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Self-crosslinkable epoxidized natural rubber-silica hybrids

文献类型: 外文期刊

作者: Xu, Tiwen 1 ; Jia, Zhixin 1 ; Wang, Song 1 ; Chen, Yongjun 1 ; Luo, Yuanfang 1 ; Jia, Demin 1 ; Peng, Zheng 2 ;

作者机构: 1.South China Univ Technol, Coll Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China

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

关键词: mechanical properties;structure-property relationships;surfaces and interfaces

期刊名称:JOURNAL OF APPLIED POLYMER SCIENCE ( 影响因子:3.125; 五年影响因子:2.754 )

ISSN: 0021-8995

年卷期: 2017 年 134 卷 14 期

页码:

收录情况: SCI

摘要: Epoxidized natural rubber (ENR)-silica hybrids without any other additives were prepared by an open-mill mixing method at room temperature. The curing characteristics, crosslinking density, mechanical properties, and dynamical mechanical properties were investigated. The results indicate that the ENR-silica hybrid materials could be cured with silica as a crosslinking and reinforcing agent. Attenuated total reflection-Fourier transform infrared spectroscopy and solid-state C-13-NMR spectroscopy exposed the characteristics of the interfacial interaction in the hybrids and confirmed the existence of chemical bonds and hydrogen bonds between the epoxy group and Si-OH. Scanning electron microscopy illustrated a good dispersion of silica in the ENR matrix. Meanwhile, the modulus at 100% elongation of the hybrid reached 9.64 MPa when 100-phr silica was loaded; a similar trend was observed for the hardness. Finally, our findings might extend the concept of rubber curing and open a new space for making an environmentally friendly rubber composite. (C) 2016 Wiley Periodicals, Inc.

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