Rubber sealing material for electrical equipment and preparation method thereof

A rubber sealing and electrical equipment technology, applied in the field of rubber, can solve the problems of poor physical and mechanical properties of butyl rubber, low production efficiency of butyl rubber, and limited availability of butyl rubber, etc., and achieve short vulcanization process time and excellent stability The effect of good performance and mechanical properties
CN111440388APending Publication Date: 2020-07-24XIAN SUNWARD AEROSPACE MATERIAL
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
XIAN SUNWARD AEROSPACE MATERIAL
Publication Date
2020-07-24

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Abstract

The invention discloses a rubber sealing material for electrical equipment and a preparation method thereof. The rubber sealing material comprises the following components in parts by mass: 50-100 parts of butyl rubber or modified butyl rubber, 0-50 parts of ethylene propylene diene monomer, 50-90 parts of carbon black, 1-20 parts of a plasticizer, 0.2-4 parts of magnesium oxide, 0.2-3 parts of stearic acid, 1-5 parts of zinc oxide, 0.5-2 parts of an accelerant, 0.5-1.5 parts of an anti-aging agent and 0.5-30 parts of acrylate modified carbon nanofibers. The preparation method comprises the following steps: mixing butyl rubber or modified butyl rubber with other compounding agents, thinning and vulcanizing. Butyl rubber or modified butyl rubber is used as the base material, acrylate modified carbon nanofibers are used as the heat-resistant filler, the prepared material has better heat-conducting property, physical and mechanical properties, wear resistance and chemical inertness and can be well compatible with SF6 gas, C3F7CN mixed gas and C5FK mixed gas and is suitable for an insulating gas switch cabinet of the SF6 gas, the C3F7CN mixed gas and the C5FK mixed gas.
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Description

technical field

[0001] The invention relates to the field of rubber, in particular to a rubber sealing material for electrical equipment and a preparation method thereof. Background technique

[0002] Sulfur hexafluoride (SF 6 ) Gas insulated switchgear is a kind of electrical equipment with a long history and wide application, and EPDM material is commonly used as sealing ring for sealing. However, SF 6 It is a gas with a strong greenhouse effect, and has been listed by international organizations as one of the six greenhouse gases that must be restricted. Therefore, it is necessary to look for alternatives to SF 6 The environmentally friendly gas has become a research hotspot. In recent years, newly developed environmentally friendly insulating gases such as C 3 f 7 CN mixed gas, C5FK mixed gas as SF 6 Alternative gases have good application prospects. However, it has been proven that EPDM materials are compatible with C 3 f 7 The compatibility of mixed gases of CN...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
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