Polyphenylether/thermoplastic elastomer composition used for cables and preparation method thereof

A technology of thermoplastic elastomer and polyphenylene ether, which is applied in the field of high and low temperature resistant environmental protection materials, halogen-free flame retardant, and can solve the problems of low strength of blends, poor material softness, and reduced hardness.

Active Publication Date: 2011-10-26
溧阳常大技术转移中心有限公司
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  • Abstract
  • Description
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Problems solved by technology

[0003] Example test results in Chinese published patents CN101130616A and CN101928453A show that the softness of the material is relatively poor, such as being used to make mobile phones, computer data lines, etc., which cannot give people a comfortable feeling
In the published patent CN101358028A, the hardness is reduced by adding a large amount of softening plastic...

Method used

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  • Polyphenylether/thermoplastic elastomer composition used for cables and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1 6

[0034] Embodiment operation process: the preparation method of thermoplastic elastomer composition for electric cable, has the following steps:

[0035] 1) Accurately weigh each component according to the formula setting in Table 1;

[0036] 2) Divide the components of the above 1) into three parts according to the categories of resin, flame retardant and small materials. Small materials include smoke suppressants, compatibilizers, flame retardant synergists, antioxidants, processing aids, and Add weightless electronic scales respectively;

[0037] 3) Through the weightless electronic weighing system, it evenly enters the screw cylinder of the Swiss BUSS machine from the feeding port according to the preset ratio; through the unique four-screw reciprocating mixing process of the BUSS machine, the granulation is completed by underwater granulation process to get the finished product.

[0038] The following table shows the ratio of raw materials in Examples 1 to 6 and the rele...

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Abstract

The invention relates to a polyphenylether/thermoplastic elastomer composition used for cables and a preparation method thereof, relating to halogen-free, flame-retardant, high-temperature and low-temperature resistant and environmentally-friendly materials. The polyphenylether/thermoplastic elastomer composition comprises the following components in parts by weight: 10-15 parts of polyphenylether, 30-45 parts of SEBS (styrene-ethylene-butadiene-styrene block copolymer), 30-45 parts of POE (polyoxyethylene), 25-45 parts of flame retardant, 5-10 parts of smoke suppressant, 0.5-6 parts of flame-retardant synergist, 0.1-9 parts of compatibilizer, 0.1-2 parts of antioxidant and 0.01-2 parts of processing aid. According to the invention, the addition of a functionalized thermoplastic elastomereffectively improves the compatibility between the non-polar elastomer and polyphenylether, and the complex synergistic effect of red phosphorus and magnesium hydroxide improves the flexibility, flame retardancy, high-temperature and low-temperature resistance, water resistance and electrical insulation properties of wire and cable coating materials prepared by using a Swiss BUSS four-screw reciprocating mixing machine.

Description

technical field [0001] The invention relates to a halogen-free flame-retardant, high and low temperature resistant environment-friendly material, in particular to a polyphenylene ether / thermoplastic elastomer composition for cables and a preparation method thereof. Background technique [0002] In today's rapid economic development, wires and cables, as the hub of information transmission and energy conversion, are called the "arteries" and "nerves" of the national economy. The traditional polyvinyl chloride (PVC) used as wire and cable covering materials still dominates the market. Because it decomposes at high temperature and produces a large amount of irritating and corrosive gases, it not only seriously endangers human health, pollutes the environment, but also corrodes equipment. cause huge economic losses. With the improvement of international requirements for fire protection and environmental protection, it has become a trend to develop high performance, high and low...

Claims

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Application Information

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IPC IPC(8): C08L53/02C08L71/12C08L23/08C08L51/00C08L51/06C08K13/06C08K9/10C08K3/22C08K3/02C08K5/372C08K5/134C08K5/526H01B7/295H01B3/44H01B3/30
Inventor 李锦春徐鑫鹏
Owner 溧阳常大技术转移中心有限公司
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