Low-viscosity, stable, agglomerate-free polymer polyols, a proce

Details Low-viscosity, stable, agglomerate-free polymer polyols, a proce Low-viscosity, stable, agglomerate-free polymer polyols, a proce

1995-08-23

1997-01-14

Gorr, Rachel

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...

525131, 25218225, 25218227, 528 76, 521137, C08G 1848

Patent

active

055940668

ABSTRACT:
Stable, agglomerate-free, low-viscosity graft copolymer dispersions are prepared by the radical polymerization of 25 to 65% by weight of ethylenically unsaturated monomers in the presence of a base polyol, a macromer, a low-molecular weight regulator and, optionally, an organic solvent. The dispersions of this process are suitable as a polyol component for the production of polyurethane plastics by the isocyanate addition process.

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