Patent ID: 6107355
Filing Date: 2000-08-22
Classification: C08G

Abstract:
A process for producing polyurethane foams comprising reactinga) organic polyisocyanates, modified organic polyisocyanates or mixtures of organic and modified organic polyisocyanates withb) at least one relatively high molecular weight compound containing at least two reactive hydrogens, having a functionality of from 2 to 8 and a molecular weight of from 400-8500, and, optionally,c) low molecular weigh chain extenders, crosslinkers or mixtures of chain extenders and crosslinkersin the presence ofd) blowing agentse) catalystsand in the presence or absence off) additives,wherein the catalysts (e) comprisee') from 35 to 65 parts by weight of di-n-octyltin bis (2-ethylhexyl thioglycolate)e"") from 65 to 35 parts by weight of mono-n-octyltin tris(2-ethylhexyl thioglycolate).