| The copolymerization of L-lactide and ε-caprolactone using magnesium octoate as a catalyst |
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| 作者姓名： | Zhi Yong Wei~ |
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| 作者单位： | a College of Electromechanics and Materials Engineering, Dalian Maritime University, Dalian 116026, PR China;b School of Materials Science and Engineering, Dalian University of Technology, Dalian 116024, PR China |
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| 基金项目： | The authors thank for financial support by the National Natural Science Foundation of China (No. 30470521). |
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| 摘 要： | Copolymerizations of L-lactide （L-LA） and ε-caprolactone （ε-CL） were conducted in bulk using magnesium octoate as a catalyst. The reactivity ratios of L-LA and ε-CL were determined to be rL=23 and rc=0.22, respectively. The sequence analyses of the copolymers were performed on ^13C NMR. An increase in the reaction temperature enhances the role of transesterification and the extent of randomness.
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| 关 键 词： | 共聚合作用 L-丙交酯 镁元素 化学实验 |
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