Process for preparing poly (alkylene carbonates)

Details Process for preparing poly (alkylene carbonates) Process for preparing poly (alkylene carbonates)

1985-12-30

1987-08-11

Nielsen, Earl

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having a halogen atom or oxygen single bonded...

528370, 528405, 558265, C08G 6362

Patent

active

046862765

ABSTRACT:
An improved process for the preparation of poly(alkylene carbonate) polymer by the reaction of alkylene oxide with carbon dioxide and/or an alkylene carbonate at an elevated temperature and pressure is disclosed. The improvement comprises conducting said reaction in the presence of a catalyst mixture comprising an alkaline catalyst and a stannate compound.

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