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External thermoplastic elastomer material of halogen-free flame-retardant cable

A thermoplastic elastomer and flame-retardant cable technology, applied in the direction of insulating cables, plastic/resin/wax insulators, cables, etc., can solve the problems of easy damage and cracking, poor resistance to organic solvents, etc., to improve rigidity and deformation resistance ability, high flame retardant efficiency, and the effect of improving oil resistance

Inactive Publication Date: 2016-08-17
ANHUI TIANYUAN CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Ordinary PVC insulation materials also have disadvantages such as poor acid and alkali resistance, heat oil resistance, and organic solvent resistance, and are prone to damage and cracking in the specific environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0015] A thermoplastic elastomer halogen-free flame-retardant cable external use material, which is composed of the following raw materials in parts by weight: 110 parts of raw materials TPU, 35 parts of SEBS, 7 parts of organic rectorite, 2 parts of tetraisopropyl titanate, precipitated white 20 parts of carbon black, 15 parts of plasticizer, 15 parts of mica, 5 parts of talcum powder, 4 parts of flame retardant, 4 parts of lubricant, 0.5 part of antioxidant, 4 parts of silane coupling agent with fineness less than 300, carbon black 5 servings.

[0016] A preparation method of a thermoplastic elastomer halogen-free flame-retardant cable external use material, (1) adding organic rectorite and tetraisopropyl titanate into a high-speed mixer, stirring at a speed of 500-600rpm at 95-105°C Mix for 22-28 minutes, then put the organic rectorite treated with tetraisopropyl titanate coupling agent into the screw twin extruder, then add TPU, control the temperature of the melting secti...

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PUM

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Abstract

The invention discloses an external thermoplastic elastomer material of a halogen-free flame-retardant cable. The material is prepared from, by weight, 105-115 parts of TPU, 30-40 parts of SEBS, 6-7 parts of organic rectorite, 1-3 parts of tetraisopropyl titanate, 15-25 parts of precipitated silica, 10-20 parts of plasticizer, 10-20 parts of mica, 4-6 parts of talcum powder, 4-6 parts of fire retardant, 3-5 parts of lubricant, 0.2-0.6 part of antioxidant, 3-5 parts of silane coupling agent with the fineness smaller than 300 and 4-6 parts of carbon black. The defects in the prior art are overcome, and the comprehensive performance of resisting oil, resisting heat, being soft, good in resilience force and low in smoke, resisting solvents and cold and the like is achieved.

Description

technical field [0001] The invention relates to the technical field of cable outer covering materials, in particular to a thermoplastic elastomer halogen-free flame-retardant cable outer material and a preparation method thereof. Background technique [0002] As the second largest industry in the national economy, wire and cable have been widely used in the transmission of various types of electric energy and signals. Compared with other materials, halogen-free flame-retardant thermoplastic elastomers are the preferred materials for various types of wire and cable insulation and sheathing due to their light specific gravity, easy processing and molding, good comprehensive mechanical properties and excellent electrical insulation properties. [0003] Thermoplastic polyurethane (TPU) refers to a type of elastomeric material polymerized from diisocyanate, polyol and chain extender. It has the characteristics of high strength, high elasticity, wear resistance, oil resistance and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L75/04C08L53/02C08K13/06C08K3/34C08K3/36C08K3/22C08K3/04H01B7/295H01B3/30
CPCC08K2201/011C08K2201/014C08L75/04C08L2201/02C08L2201/08C08L2201/22C08L2203/202C08L2207/04H01B3/302H01B7/295C08L53/025C08K13/06C08K3/346C08K3/36C08K3/34C08K2003/2227C08K3/04
Inventor 黄显武徐华芳王江海杨玉双蒋艳金德胜朱李红王焰芳
Owner ANHUI TIANYUAN CABLE
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