Polyol composition containing a hydrocarbon blowing agent

Details Polyol composition containing a hydrocarbon blowing agent Polyol composition containing a hydrocarbon blowing agent

C - Chemistry, Metallurgy

08

G

C08G 18/48 (2006.01) C08G 18/10 (2006.01) C08G 18/40 (2006.01) C08J 9/14 (2006.01) C08L 67/02 (2006.01)

Patent

CA 2354484

The present invention discloses a polyol resin composition containing a polyether polyol blend, a polyester polyol, and a hydrocarbon blowing agent. The polyether polyol blend has at least a diamine initiated polyol, a propylene oxide polyol, and a polyethylene terephthalate initiated polyol having a functionality of from 2.3 to 3Ø The polyester polyol is preferably a phthalic anhydride initiated polyester polyol. The blowing agent is a C4-C6 hydrocarbon. Also disclosed is a method of producing a polyurethane foam combining the above mentioned polyol resin and an isocyanate component.

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