Low-viscosity polymeric polyols, a process for their...

Details Low-viscosity polymeric polyols, a process for their... Low-viscosity polymeric polyols, a process for their...

C - Chemistry, Metallurgy

08

F

C08F 283/06 (2006.01) C08G 18/63 (2006.01) C08G 18/65 (2006.01)

Patent

CA 2181642

A process is described for the preparation of stable, agglomerate- free, low-viscosity graft copolymer dispersions by the free-radical polymerization of olefinic monomers, such as styrene and/or acrylonitrile, with polyol compounds in the presence of a hydroxyl compound modified with castor oil. The use of these graft copolymer dispersions in the manufacture of polyurethane plastics, particularly flexible foams, by the isocyanate polyaddition process is also described.

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