Preparation of polymer polyols

Details Preparation of polymer polyols Preparation of polymer polyols

1988-02-01

1991-01-22

Schofer, Joseph L.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524761, 526227, 5262305, C08K 506

Patent

active

049871790

ABSTRACT:
A process for the production of a fluid polymer polyol containing (a) greater than 30% by weight polymer and/or (b) a poly(acrylonitrile/styrene) copolymer comprising between 65 and 90% by weight polystyrene is provided. By using a peroxydicarbonate catalyst during the process products of improved viscosity and filtrability are produced.

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