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Morphology and performance of NR/NBR/ENR ternary rubber composites

文献类型： 外文期刊

作者： Zhao, Xiuying 1 ; Niu, Kaijing 1 ; Xu, Yong 1 ; Peng, Zheng 2 ; Jia, Li 3 ; Hui, David 4 ; Zhang, Liqun 1 ;

作者机构： 1.Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China

2.Chinese Acad Trop Agr Sci, Inst Agr Prod Proc, Zhanjiang 524001, Peoples R China

3.Univ Akron, Dept Polymer Sci, Akron, OH 44325 USA

4.Univ New Orleans, Dept Mech Engn, New Orleans, LA 70148 USA

关键词： Natural rubber;Nitrile butadiene rubber;Epoxidized natural rubber;Ternary composites;Compatibilizer;Tread material

期刊名称：COMPOSITES PART B-ENGINEERING （ 影响因子：9.078； 五年影响因子：8.234 ）

ISSN： 1359-8368

年卷期： 2016 年 107 卷

页码：

收录情况： SCI

摘要： Epoxidized natural rubber (ENR) was used as a compatibilizer to prepare ternary composites with natural rubber (NR) and nitrile butadiene rubber (NBR). The morphological, structural, and mechanical properties of the NR/NBR/ENR ternary composites were systematically investigated by using SEM, AFM, TEM, DSC, DMTA, and tensile testing. The NR matrix was the continuous phase, and NBR was the dispersed phase with a size of several micrometers. ENR reduced the aggregation of the NBR phase and improved the compatibility between NR and NBR. According to the rule of "like dissolves like", with increasing polarity, ENR migrated from the NR matrix and was dispersed into the NBR phase or gathered at the interface between NR and NBR. Compared with pure NR, the ternary composites had a higher tan delta at 0 degrees C and lower tan delta at 60 degrees C, related to the wet grip and rolling resistance of tread materials, respectively. The results also indicated that the prepared NR/NBR/ENR ternary composites exhibited improved tensile strength and tear strength because of the strain-induced crystallization of NR. Therefore, the NR/NBR/ENR ternary composites are promising high-performance tire tread materials. (C) 2016 Elsevier Ltd. All rights reserved.

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