Enhancing interfacial and mechanical properties of NR/montmorillonite composites using butadiene-styrene-vinylpyridine rubber as compatilizer
文献类型： 外文期刊
第一作者： Xu, Tiwen
作者： Xu, Tiwen;Li, Kai;Ban, Jianfeng;Wu, Dang;Shi, Bo;Wang, Yueqiong;Chen, Yongjun
作者机构：
关键词： Polymer-matrix composites (PMCs); Mechanical properties; Interface/interphase; Microstructural analysis
期刊名称：MATERIALS CHEMISTRY AND PHYSICS （ 影响因子：4.094； 五年影响因子：3.538 ）
ISSN： 0254-0584
年卷期： 2019 年 231 卷
页码：
收录情况： SCI
摘要： The montmorillonite (MMT) functionalized by butadiene-styrene-vinylpyridine rubber (VPR) latex was prepared in aqueous solution. Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) confirmed the interactions between MMT layer and VPR to be hydrogen bond and electrovalent bond. Then, influences of VPR on the structure and properties of NR/MMT composites were investigated through swelling property representation, dynamical mechanic analysis (DMA), scanning electron microscopy (SEM) and transmission electron microscope (TEM). The results indicated the exfoliation or dispersion of MMT in NR matrix was improved significantly by adding VPR, as well as the enhanced constrained regions and rubber-filler interaction. Finally, the mechanical properties as tensile stress, tear strength of composites were promoted by 45.2%, 51.6% respectively at 8 wt% VPR loading compared to unfunctionalized composite, where the tan delta at 60 degrees C was decreased by 42.7% simultaneously that is beneficial to the development of low rolling resistance tyre.
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