Honeywell International Inc.
POLYURETHANE FOAM PREMIXES CONTAINING HALOGENATED OLEFIN BLOWING AGENTS AND FOAMS MADE FROM SAME

Abstract:

Disclosed are polyol premix compositions, and foams formed therefrom, which comprise a combination of a hydrohaloolefin blowing agent, a polyol, a silicone surfactant, and a catalyst system that includes a bismuth-based metal catalyst. Such catalysts may be used alone or in combination with an amine catalyst and/or other non-amine catalysts.