Facile preparation, characterization and performance of noncovalently functionalized graphene/epoxy nanocomposites with poly(sodium 4-styrenesulfonate)

被引：58
|
作者：
Li, Yuchao [1 ,2 ,3 ,4 ]
Tang, Jianguo [1 ,2 ]
Huang, Linjun [1 ,2 ]
Wang, Yao [1 ,2 ]
Liu, Jixian [1 ,2 ]
Ge, Xiangcai [3 ]
Tjong, Sie Chin [4 ]
Li, Robert Kwok Yiu [4 ]
Belfiore, Laurence A. [1 ,2 ,5 ]
机构：
[1] Qingdao Univ, Natl Base Int Sci & Technol Cooperat Hybrid Mat, Dept Chem & Environm, Qingdao 266071, Peoples R China
[2] Qingdao Univ, Inst Hybrid Mat, Qingdao 266071, Peoples R China
[3] Liaocheng Univ, Dept Mat Sci & Engn, Liaocheng 252059, Shandong, Peoples R China
[4] City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon, Hong Kong, Peoples R China
[5] Colorado State Univ, Dept Chem & Biol Engn, Ft Collins, CO 80523 USA
来源：
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2015年 / 68卷
关键词：
Polymer-matrix composites (PMCs); Mechanical properties; Electrical properties; MECHANICAL-PROPERTIES; OXIDE; GRAPHITE; NANOSHEETS; REDUCTION; POLYPROPYLENE; CONDUCTIVITY; DISPERSIONS; EXFOLIATION; PERCOLATION;
D O I：
10.1016/j.compositesa.2014.09.016
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Graphene was noncovalently functionalized with poly(sodium 4-styrenesulfonate) (PSS) and then successfully incorporated into the epoxy resin via in situ polymerization to form functional and structural nanocomposites. The morphology and structure of PSS modified graphene (PSS-g) were characterized with transmission electron microscopy, X-ray photoelectron spectroscopy and Fourier transform infrared spectroscopy. The effects of PSS-g additions on tensile, electrical and thermal properties of the epoxy/graphene nanocomposites were studied. Noncovalent functionalization improved interfacial bonding between the epoxy matrix and graphene, leading to enhanced tensile strength and modulus of resultant nanocomposites. The PSS-g additions also enhanced electrical properties of the epoxy/PSS-g nanocomposites, resulting in a lower percolation threshold of 1.2 wt%. Thermogravimetric and differential scanning calorimetric results showed the occurrence of a two-step decomposition process for the epoxy/PSS-g nanocomposites. (C) 2014 Elsevier Ltd. All rights reserved.
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页码：1 / 9
页数：9
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