Rational design of multifunctional properties for styrene-butadiene rubber reinforced by modified Kevlar nanofibers

被引：47
作者：
Chen, Yang [1 ]
Yin, Qing [1 ]
Zhang, Xumin [1 ]
Zhang, Wanqi [1 ]
Jia, Hongbing [1 ]
Ji, Qingmin [2 ]
Yang, Fufeng [3 ]
Rui, Xiaoting [3 ]
机构：
[1] Nanjing Univ Sci & Technol, Minist Educ, Key Lab Soft Chem & Funct Mat, Nanjing 210094, Jiangsu, Peoples R China
[2] Nanjing Univ Sci & Technol, Herbert Gleiter Inst Nanosci, Nanjing 210094, Jiangsu, Peoples R China
[3] Nanjing Univ Sci & Technol, Inst Launch Dynam, Nanjing 21094, Jiangsu, Peoples R China
来源：
COMPOSITES PART B-ENGINEERING | 2019年 / 166卷
关键词：
Polymer-matrix composites (PMCs); Modified Kevlar nanofibers (m-KNFs); Mechanical properties; Thermal properties; GRAPHENE OXIDE; MECHANICAL-PROPERTIES; CARBON NANOTUBES; NANOCOMPOSITES; COMPOSITES; NANOSHEETS; SBR;
D O I：
10.1016/j.compositesb.2018.11.132
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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.
引用
收藏
页码：196 / 203
页数：8
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