Environment-friendly modified natural rubber material applied to cable insulation layer

Abstract

The invention discloses an environment-friendly modified natural rubber material applied to a cable insulation layer. The environment-friendly modified natural rubber material comprises the following raw materials in parts by weight: 60-80 parts of rare earth cis-polybutadiene rubber, 30-40 parts of modified natural rubber, 3-4 parts of a vulcanization system, 5-10 parts of mica powder, 20-30 parts of a lignin reinforcing agent, 30-40 parts of white carbon black, 20-30 parts of silane modified sepiolite, 2-3 parts of nano calcium carbonate, 1.5-1.8 parts of silicone oil, 1-2 parts of naphthenic oil, 40-50 parts of carbon black N330 and 5-6 parts of N-methylene carboxyl-2-benzothiazolyl sulfenamide, wherein the vulcanization system comprises the following components in parts by weight: 0.5-1 part of N-N'-meta-phenylene bismaleimide, 2-3 parts of sulphur, 0.5-1 part of a vulcanization accelerator DPTT, 0.5-1 part of a vulcanization accelerator TMTM and 1-2 parts of a vulcanization accelerator TMTD. The environment-friendly modified natural rubber material is environment-friendly, small in pollution, high in mechanical performance and high in ageing-resistant performance.

Description

technical field [0001] The invention relates to the technical field of cable sheaths, in particular to an environmentally friendly modified natural rubber material for cable insulation layers. Background technique [0002] my country's natural rubber resources are very rich, with high elasticity, excellent electrical insulation properties, good wear resistance and drought resistance. my country's resources are relatively scarce, and the rational use of natural rubber to alleviate the shortage of resources in our country is extremely important for economic development and environmental protection. effect. At present, the performance of natural rubber reinforced wire and cable insulation layer is developing more and more rapidly, which has great economic potential, but natural rubber is easy to age, and the mechanical properties cannot meet the requirements, and the prepared waste wire and cable insulation layer is easy to pollute the environment after being buried. At present...

AI Technical Summary

Problems solved by technology

At present, the performance of natural rubber reinforced wire and cable insulation layer is developing more and more rapidly, which has great economic potential, but natural rubber is easy to age, and the mechanical properties cannot meet the requirements, and the prepared waste wire and cable insulation layer is easy to pollute the environment after being buried. At present, the research on the modification of natural rubber has attracted more and more people's attention.