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High tear-resistant cable sheath material

A cable sheathing, high-resistance technology, applied in rubber insulators, organic insulators, etc., can solve the problems of aging resistance and poor oxidation resistance of nitrile rubber

Inactive Publication Date: 2017-05-17
天长市康宁甘油科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But at the same time, due to the existence of double bonds, the aging resistance and oxidation resistance of nitrile rubber are not good.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A cable sheath material with high tear resistance, its raw materials include by weight: 53 parts of nitrile rubber, 32 parts of polypropylene, 10 parts of styrene-butadiene rubber, 12 parts of polyurethane elastomer, 1 part of carbon black N330, organic phosphoric acid 27 parts of ester modified nanoclay, 2 parts of calcium carbonate, 10 parts of polyester fiber, 0.5 parts of sulfur powder, 4 parts of accelerator DM, 1 part of accelerator TT, 5 parts of active zinc oxide powder, 1 part of main antioxidant, 1 part of auxiliary antioxidant, 1 part of main ultraviolet absorber, 1 part of auxiliary ultraviolet absorber, 5 parts of paraffin oil, 6 parts of trioctyl trimellitate, 3 parts of tributyl citrate, 3 parts of lubricant;

[0017] Wherein, the polypropylene is composed of 20wt% homopolypropylene and 80wt% random polypropylene copolymer, and the random polypropylene copolymer is composed of 80wt% propylene monomer and 20wt% Copolymerization of other unsaturated olefin ...

Embodiment 2

[0021] A cable sheath material with high tear resistance, its raw materials include by weight: 69 parts of nitrile rubber, 18 parts of polypropylene, 18 parts of styrene-butadiene rubber, 6 parts of polyurethane elastomer, 3 parts of carbon black N330, organic phosphoric acid 18 parts of ester modified nanoclay, 5 parts of calcium carbonate, 4 parts of polyester fiber, 2 parts of sulfur powder, 2 parts of accelerator DM, 3 parts of accelerator TT, 1 part of active zinc oxide powder, 3 parts of main antioxidant, 0.5 parts of auxiliary antioxidant, 3 parts of main ultraviolet absorber, 0.5 part of auxiliary ultraviolet absorber, 12 parts of paraffin oil, 2 parts of trioctyl trimellitate, 5 parts of tributyl citrate, 1 part of lubricant;

[0022] Wherein, the polypropylene is composed of 35wt% homopolypropylene and 65wt% random polypropylene copolymer, and the random polypropylene copolymer is composed of 95wt% propylene monomer and 5wt% Copolymerization of other unsaturated olefin...

Embodiment 3

[0026] A cable sheath material with high tear resistance, its raw materials include by weight: 58 parts of nitrile rubber, 28 parts of polypropylene, 12 parts of styrene-butadiene rubber, 10 parts of polyurethane elastomer, 1.5 parts of carbon black N330, organic phosphoric acid 25 parts of ester modified nanoclay, 3 parts of calcium carbonate, 8 parts of polyester fiber, 0.8 parts of sulfur powder, 3.5 parts of accelerator DM, 1.5 parts of accelerator TT, 4 parts of active zinc oxide powder, 1.5 parts of main antioxidant, 0.8 parts of auxiliary antioxidant, 1.6 parts of main ultraviolet absorber, 0.8 part of auxiliary ultraviolet absorber, 8 parts of paraffin oil, 5 parts of trioctyl trimellitate, 3.5 parts of tributyl citrate, 2.5 parts of lubricant;

[0027] Wherein, the polypropylene is composed of 25wt% homopolypropylene and 75wt% random polypropylene copolymer, and the random polypropylene copolymer is composed of 85wt% propylene monomer and 15wt% Copolymerization of oth...

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PUM

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Abstract

The invention discloses a high tear-resistant cable sheath material. The high tear-resistant cable sheath material is prepared from the following raw materials in parts by weight: 53 to 69 parts of nitrile rubber, 18 to 32 parts of polypropylene, 10 to 18 parts of butadiene styrene rubber, 6 to 12 parts of polyurethane elastomer, 1 to 3 parts of black carbon N330, 18 to 27 parts of organophosphate ester modified nanometer clay, 2 to 5 parts of calcium carbonate, 4 to 10 parts of polyester fiber, 0.5 to 2 parts of sulfur powder, 2 to 4 parts of accelerant DM, 1 to 3 parts of accelerant TT, 1 to 5 parts of active zinc oxide, 1 to 3 parts of main antioxidant, 0.5 to 1 part of auxiliary antioxidant, 1 to 3 parts of main ultraviolet absorbing agent, 0.5 to 1 part of auxiliary ultraviolet absorbing agent, 5 to 12 parts of paraffin oil, 2 to 6 parts of trioctyl trimellitate, 3 to 5 parts of tributyl citrate, and 1 to 3 parts of lubricating agent. The high tear-resistant cable sheath material has the advantages that the tear-resistant property, tensile strength and other mechanical property are excellent, the flame-retardant property is good, and the anti-aging property is realized.

Description

technical field [0001] The invention relates to the technical field of cable sheath materials, in particular to a cable sheath material with high tear resistance. Background technique [0002] At present, a large number of polymer chemical materials such as polyvinyl chloride and polyethylene are used in the production of wires and cables, and a large amount of toxic and harmful gases are generated during the production process. In addition, the processing of rubber materials is complicated, and the leftovers cannot be recycled, which will easily cause secondary pollution. Among them, nitrile rubber is a random copolymer obtained by free radical-induced emulsion polymerization of butadiene and acrylonitrile monomers. There are unsaturated bonds and polar groups -CN in the molecular structure of nitrile rubber, so that Nitrile rubber has a series of excellent properties, such as good oil resistance and excellent physical and mechanical properties. But at the same time, due ...

Claims

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Application Information

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IPC IPC(8): C08L9/02C08L23/12C08L23/14C08L9/06C08L75/04C08L67/00C08L91/06C08K13/06C08K9/04C08K3/34C08K3/04C08K5/12C08K5/11H01B3/28
CPCC08L9/02C08K2201/011C08L2201/02C08L2201/08C08L2201/22C08L2203/202C08L2205/035C08L2205/16H01B3/28C08L23/12C08L23/14C08L9/06C08L75/04C08L67/00C08L91/06C08K13/06C08K9/08C08K3/346C08K3/04C08K5/12C08K5/11
Inventor 祁建兵
Owner 天长市康宁甘油科技有限公司
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