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研究了二价稀土金属配合物(η5:η1-C9H6CH2CH2CH2NMe2)2YbII(1),[{η5:η5:η1-(C9H5CH2SiMe2NC4H8)2}EuI2I(μ-Cl)]2[μ-η3:η5:η1:η3:η5:η1-(C9H5CH2SiMe2NC4H8)2].C7H8.(C6H6)0.5(2),and[η5:η1-C9H6CH2SiMe2NC4H8]2YbII(3)催化甲基丙烯酸甲酯聚合活性.探索了催化剂与MMA单体摩尔比、溶剂的极性、温度对MMA聚合反应的影响.
The properties of divalent rare earth metal complexes (η5: η1-C9H6CH2CH2CH2NMe2) 2YbII (1) and [η5: η5: η1- (C9H5CH2SiMe2NC4H8) 2} EuI2I (C6H6) 0.5 (2), and [η5: η1-C9H6CH2SiMe2NC4H8] 2YbII (3) were used to catalyze the polymerization of methyl methacrylate. The effects of catalyst and MMA monomer Molar ratio, solvent polarity, temperature on the polymerization of MMA.