Condensed type organic silicon potting material composition with matte surface

A potting material, silicone technology, applied in other chemical processes, chemical instruments and methods, etc., can solve the problems of high cost, blurred picture, etc., and achieve the effect of avoiding reflection, saving cost, and excellent matte effect

Inactive Publication Date: 2009-10-28
GUANGZHOU HUITIAN FINE CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, condensation-type room temperature vulcanizing silicone rubber is very common in the potting of various electronic component modules. It has excellent adhesiveness and overall curing performance, so it is suitable for potting of large-area modules, especially LED Potting of the display module; a general-purpose two-component condensatio...

Method used

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  • Condensed type organic silicon potting material composition with matte surface

Examples

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Effect test

example 1

[0025] Component A: 100 parts of 5000cs 107 glue, 10 parts of 100cs simethicone, 50 parts of stearic acid treated calcium carbonate with a particle size of less than 2μ, Raven M carbon black (American Columbia company), 2 parts of Sipernat 200 precipitation method White carbon black (Degussa);

[0026] B component: 10 parts tetraethoxysilane, 2 parts γ-aminopropyltriethoxysilane, 0.1 part dibutyltin dilaurate;

[0027] Component C: 10 parts of tung oil, 5 parts of castor oil, 10 parts of acrylate modified alkyd resin.

example 2

[0029]A component: 100 parts of 5000cs 107 glue, 10 parts of 100cs simethicone, 50 parts of stearic acid treated calcium carbonate with a particle size of less than 2μ, Raven M carbon black (American Columbia company), 2 parts of Sipernat 200 precipitation method White carbon black (Degussa);

[0030] B component: 10 parts of tetraethoxysilane, 2 parts of γ-aminopropyltriethoxysilane, 0.1 part of dibutyltin dilaurate;

[0031] Component C: 10 parts of tung oil, 5 parts of castor oil, 10 parts of acrylate modified alkyd resin.

example 3

[0033] A component: 100 parts of 5000cs 107 glue, 10 parts of 100cs simethicone, 50 parts of stearic acid treated calcium carbonate with a particle size of less than 2μ, Raven M carbon black (American Columbia company), 2 parts of Sipernat 200 precipitation method White carbon black (Degussa), 0.1 part of zinc naphthenate;

[0034] B component: 10 parts of tetraethoxysilane, 2 parts of γ-aminopropyltriethoxysilane, 0.1 part of dibutyltin dilaurate (Air Products);

[0035] Component C: 10 parts of tung oil, 5 parts of castor oil, 10 parts of acrylate modified alkyd resin.

[0036]

[0037] (Table I)

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PUM

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Abstract

The invention relates to a potting material, in particular to condensed type organic silicon potting material composition with a matte surface, which is suitable for potting a light emitting diode (LED) display screen module. The composition comprises liquid silicon rubber, a cross-linking agent, a catalyst, a filling material, a drier and a matte agent, wherein the matte agent containing high-grade unsaturated fatty acid esters with a plurality of unsaturated bonds can be hydrolyzed under the action of moisture in the air so as to generate high-grade unsaturated fatty acid; and then the unsaturated fatty acid is quickly oxidized to have a cross-linking reaction so as to form a matte film on the surface of an adhesive layer. The existence of reflection is essentially avoided so as to realize the effects of omitting a mask and saving the cost.

Description

Technical field [0001] The invention relates to a potting material, in particular to a condensation type organic silicon potting material composition with a matte surface for the potting of an LED display screen module. Background technique [0002] Room temperature vulcanized silicone rubber is a new type of silicone elastomer that came out in the 1960s. The most significant feature of this rubber is that it can be cured on-site at room temperature without heating and pressure, and it is extremely convenient to use. Therefore, as soon as it came out, it quickly became an important part of the entire silicone products. Now room temperature vulcanized silicone rubber has been widely used as adhesives, sealants, protective coatings, potting and molding materials, and is used in various industries. Its use, because of its low molecular weight, room temperature vulcanized silicone rubber is known as liquid silicone rubber. Its physical form is usually a flowable fluid or viscous past...

Claims

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Application Information

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IPC IPC(8): C09K3/10C08L83/04C08K5/10C08J3/24C08J7/12
Inventor 张银华
Owner GUANGZHOU HUITIAN FINE CHEM
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