Ageing resistant cable sheath material

Abstract

The invention discloses an ageing resistant cable sheath material which comprises the following raw materials in parts by weight: 95-101 parts of neoprene A-30, 20-30 parts of nano calcium carbonate, 10-16 parts of modified filler, 6-9 parts of ethylene bis stearamide, 4-6 parts of epoxidized soybean oil, 15-20 parts of chlorinated polyethylene, 2-3 parts of diphenylamine, 10-15 parts of potassium feldspar powder, 2-4 parts of dibasic lead phosphate, 2-3 parts of antioxygen DSTP, 3-5 parts of barium stearate, 0.8-1 part of a cross-linking agent ATC, 0.8-1 part of an accelerant TMTD and 1-2 parts of dipentamethylenethiuram. The prepared ageing resistant cable sheath material has excellent performance, size stability, low shrinking percentage, has strong tensile strength, strong tearing strength, strong resilience force performance and also has good oil resistance, heat resistance, sunlight resistance, ozone resistance, acid/alkali resistance and chemical reagent resistance; and the modified filler has good dispersity and surface tension, can further improve the tensile strength and stress at definite elongation of the cable sheath material and reduce heating and compression set of the cable sheath material, is capable of slowing down the aging speed of the cable sheath material, resisting acid and alkali corrosion and reducing production cost.

Description

technical field [0001] The invention mainly relates to a cable sheathing material, in particular to an aging-resistant cable sheathing material. Background technique [0002] Neoprene has good physical and mechanical properties, oil resistance, heat resistance, flame resistance, sunlight resistance, ozone resistance, acid and alkali resistance, and chemical reagent resistance. It has high tensile strength, elongation and reversible crystallinity, good adhesion, aging resistance, heat resistance, oil resistance and chemical corrosion resistance. It can be used for a long time at 80-100 °C and has a certain flame retardancy. However, the disadvantage is that the storage stability is poor. Therefore, using neoprene as a cable sheath material can ensure that it has strong heat resistance, aging resistance, oil resistance, corrosion resistance, etc., and by adding some modified fillers. Improving its storage stability further improves the performance of the cable sheathin...

AI Technical Summary

Problems solved by technology

It has high tensile strength, elongation and reversible crystallinity, good adhesion, aging resistance, heat resistance, oil resistance and chemical corrosion resistance. It can be used for a long time at 80-100 °C and has a certain flame retardancy. However, the disadvantage is that the storage stability is poor. Therefore, using neoprene as a cable sheath material can ensure that it has strong heat resistance, aging resistance, oil resistance, corrosion resistance, etc., and by adding some modified fillers. Improving its storage stability further improves the performance of the cable sheathing material