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Cable sheath material containing modified chloroprene rubber CR322 and preparation method thereof

A technology of CR322 and cable sheathing material, applied in the direction of insulating cables, cables, circuits, etc., can solve the problems of loss of life and property, obstruction of safe evacuation and fire fighting work, etc.

Active Publication Date: 2013-09-11
山东省未来人才发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the rapid development of the economy, wires and cables are widely used in various industries and fields, and electrical fire accidents occur frequently, and the flame retardant problem of wires and cables has gradually attracted the attention of countries all over the world. Excessive and corrosive gases are dangerous factors in fires, which hinder people's safe evacuation and fire fighting work, causing serious losses of life and property. The quality requirement of sheathing material is increasing day by day, the invention provides a kind of cable sheathing material containing modified neoprene CR322 and preparation method thereof

Method used

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Examples

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Effect test

Embodiment 1

[0017] Example 1: Cable sheathing material containing modified neoprene CR322, the weight (kg) of its constituent raw materials is: modified neoprene CR322 100, polyvinyl acetate 15, magnesium carbonate 3.0, bauxite 32, Aluminum carbide 3.0, accelerator C-15E86 2.2, antioxidant OD 1.0, isopropyl tris(dioctyl pyrophosphate acyloxy) titanate 3.5, zinc stearate 2.8, antioxidant DSTP 1.9, isophthalic acid Formate 3.5 and Cresyl Diphenyl Phosphate 5.0.

[0018] The preparation method of the cable sheath material containing modified chloroprene rubber CR322 comprises the following steps:

[0019] (1) Preparation of modified neoprene CR322:

[0020] Formula (kg): Neoprene CR322 10, alum powder 7.5, xylene 19, nano titanium dioxide 1.2, vinyl triethoxysilane 1.3, 2,6 di-tert-butyl p-cresol 2.2, vinyl trimethoxysilane 1.0 and crosslinker TAIC 0.8;

[0021] The preparation method is as follows:

[0022] a: Stir and react neoprene CR322, xylene, and vinyltriethoxysilane at 110° C. fo...

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Abstract

The invention discloses a cable sheath material containing modified chloroprene rubber CR322 and preparation method thereof. The cable sheath material is composed of the following components: modified chloroprene rubber CR322, polyvinyl acetate, magnesium carbonate, bauxitic clay, aluminium carbide, promoter C-15E86, antioxidant OD, isopropyl tri(dioctylpyrophosphate) titanate, zinc stearate, anti-oxidant DSTP, diphenyl isophthalate and cresyl diphenyl phosphate; the invention employs modified chloroprene rubber CR322 as main material, therefore, the cable sheath has better tensile strength, fracture elongation percentage, tensile strength conservation rate after aging and fracture stretch maintenance rate, impact brittle temperature and excellent performance, and magnesium carbonate in the material is used as strengthening agent, and bauxitic clay and aluminium carbide are used as filling materials.

Description

technical field [0001] The invention relates to a cable sheath material, in particular to a cable sheath material containing modified chloroprene rubber CR322 and a preparation method thereof. Background technique [0002] With the rapid development of the economy, wires and cables are widely used in various industries and fields, and electrical fire accidents occur frequently, and the flame retardant problem of wires and cables has gradually attracted the attention of countries all over the world. Excessive and corrosive gases are dangerous factors in fires, which hinder people's safe evacuation and fire fighting work, causing serious losses of life and property. The quality requirements of sheathing materials are increasing day by day. The invention provides a cable sheathing material containing modified neoprene rubber CR322 and a preparation method thereof. Contents of the invention [0003] The object of the present invention is to provide a cable sheath material con...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L51/04C08L31/04C08K13/02C08K3/26C08K3/14C08K3/22C08K5/12C08K5/523C08F279/02H01B7/17
Inventor 董后友张庆峰张先平叶彭飞张云飞
Owner 山东省未来人才发展有限公司
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