Polyisocyanurate foams prepared by a cocatalyst system

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

1975-07-16

1977-07-19

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AB, 260 25AC, 260 775AB, 260 775AC, 260 775NC, 252426, 252438, C08G 1818

Patent

active

040367924

ABSTRACT:
Polyisocyanurate foamable compositions, polyisocyanurate foams and a process of preparing such foams wherein the foam consists essentially of recurring isocyanurate linkages, the foam exhibiting good friability properties and prepared by reacting a polyisocyanate in the presence of a cocatalyst system comprising a trimer catalytic amount of an alkylaminoalkyl phenol, and an amount of from about 1 to 15% by weight of the dialkylaminoalkyl phenol of a triethylene diamine or homolog thereof.

REFERENCES:
patent: 3644168 (1972-02-01), Bonk et al.
patent: 3676380 (1972-07-01), McLaughlin
patent: 3723364 (1973-03-01), McLaughlin

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