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Vol. 25 No. 9 (2013): Vol 25 Issue 9

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Study on the Dynamic Properties of Nitrile-Butadiene Rubber/Hindered Phenol Mixtures by Molecular Dynamics Simulation

https://doi.org/10.14233/ajchem.2013.F18
Meng Song
State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, P.R. China
Xiuying Zhao
State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, P.R. China
Bo Qiao
State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, P.R. China
Hua Zou
State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, P.R. China
Sizhu Wu
State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, P.R. China

Corresponding Author(s) : Sizhu Wu

wusz@mail.buct.edu.cn

Asian Journal of Chemistry, Vol. 25 No. 9 (2013): Vol 25 Issue 9

Abstract

This paper reports the experimental and molecular simulation results of damping materials composed of nitrile-butadiene rubber (NBR) mixed with different hindered phenol (AO-80) mass ratios. The aim of this study was to determine how these AO-80 small molecules enhanced the damping behaviour of rubber mixtures from a microstructural point of view. Hydrogen bonds were formed between the AO-80 small molecules and nitrile-butadiene rubber polymer chains. Compared to the other ratios, the NBR/AO-80 mixtures with a blending ratio of 100/68 had the highest number of hydrogen bonds, resulting in the maximum loss factor and highest modulus. Possible microscopic mechanisms responsible for the enhanced damping performance of the NBR/AO-80 materials were examined by a molecular simulation.

Keywords

Damping performance Hydrogen bond Molecular simulation Dynamic properties
Song, M., Zhao, X., Qiao, B., Zou, H., & Wu, S. (2013). Study on the Dynamic Properties of Nitrile-Butadiene Rubber/Hindered Phenol Mixtures by Molecular Dynamics Simulation. Asian Journal of Chemistry, 25(9), 5200–5202. https://doi.org/10.14233/ajchem.2013.F18
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