Process for preparing polyalkylene oxide having unsaturated...

Details Process for preparing polyalkylene oxide having unsaturated... Process for preparing polyalkylene oxide having unsaturated...

C - Chemistry, Metallurgy

08

G

402/270

C08G 65/32 (2006.01) C08G 65/12 (2006.01) C08G 65/332 (2006.01) C08G 65/337 (2006.01)

Patent

CA 1250080

- 1 - Abstract: 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 hydrogen- containing 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.

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