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High-strength tear-resistant methyl vinyl silicone rubber material

A technology of methyl vinyl silicon and methyl vinyl raw rubber, which is applied in the field of high-strength tear-resistant methyl vinyl silicone rubber materials, and can solve the problems of low tensile strength and resistance to silicone rubber, which affect the scope and function of silicone rubber. In order to improve the compatibility, improve the dispersibility and improve the flame retardant performance

Inactive Publication Date: 2014-08-27
天长市荣盛有机硅科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, silicone rubber is widely used in construction, chemical industry, transportation, electronic appliances, biological materials and aerospace materials. It has excellent heat resistance, low temperature resistance, insulation, earthquake resistance, compression resistance, and abrasion resistance. And good biological properties, but silicone rubber has low tensile strength, tear resistance, wear resistance, and poor flame retardancy, which affects the scope and function of silicone rubber

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A kind of high-strength and tear-resistant methyl vinyl silicone rubber material proposed by the present invention, its raw materials include by weight: 80 parts of methyl vinyl raw rubber, 2.5 parts of polytetrafluoroethylene, 1 part of methyl silicone oil, 0.8 parts of hard Aluminum fatty acid, 0.8wt% γ-aminopropyltriethoxysilane based on methyl vinyl rubber, 1.4wt% N-(β-aminoethyl)-γ based on methyl vinyl rubber -Aminopropyltriethoxysilane, 3.5wt% nano-cellulose whiskers based on methyl vinyl rubber, 15wt% silicon micropowder based on methyl vinyl rubber, and methyl vinyl rubber as a benchmark Standard 0.5wt% hydrogen-containing silicone oil, 48wt% modified silica based on methyl vinyl rubber, prepared according to the following process: methyl vinyl rubber, polytetrafluoroethylene, methyl silicone oil, stearic acid Put aluminum, γ-aminopropyltriethoxysilane and N-(β-aminoethyl)-γ-aminopropyltriethoxysilane into a vacuum kneader and knead at 80°C. The time is 3 minu...

Embodiment 2

[0015] A kind of high-strength tear-resistant methyl vinyl silicone rubber material proposed by the present invention, its raw material comprises by weight: 100 parts of methyl vinyl raw rubber, 1.5 parts of polytetrafluoroethylene, 3 parts of methyl silicone oil, 0.4 parts of hard Aluminum fatty acid, based on methyl vinyl rubber 1wt% γ-aminopropyltriethoxysilane, based on methyl vinyl rubber 1wt% N-(β-aminoethyl)-γ-ammonia Propyltriethoxysilane, 4wt% nano-cellulose whiskers based on methyl vinyl rubber, 12wt% silicon micropowder based on methyl vinyl rubber, 0.9wt based on methyl vinyl rubber % hydrogen-containing silicone oil, 33wt% modified silica based on methyl vinyl raw rubber, prepared according to the following process: methyl vinyl raw rubber, polytetrafluoroethylene, methyl silicone oil, aluminum stearate, γ -Aminopropyltriethoxysilane and N-(β-aminoethyl)-γ-aminopropyltriethoxysilane were put into a vacuum kneader for mixing, the mixing temperature was 85°C, and th...

Embodiment 3

[0017]A kind of high-strength and tear-resistant methyl vinyl silicone rubber material proposed by the present invention, its raw materials include by weight: 85 parts of methyl vinyl raw rubber, 1.7 parts of polytetrafluoroethylene, 2.8 parts of methyl silicone oil, 0.5 parts of hard Aluminum fatty acid, 0.9wt% γ-aminopropyltriethoxysilane based on methyl vinyl rubber, 1.2wt% N-(β-aminoethyl)-γ based on methyl vinyl rubber -Aminopropyltriethoxysilane, based on methyl vinyl rubber 3.9wt% nano-cellulose whiskers, based on methyl vinyl rubber 12.7wt% silicon micropowder, based on methyl vinyl rubber 0.8wt% hydrogen-containing silicone oil as the basis, 37wt% modified silica based on methyl vinyl rubber, prepared according to the following process: Methyl vinyl rubber, polytetrafluoroethylene, methyl silicone oil, stearin Alumina, γ-aminopropyltriethoxysilane and N-(β-aminoethyl)-γ-aminopropyltriethoxysilane were put into a vacuum kneader and kneaded at 81°C. The mixing time is ...

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Abstract

The invention discloses a high-strength tear-resistant methyl vinyl silicone rubber material. The high-strength tear-resistant methyl vinyl silicone rubber material comprises, by weight, 80-100 parts of raw methyl vinyl rubber, 1.5-2.5 parts of Teflon, 1-3 parts of methyl silicone oil and 0.4-0.8 parts of aluminum stearate, and also comprises, based on the raw methyl vinyl rubber, 0.8-1wt% of gamma-aminopropyltriethoxysilane, 1-1.4wt% of N-(beta-aminoethyl)-gamma-aminopropyltriethoxysilane, 3.5-4wt% of nano-cellulose whisker, 12-15wt% of silica micropowder, 0.5-0.9wt% of hydrosilicone oil and 33-48wt% of modified white carbon black. Compared with the original silicone rubber, the high-strength tear-resistant methyl vinyl silicone rubber material improves density and tensile strength, has good flame retardation, excellent wear resistance and tear resistance, and improves silica gel safety.

Description

technical field [0001] The invention relates to the technical field of methyl vinyl silicone rubber, in particular to a high-strength and tear-resistant methyl vinyl silicone rubber material. Background technique [0002] Silicone rubber refers to a type of elastomer whose molecular main chain is Si-O inorganic structure and side chain is organic group. Silicone rubber is a semi-inorganic saturated, heterochain, non-polar elastomer. At present, silicone rubber is widely used in construction, chemical industry, transportation, electronic appliances, biological materials and aerospace materials. It has excellent heat resistance, low temperature resistance, insulation, earthquake resistance, compression resistance, and abrasion resistance. And good biological properties, but silicone rubber has low tensile strength, tear resistance, wear resistance, and poor flame retardancy, which affects the scope and function of silicone rubber. Contents of the invention [0003] The tec...

Claims

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Application Information

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IPC IPC(8): C08L83/07C08L27/18C08L83/04C08L1/02C08K13/06C08K5/098C08K5/544C08K9/06C08K9/04C08K3/36
Inventor 张新华李保生
Owner 天长市荣盛有机硅科技有限公司
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