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

被引：18
作者：
Sanchez-Hidalgo, R. [1 ,2 ]
Yuste-Sanchez, V. [2 ]
Verdejo, R. [2 ]
Blanco, C. [1 ]
Lopez-Manchado, M. A. [2 ]
Menendez, R. [1 ]
机构：
[1] INCAR CSIC, Inst Nacl Carbon, Apartado 73, Oviedo 33080, Spain
[2] ICTP CSIC, Inst Ciencia & Tecnol Pollmeros, C Juan de la Clerva 3, Madrid 28006, Spain
来源：
EUROPEAN POLYMER JOURNAL | 2018年 / 101卷
关键词：
Graphene; Epoxy; Transport properties; Polymer nanocomposites; THERMAL-CONDUCTIVITY; MECHANICAL-PROPERTIES; CARBON NANOTUBES; OXIDE-FILMS; PHYSICAL-PROPERTIES; GRAPHITE; REDUCTION; POLYMER; MORPHOLOGY; SIZE;
D O I：
10.1016/j.eurpolymJ.2018.02.018
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
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.
引用
收藏
页码：56 / 65
页数：10
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