Green synthesis of reduced graphene oxide and its reinforcing effect on natural rubber composites

被引：20
作者：
Wu, L. [1 ]
Qu, P. [2 ]
Zhou, R. [2 ]
Wang, B. [2 ]
Liao, S. [2 ]
机构：
[1] Hainan Univ, Coll Agr, Haikou, Peoples R China
[2] Hainan Univ, Coll Mat & Chem Engn, 58 Renmin Ave, Haikou 570228, Hainan Province, Peoples R China
来源：
HIGH PERFORMANCE POLYMERS | 2015年 / 27卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Reinforcement; reduced graphene oxide; natural rubber; mechanical properties; CARBON NANOTUBES; THERMAL-CONDUCTIVITY; CHEMICAL-REDUCTION; GRAPHITE OXIDE; FILMS; NANOSHEETS; MECHANISM; SHEETS;
D O I：
10.1177/0954008314555530
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A green and facile approach to produce graphene using an environmentally friendly reagent, namely proanthocyanidin (PC) as a reducing agent was developed. The obtained graphene (PC-rGO) was characterized using Fourier transform infrared spectroscopy, X-ray diffraction, thermogravimetric analysis and X-ray photoelectron spectroscopy, confirming the effective reduction of GO. With the incorporation of PC-rGO into natural rubber (NR) latex, NR/PC-rGO composites were then prepared by an ultrasonically assisted latex mixing and the co-coagulation. The results show that PC-rGO presents a good dispersion and exfoliation in the NR matrix, contributing to an increase in the mechanical performance. Compared with neat NR, the tensile strength, modulus at 300%, and tear strength for NR composites containing 0.9 phr PC-rGO were increased by 50.2%, 154.9% and 65.2%, respectively. With increasing PC-rGO loading, cross-link density and storage modulus of NR composites increase because of the formation of cross-link points and physical interaction between PC-rGO and the matrix.
引用
收藏
页码：486 / 496
页数：11
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