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首页> 外文期刊>Journal of Applied Polymer Science >Exploring the filler-polymer interaction and solvent transport behavior of nanocomposites derived from reduced graphene oxide and polychloroprene rubber
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Exploring the filler-polymer interaction and solvent transport behavior of nanocomposites derived from reduced graphene oxide and polychloroprene rubber

机译：探索衍生自石墨烯氧化物和聚氯丁二烯橡胶的纳米复合材料的填充聚合物相互作用和溶剂传输行为

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摘要

Aliphatic solvent resistance of polychloroprene rubber (CR) reinforced reduced graphene oxide (RGO) nanocomposites were explored in the temperature range of 30-50 degrees C using hexane, heptane, and octane. Microstructure-assisted solvent resistant property is evident from transmission electron microscopy images of fabricated composites. Different transport parameters such as diffusion, permeation, and sorption constants were moderate while increasing RGO content. Diffusion mechanism was explained based on the permeating molecule and is found to be close to Fickian mechanism except for heptane. Evaluation of kinetic and thermodynamic parameters shows the ability of nanoreinforcement to alter thermodynamic characteristics and rate constant values. The extent of reinforcement was also evaluated by Kraus equation. From swelling studies, molecular mass between crosslinks was evaluated using Flory-Rehner equation and compared these values with theoretical predictions such as phantom and affine models to analyze the deformation and mobility of the network during swelling. Temperature plays a significant role in the transport of organic solvent through CR/RGO nanocomposites. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 48168.
机译：使用己烷，庚烷和辛烷值在30-50℃的温度范围内探讨了聚氯丁二烯橡胶（Cr）增强的石墨烯（RGO）纳米复合材料的脂族耐溶剂性。从制造复合材料的透射电子显微镜图像明显明显是微观结构辅助耐药性。不同的运输参数，例如扩散，渗透和吸附常数在增加Rgo含量的同时是中等的。基于渗透分子解释扩散机制，发现除了庚烷外接近Fickian机制。动力学和热力学参数的评估显示了纳米导油改变热力学特性和速率恒定值的能力。克劳勒方程还评估了增强程度。通过肿胀研究，使用血液再葫芦方程评估交联之间的分子量，并将这些值与诸如幻像和仿射模型的理论预测进行比较，以分析膨胀过程​​中网络的变形和移动性。温度在通过Cr / Rgo纳米复合材料中在有机溶剂的运输中起着重要作用。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,136,48168。

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