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Formula of silicone rubber

A technology of silicone rubber and low phenyl silicone rubber, which is applied in the field of silicone rubber, can solve the problems that need to be improved, and achieve the effects of high temperature resistance, corrosion resistance, quality improvement, and tear resistance improvement

Inactive Publication Date: 2017-08-29
DONGZHI OASIS ENVIRONMENTAL PROTECTION CHEM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Existing silicone rubber still needs to be improved in terms of heat resistance, tear resistance and corrosion resistance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A silicone rubber formula, which consists of the following raw materials in parts by weight: 80-100 parts of silicone rubber, 80 parts of low-phenyl silicone rubber, 30 parts of polymetallic organosiloxane, 15 parts of alkoxy-terminated polysiloxane 15 parts of carbon black, 15 parts of graphite, 8 parts of vinyl silicone oil, 12 parts of zinc oxide, 6 parts of stearic acid, 4 parts of alkane oil, 3 parts of bis-pentasulfurizing agent, 1.5 parts of methyl ethyl silicone oil, hydroxyl 1.5 parts of silicone oil, 1.5 parts of hydrogen-containing silicone oil.

Embodiment 2

[0015] A formula for silicone rubber, which consists of the following raw materials in parts by weight: 80 parts of silicone rubber, 60 parts of low-phenyl silicone rubber, 20 parts of polymetallic organosiloxane, 5 parts of alkoxy-terminated polysiloxane, carbon 10 parts of black, 10 parts of graphite, 4 parts of vinyl silicone oil, 6 parts of zinc oxide, 1 part of stearic acid, 2 parts of alkane oil, 1 part of bis-pentasulfurizing agent, 1 part of methyl ethyl silicone oil, 0.5 parts of hydroxyl silicone oil , 0.5 parts of hydrogen-containing silicone oil.

Embodiment 3

[0017] A formula for silicone rubber, consisting of the following raw materials in parts by weight: 90 parts of silicone rubber, 70 parts of low-phenyl silicone rubber, 25 parts of polymetallic organosiloxane, 10 parts of alkoxy-terminated polysiloxane, carbon 12 parts of black, 12 parts of graphite, 6 parts of vinyl silicone oil, 8 parts of zinc oxide, 4 parts of stearic acid, 3 parts of alkane oil, 2 parts of bis-pentasulfurizing agent, 1.2 parts of methyl ethyl silicone oil, 1 part of hydroxyl silicone oil , 1 part of hydrogen silicone oil.

[0018] The silicone rubber formula of the invention has good high temperature resistance and corrosion resistance, and the tear resistance performance is greatly improved, and the quality of the silicone rubber is comprehensively improved.

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PUM

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Abstract

The invention discloses a formula of silicone rubber, which comprises the following raw materials in parts by weight: 80-100 parts of silicone rubber, 60-80 parts of low-phenyl silicone rubber, 20-30 parts of polyorganometallosiloxane, 5-15 parts of alkoxyl terminated polysiloxane, 10-15 parts of carbon black, 10-15 parts of graphite, 4-8 parts of vinyl silicone oil, 6-12 parts of zinc oxide, 1-6 parts of stearic acid, 2-4 parts of alkane oil, 1-3 parts of vulcanizing agent DBPH50, 1-1.5 parts of methyl ethyl silicon oil, 0.5-1.5 parts of hydroxyl silicone oil and 0.5-1.5 parts of hydrogen-containing silicone oil. The formula of the silicone rubber has good high-temperature resistance and corrosion resistance; the tear resistance can be greatly improved; and the quality of the silicone rubber is comprehensively improved.

Description

technical field [0001] The invention relates to the field of silicone rubber, in particular to a formula of silicone rubber. Background technique [0002] Silicone rubber is an excellent special rubber, which has excellent heat resistance, low temperature resistance, insulation, shock resistance, compression resistance, abrasion resistance and good biological characteristics, making it widely used in construction, transportation, etc. Transportation, electronic appliances, chemicals, biological materials and now aerospace materials, etc. Now silicone rubber can be used for a long time at -65°C to 200°C, but with the development of science and technology, higher requirements are put forward for its heat resistance, and the current aerospace technology requires silicone rubber to be used at higher temperatures for a long time , It is of great significance to further improve the high temperature resistance of silicone rubber. In addition, when the heat resistance is improved, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L83/04C08L83/07C08L83/05C08L83/14C08L83/06C08L91/00C08K13/02C08K3/04C08K5/09C08K5/14
CPCC08L83/04C08K2201/014C08L2201/08C08L2205/02C08L2205/025C08L2205/035
Inventor 陈建宇
Owner DONGZHI OASIS ENVIRONMENTAL PROTECTION CHEM
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