期刊
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
卷 64, 期 -, 页码 139-146出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2014.05.008
关键词
Polymer matrix composites (PMCs); Interface; Mechanical properties; Thermal properties
资金
- Major State Basic Research Development Program of China (973 Program) [2010CB631105]
- Natural Science Foundation of China [51103108, 11172212]
- Fund of State Key Laboratory of Molecular Engineering of Polymers (Fudan University)
- Fundamental Research Funds for the Central Universities
Short ramie fiber reinforced poly(lactic acid) (PLA) composites without and with maleic anhydride (MA) were developed. The influence of PLA-g-MA as a compatibilizer on the properties of the composites was studied. The tensile, flexural and impact strength of the composites have improvements with the addition of PLA-g-MA. The morphology of fracture surface evaluated by SEM indicates that the composites with the addition of PLA-g-MA can get better adhesion between the fiber and the matrix. And the Vicat softening temperature and the degradation temperature of the composites are increased with the addition of PLA-g-MA. However, PLA-g-MA leads the glass transition temperature (T-g) decrease according to the DSC results. (C) 2014 Elsevier Ltd. All rights reserved.
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