Oxazolidone-modified isocyanurate foams and a composition and me

Details Oxazolidone-modified isocyanurate foams and a composition and me Oxazolidone-modified isocyanurate foams and a composition and me

1986-04-25

1987-10-13

Kight, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521156, 521160, 521902, C08J 900, C08G 1800, C08G 1814

Patent

active

046999310

ABSTRACT:
Oxazolidone-containing isocyanurate foams characterized by thermal stability at a temperature of about 140.degree. C. or higher. These foams are produced by reacting at least one polyisocyanate with at least one polyepoxide in the presence of catalyst, surfactant, and blowing agent.

REFERENCES:
patent: 3198851 (1965-08-01), Hoy
patent: 3242108 (1966-03-01), McGary et al.
patent: 3313747 (1967-04-01), Schramm
patent: 3673128 (1972-06-01), Hayash et al.
patent: 3793236 (1974-02-01), Ashida et al.
patent: 3849349 (1974-11-01), Frisch et al.
patent: 4003859 (1977-01-01), Reymore et al.
patent: 4220731 (1980-09-01), Zuppinger
patent: 4258137 (1981-03-01), Cogliano
Nicholas. L. and G. T. Gmitter, "Heat Resistant Rigid Foams by Trimerization of Isocyanate Terminated Prepolymers", Journal of Cellular Plastics, 1965, pp. 85-90.

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