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Preparation method of high temperature (till 300 DEG C) resistant silica gel

A technology of high temperature resistance and silica gel, which is applied in the field of preparation of silica gel that can withstand high temperature of 300 degrees, and can solve problems such as limitations

Inactive Publication Date: 2015-05-27
东莞市朗晟材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, silica gel raw materials are widely used in various industries due to their superior performance, but ordinary silica gel raw materials can only withstand a temperature of about 200°C, which limits their application in certain fields that require high temperature resistance

Method used

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Embodiment Construction

[0020] Provide a preparation method of 300-degree high-temperature silica gel; high-temperature-resistant silica gel is made by mixing the following raw materials: raw material A: methyl vinyl silicone rubber; raw material B: methyl vinyl silicone rubber; raw material C: gas phase White carbon black; raw material D: dimethyldiethoxysilane; raw material E: hexamethyldisilazane; raw material F: distilled water; raw material G: zinc stearate; raw material H: stearic acid; raw material I: Vinyltrimethoxysilane; raw material J: iron oxide; raw material K: cerium oxide; a small amount of raw material L: vulcanizing agent; the preparation steps are as follows:

[0021] Divided into the following two steps:

[0022] 1. First prepare the silica gel-based glue:

[0023] 1) Put 20-50 parts of raw material A and 50-80 parts of raw material B into the internal mixer first, and stir for 5 minutes;

[0024] 2) Add 45 parts of raw material C in batches, one-third of the total amount of 45 ...

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Abstract

The invention discloses a preparation method of high temperature (till 300 DEG C) resistant silica gel. The high temperature resistant silica gel is prepared from the following raw materials in a mixing mode: methyl vinyl silicone rubber, serving as a raw material A, methyl vinyl silicone rubber, serving as a raw material B, fumed colloidal silica dispersion, serving as a raw material C, dimethyl-diethoxysilane, serving as a raw material D, hexamethyldisilazane, serving as a raw material E, distilled water, serving as a raw material F, zinc stearate, serving as a raw material G, stearic acid, serving as a raw material H, vinyl-trimethoxy-silicane, serving as a raw material I, iron oxide, serving as a raw material J, cerium oxide, serving as a raw material K, and a curing agent, serving as a raw material L. According to the preparation method disclosed by the invention, the high temperature resistant silica gel is very high in high temperature resistance and is capable of resisting high temperature of 300 DEG C or above.

Description

technical field [0001] The invention relates to silica gel raw materials, in particular to a preparation method of silica gel which can withstand high temperature of 300 degrees. Background technique [0002] In the prior art, silica gel raw materials are widely used in various industries due to their superior performance, but ordinary silica gel raw materials can only withstand a temperature of about 200°C, so their application in certain fields requiring high temperature resistance is limited. Contents of the invention [0003] The object of the present invention is to provide a method for preparing silica gel that can withstand high temperatures of 300 degrees, aiming at the above-mentioned limitations of the prior art. The silica gel produced by this method has good high temperature resistance and can be used in many industries. [0004] Provide a preparation method of 300-degree high-temperature silica gel; high-temperature-resistant silica gel is made by mixing...

Claims

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Application Information

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IPC IPC(8): C08L83/07C08K13/06C08K9/06C08K3/36C08K5/09C08K5/098C08K3/22C08K5/5425
Inventor 谭政新
Owner 东莞市朗晟材料科技有限公司
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