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Influence of Poly(vinyl chloride) on Natural Rubber/Chlorosulfonated Polyethylene Blends

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DOI: 10.4236/ojopm.2013.34013    3,330 Downloads   6,501 Views   Citations

ABSTRACT

Blend of natural rubber (NR) and chlorosulfonated polyethylene (CSM) was so interesting due to binding of the good oil resistance of CSM, the good mechanical properties and low cost of NR. However, due to the different polarities of two rubbers, phase separation and inferior properties of NR/CSM blend were obtained. The practical way to improve its properties is the addition of the third component to bind both phases of the blend. Effects of poly(vinyl chloride), PVC as compatibilizer on cure characteristics, morphology, mechanical properties and automotive fuel resistance of NR/ CSM blend were investigated. In this contribution, NR/CSM blend with blend ratio of 50/50 was prepared using a two-roll mill, and then vulcanized in a compression mold at 160°C. The PVC content was varied from 1 to 7 phr. It was found that the usage of 7 phr PVC led to improve interaction between NR and CSM phases. Therefore, increase in cure characteristics, mechanical strength and automotive fuel resistance of the blend was observed.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

M. Phiriyawirut and S. Luamlam, "Influence of Poly(vinyl chloride) on Natural Rubber/Chlorosulfonated Polyethylene Blends," Open Journal of Organic Polymer Materials, Vol. 3 No. 4, 2013, pp. 81-86. doi: 10.4236/ojopm.2013.34013.

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