Polyols for the production of rigid polyurethane foams

Details Polyols for the production of rigid polyurethane foams Polyols for the production of rigid polyurethane foams

C - Chemistry, Metallurgy

08

G

400/107, 403/13,

C08G 18/50 (2006.01) C07D 251/64 (2006.01) C08G 18/54 (2006.01)

Patent

CA 1219871

NOVEL POLYOLS FOR THE PRODUCTION OF RIGID POLYURETHANE FOAMS ABSTRACT OF THE DISCLOSURE A polyol comprising an alkoxylated modified resole, said modified resole being formed by the reaction of i) a phenolic compound and/or mixtures of homologues thereof, ii) urea and/or melamine, iii) an organic primary and/or secondary amine group-containing compound, and iv) an aldehyde and are useful in the production of polyurethane foams.

453861

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