POLYOL COMPOSITIONS AND THEIR USE IN THE PREPARATION OF HIGHRESILIENCE POLYURETHANE FOAMS

摘要

A polyol composition useful for the preparation of high resilience polyureth ane foams comprising (1) from 80 to 99.8 weight percent of a high functionality polyol or a polyol blend having an average nominal f unctionality between 3.2 and 6, and from 0.2 to 20 weigh t percent, a subsidiary polyalkylene oxide having a poly(oxyethylene) content greater than 30 percent; or (2) from 50 to 98 weight per cent of a high functionality polyol or a polyol blend having an average nominal func tionality between 3.2 and 6, from 0 to 0.9 weight percen t of a subsidiary polyalkylene oxide having poly(oxyethylene) content greater tha n 30 percent, and from 2 to 50 weight percent of a polym er. The average nominal functionality of the polyol composition is between 3.2 a nd 6. This polyol composition provides greater latitude for varying formulation components in the preparation of high resilience polyure thane foams with broad density and load ranges.