Influence of blending ratio on the propertiy of EPDM/FEPM

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  • Xianyang Rubber Industrial Products Research Institute Co.,Ltd.,Xianyang 712021

Received date: 2019-08-12

  Revised date: 2020-08-18

  Online published: 2021-01-21

Abstract

The effects of blending ratios on the properties of EPDM/FEPM were studied by different blending ratio of pre-blended rubber of ethylene propylene diene rubber (EPDM) and tetrapropylene fluorine rubber (FEPM).The results showed that,EPDM/FEPM properties were significantly influenced by the ratio of EPDM/FEPM.Compression permanent deformation of vulcanizate was smallest,and comprehensive properties of EPDM/FEPM reached optimum when the blending ratio of EPDM and FEPM was 80/20(weight ratio)When the blending ratio of EPDM and FEPM was higher than 70/30,the EPDM/FEPM was a homogeneous system.When the blending ratio was lower than 70/30,the rubber of EPDM/FEPM was a heterogeneous system.Influence of the blending ratio on the hardness and bulk modulus of vulcanizate was minimum,but the modulus of elasticity,as well as the constant tensile stress of EPDM/FEPM were greatly increased.

Cite this article

Feng Hongfu . Influence of blending ratio on the propertiy of EPDM/FEPM[J]. New Chemical Materials, 2020 , 48(12) : 150 -153 . DOI: 10.19817/j.cnki.issn 1006-3536.2020.12.036

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