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- W774274297 abstract "ABSTRACT ：The effects of chopped kenaf fiber concentration on mechanical property of polypropylene (PP) compositeare investigated. The addition of kenaf increased the tensile strength, flexural modulus, impact strength, specific gravity,and HDT, while decreased the elongation%, flexural strength, and melt flow index. The increase of mechanical properties is due to increased surface area contacting between fiber and polymer matrix and fiber-fiber interaction. Volatile extractivesin the kenaf seemed to decrease the interfacial adhesion between kenaf surface and PP.요 약：일정한 길이로 분쇄한 케냐프섬유를 일정한 비율로 PP수지에 복합화하여 섬유의 함량에 따른 기계적특성을조사하였다. 케냐프 섬유의 함량이 증가할수록 인장강도, 굴곡탄성률, 충격강도, 비중, 열변형온도가 증가하는 경향을나타내었으나 신장률, 굴곡강도, 용융유동지수는 감소하는 경향을 나타내었다. 기계적물성증가의 원인은 섬유와 PP간의 계면접촉면적의 증가와 섬유간의 연결간섭으로 고찰되었다. 케냐프섬유내에 존재하는 증발성추출물질이 PP와 의 계면접착에 있어서 감소에 영향을 미치는 것으로 고려된다. Keywords ： wood plastic composites, chopped kenaf fiber, PP, mechanical properties, volatile extractives † Corresponding Author. E-mail: kkim@uakron.edu" @default.
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- W774274297 date "2011-01-01" @default.
- W774274297 modified "2023-09-23" @default.
- W774274297 title "Concentration Effects on Improved Mechanical Properties of Chopped Kenaf Fiber Filled Polypropylene Composite" @default.
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- W774274297 doi "https://doi.org/10.7473/ec.2011.46.2.125" @default.
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