Carbodiimide-isocyanurate foams modified with ethoxylated polyol

Details Carbodiimide-isocyanurate foams modified with ethoxylated polyol Carbodiimide-isocyanurate foams modified with ethoxylated polyol

1976-02-02

1977-09-27

Ivy, C. Warren

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AW, 260 25BF, C08G 1850

Patent

active

040510824

ABSTRACT:
Rigid cellular foams are prepared by catalytically condensing an organic polyisocyanate in the presence of (a) a carbodiimide-promoting catalyst, (b) a trimerization catalyst, (c) a urethane catalyst, and (d) from 10 parts to 40 parts per 100 parts of polyisocyanate of a polyol mixture comprising (1) from 5 parts to 30 parts of a polyoxyethylated polyhydric alcohol and (2) from 5 parts to 25 parts of a polyoxyethylated phosphate polyol.

REFERENCES:
patent: 3772217 (1973-11-01), Kan
patent: 3876568 (1975-04-01), Wysocki
patent: 3891578 (1975-06-01), Kan
patent: 3894972 (1975-07-01), Narayan
patent: 3922238 (1975-11-01), Narayan
patent: 3928256 (1975-12-01), Cenker
patent: 3931065 (1976-01-01), Ashida
patent: 3933694 (1976-01-01), Wysocki
patent: 3969288 (1976-07-01), Cenker
patent: 3994839 (1976-11-01), Cenker

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