Polyols for urethane-modified isocyanurate foams

Details Polyols for urethane-modified isocyanurate foams Polyols for urethane-modified isocyanurate foams

C - Chemistry, Metallurgy

08

G

403/13

C08G 18/50 (2006.01) C08G 18/18 (2006.01) C08G 18/32 (2006.01) C08G 18/38 (2006.01) C08G 18/40 (2006.01) C08G 18/48 (2006.01)

Patent

CA 1229948

= m2? = Abstract A method for the manufacture of urethane-modified polyisocyanurate foams in which an isocyanate is blended with a "B" side comprising a polyol blend, a surfactant, a blowing agent, and catalyst. The poly- ol blend comprises a mixture of a polyalkoxylated amine and a poly- alkoxylated quaternary ammonium borate ester, and a resin polyol, with any remainder being a polyether or polyester polyol. All com- ponents of the "B" side will remain a homogeneous liquid without phase separation and without the need for agitation for at least 7 days after blending.

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