【摘要】 采用Ｎｄ（Ｐ５０７）３－Ａｌ（ｉ－ＢＵ）３聚合体系催化甲基丙烯酸甲酯（ＭＭＡ）和甲基丙烯酸丁酯（ＢＭＡ）聚合．发现介质对聚合反应速率影响甚大．在石油醚中聚合反应速率与单体（ＭＭＡ、ＢＭＡ）、钕盐的浓度分别呈一级关系．ＭＭＡ．ＢＭＡ聚合的表现活化能分别为３３ｋＪ．ｍｏｌ－１和２４ｋＪ．ｍｏｌ－１．ＰＭＭＡ的间同含量达７０％左右．聚合反应属配位自由基机理．更多还原

【Abstract】 aper describes the results of the polylnerization of MMA and BMA bycoordination catalyst of Nd (P507)3 - Al(i -Bu)3.Kinetic studies in benzinum purification showed that the MMA and BMA polymerizahon rate are of first orderwith respect to both monomer concentration and catalyst concentration. The apparent activation energies of MMA and BMA polymerization reaction are 33 kJ/moland 24 kJ /mol resistively. The polymerization of MMA and BMA with Nd catalyst in benzinum purificum proceed in coordinate radical.更多还原