Integral-skinned polyurethane foam prepared in the presence of a

Details Integral-skinned polyurethane foam prepared in the presence of a Integral-skinned polyurethane foam prepared in the presence of a

1975-06-09

1977-05-03

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AB, 260 25AC, 260 25AJ, C08G 1816

Patent

active

040213811

ABSTRACT:
A flame-retardant integral-skinned polyurethane foam is prepared by a method which comprises the reaction of a polyol and an organic polyisocyanate in the presence of a foaming agent comprising trichlorofluoromethane, the improvement which comprises the incorporation of a catalyst comprising a phosphorous-containing compound selected from the group consisting of an alkyl phosphite, aryl phosphites and aryl-, alkyl-, aminoaryl-, alkaryl- and halide phosphines.

REFERENCES:
patent: 3012991 (1961-12-01), Schultheis et al.
patent: 3073788 (1963-01-01), Hostettler et al.
patent: 3121731 (1964-02-01), Quensel et al.
patent: 3168497 (1965-02-01), Twitchett
patent: 3208959 (1965-09-01), Gnutter
patent: 3476835 (1969-11-01), Schwachhofer et al.
patent: 3674750 (1972-07-01), Brady
patent: 3751392 (1973-08-01), Olstowski
patent: 3775350 (1973-11-01), Juhas

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