Improvement of Flex-Fatigue Life of Carbon-Black-Filled Styrene-Butadiene Rubber by Addition of Nanodispersed Clay

Authors

  • You-Ping Wu,

    1. Key Laboratory of Beijing City for Preparation and Processing of Novel Polymer Materials, Key Laboratory for Nanomaterials of Ministry of Education; Beijing University of Chemical Technology, Beijing 100029, China
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  • Wei Zhao,

    1. Key Laboratory of Beijing City for Preparation and Processing of Novel Polymer Materials, Key Laboratory for Nanomaterials of Ministry of Education; Beijing University of Chemical Technology, Beijing 100029, China
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  • Li-Qun Zhang

    Corresponding author
    1. Key Laboratory of Beijing City for Preparation and Processing of Novel Polymer Materials, Key Laboratory for Nanomaterials of Ministry of Education; Beijing University of Chemical Technology, Beijing 100029, China
    • Key Laboratory of Beijing City for Preparation and Processing of Novel Polymer Materials, Key Laboratory for Nanomaterials of Ministry of Education; Beijing University of Chemical Technology, Beijing 100029, China. Fax: +86 10 6443 3964
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Abstract

Summary: The flex-fatigue life of carbon-black-filled SBR was dramatically improved by incorporation of 4–5 phr nanodispersed clay. Addition of clay did not decrease the degree of crosslinking of the composite but improved the hysteresis and tearing energy. ESEM observation of the flexing-fracture morphology indicated that nanodispersed clay layers had the advantage over carbon black in that they could blunt the crack.

original image

Effect of the clay amount on the flex fatigue life of the composites.

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