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Power cable sheath material

A technology for power cables and sheathing materials, used in the field of wires and cables, can solve problems such as life-threatening safety, poor chemical stability, and short service life, and achieve the effects of good flexibility, long service life, and chemical solvent resistance.

Inactive Publication Date: 2016-08-17
ANHUI HUAXING CABLE GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] There are various requirements for power cable indicators, such as insulation, tensile strength, operating temperature, flame retardant performance and other indicators. Continuously improving the performance of sheath materials is an urgent need for economic and social development. Traditional Most of the sheath materials have problems such as poor flame retardancy, poor chemical stability, high temperature deformation, poor mechanical properties, and short service life, which bring a lot of inconvenience to actual use and even threaten people's lives and property. Therefore, it is urgent to change the original There are sheath material formulations to improve material properties to meet the diverse needs of the power cable market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] 105 parts of PVC resin, 22 parts of octyl phenolic tackifying resin, 14 parts of fluororesin, 5 parts of polystyrene butadiene copolymer, 7 parts of vinyl chloroacetate, 5 parts of ethyl acrylate, 2-mercaptobenzothiazole zinc 1.5 parts of salt, 2 parts of sorbitan trioleate, 3 parts of triethylene glycol monoisopropyl ether, 0.5 parts of p-toluenesulfonyl hydrazide, 3 parts of vinyl-tris(2-methoxyethoxy) silane, 2.4 parts of tetrapolyethylene glycol monolauryl ether, 3 parts of diallylamine, 8 parts of butyl stearate, 4 parts of titanium dioxide, 2 parts of nano-bauxite, 3 parts of carbon black, 1.6 parts of antimony trioxide , 8 parts of polyethylene wax.

[0013] According to the conventional method, the cable sheathing material is produced.

[0014] After testing: the tensile strength is 18.2Mpa, and the elongation at break is 422%. After being treated with IRM902 oil at 90℃×70h, the tensile strength and elongation at break are 17.7Mpa and 387%, respectively. After ...

Embodiment 2

[0016] 102 parts of PVC resin, 25 parts of octyl phenolic tackifying resin, 12 parts of fluororesin, 9 parts of polystyrene butadiene copolymer, 8 parts of vinyl chloroacetate, 3 parts of ethyl acrylate, 2-mercaptobenzothiazole zinc 2.3 parts of salt, 4 parts of sorbitan trioleate, 4 parts of triethylene glycol monoisopropyl ether, 0.3 parts of p-toluenesulfonyl hydrazide, 4.7 parts of vinyl-tris(2-methoxyethoxy) silane, 1.8 parts of tetrapolyethylene glycol monolauryl ether, 5 parts of diallylamine, 4 parts of butyl stearate, 7 parts of titanium dioxide, 4 parts of nano-bauxite, 2 parts of carbon black, 2 parts of antimony trioxide , 9 parts of polyethylene wax.

[0017] According to the conventional method, the cable sheathing material is produced.

[0018] After testing: the tensile strength is 17.6Mpa, and the elongation at break is 418%. After being treated with IRM902 oil at 90℃×70h, the tensile strength and elongation at break are 17.9Mpa and 391%, respectively. After ...

Embodiment 3

[0020] 109 parts of PVC resin, 23 parts of octyl phenolic tackifying resin, 18 parts of fluororesin, 9 parts of polystyrene butadiene copolymer, 6 parts of vinyl chloroacetate, 6 parts of ethyl acrylate, 2-mercaptobenzothiazole zinc 0.9 parts of salt, 2 parts of sorbitan trioleate, 4 parts of triethylene glycol monoisopropyl ether, 0.7 parts of p-toluenesulfonyl hydrazide, 2.4 parts of vinyl-tris(2-methoxyethoxy) silane, 3.5 parts of tetrapolyethylene glycol monolauryl ether, 2.4 parts of diallylamine, 5 parts of butyl stearate, 4 parts of titanium dioxide, 1 part of nano-bauxite, 4 parts of carbon black, 2 parts of antimony trioxide , 4 parts of polyethylene wax.

[0021] According to the conventional method, the cable sheathing material is produced.

[0022] After testing: the tensile strength is 17.5Mpa, and the elongation at break is 411%. After being treated with IRM902 oil at 90℃×70h, the tensile strength and elongation at break are 17.4Mpa and 390%, respectively. After...

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Abstract

The invention discloses a power cable sheath material comprising the raw materials in parts by weight as follows: PVC resin, octyl-phenolic tackifying resin, fluororesin, polystyrene-butadiene copolymer, vinyl chloroacetate, ethyl acrylate, 2-mercaptobenzothiazole zinc salt, sorbitol anhydride trioleate, triethylene glycol monoisopropyl ether, p-toluenesulfonohydrazide, vinyl-tri(2-methoxyethoxy)silane, tetraethylene glycol monododecyl ether, diallyl amine, butyl stearate, 3-10 parts of titanium dioxide, nano-bauxite, carbon black, antimonous oxide, and polyethylene wax. The power cable sheath material provided by the invention has good processing performance and mechanical properties, and the prepared material has high strength, good flexibility, and long service life, and resists high temperature aging, oil permeation and chemical solvents.

Description

technical field [0001] The invention relates to a power cable sheathing material, which belongs to the field of electric wires and cables. Background technique [0002] Power cables are cables used to transmit and distribute electric energy. Power cables are often used in urban underground power grids, outgoing lines of power stations, internal power supply of industrial and mining enterprises, and underwater transmission lines across rivers and seas. In power lines, the proportion of cables is gradually increasing. Power cables are cable products used to transmit and distribute high-power electric energy in the main line of the power system, including 1-500KV and above various voltage levels and various insulated power cables. [0003] There are various requirements for power cable indicators, such as insulation, tensile strength, operating temperature, flame retardant performance and other indicators. Continuously improving the performance of sheath materials is an urgent...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L27/06C08L27/12C08K13/02C08K3/04C08K3/22C08K5/17C08K5/101H01B3/44H01B7/17
CPCC08L27/06C08K2201/011C08K2201/014C08L2201/08C08L2203/202C08L2205/02C08L2205/035H01B3/443H01B7/17C08L27/12C08K13/02C08K3/04C08K3/2279C08K5/17C08K2003/2241
Inventor 陈永军曹中年
Owner ANHUI HUAXING CABLE GROUP
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