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Efficient compound thermoplastic elastomer

A thermoplastic elastomer, high-performance technology, applied in the field of thermoplastic elastomers, can solve the problems of poor compatibility, poor oil resistance, limited application range, etc., achieve short molding cycle, simple process, and change the effect of environmental pollution

Active Publication Date: 2010-06-09
DALIAN COMPOUNDING NEW MATERIALS
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

However, due to its poor oil resistance, its application range is limited, especially in automotive parts
[0003] The TPV prepared by the dynamic vulcanization method composed of nitrile rubber (NBR) and PP has excellent oil resistance, but due to the poor compatibility between the two, it is compared with EPDM and PP in terms of mechanical properties and appearance TPV has big flaws

Method used

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Examples

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Embodiment Construction

[0018] Table 1 is the composition and parts by weight of Example 1, Example 2 and Comparative Examples of the present invention, Example 1 and Example 2 except MEP / CNB / RNH 2 Except that the compatibilizer accounts for different weight percentages of the whole components, the others are identical. Comparative example is compared with embodiment 1,2, except not containing MEP / CNB / RNH 2 Except for the compatibilizer, everything else is exactly the same.

[0019] The present invention adopts the composite system of EPDM, NBR and PP resin, specifically as follows: EPDM adopts EPDM (MITSUI 4045). NBR adopts NBR (Perbunan N 3801). PP resin adopts polypropylene (B200).

[0020] MEP / CNB / RNH 2 The compatibilizer is self-made, and the distribution ratio of the three components is MEP:CNB:RNH 2 It is 15:8:2. Among them, MEP (a mixture of maleic anhydride grafted polyolefin resin and EPDM) is a mixture of maleic anhydride grafted homopolypropylene and EPDM; CNB (carboxylated nitrile ...

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PUM

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Abstract

The invention belongs to an efficient compound thermoplastic elastomer and provides a full curing thermoplastic elastomer which is more oil-resisting than a common full curing polyolefine thermoplastic vulcanized rubber. The elastomer adopts a compound system of an ethylene propylene diene rubber, a nitrile rubber and a polyolefine resin and a compound system of a maleic anhydride graft, a carboxylic acrylonitrile butadiene rubber and organic aminated compounds. The compound thermoplastic elastomer has excellent oil-resisting property and mechanical property.

Description

field of invention [0001] The invention belongs to a kind of thermoplastic elastomer, in particular to an oil-resistant fully vulcanized thermoplastic vulcanized rubber. Background technique [0002] The thermoplastic elastomer (TPV) produced by dynamic full vulcanization technology has the high elasticity of rubber and excellent oil resistance and cold resistance. Most of these elastomers are composed of polyolefin materials, and the most widely used is EPDM Rubber (EPDM) and polypropylene (PP) are the composition system of the base material. However, due to its poor oil resistance, its application range is limited, especially in automotive parts. [0003] The TPV prepared by the dynamic vulcanization method composed of nitrile rubber (NBR) and PP has excellent oil resistance, but due to the poor compatibility between the two, it is compared with EPDM and PP in terms of mechanical properties and appearance TPV has big flaws. Contents of the invention [0004] The inven...

Claims

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Application Information

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IPC IPC(8): C08L9/02C08L23/16C08L23/12C08L51/06C08L13/00C08K5/17C08K5/14C08K3/24C08L61/06
Inventor 邵毅
Owner DALIAN COMPOUNDING NEW MATERIALS
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