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Silicone rubber insulating fluororubber cable material and preparation method thereof

A technology of silicone rubber insulation and fluororubber, which is applied in the field of silicone rubber insulation fluororubber cable material and its preparation, can solve the problems of hindering safe evacuation and fire extinguishing work, loss of life and property, etc., and achieves simple preparation method, reasonable formula, and excellent electrical performance Effect

Inactive Publication Date: 2012-10-31
安徽华海特种电缆集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the cable burns, it releases a large amount of smoke and toxic and corrosive gases, which are dangerous factors in the fire, which hinders people's safe evacuation and fire fighting work, and causes serious losses to life and property.

Method used

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Examples

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Embodiment 1

[0010] Example 1: Silicone rubber insulating fluorine rubber cable material, the weight parts of its raw materials are: methyl vinyl silicone rubber 95, magnesium hydroxide 125, SBS 25, ethylene-vinyl acetate copolymer 55, polytetrafluoroethylene 25, precipitated white carbon Black 3, light calcium carbonate 70, 2,4-dichlorobenzoyl 3, accelerator DM 4, 2-mercaptobenzimidazole 5, cross-linking agent TAC 2, calcium stearate 3, antioxidant DSTP 3, Monoglyceryl Stearate 3, Stearic Acid 4, and Ammonium Polyphosphate 15.

[0011] The preparation method of silicone rubber insulating fluorine rubber cable material comprises the following steps: weighing each raw material according to the weight part of the constituent raw materials, mixing them uniformly, then kneading at a temperature of 40-50°C for 25-35 minutes, and then mixing them at a temperature of 130-140°C Plasticize for 2-3 minutes and discharge.

[0012] The properties of the silicone rubber insulating fluorine rub...

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Abstract

The invention discloses a silicone rubber insulating fluororubber cable material and a preparation method thereof. The silicone rubber insulating fluororubber cable material comprises the following raw materials in parts by weight: 90-100 parts of methyl vinyl silicone rubber, 20-30 parts of magnesium hydroxide, 40-60 parts of SBS (Styrene Butadiene styrene), 50-60 parts of ethylene-vinyl acetate copolymer, 20-30 parts of polytetrafluoroethylene, 1-4 parts of precipitated white carbon black, 60-80 parts of light calcium carbonate, 2-4 parts of 2,4-dichlorobenzoyl, 3-5 parts of accelerant DM, 3-6 parts of 2-thiolbenzimidazole, 1-3 parts of cross-linking agent TAC, 2-4 parts of calcium stearate, 2-4 parts of antioxidant DSTP, 1-5 parts of stearoyl-rac-glycerol, 2-5 parts of stearic acid and 10-20 parts of ammonium polyphosphate. According to the invention, the preparation method is simple, the electric performance is superior, the formula of the raw materials is rational, and the prepared cable material is environment-friendly, has the advantages of softness, wear resistance, watertightness and the like, and passes the A-level fire resistance test in China.

Description

technical field [0001] The invention relates to a silicone rubber insulating fluorine rubber cable material and a preparation method thereof, belonging to the technical field of cable materials. Background technique [0002] With the rapid development of the economy, wires and cables are widely used in various industries and fields. With the frequent occurrence of electrical fire accidents, the flame retardant problem of wires and cables has gradually attracted the attention of countries all over the world. When the cable burns, it releases a large amount of smoke and toxic and corrosive gas, which is a risk factor in a fire. It hinders people's safe evacuation and fire fighting work during a fire, causing serious loss of life and property. At the same time, with the development of the communication industry, the automobile industry and the computer industry, especially in many occasions such as aviation wires, automobile wires, high-temperature instrument cables, and oil d...

Claims

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Application Information

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IPC IPC(8): C08L83/07C08L23/08C08L27/18C08K13/02C08K3/22C08K3/04C08K3/26C08K3/32C08K5/37
Inventor 沈志海沈志荣邹强
Owner 安徽华海特种电缆集团有限公司
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