Synergetic effect of epoxy resin and maleic anhydride grafted polypropylene on improving mechanical properties of polypropylene/short carbon fiber composites

被引：56

作者：

Li, Minggang ^{[1
]}

Wen, Xin ^{[1
]}

Liu, Jie ^{[1
]}

Tang, Tao ^{[1
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 2014年 / 67卷

基金：

中国国家自然科学基金;

关键词：

Carbon fibers; Polymer-matrix composites (PMCs); Mechanical properties; REINFORCED POLYPROPYLENE; THERMOMECHANICAL PROPERTIES; MALEATED POLYPROPYLENE; POLYMER NANOCOMPOSITES; TENSILE PROPERTIES; BLENDS; SPECTROSCOPY; NANOTUBES; CELLULOSE; BEHAVIOR;

D O I：

10.1016/j.compositesa.2014.09.001

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The influence of epoxy resin (EP) and maleic anhydride grafted polypropylene (PPMA) on mechanical properties of polypropylene/short carbon fiber (PP/SCF) composites was studied. The combination between EP and PPMA showed a synergistic effect on improving the mechanical properties of PP/SCF composites, including tension, flexural and notched impact properties. The synergistic mechanism was studied by means of SEM observation, FTIR analysis, extraction test and rheological measurement. The results showed that the synergistic mechanism was attributed to the improved network structure of SCF in PP matrix assisted by EP and PPMA. EP adsorbed onto the surface of SCF reacted with PPMA to form an enhanced interfacial interaction between PP and SCF, meanwhile the crossover sites of adjacent SCFs were locked by the cured EP component to form a strong network. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：212 / 220

页数：9

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