THE MECHANICAL AND ACOUSTIC PROPERTIES OF POLYPROPYLENE COMPOSITES REINFORCED BY VIRGINICA STEM BARK FIBER

Abstract

Abstract: The virginica stem bark fiber was treated by KMnO₄and silane coupling agent KH-570. Then, the polypropylene composites reinforced by untreated and treated virginica stem bark fiber with the content of 30% were prepared. The surface treatment on the microstructure and mechanical properties of the virginica stem bark fiber, and the insulation property and mechanical properties of fiber reinforced polypropylene composite were discussed. The results showed that the microstructure of the fiber was changed after surface treatment, and the mechanical property and acoustic property of the composites were enhanced. The mechanical property and acoustic property of the fiber composite which was treated by the silane coupling agent KH-570 was better than that treated by the KMnO₄.

Key words: virginica stem bark fiber, polypropylene, surface treatment, composite, mechanical property, acoustic property

CLC Number:

TB332

ZHANG Sheng-zhong, ZHAO Lei, LIU Hua, HE Yuan-fang. THE MECHANICAL AND ACOUSTIC PROPERTIES OF POLYPROPYLENE COMPOSITES REINFORCED BY VIRGINICA STEM BARK FIBER[J]. COMPOSITES SCIENCE AND ENGINEERING, 2014, 0(11): 63-66.

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