The catalyst system comprised hydrocarbon and hydrocarbon oxide compounds of aluminum,magnesium, calcium,zinc and other metals,the catalyst promoter involved a number of compounds.

• 环氧乙烷聚合用催化剂体系包括铝、镁、钙、锌及其他金属的烃化物和烃氧化物,助催化剂涉及多种化合物。