High-performance environment-friendly cable sheath material

A cable sheath, high-performance technology, applied in the direction of insulating cables, cables, circuits, etc., can solve the problems of poor low temperature resistance, poor ozone resistance, poor electrical performance, etc., to speed up vulcanization speed, reduce air permeability, and improve wear resistance And the effect of heat-resistant performance

Inactive Publication Date: 2014-12-10
ANHUI MENTOR CABLE GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Nitrile rubber is produced by emulsion polymerization of butadiene and acrylonitrile. Nitrile rubber is mainly produced by low-temperature emulsion polymerization. It has excellent oil resistance, high wear resistance, good heat resistance and strong adhesion. ; Its disadvantages are poor low temperature resistance, poor ozone resistance, poor electrical properties, and slightly lower elasticity

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A kind of high-performance environment-friendly cable sheath material proposed by the present invention, its raw material comprises by weight: 18 parts of ethylene-vinyl acetate resin, 15 parts of nitrile rubber, 20 parts of carbon black, 6 parts of light calcium carbonate, titanium dioxide 7 parts, 1.5 parts of ammonium polyphosphate, 2 parts of magnesium oxide, 2 parts of zinc oxide, 20 parts of magnesium hydroxide, 10 parts of zinc borate, 0.6 parts of chlorinated paraffin, 2 parts of anti-aging agent NBC, 1 part of pentaerythritol fatty acid ester, lemon 1.5 parts of acid ester, 1 part of sulfur, 2 parts of accelerator TMTD, wherein the content of vinyl acetate in ethylene-vinyl acetate resin is 47%;

[0017] During the preparation process, add ethylene-vinyl acetate resin and nitrile rubber into the internal mixer, heat to 55°C and knead for 4 minutes, then raise the temperature to 90°C, then add ammonium polyphosphate, magnesium hydroxide, zinc oxide, boric acid Z...

Embodiment 2

[0019] A high-performance environmental protection cable sheath material proposed by the present invention, its raw materials include by weight: 20 parts of ethylene-vinyl acetate resin, 10 parts of nitrile rubber, 35 parts of carbon black, 5.2 parts of light calcium carbonate, titanium dioxide 7.8 parts, 0.8 parts of ammonium polyphosphate, 2.3 parts of magnesium oxide, 1.2 parts of zinc oxide, 28 parts of magnesium hydroxide, 7 parts of zinc borate, 0.8 parts of chlorinated paraffin, 1.5 parts of anti-aging agent NBC, 1.4 parts of pentaerythritol fatty acid ester, lemon 1.2 parts of acid ester, 1.3 parts of sulfur, 1.8 parts of accelerator TMTD, wherein the content of vinyl acetate in ethylene-vinyl acetate resin is 45%;

[0020] During the preparation process, add ethylene-vinyl acetate resin and nitrile rubber into the internal mixer, heat to 62°C and knead for 3.3 minutes, then raise the temperature to 98°C, then add ammonium polyphosphate, magnesium hydroxide, zinc oxide,...

Embodiment 3

[0022] A kind of high-performance environment-friendly cable sheath material proposed by the present invention, its raw material comprises by weight: 22 parts of ethylene-vinyl acetate resin, 8 parts of nitrile rubber, 40 parts of carbon black, 5 parts of light calcium carbonate, titanium dioxide 8 parts, 0.5 parts of ammonium polyphosphate, 2.5 parts of magnesium oxide, 1 part of zinc oxide, 30 parts of magnesium hydroxide, 5 parts of zinc borate, 0.9 parts of chlorinated paraffin, 1 part of anti-aging agent NBC, 1.5 parts of pentaerythritol fatty acid ester, lemon 1 part of acid ester, 1.5 parts of sulfur, 1.5 parts of accelerator TMTD, wherein the content of vinyl acetate in the ethylene-vinyl acetate resin is 49%;

[0023] During the preparation process, add ethylene-vinyl acetate resin and nitrile rubber into the internal mixer, heat to 58°C and knead for 3.6 minutes, then raise the temperature to 94°C, then add ammonium polyphosphate, magnesium hydroxide, zinc oxide, Zin...

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PUM

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Abstract

The invention discloses a high-performance environment-friendly cable sheath material which comprises the following raw materials in parts by weight: 18-22 parts of ethylene-vinyl acetate resin, 8-15 parts of nitrile rubber, 20-40 parts of carbon black, 5-6 parts of light calcium carbonate, 7-8 parts of titanium dioxide, 0.5-1.5 parts of ammonium polyphosphate, 2-2.5 parts of magnesium oxide, 1-2 parts of zinc oxide, 20-30 parts of magnesium hydrate, 5-10 parts of zinc borate, 0.6-0.9 part of chlorinated paraffin, 1-2 parts of an antiager NBC, 1-1.5 parts of pentaerythritol aliphatic ester, 1-1.5 parts of citrate, 1-1.5 parts of sulphur and 1.5-2 parts of an accelerant TMTD. The high-performance environment-friendly cable sheath material disclosed by the invention has excellent oil resistance property and excellent heat and flame resistance property and also has excellent wear resistance and wear resistance.

Description

technical field [0001] The invention relates to the technical field of cable sheaths, in particular to a high-performance and environment-friendly cable sheath material. Background technique [0002] Nitrile rubber is produced by emulsion polymerization of butadiene and acrylonitrile. Nitrile rubber is mainly produced by low-temperature emulsion polymerization. It has excellent oil resistance, high wear resistance, good heat resistance and strong adhesion. ; Its disadvantages are poor low temperature resistance, poor ozone resistance, poor electrical properties, and slightly lower elasticity. Nitrile rubber is mainly used in the manufacture of oil-resistant rubber products. [0003] Ethylene-vinyl acetate resin is a thermoplastic resin obtained by copolymerizing ethylene and vinyl acetate. The vinyl acetate content of industrial products is 5-95%, and the properties of various varieties vary greatly. Generally, as the content of vinyl acetate increases, the crystallinity,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/08C08L9/02C08L91/06C08K13/04C08K3/04C08K3/26C08K3/22C08K3/38C08K5/11B29B9/06B29C47/92H01B7/17B29C48/92
CPCC08K2003/2241C08L23/0853B29B9/06B29C48/92B29C2948/9258B29C2948/92704C08L31/04C08L2201/02C08L2201/08C08L2203/202C08L2205/03H01B7/295C08L9/02C08L91/06C08K13/02C08K3/04C08K2003/265C08K2003/323C08K2003/222C08K2003/2296C08K2003/2224C08K2003/387C08K5/11
Inventor 周国庆陆书东
Owner ANHUI MENTOR CABLE GROUP
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