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首页> 外文期刊>Journal of Applied Polymer Science >Construction of electrostatic and pi-pi interaction to enhance interfacial adhesion between carbon nanoparticles and polymer matrix
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Construction of electrostatic and pi-pi interaction to enhance interfacial adhesion between carbon nanoparticles and polymer matrix

机译：静电和PI-PI相互作用的构建，提高碳纳米粒子与聚合物基质的界面粘附

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摘要

In this study, an efficient method by constructing electrostatic and pi-pi interaction to enhance interfacial adhesion of nanocomposites was contrived. As commercial products and commonly used reinforcements, carbon nanotubes (CNTs) and graphene oxide (GO) were selected as fillers. Two kinds of interactions between carbon nanoparticles and polymer matrix were constructed by adding auxiliary comonomers (ACMs) into nanocomposites, in which one was the electrostatic interaction between quaternary ammonium cationic groups on ACMs as well as oxygen-containing groups of carbon nanoparticles, while the other was the pi-pi interaction between benzene rings on ACMs and conjugated structure on nanoparticles. Poly(methyl methacrylate) (PMMA) was chosen as a polymer matrix. It was found that carbon nanoparticles dramatically improved properties of nanocomposites, including thermal and mechanical performances due to the construction of electrostatic and pi-pi interaction on the interface. Compared with PMMA, the tensile strength of CNTs and GO reinforced nanocomposites was improved by 43.1 and 57.5%, respectively. The thermal decomposition temperature of CNTs and GO reinforced nanocomposites was improved by 21 and 23 degrees C, respectively. Interesting and convincing results proved that the construction of multiple interactions can provide a promising method to effectively enhance interfacial adhesion of nanocomposites. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 137, 48633.
机译：在该研究中，通过构建静电和PI-PI相互作用以增强纳米复合材料的界面粘合来实现高效的方法。作为商业产品和常用的增强，选择碳纳米管（CNT）和石墨烯（GO）作为填料。通过将辅助共聚单体（ACMS）加入纳米复合材料中，构建两种碳纳米粒子和聚合物基质的相互作用，其中一个是ACMS上季铵阳离子基团的静电相互作用以及含氧碳纳米粒子，而另一个是苯二胶环之间的苯并环与纳米颗粒上的共轭结构之间的相互作用。选择聚（甲基丙烯酸甲酯）（PMMA）作为聚合物基质。发现碳纳米颗粒显着改善了纳米复合材料的性质，包括由于界面上的静电和PI-PI相互作用的构建而导致的热和机械性能。与PMMA相比，CNT和延长纳米复合材料的拉伸强度分别得到43.1和57.5％。 CNT和去增强纳米复合材料的热分解温度分别提高21和23℃。有趣和令人信服的结果证明，多种相互作用的构建可以提供有希望的方法，以有效提高纳米复合材料的界面粘附。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,137,48633。

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