Main structural features of graphene materials controlling the transport properties of epoxy resin-based composites

被引：0
|
作者：
Sánchez-Hidalgo R. [1 ,2 ]
Yuste-Sanchez V. [2 ]
Verdejo R. [2 ]
Blanco C. [1 ]
Lopez-Manchado M.A. [2 ]
Menéndez R. [1 ]
机构：
[1] Instituto Nacional del Carbón, INCAR-CSIC, Apartado 73, Oviedo
[2] Instituto de Ciencia y Tecnología de Polímeros, ICTP-CSIC, C/Juan de la Cierva 3, Madrid
来源：
European Polymer Journal | 2018年 / 101卷
关键词：
Epoxy; Graphene; Polymer nanocomposites; Transport properties;
D O I：
10.1016/j.eurpolymj.2018.02.018
中图分类号：
学科分类号：
摘要：
Graphene materials (GMs) are deeply studied as nanoreinforcements of polymer matrices, especially for epoxy matrices. Here, we analyze the effect of GMs on the transport properties of a poly(bisphenol A-co-epichlorohydrin) resin. In particular, we focus on the effect of the morphology, chemical composition and structure of different GMs obtained by varying the reduction temperature of the thermal/exfoliation treatment of graphite oxide synthesized by a modified Hummers method. The dispersion degree of the GMs was studied by microscopy techniques, showing a strong dependence on the specific surface area and chemical composition of the graphene material. The transport properties imposed different requirements on GMs. The thermal conductivity benefited from a high aromatic restoration. Meanwhile, the electrical conductivity required the right balance of filler/matrix interaction and aromatic restoration. © 2018 Elsevier Ltd
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页码：56 / 65
页数：9
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