MORPHOLOGY, CRYSTALLIZATION AND MECHANICAL PROPERTIES OF POLY（ε-CAPROLACTONE）/GRAPHENE OXIDE NANOCOMPOSITES

A series of nanocomposites based on poly（ε-caprolactone） （PCL） and graphene oxide （GO） were prepared by in situ polymerization. Scanning electron microscopy observation revealed not only a well dispersion of GO but also a strong interfacial interaction between GO and the PCL matrix, as evidenced by...

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Published in:高分子科学：英文版 2013 (8), p.1148-1160
Main Author: Guang-shuo Wang Zhi-yong Wei Lin Sang Guang-yi Chen Wan-xi Zhang Xu-feng Dong Min Qi
Format: Article
Language:English
Subjects:
力学性能
己内酯
形态
晶体结构
氧化石墨
电子显微镜观察
纳米复合材料
结晶行为
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description A series of nanocomposites based on poly（ε-caprolactone） （PCL） and graphene oxide （GO） were prepared by in situ polymerization. Scanning electron microscopy observation revealed not only a well dispersion of GO but also a strong interfacial interaction between GO and the PCL matrix, as evidenced by the presence of some GO nanosheets embedded in the matrix. Effects of GO nanofillers on the crystal structure, crystallization behavior and spherulitic morphology of the PCL matrix were investigated in detail. The results showed that the crystallization temperature of PCL enhanced significantly due to the presence of GO in the nanocomposites, however, the addition of GO did not affect the crystal structure greatly. Thermal stability of PCL remarkably increased with the addition of GO nanosheets, compared with that of pure PCL. Incorporation of GO greatly improved the tensile strength and Young＇s modulus of PCL without a significant loss of the elongation at break.
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subjects 力学性能
己内酯
形态
晶体结构
氧化石墨
电子显微镜观察
纳米复合材料
结晶行为
title MORPHOLOGY, CRYSTALLIZATION AND MECHANICAL PROPERTIES OF POLY（ε-CAPROLACTONE）/GRAPHENE OXIDE NANOCOMPOSITES
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