三(4-甲基芳氧基)镧催化ε-己内酯开环聚合研究 |
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引用本文: | 沈丽娟,曲丹,张丽芳.三(4-甲基芳氧基)镧催化ε-己内酯开环聚合研究[J].山西师范大学学报,2009,23(3):49-53. |
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作者姓名: | 沈丽娟 曲丹 张丽芳 |
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作者单位: | 沈丽娟,张丽芳(山西师范大学化学与材料科学学院,山西,临汾,041004);曲丹(吉林省长春市环境检测中心站,吉林,长春,130022) |
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基金项目: | 山西省自然科学基金资助项目,山西省重点实验室开放基金 |
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摘 要: | 系统研究了三(4-甲基芳氧基)镧La(OMP)3]催化ε-己内酯(ε-CL)的开环聚合,发现它具有催化活性,并且反应显示出一定活性聚合特征.通过^1H NMR分析端基结构的方法.
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关 键 词: | ε-己内酯 开环聚合 三(4-甲基芳氧基)镧 |
Ring-Opening Polymerization of ε-Caprolactone Catalyzed by Lanthanide Tri(4-methylphenolate)s |
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Institution: | SHEN Li-juan, QU Dan, ZHANG Li-fang(1. Institute of Material Chemistry, Shanxi Normal University, Linfen 041004, Shanxi, China 2. Jilin Changchun Environment Test Center, Jilin 130022, Changchun, China) |
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Abstract: | Ring-opening polymerization of ε-caprolactone (ε-CL) catalyzed by single component lanthanide tri(4-methylphenolate) s La(OMP) 3 ] was systematically studied. It has been found that La(OMP) 3 exhibits high activity and the polymerization has "living"characteristic. The initiation mechanism by La(OMP) 3 has been studied through oligomer end group analysis by NMR. |
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Keywords: | ε-eaprolactone ring-opening polymerization lanthanide tri (4-methylphenolate) s |
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