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

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

C - Chemistry, Metallurgy

08

F

C08F 283/00 (2006.01) C08F 290/06 (2006.01) C08G 18/38 (2006.01) C08G 18/63 (2006.01) C08G 18/81 (2006.01)

Patent

CA 2157217

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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