POLYOL COMPOSITION AND POLYISOCYANATE-BASED FOAM PREPARED THEREFROM.

摘要

A polyol composition is disclosed that comprises an aromatic polyether polyol , preferably based on the condensation product of a phenol with an aldehyde and as blowing agent, formic acid. The polyol composition finds utility in the manufacture of polyurethaneand particularly polyisocyanurate foams having attractive flameretardant and reduced smoke generation characteristics.