High resilience silicon rubber material and preparation method thereof

A silicone rubber, high resilience technology, applied in the field of silicone rubber, can solve the problem that the resilience performance of silicone rubber cannot meet special requirements, etc., and achieve the effects of low compression set, good aging resistance, and good mechanical properties

Inactive Publication Date: 2015-01-28
天长市荣盛有机硅科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

With the development of science and technology, higher requirements are put forward for the rebound performance of silicone rubber. The

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  • High resilience silicon rubber material and preparation method thereof

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Embodiment Construction

[0010] A high-resilience silicone rubber material, made of the following weight (kg): methyl vinyl silicone rubber 120, fumed silica 70, hydroxyl silicone oil 15, stearic acid 0.25, hydrogen silicone oil 0.8, tetramethyl Divinyl disiloxane 1.5, dipropylene glycol dibenzoate 12, bisbenzotriazole 0.4, alkylphenol disulfide 4, 1,4-bis-tert-butylperoxycumene 2.5, chalk Powder 8, jute short fiber 5, bispentamethylene thiuram tetrasulfide 1.5, 2-thiol methylbenzimidazole 0.8, additive 4.5;

[0011] The preparation method of the auxiliary agent is as follows: a, take the raw materials of the following weight (kg): rosin pentaerythritol ester 6, 4,5-epoxycyclohexane-1,2-diglycidyl dicarboxylate 3, zirconium fluoride 8. Thiophosphoric acid triphenyl isocyanate 3,4,4'-biphenyl diphenol 1.5, triisopropanolamine ring borate 4.5, methyl 2,2-dithienyl glycolate 2.5, bone cement powder 6 , tungsten carbide 8, decyl tetradecyl cetyl stearate 4, 2-(4-morpholino dithio) benzothiazole 2...

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Abstract

The invention discloses a high resilience silicon rubber material and a preparation method thereof. The material consists of the following raw materials by weight: 100-150 parts of methyl vinyl silicone rubber, 60-90 parts of fumed silica, 10-20 parts of hydroxy silicone oil, 0.2-0.3 part of stearic acid, 0.5-1 part of hydrogen-containing silicone oil, 1-2 parts of divinyl tetramethyl disiloxane, 10-15 parts of dipropylene glycol dibenzoate, 0.3-0.6 part of bitertanol, 3-5 parts of alkylphenate disulfide, 2-3 parts of 1,4-bis(1-(tert-butylperoxy)-1-methylethyl)-benzene, 5-10 parts of chalk, 4-6 parts of jute fibers, 1-2 parts of dipentamethylenethiuram tetrasulfide, 0.5-1 part of methyl-2-mercaptobenzimidazole, and 3-6 parts of an auxiliary agent. The silicone rubber material provided by the invention of has high resilience performance, low compression permanent deformation, good mechanical properties, good aging resistance, high temperature resistance, fatigue resistance and corrosion resistance, and can meet the special requirements of some products on the market and broaden the scope of application of silicone rubber materials.

Description

technical field [0001] The invention relates to a high resilience silicone rubber material and a preparation method thereof, belonging to the technical field of silicone rubber. Background technique [0002] Silicone rubber is a polymer material with polysilane as the main chain. Due to the non-polar and weak intermolecular interactions of the main chain siloxane segment, it has good thermal stability, weather resistance, aging resistance and electrical properties. Its mechanical properties are quite stable in a wide temperature range (-50~120°C), and it has been widely used in aerospace, electronic and electrical industries and other fields. With the development of science and technology, higher requirements are put forward for the rebound performance of silicone rubber. The rebound performance of silicone rubber in the existing market can no longer meet the special requirements of some products on the market. Therefore, it is necessary to modify the silicone rubber to obt...

Claims

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Application Information

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IPC IPC(8): C08L83/07C08L83/06C08L83/05C08K13/02C08K3/36C08K5/5425C08K5/40C08K3/16
Inventor 李保生
Owner 天长市荣盛有机硅科技有限公司
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