Polymer polyol prepared by crosslinking a low molecular weight p

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...

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252182, 521137, 521140, 525455, 528 75, 528 76, 528 77, 528392, C08G 1822, C08G 1867, C08L 7500

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active

045215812

ABSTRACT:
A method of making polymer polyols is disclosed wherein a relatively low molecular weight liquid polymer of an ethylenically unsaturated monomer is mixed with a polyol and crosslinked in the polyol. The relatively low molecular weight polymer which is mixed in the polyol may have a variety of microstructures since the low molecular weight polymer was prepared separate from the polyol.

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