| A Novel Catalytic System—NdCl_3·HMPA/Al(i-Bu)_3 for Copolymerization of Isoprene and Styrene |
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| 作者姓名： | 许晓鸣 倪旭峰 沈之荃 |
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| 作者单位： | Department of Polymer Science & Engineering，Zhejiang University，Hangzhou，Zhejiang 310027，China，Department of Polymer Science & Engineering，Zhejiang University，Hangzhou，Zhejiang 310027，China，Department of Polymer Science & Engineering，Zhejiang University，Hangzhou，Zhejiang 310027，China |
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| 基金项目： | Project supported by the Major State Basic Research Development Program (No. 1999064801)，the National Natural Science Foundation of China (No. 20254001) and Zhejiang Provincial Natural Science Foundation. |
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| 摘 要： | Introduction Rare-earth coordination catalysts are known for their high activity and high stereospecificity in the polymerization of conjugated dienes.1-5 The copolymerization of styrene (St) with butadiene using rare earth catalyst was followed with interest soon as the rare earth coordination catalyst appeared in the early 1960s.6-14 Copolymerization of isoprene (IP) and St using coordination catalysts was reported in a few papers,10,15-18 among them only Jin et al.10 and our group18 repor…
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