Process for producing polyalkylene oxide derivatives

Details Process for producing polyalkylene oxide derivatives Process for producing polyalkylene oxide derivatives

1990-05-03

1993-06-29

Marquis, Melvyn I.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

526120, C08F28306

Patent

active

052235831

ABSTRACT:
A process for producing an unsaturated group-terminated polyalkylene oxide, which comprises subjecting a monoepoxide having at least 3 carbon atoms to ringopening addition polymerization to an initiator in the presence of a double metal cyanide complex catalyst, followed by converting terminal hydroxyl groups of the resulting hydroxyl group terminated polyalkylene oxide to unsaturated groups.

REFERENCES:
patent: 3278458 (1966-10-01), Belner
patent: 3829505 (1974-08-01), Herold
patent: 4323488 (1982-04-01), Takago et al.
patent: 4472560 (1984-09-01), Kuyper et al.
patent: 4593068 (1986-06-01), Hirose et al.

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