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首页> 外文期刊>Proceedings of the Institution of Mechanical Engineers. Part L, Journal of Materials: Design and Application >Effect of cation-exchange bentonite on properties of acrylonitrile-butadiene rubber composites
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Effect of cation-exchange bentonite on properties of acrylonitrile-butadiene rubber composites

机译：阳离子交换膨润土对丙烯腈-丁二烯橡胶复合材料性能的影响

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摘要

The present work focuses on exchanging the sodium in Na-bentonite by single (Mg, Zn and Sr) and double (Zn-Mg, Mg-Sr and Zn-Sr) cations to induce the cation-exchange process. Different cation-exchange bentonites (CEBs) were used as reinforcing fillers with different loadings in acrylonitrile-butadiene rubber (NBR) composites. Curing characteristics, mechanical properties, morphology and swelling behaviour were determined. The study revealed that the performances of Mg bentonite and Mg-Sr bentonite were the best among the tested groups, while Sr bentonite showed the least performance, indicating that addition of Mg deteriorates the reinforcing efficiency of Sr. Moreover, it was observed that the preparation of some CEBs co-intercalated with a surfactant (cetyl trimethyl ammonium bromide (CTAB)) using cation-exchange process was done, and in this part there was a focus on the effect of CTAB surfactant content ratio (0.5CEC) on the CEBs and their influence on the properties of NBR composites.
机译：目前的工作集中在钠膨润土中钠的交换（单次（Mg，Zn和Sr）和双次（Zn-Mg，Mg-Sr和Zn-Sr）），以诱导阳离子交换过程。在丙烯腈-丁二烯橡胶（NBR）复合材料中，不同的阳离子交换膨润土（CEB）被用作具有不同负载量的增强填料。测定固化特性，机械性能，形态和溶胀行为。研究表明，在试验组中，Mg膨润土和Mg-Sr膨润土的性能最好，而Sr膨润土的性能最差，表明添加Mg会降低Sr的增强效率。使用阳离子交换工艺完成了一些与表面活性剂（十六烷基三甲基溴化铵（CTAB））共嵌入的CEB的制备，在这一部分中，重点研究了CTAB表面活性剂含量比（0.5CEC）对CEB的影响。它们对NBR复合材料性能的影响。

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