Polymeric bromine-containing phosphoramidate polyols

Details Polymeric bromine-containing phosphoramidate polyols Polymeric bromine-containing phosphoramidate polyols

1973-12-26

1976-01-13

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

260 25AR, 260 775AR, 260239A, 260239EP, 2602477D, 260268, 260927R, 260929, 260986, C07F 924, C08G 1883

Patent

active

039325652

ABSTRACT:
Polymeric bromine-containing phosphoramidate polyols are obtained by reacting bromine with spirocyclic phosphoramidites and thereafter reacting the brominated products with a polyol, in the presence of an acid acceptor. The novel viscous polymers thus produced react with polyisocyanates to produce polyurethanes. Polyurethanes so made are characterized by improved flame-retardant properties compared with conventional polyurethanes.

REFERENCES:
patent: 3192242 (1965-06-01), Birum
patent: 3228998 (1966-01-01), Fierze et al.
patent: 3256249 (1966-06-01), Vogt et al.
patent: 3578731 (1971-05-01), Mange et al.

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