PROCESS FOR PREPARING POLYALKYLENE OXIDE HAVING UNSATURATED END GROUPS

摘要

: Polypropylene oxide having unsaturated end groups is prepared by polymerizing alkylene oxide in the presence of a complex catalyst, formed by reacting an organoaluminum compound with a prophyrin compound, and an active hydrogencontaining compound and converting at least one hydroxyl end group into an unsaturated end group(s). The polymer thus prepared has a narrow distribution of molecular weight and can be produced relatively inexpensively. The resulting polymer can be used as an elastomer or blended with other polymers as a modifier to improve cross-linking properties.