Noncovalent Method for Improving the Interaction between Reduced Graphene Oxide and Poly(ε-caprolactone)

被引：24
作者：
Wang, Bingjie [1 ]
Zhang, Yujie [1 ]
Zhang, Jianqiang [1 ]
Li, Huyan [1 ]
Chen, Peng [1 ]
Wang, Zongbao [2 ]
Gu, Qun [1 ]
机构：
[1] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo Key Lab Polymer Mat, Ningbo 315201, Zhejiang, Peoples R China
[2] Ningbo Univ, Fac Mat Sci & Chem Engn, Ningbo 315211, Zhejiang, Peoples R China
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2013年 / 52卷 / 45期
基金：
美国国家科学基金会;
关键词：
MECHANICAL-PROPERTIES; CRYSTALLIZATION KINETICS; SEMICRYSTALLINE POLYMERS; GRAPHITE OXIDE; NANOCOMPOSITES; FUNCTIONALIZATION; COMPOSITES; MORPHOLOGY; COVALENT; BEHAVIOR;
D O I：
10.1021/ie402062j
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Epitaxial crystallization of poly(e-caprolactone) (PCL) on reduced graphene oxide (RGO) was investigated by melt and solution crystallization. RGO and graphene oxide (GO) provided an opportunity to investigate the influence of surface functional groups on epitaxial crystallization with lattice matching. After annealing treatment, PCL/RGO composites showed an extra melting peak, which implied that epitaxial crystallization of PCL on RGO could form thicker lamellae. An analogous procedure of solution crystallization was used to confirm the epitaxy morphology and orientation of polymer chains. The results showed that PCL chains existed along the (2110) direction of the RGO (0001) plane forming edge-on lamellae, which implied strong interaction between PCL crystals and the RGO surface. Tensile test results showed that the yield strength and Young's modulus of PCL/RGO composites with epitaxial interaction were improved by about 34.2 and 53.2%, respectively, compared with neat PCL.
引用
收藏
页码：15824 / 15828
页数：5
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