Cable sheath material containing modified PVC resins and preparation method thereof
A technology of polyvinyl chloride resin and cable sheathing material, applied in the direction of insulated cables, plastic/resin/wax insulators, cables, etc., can solve the problems of loss of life and property, hinder safe evacuation and fire fighting work, etc. Good mechanical properties, the effect of improving mechanical properties
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[0017] Example 1: Cable sheathing material containing modified polyvinyl chloride resin, the weight (kg) of its constituent raw materials is: modified polyvinyl chloride resin 90, polyacrylate 18, nano clay 2.5, sodium silicate 20, carbonized Aluminum 9.5, vulcanizing agent VA-7 2.9, antioxidant TPPD 0.8, phenyltriethoxysilane 4.8, diphenylthiourea 4.2, antioxidant DLTP 1.4, epoxy tetrahydrophthalate dioctyl 1.2 and Triphenylphosphine oxide 2.5.
[0018] The preparation method of the cable sheath material containing modified polyvinyl chloride resin comprises the following steps:
[0019] (1) Preparation of modified polyvinyl chloride resin:
[0020] Formula (kg): polyvinyl chloride resin (SG-3) 32, polyisobutylene 17, tetrahydrofuran 42, 2,2′-thiobis(4-tertoctylphenol) 2.8, maleic anhydride 3.0, attapulgite Soil 6.0, vinyltrimethoxysilane 2.0 and crosslinker TAIC 2.4;
[0021] The preparation method is as follows:
[0022] a: Stir and react polyvinyl chloride resin, tetra...
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