Characterization of Correlation between Microstructure and Fracture Properties of Poly(lactic acid) Polymer Blends
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概要
- 論文の詳細を見る
Lysine tri-isocyanate (LTI) was added to a biodegradable polymer blend of poly(lactic acid) (PLA) and poly (ε-caprolacton) (PCL) under melt-mixing condition in order to improve the miscibility of PLA and PCL. It was found that the mode I fracture energy of the polymer blend effectively increases with increase of LTI content. Microscopic examination also showed that the size of PCL phase decreases due to LTI addition, leading to the reduction of void formation and suppression of local stress concentration, thus the improvement of the fracture energy. The improved miscibility also contributes to the ductility enhancement, which further increases the fracture energy.
- 一般社団法人 日本機械学会の論文
著者
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Todo Mitsugu
Research Institute For Applied Mechanics Kyushu University
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TAKAYAMA Tetsuo
Interdisciplinary Graduate School of Engineering Science, Kyushu University
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TAKAYAMA Tetsuo
Interdisciplinary Graduate School of Engineering Sciences, Kyushu University
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