| L-Lactide Homopolymerization and Copolymerization with ε-Caprolactone by Tetrahydrosalen Stabilized Yttrium Borohydride Complex |
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| 作者姓名： | Yan-hua Wang Dong Xiang Rong Ren Jin Luo 孙维林 Zhi-quan Shen |
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| 基金项目： | supported by the National Natural Science Foundation of China(No.21174129);the Program for Zhejiang Leading Teams of S&T Innovation(2011R50007) |
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| 摘 要： | L-lactide（LLA） homopolymerization and copolymerization with ε-caprolactone（CL） in toluene initiated by tetrahydrosalen-supported yttrium borohydride complex were systematically investigated. A possible mechanism of LLA homopolymerization was proposed according to the 1H-NMR result. In addition, PCL-b-PLLA copolymers were synthesized by sequential addition of monomers and their structure was characterized by GPC, 1H-NMR and 13C-NMR.
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| 关 键 词： | L-丙交酯 共聚物 己内酯 均聚 硼氢化 复合 稳定 1H-NMR |
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