MANUFACTURE OF POLYURETHANES USING ORGANIC ZIRCONIUM COMPOUNDS AS CATALYSTS

摘要

In the manufacture of a polyurethane by the reaction of a polyol with a polyisocyanate in the presence of a catalyst and in the absence of water, the catalyst used is an organic zirconium compound, preferably a zirconium alcoholate or phenolate, having the formula: (Y)mZr(YR)4-2mWHEREIN: