Simultaneous functionalization and reduction of graphene oxide with polyetheramine and its electrically conductive epoxy nanocomposites

被引：27
|
作者：
Tang, Gongqing [1 ]
Jiang, Zhi-Guo [1 ]
Li, Xiaofeng [1 ]
Zhang, Hao-Bin [1 ]
Yu, Zhong-Zhen [1 ,2 ]
机构：
[1] Beijing Univ Chem Technol, Dept Polymer Engn, Coll Mat Sci & Engn, State Key Lab Organ Inorgan Composites, Beijing 100029, Peoples R China
[2] Beijing Univ Chem Technol, Beijing Key Lab Preparat & Proc Novel Polymer Mat, Beijing 100029, Peoples R China
来源：
CHINESE JOURNAL OF POLYMER SCIENCE | 2014年 / 32卷 / 08期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
Graphene oxide; Epoxy; Chemical reduction; Electrical conductivity; Glass transition temperature; GRAPHITE OXIDE; POLYMER NANOCOMPOSITES; MECHANICAL-PROPERTIES; SOLUBLE GRAPHENE; FACILE SYNTHESIS; COMPOSITE FILMS; NANOSHEETS; SHEETS; CRYSTALLIZATION; PLATELETS;
D O I：
10.1007/s10118-014-1488-8
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Simultaneous functionalization and reduction of graphene oxide (GO) is realized by refluxing of GO suspension with polyetheramine (D2000) followed by thermal treatment at 120 A degrees C. Compared to GO, the D2000-treated GO (GO-D2000) becomes hydrophobic, thermally stable and highly conductive with an electrical conductivity of 11 S/m, which is almost 8 orders of magnitude higher than that of GO. Due to the high conductivity and improved dispersion of GO-D2000, its epoxy nanocomposites exhibit a sharp transition from electrically insulating to conducting with a low percolation threshold of 0.71 vol%. With 3.6 wt% GO-D2000, the glass transition temperature of the epoxy nanocomposite is 27 K higher than that of neat epoxy.
引用
收藏
页码：975 / 985
页数：11
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