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研究了马来酸酐和环氧氯丙烷交替共聚，发现Pr(naph)3-Al(i-Bu)3是马来酸酐（MAn）和环氧氯丙烷（ECH）交替共聚的良好催化剂．用红外光谱、核磁共振表征了共聚物的结构．共聚反应的动力学研究表明共聚反应与单体浓度、催化剂浓度呈一级关系．表观活化能为102kJ／mol．
The copolymerization of maleic anhydride and epichlorohydrin was studied. Pr (naph) 3-Al (i-Bu) 3 was found to be a good catalyst for the alternate copolymerization of maleic anhydride (MAn) and epichlorohydrin (ECH). The structure of copolymer was characterized by FTIR and NMR. Kinetics of the copolymerization reaction showed that the copolymerization reaction with the monomer concentration, catalyst concentration was a first-class relationship. Apparent activation energy of 102kJ / mol.