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首页> 外文期刊>Polymer Composites >In-situ modification of nanodiamonds by mercapto-terminated silane agent for enhancing the mechanical interfacial properties of nitrile butadiene rubber nanocomposites
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In-situ modification of nanodiamonds by mercapto-terminated silane agent for enhancing the mechanical interfacial properties of nitrile butadiene rubber nanocomposites

机译：用巯基封端硅烷试剂的纳米胺的原位改性，用于提高丁腈丁烯纳米复合材料的机械界面性能

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摘要

(3-Mercaptopropyl)trimethoxysilane (MPTMS)-ethanol-solution-treated nitrile butadiene rubber/nanodiamond (NBR/ND) polymer-matrix nanocomposites were prefabricated in situ using a facile environmentally friendly one-pot design. The MPTMS-modified ND (MND) and pristine ND were characterized using wide-angle X-ray diffraction, Fourier-transform infrared spectroscopy, transmission electron microscopy, N-2 adsorption analysis, thermal gravimetric analysis, and X-ray photoelectron spectroscopy. The pristine ND exhibited a high specific surface area and abundant active organic groups, especially hydroxyl and carboxyl groups, thus confirming its hydrophilic properties. The successful fabrication of surface-modified MND was also verified. The fracture surface morphologies of the NBR/MND nanocomposites were analyzed using high-resolution scanning electron microscopy and field-emission transmission electron microscopy, and the dynamic rheological properties of the NBR/MND nanocomposites were characterized using a rubber processing analyzer. The NBR/MND composites exhibited superior mechanical properties, which were attributed to the strong interfacial interaction of the MND particles with the NBR matrix via MPTMS linking. POLYM. COMPOS., 39:3472-3481, 2018. (c) 2017 Society of Plastics Engineers
机译：（3-巯基丙基）三甲氧基硅烷（MPTMS） - 乙醇溶液处理的丁腈丁烯橡胶/纳米二胺（NBR / ND）聚合物 - 基质纳米复合材料原位预制，使用宽敞的环保单盆设计原位。使用宽角X射线衍射，傅里叶变换红外光谱，透射电子显微镜，N-2吸附分析，热重分析和X射线光电子能谱，表征了MPTMS改性的Nd（MND）和原始Nd。原始Nd表现出高比表面积和丰富的活性有机基团，尤其是羟基和羧基，因此证实其亲水性。还验证了表面改性的MND的成功制造。使用高分辨率扫描电子显微镜和现场 - 发射透射电子显微镜分析NBR / MND纳米复合材料的断裂表面形态，使用橡胶加工分析仪表征NBR / MND纳米复合材料的动态流变性能​​。 NBR / MND复合材料表现出优异的机械性能，其归因于MND颗粒与NBR基质的强界面相互作用通过MPTMS连接。聚合物。 Compos。，39：3472-3481,2018。（c）2017塑料工程师协会

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