Process for preparing copolymer polyols

Details Process for preparing copolymer polyols Process for preparing copolymer polyols

C - Chemistry, Metallurgy

08

L

400/100, 400/300

C08L 25/00 (2006.01) C08F 299/00 (2006.01)

Patent

CA 1232990

ABSTRACT This invention is concerned with a process for preparing a polymer polyahl comprising polymeriz- ing an ethylenically unsaturated monomer or mixtures thereof in a polyahl or polyahl mixture whereby a dispersion of polymer particles is prepared in a continuous polyahl phase. The process is characterized by conducting said polymerization in the presence of a triiodomethyl compound. The use of the triodomethyl compound provides a lower viscosity, more stable polymer polyahl.

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