Highly flame resistant rigid urethane-isocyanurate foam...

Details Highly flame resistant rigid urethane-isocyanurate foam... Highly flame resistant rigid urethane-isocyanurate foam...

C - Chemistry, Metallurgy

08

G

403/13

C08G 18/09 (2006.01) C08G 18/42 (2006.01) C08G 18/50 (2006.01)

Patent

CA 1238148

ABSTRACT HIGHLY FLAME RESISTANT RIGID URETHANE-ISOCYANURATE FOAM COMPOSITIONS Highly flame resistant rigid urethane-isocyanurate foams, are prepared from compositions containing blowing agent, a polyester polyol derived from the residue of dimethyl terephthalate or terephthalic acid production, a phosphorus containing polyol and an isocyanurate catalyst, in which the NCO:OH ratio is 3 to 6.

470108

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