Abstract

Styrene butadiene rubber (SBR)/clay/carbon black (CB) nanocomposites filled with 60 phr filler (in total) were prepared by adding CB to SBR/clay nanocompound in a two-roll mill. TEM photographs of the nanocomposites showed that both fillers were dispersed randomly in the SBR matrix at nano-scale. With the increase of CB content, stress at 300% strain and tensile strength of the nanocomposites increased, while elongation at break and permanent set of the nanocomposites decreased. On the other hand, with the increase of clay content, the aging resistance of the SBR nanocomposites was improved.

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