Process for reducing residual monomers in low viscosity...

Details Process for reducing residual monomers in low viscosity... Process for reducing residual monomers in low viscosity...

C - Chemistry, Metallurgy

08

F

402/250, 402/5

C08F 283/00 (2006.01) C08F 4/38 (2006.01) C08F 6/00 (2006.01) C08F 6/10 (2006.01) C08G 18/63 (2006.01)

Patent

CA 1269793

ABSTRACT An improved process is provided for preparing stable low viscosity polymer-polyols containing less than about 100 ppm residual monomers by using a monoperoxycarbonate initiator in combination with at least one initiator selected from diperoxyketals and peroxyesters, as chaser catalysts, at or near the end of the polymerization. The polymer-polyols prepared by the instant invention can be used to prepare high resiliency (load bearing) polyurethane foams.

532454

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