Synthesis of Polyesters by Enzymatic Ring-Opening Copolymerization Using Lipase Catalyst.
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概要
- 論文の詳細を見る
Enzymatic ring-opening copolymerization of lactones was carried out by using Pseudomonas fluorescens lipase in bulk. In the copolymerizaton of ε-caprolactone (ε-CL) and δ-valerolactone at 60°C for 10 days a copolymer with molecular weight of 3.7×103 was obtained and its structure was found to be of random structure having both units from 13C NMR anlaysis. Effects of the feed ratio, the reaction time and temperature on the copolymerization have been examined. The enzymatic copolymerization of ε-CL with other lactones and D-lactide also gave corresponding copolymers.
- 日本学士院の論文
著者
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Uyama Hiroshi
Department Of Applied Chemistry Graduate School Of Engineering Osaka University
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Kobayashi Shiro
Department Of Material Chemistry Graduate School Of Engineering Kyoto University
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Takeya Kazuhiro
Department Of Molecular Chemistry And Engineering Faculty Of Engineering Tohoku University
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UYAMA Hiroshi
Department of Molecular Chemistry and Engineering, Faculty of Engineering, Tohoku University
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