期刊
COMPOSITES PART B-ENGINEERING
卷 166, 期 -, 页码 196-203出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2018.11.132
关键词
Polymer-matrix composites (PMCs); Modified Kevlar nanofibers (m-KNFs); Mechanical properties; Thermal properties
资金
- Aeronautical Science Foundation of China [2016ZF9009]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
In this work, a facile and effective approach is developed to obtain the water-dispersible Kevlar nanofibers (KNFs) by modifying KNFs with the assistance of epichlorohydrin (ECH). And the ECH-modified KNFs (m-KNFs) are firstly utilized to prepare styrene-butadiene rubber (SBR)/m-KNFs nanocomposites through latex co-coagulation method. The multifunctional properties of SBR/m-KNFs nanocomposites are thoroughly investigated. It is confirmed that m-KNFs have strong interactions with SBR via n-Ti stacking, which can generate huge enhancement on the performance of SBR nanocomposites. For example, the tensile strength, tear strength and the maximum decomposition temperature of SBR filled with 7 phr (parts per hundred rubber) m-KNFs are increased by 576%, 202% and 13.1 degrees C, respectively, compared with those of neat SBR. Meanwhile, the presence of m-KNFs has also improved the dielectric constant of SBR nanocomposites. This work provides a new insight into the fabrication of multifunctional KNFs-based rubber composites.
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