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Citation: YING Lai-Qiang, TENG Hong-Xiang, ZHAO Yu-Ying, TANG Wen-Hong, BA Xiao-Wei, HAN Shuang-Cheng, JIN Ying-Tai. Stereospecific Polymerization of Methylmethacrylate with Yttrocene-containing Aluminium Bimetallic Complex[J]. Chinese Journal of Applied Chemistry, ;2000, 17(1): 18-21. shu

Stereospecific Polymerization of Methylmethacrylate with Yttrocene-containing Aluminium Bimetallic Complex

1.
Changchun Institute of Applied Chem istry, Chinese Academy of Sciences, Changchun 130022

Received Date: 28 June 1999
Available Online: 8 September 1999
Fund Project:

The stereospecific polymerization of methyl methacrylate has been studied using (C₉H₇)₂Y(μ-Et)₂AlEt₂ as a single-component catalyst and its combination with (i-Bu)₃Al as a two-component catalyst. By using the former catalyst PMMA with molecular weight of 3.4×10⁶ and isotactic content of 93% was obtained. The latter catalyst system gave PMMA with molecular weight of about 0.6×10⁶ and syndiotactic content of 65%.
- methylmethacrylate,
- stereospecific polymerization,
- lanthanocene,
- yttrocene-containing aluminium complex
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