Heat-resistant soft semi-conductive shielding PP cable material and preparation method thereof

A semi-conductive and conductive filler technology, used in the field of PP cable shielding materials, can solve problems such as poor structural stability and shortened service life, and achieve the effects of reducing hardening and brittleness, increasing flexibility and reducing weight.

Active Publication Date: 2021-11-02
江阴市海江高分子材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]Existing heat-resistant electric shielding PP cable materials have poor structural stability when used in plateau and alpine regions, and are prone to frostbite and become hard and brittle, shortening the use life

Method used

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  • Heat-resistant soft semi-conductive shielding PP cable material and preparation method thereof
  • Heat-resistant soft semi-conductive shielding PP cable material and preparation method thereof
  • Heat-resistant soft semi-conductive shielding PP cable material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] The invention provides a heat-resistant soft semi-conductive shielding PP cable material, which comprises: 68.70% of compounded homopolymer, 4.60% of Clariant OP wax, 0.24% of antioxidant, 26.46% of Conductive filler; the mixing and compounding homopolymer includes: 45.80% PP resin, 32.40% PP-R material, and 21.80% epoxy resin in terms of weight percentage; the conductive filler includes: 14.80% in weight percentage % three-dimensional graphene porous film, 14.80% acetylene carbon black, 14.80% expanded graphite, 13.50% polyimide fiber, 13.50% nano cellulose, 13.50% nano zirconium diboride, 15.10% nano calcium carbonate;

[0027]Described antioxidant is antioxidant 1010, antioxidant 168, antioxidant AO-60, antioxidant HP-10, antioxidant 1024, antioxidant 1035, antioxidant 1076, antioxidant 300 and Compounded with one or more kinds of antioxidant DSTP;

[0028] The present invention also provides a method for preparing a heat-resistant soft semi-conductive shielded PP ...

Embodiment 2

[0037] Different from Example 1, it includes: 80.90% mixing and compounding homopolymer, 7.80% Clariant OP wax, 0.46% antioxidant, 10.84% ​​conductive filler according to weight percentage; According to the calculation of weight percentage, the compound homopolymer includes: 48.60% PP resin, 34.60% of PP-R material, and 16.80% epoxy resin; the described conductive filler includes 15.60% of three-dimensional graphene porous film, 15.60% of weight percentage. % acetylene carbon black, 15.60% expanded graphite, 14.70% polyimide fiber, 14.70% nano cellulose, 14.70% nano zirconium diboride, 9.10% nano calcium carbonate.

Embodiment 3

[0039] All different from Examples 1-2, it includes: 74.80% mixing and compounding homopolymer, 6.20% Clariant OP wax, 0.35% antioxidant, 18.65% conductive filler according to weight percentage; The mixing and compounding homopolymer includes: 47.20% PP resin, 33.50% PP-R material, and 19.30% epoxy resin by weight percentage; the conductive filler includes: 15.20% three-dimensional graphene by weight percentage Porous film, 15.20% acetylene carbon black, 15.20% expanded graphite, 14.10% polyimide fiber, 14.10% nano cellulose, 14.10% nano zirconium diboride, 12.10% nano calcium carbonate.

[0040] Get the semiconductive shielded PP cable material that above-mentioned embodiment 1-3 makes and the semiconductive shielded PP cable material of control group one, the semiconductive shielded PP cable material of control group two, the semiconductive shielded PP cable of control group three Materials, semi-conductive shielded PP cable material of control group four, semi-conductive sh...

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PUM

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Abstract

The invention discloses a heat-resistant soft semi-conductive shielding PP cable material and a preparation method thereof, and particularly relates to the technical field of PP cable shielding materials, and the heat-resistant soft semi-conductive shielding PP cable material comprises a mixed compound homopolymer, Clariant OP wax, an antioxidant and a conductive filler. According to the invention, the semi-conductive shielding PP cable material has good elongation at break performance in a low-temperature environment in an alpine region, the elasticity and ductility of the semi-conductive shielding PP cable material in the low-temperature environment in the alpine region can be effectively ensured, the hardening and embrittlement phenomena are reduced, the tensile property of the semi-conductive shielding PP cable material in the low-temperature environment can be improved, the external elasticity of the cable is ensured, the service life of the cable is ensured, and the addition amount of conductive carbon black in the conductive crosslinking type is far greater than that in the non-crosslinking type; and the heat-resistant soft semi-conductive shielding PP cable material disclosed by the invention is of a non-crosslinking type, the amount of added conductive carbon black is small, the heat-resistant soft semi-conductive shielding PP cable material has environment-friendly and low-carbon effects, but the conductivity and the ultra-cleanliness of the material are superior to those of a crosslinking type.

Description

technical field [0001] The invention relates to the technical field of PP cable shielding material, more specifically, the invention relates to a heat-resistant soft semi-conductive shielding PP cable material and a preparation method thereof. Background technique [0002] A cable is an electrical energy or signal transmission device. Cables include power cables, control cables, compensation cables, shielded cables, high-temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, etc. PP (high polymer polypropylene) generally refers to polypropylene, which is a polymer formed by addition polymerization of propylene. Modified polypropylene can be used to make insulating shells of household appliances and liners of washing machines, and is widely used as insulating materials for wires and cables and other electrical appliances. [0003] The existing heat-resistant electric shielding PP cable ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L63/00C08L79/08C08L1/02C08K7/24C08K3/04C08K3/38C08K3/26C08K13/04
CPCC08L23/12C08L2201/08C08L2203/202C08K2201/011C08K2003/265C08K2201/001C08L63/00C08L79/08C08L1/02C08K7/24C08K3/04C08K3/38C08K3/26C08K13/04Y02A30/14
Inventor 顾金云张国清张人尹
Owner 江阴市海江高分子材料有限公司
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