Reducing flammability of polyurethane foams with phosphorus comp

Details Reducing flammability of polyurethane foams with phosphorus comp Reducing flammability of polyurethane foams with phosphorus comp

1974-11-06

1976-12-21

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AR, 260 457P, 260928, 260929, 260930, C08G 1814, C08G 1838, C08G 1832

Patent

active

039987647

ABSTRACT:
Production of agents reducing the flammability of polyurethane moulding compositions. The agents are more particularly comprised of compounds of the following general formula (I) ##STR1## IN WHICH R stands for an alkylene radical having from 2 to 6 carbon atoms, which may be halogen-substituted, if desired, a --CH.sub.2 --CH.sub.2 --O--CH.sub.2 --CH.sub.2 -- radical, a phenylene radical or an alkyl- or halogenoalkyl-substituted diphenylene methane radical, R.sub.1 and R.sub.2, respectively, stand for a hydrogen atom, an alkyl radical or a halogen-substituted alkyl radical having from 1 to 4 carbon atoms, x + y stand for a number between 0.1 and 3, and n stands for 1 or 2.

REFERENCES:
patent: 3332893 (1967-07-01), Birum et al.
patent: 3433856 (1969-03-01), Friedman
patent: 3737397 (1973-06-01), Baranauckas et al.
patent: 3850859 (1974-11-01), Wortmann et al.
patent: 3882199 (1975-05-01), Batorewicz

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