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Citation: ZHANG Yue, YAO Ying-Ming, SHEN Qi, MENG Qing-Jin, REN Jin-Song, LIN Yong-Hua. Catalytic Polymerization of MMA by [(Bu^tC₅H₄)₂NdMe]₂[J]. Chinese Journal of Applied Chemistry, ;2002, 19(2): 173-175. shu

Catalytic Polymerization of MMA by [(Bu^tC₅H₄)₂NdMe]₂

1.
a Department of Chemistry, Nanjing University, Nanjing;
2.
b Department of Chemistry and Chemical Engineering, Suzhou University, Suzhou 215006;
3.
c Changchun Institute of Applied Chemistry,Chinese Academy of Sciences, Changchun

Corresponding author: SHEN Qi,
Received Date: 14 May 2001
Available Online: 8 October 2001
Fund Project: 国家自然科学基金资助项目(20072027) (20072027)

The catalytic activity of complex[(Bu^tC₅H₄)₂NdMe]₂(1) for MMA polymerization has been investigated. It was found that (1) shows high catalytic activity at-78℃, however, the catalytic activity decreases with the increase of polymerization temperature dramatically. The conversion is as high as 100% at 40℃ in the case of n(catalyst):n(monomer)=3:1000, while the conversion is 0 at 40℃. The stoichiometric reaction between (1) and MMA in 1:2 mole ratio at 40℃ gave complex[(Bu^tC₅H₄)₂NdMe]₂(2), which was formed by the nucleophilic substitution reaction of (1) to ester group of MMA. The result is explained in terms of deactivation of (1) for MMA polymerization above room temperature. The structure of (2) was confirmed by elemental analysis, IR, MS and X-ray diffraction measurements.
- neodynocene methylate,
- methyl methacrylate,
- polymerization,
- nucleophilic reaction
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Catalytic Polymerization of MMA by [(ButC5H4)2NdMe]2

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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Catalytic Polymerization of MMA by [(Bu^tC₅H₄)₂NdMe]₂