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研究了环氧氯丙烷在Nd(P_(204))_3-Al(i-Bu)_3-H_2O三元稀土络合催化体系中的开环聚合动力学。测定了聚合反应速率对单位浓度及催化剂浓度的关系。测定了在该聚合体系下的聚合反应活化能。初步提出了快速引发、活性中心双基失活和向烷基铝发生转移的机理。P_(204)=[C_4H_7CH(C_2H_5)-CH_2O]_2-P-OH.
The ring-opening polymerization kinetics of epichlorohydrin in Nd (P_ (204)) _3-Al (i-Bu) _3-H_2O ternary rare earth complex catalyst was investigated. The relationship between the polymerization rate and the unit concentration and the catalyst concentration was measured. The polymerization activation energy under the polymerization system was measured. The mechanism of rapid initiation, deactivation of double bases in active sites and transfer to alkylaluminum was proposed. P_ (204) = [C_4H_7CH (C_2H_5) -CH_2O] _2-P-OH.