Properties and Mechanism Research on Polybutadiene Styrene Rubber (SBR) Composites Containing Nano-BaSO4

Abstract

Nano-BaSO₄ was treated with surface modification agents and was mixed with different contents into the matrix of polybutadiene styrene rubber (SBR) to obtain composites. The cure characteristics, tensile and wear resistance properties of different nano-BaSO₄ filled SBR composites were studied using scanning electron microscopy (SEM) and the mechanism was analyzed. Experimental results demonstrated that the incorporation of 2 phr 2%-SA modified nano-BaSO₄ powder into neat SBR system can decrease the abrasion loss from 0.160 cm³ to 0.115 cm³, a decrease of about 28%.

Keywords

nano-barium sulfate polybutadiene styrene rubber properties mechanism.

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