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The Microscopic Effect of Filler on Rubber Reinforcement: A Coarse-grained Molecular Dynamics Study

Published online by Cambridge University Press:  05 April 2013

Yosuke Kimura  and
Masatoshi Sato
Yosuke Kimura
Affiliation:
Toyota Technical Development Corporation, 2-28-23, Izumi, Higashi-ku, Nagoya, Aichi, 461-0001, Japan.
Masatoshi Sato
Affiliation:
Toyota Technical Development Corporation, 2-28-23, Izumi, Higashi-ku, Nagoya, Aichi, 461-0001, Japan.
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Abstract

In this paper, we developed a microscopic approach to understand rubber reinforcement using coarse-grained molecular dynamics simulations. We investigated static uniaxial tensile behavior of filled and unfilled rubber models, and found two reinforcement mechanisms. One of these is the same as the mechanism predicted by Guth, which depends only on the volume content of fillers. We have confirmed this mechanism at small strain region. The other is caused by filler-filler network created by the advantage of chemical bond at large strain. In this region, some polymers linked fillers and were stretched, that is, these polymers generated tension. Additionally, we investigated the effect of filler distribution on rubber reinforcement.

Keywords

simulationkineticsstress/strain relationship
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1535: Symposium a – Proceedings of the Multiscale Materials Modeling 2012 Conference , 2013 , mmm2012-a-0041
Copyright
Copyright © Materials Research Society 2013 

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References

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