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Vol. 26 No. 17 (2014): Vol 26 Issue 17

Copyright (c) 2014 AJC

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Effect of Starch Nanocrystal on the Properties of Carbon Black-Natural Rubber Composites

https://doi.org/10.14233/ajchem.2014.18145
Y.J.S. Gao
College of Materials and Chemical Engineering, Hainan University, Haikou 570228, P.R. China ; Hainan Engineering Research Center of Advanced National Rubber Composite Materials, Haikou 570228, P.R. China
L. Fang
College of Materials and Chemical Engineering, Hainan University, Haikou 570228, P.R. China ; Hainan Engineering Research Center of Advanced National Rubber Composite Materials, Haikou 570228, P.R. China
S.D. Li
College of Science, Guangdong Ocean University, Zhanjiang 524088, P.R. China
L.F. Li
College of Materials and Chemical Engineering, Hainan University, Haikou 570228, P.R. China ; Hainan Engineering Research Center of Advanced National Rubber Composite Materials, Haikou 570228, P.R. China
S.Q. Liao
College of Materials and Chemical Engineering, Hainan University, Haikou 570228, P.R. China ; Hainan Engineering Research Center of Advanced National Rubber Composite Materials, Haikou 570228, P.R. China
Z.F. Wang
College of Materials and Chemical Engineering, Hainan University, Haikou 570228, P.R. China ; Hainan Engineering Research Center of Advanced National Rubber Composite Materials, Haikou 570228, P.R. China

Corresponding Author(s) : S.Q. Liao

lsqhnu@hainu.edu.cn

Asian Journal of Chemistry, Vol. 26 No. 17 (2014): Vol 26 Issue 17

Abstract

Starch nanocrystals (SNC) is the representative of a new class of fillers. In our work SNC were prepared by acidolysis. The starch nanocrystal-carbon black-natural rubber (SNC/CB/NR) composites were obtained by blending CB/NR master batch with SNC/NR master batch in the open mill. The effectof SNC on the properties of CB/NR composites was investigated. The results showed that mechanical properties decreased with the increasing content of the SNC. The abrasion surface was observed by scanning electron microscopy and the abrasion surface of samples were much rougher. Thermal analysis presented that the glass transition temperature and the endothermal peak decreased gradually with the increment of SNC and the thermal degradation reaction of SNC/CB/NR composites was two-step reaction. The curves of G' and tan d versus strain of vulcanization were presented by rubber process analyzer, respectively. Dynamic mechanical thermal analysis showed that the loss factor at 0 ºC, SNC increased and decreased at 60-80 ºC by adding SNC.

Keywords

Starch nanocrystal Composites Mechanical properties Viscoelastic properties
Gao, Y., Fang, L., Li, S., Li, L., Liao, S., & Wang, Z. (2014). Effect of Starch Nanocrystal on the Properties of Carbon Black-Natural Rubber Composites. Asian Journal of Chemistry, 26(17), 5513–5516. https://doi.org/10.14233/ajchem.2014.18145
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