Wear-resistant aging-resistant power cable sheath material and preparation method thereof

Abstract

The invention discloses a wear-resistant aging-resistant power cable sheath material and a preparation method thereof in the technical field of cables. The material comprises the following components:silicone rubber, nitrile rubber, ethylene propylene terpolymer, glass fibers, a vulcanizing agent, a coupling agent, a reinforcing agent and an insect repellant. A plastifying step is to put the silicon rubber, the nitrile rubber and the ethylene propylene terpolymer into an internal mixer for plastifying. The material can effectively improve the wear resistance and aging resistance of a cable sheath. The silicone rubber and ethylene propylene terpolymer are mixed in the nitrile rubber to modify the nitrile rubber, so that oil resistance, wear resistance and heat resistance of the nitrile rubber are guaranteed, meanwhile, high and low temperature resistance, weather resistance, insulativity and ozone resistance of the nitrile rubber are improved; the insect repellant is added into the nitrile rubber, pests such as termites and mice can be effectively removed, a cable can be effectively prevented from being damaged by insects, and the use safety of the cable is guaranteed.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a wear-resistant and aging-resistant power cable sheath material and a preparation method thereof. Background technique [0002] The cable is usually a rope-like cable twisted by several or several groups of conductors (at least two in each group). Each group of conductors is insulated from each other and is often twisted around a center. Insulating covering. The cable has the characteristics of internal electrification and external insulation. [0003] 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 elec...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a kind of wear-resisting and anti-aging power cable sheath material and preparation method thereof, to solve the existing power cable sheath that proposes in the above-mentioned background technology mostly is the nitrile rubber that uses, and nitrile rubber 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 insulation performance, and the existing power cables will be eaten by pests such as termites or mice during long-term use, causing potential safety hazards in the use of cables

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