High inflaming retarding polyolefin cable insulating material and preparation method thereof

A technology of cable insulation and polyolefin, applied in the direction of insulated conductors, insulated cables, cables, etc., to achieve the effects of high tensile strength, good heat resistance, and easy operation

Inactive Publication Date: 2014-04-16
WUHU JIACHENG ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, polyolefin wires and cables will release toxic gases such as hydrogen halide during combustion.

Method used

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  • High inflaming retarding polyolefin cable insulating material and preparation method thereof

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Embodiment Construction

[0013] The present invention will be described in detail below through specific examples.

[0014] A high flame-retardant polyolefin cable insulation material, made of the following raw materials in parts by weight (kg): polyolefin elastomer resin 40, EVA14, polyethylene 12, aluminum hydroxide 10, silane coupling agent KH5502, crosslinking agent TAC1, polyvinyl acetate 4, dibutyltin dilaurate 2, vinyltriethoxysilane 2, isocyanate 1, ditungsten boride 1, ricinoleic acid 1, acetyl triethyl citrate 16, tributyl citrate Ester 5, Auxiliary 6;

[0015] The auxiliary agent is made of the following raw materials in parts by weight (kg): sepiolite powder 12, dimethylaminoethyl acrylate 4, urotropine 1, sodium tripolyphosphate 2, SnO21, silicon carbide powder 2, Joint agent TAC1, magnesium oxide 2, straw ash 1, aluminum stearate 1, tributyl citrate 1, wintergreen oil 0.1; the preparation method is to send sepiolite powder into a calciner and calcinate at 700-730°C for 3- After 4 hours...

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Abstract

The invention discloses a high inflaming retarding polyolefin cable insulating material which is characterized by comprising the following raw materials in parts by weight: 40-45 parts of polyolefin elastomer resin, 14-18 parts of EVA, 12-15 parts of polyethylene, 10-12 parts of aluminium hydroxide, 2-3 parts of a silane coupling agent KH550, 1-2 parts of a cross-linking agent TAC, 4-6 parts of polyvinyl acetate, 2-3 parts of dibutyltin dilaurate, 2-3 parts of triethoxyvinylsilane, 1-2 parts of isocyanate, 1-2 parts of tungsten boride, 1-2 parts of ricinoleic acid, 16-18 parts of triethyl O-acetylcitrate, 5-8 parts of tributyl citrate and 6-8 parts of an addition agent. The high inflaming retarding polyolefin cable insulating material provided by the invention is high in tensile strength, has better heat resistance and processability, and improves the flame retardant rating. The preparation method of the high inflaming retarding polyolefin cable insulating material is reasonable in design and simple and convenient to operate.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a high flame-retardant polyolefin cable insulating material and a preparation method thereof. Background technique [0002] Insulating materials for cables are generally required to have excellent long-term heat aging resistance, radiation resistance, stable electrical properties, flame retardancy and excellent insulation properties. [0003] Polyolefin is a kind of polymer material with the largest output and wide application because of its abundant raw materials, low price, easy processing and molding, and excellent comprehensive properties. Among them, polyethylene and polypropylene are the most important. The main varieties are polyethylene and some copolymers based on ethylene, such as ethylene-vinyl acetate copolymer, ethylene-acrylic acid or acrylate copolymer, as well as polypropylene and some propylene copolymers, poly1-butene, poly 4-Methyl-1-pentene, cycloolefin poly...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/00C08L23/08C08L23/06C08K13/06C08K9/00C08K9/02C08K3/34C08K3/32C08K3/22C08K5/11C08K5/3492H01B7/295
CPCC08L23/00C08K2201/014C08L2201/02C08L2201/08C08L2203/202C08L2205/035H01B3/441H01B7/295
Inventor 朱剑秋
Owner WUHU JIACHENG ELECTRONICS TECH
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