Process for reducing residual monomers in low viscosity polymer-

Details Process for reducing residual monomers in low viscosity polymer- Process for reducing residual monomers in low viscosity polymer-

1986-09-09

1989-02-14

Sutto, Anton H.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitriles

526 86, 558388, C07C12154

Patent

active

048047759

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.

REFERENCES:
patent: 4172825 (1979-10-01), Shook et al.

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