Polyisocyanurate foams prepared by a cocatalyst system

Details Polyisocyanurate foams prepared by a cocatalyst system Polyisocyanurate foams prepared by a cocatalyst system

C - Chemistry, Metallurgy

08

G

403/13, 402/182

C08G 18/20 (2006.01) C08G 18/02 (2006.01)

Patent

CA 1060150

ABSTRACT OF THE DISCLOSURE Polyisocyanurate foamable compositions, polyisocyanurate foams and a process of preparing such foams wherein the foam con- sists essentially of recurring isocyanurate linkages, the foam exhibiting good friability properties and prepared by reacting a polyisocyanate in the presence of a cocatalyst system compris- ing a trimer catalytic amount of an alkylaminoalkyl phenol, and an amount of from about 1% to 15% by weight of the dialkylamino- alkyl phenol of a triethylene diamine or homolog thereof.

257089

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