking, fiber processing, etc., can solve the problems of long defoaming time, impatience to rapid drying, poor gloss effect of cover adhesive, etc., and achieves fast defoaming speed. , the effect of highlighting the bright light effect

Active Publication Date: 2019-04-23
东莞市科多有机硅材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, due to the large amount of white carbon black in the general-purpose bright cover glue on the market, the cover glue has poor gloss effect during use, long defoaming time, is not resistant to rapid baking, pitting and air bubbles after baking, etc. unpleasant sight

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Example 1. This example provides a high-gloss cover printing silica gel for screen printing. In terms of parts by mass, its composition raw materials include 10-15 parts of high-gloss cover printing silica gel A component and 1-3 parts High-gloss cover printing silicone component B;

[0033] The high-gloss cover printing silicone A component is composed of the following raw materials: 100-120 parts of 20000cs side chain vinyl silicone oil, 10-15 parts of 500cs terminal vinyl silicone oil, 10-15 parts of MQ resin and 0.7-1.0 parts of 5000ppm platinum catalyst ;

[0034] The B component of the high-gloss cover printing silica gel is composed of the following raw materials: 2-3 parts of hydrogen-containing silicone oil with a hydrogen content of 0.55, 6-8 parts of hydrogen-containing silicone oil with a hydrogen content of 0.75, and 1-2 parts of 1000cs ethylene-terminated base silicone oil and 0.03-0.05 parts of ethynyl cyclohexanol.

[0035] The 20000cs side chain vinyl...

Embodiment 2

[0045]Embodiment 2, the technical scheme of this embodiment 2 is basically the same as that of embodiment 1, the difference is that, calculated in parts by mass, its composition raw materials include 10 parts of high-gloss cover printing silica gel component A and 1 part of high-gloss Cover printing silicone component B;

[0046] The high-gloss cover printing silicone A component is composed of the following raw materials: 100 parts of 20000cs side chain vinyl silicone oil, 10 parts of 500cs terminal vinyl silicone oil, 10 parts of MQ resin and 0.7 parts of 5000ppm platinum catalyst;

[0047] The B component of the high-gloss cover printing silicone oil is composed of the following raw materials: 2 parts of hydrogen-containing silicone oil with a hydrogen content of 0.55, 6 parts of hydrogen-containing silicone oil with a hydrogen content of 0.75, 1 part of 1000cs terminal vinyl silicone oil and 0.03 parts of acetylene Cyclohexanol.

[0048] The 20000cs side chain vinyl silic...

Embodiment 3

[0049] Embodiment 3, the technical scheme of this embodiment 3 is substantially the same as that of Embodiment 1, the difference is that, calculated in parts by mass, its composition raw materials include 15 parts of high-gloss cover printing silica gel component A and 3 parts of high-gloss Cover printing silicone component B;

[0050] The high-gloss cover printing silicone A component is composed of the following raw materials: 120 parts of 20000cs side chain vinyl silicone oil, 15 parts of 500cs terminal vinyl silicone oil, 15 parts of MQ resin and 1.0 part of 5000ppm platinum catalyst;

[0051] The B component of high-gloss cover printing silicone oil is composed of the following raw materials: 3 parts of hydrogen-containing silicone oil with a hydrogen content of 0.55, 8 parts of hydrogen-containing silicone oil with a hydrogen content of 0.75, 2 parts of 1000cs terminal vinyl silicone oil and 0.05 parts of acetylene Cyclohexanol.

[0052] The 20000 cs side chain vinyl si...

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Abstract

The invention discloses high-brightness finishing printing silica gel for silk screen printing. The high-brightness finishing printing silica gel is prepared from the following raw materials in parts by mass: 10 to 15 parts of a high-brightness finishing printing silica gel component A and 1 to 3 parts of a high-brightness finishing printing silica gel component B. The invention further discloses a preparation method of the high-brightness finishing printing silica gel for the silk screen printing. According to the high-brightness finishing printing silica gel and the preparation method thereof, the defects of the general bright finishing gel are overcome; the high-brightness finishing gel with an outstanding brightness effect, high debubbling effect, urgent baking resistance, and zero hard spots and bubbles on a baked product is prepared; the finishing gel can be used for large-pattern printing finishing, to meet the requirement for the flowability, and also used for small-pattern finishing, to meet the requirement for avoiding smudging of a fillet.

Description

technical field [0001] The invention relates to the field of silica gel screen printing, in particular to a high-brightness cover printing silica gel for screen printing and a preparation method of the high-gloss cover printing silica gel for screen printing. Background technique [0002] Screen printing silicone is different from single material and single effect printing of ink or glue. According to different surface effects, it can be divided into bright rounded effect, bright right angle effect, matte rounded effect, matte right angle effect and flat smooth right angle effect. Among them, the bright rounded corner effect is loved by consumers because its surface has a strong three-dimensional effect and presents a raindrop-like arc shape. [0003] However, due to the large amount of white carbon black in the general-purpose bright cover glue on the market, the cover glue has poor gloss effect during use, long defoaming time, is not resistant to rapid baking, pitting and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06M15/643C08G77/20
CPCC08G77/20D06M15/643
Inventor 陶玉红陈志刚孟庆胜
Owner 东莞市科多有机硅材料有限公司
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