Polyvinyl chloride cable material

Abstract

The invention relates to a polyvinyl chloride cable material having excellent performances. The polyvinyl chloride cable material having excellent performances comprises: by weight, 100 parts of polyvinyl chloride resin, 25 parts of one or more inorganic filling materials, 4 parts of triphenyl phosphate, 10 parts of epoxy butyl oleate, 24 parts of aluminum hydroxide, 0.6 parts of an anti-oxidant 1010, 1.8 parts of an anti-oxidant 1024, 2 parts of magnesium oxide, 3 parts of zinc oxide, 2 parts of eleaostearic acid and 0.6 parts of an aluminate coupling agent. The polyvinyl chloride cable material having excellent performances has excellent weatherability, cold resistance, aging resistance, oxidation resistance and copper corrosion resistance.

Description

Technical field [0001] The invention relates to a cable material, especially a polyvinyl chloride cable material with excellent performance. Background technique [0002] During the cable production process, the oxidation and discoloration of copper conductors is an old and difficult problem. The conventional solution is to use physical methods to block the contact between copper and air, and to use chemical methods to generate a passivation film to block the oxidation of copper conductors. Thermoplastic insulators have no effect on copper wire oxidation under normal conditions. However, many existing cable materials use inferior raw and auxiliary materials. Although the conventional testing indicators are qualified, long-term use will cause damage to the copper wire. Commonly used PVC plasticizers, such as dioctyl phthalate, dioctyl sebacate, diundecyl phthalate, trioctyl trimellitate, chlorinated paraffin, etc., all have free acid ion precipitation , Corrosion of copper wire ...

AI Technical Summary

Problems solved by technology

However, many existing cable materials use inferior raw and auxiliary materials. Although the conventional inspection indicators are qualified, long-term use will cause damage to the copper wire.

Commonly used PVC plasticizers, such as dioctyl phthalate, dioctyl sebacate, diundecyl phthalate, trioctyl trimellitate, chlorinated paraffin, etc., all have free acid ion precipitation , corrode the copper wire and oxidize and blacken, which seriously affects the performance of the cable

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