Phosphonitrilate polymers and method of preparation

Details Phosphonitrilate polymers and method of preparation Phosphonitrilate polymers and method of preparation

1973-12-14

1977-04-12

Raymond, Richard L.

Chemistry of carbon compounds

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

260973, C07F 924

Patent

active

040175626

ABSTRACT:
Improved fire retardant phosphonitrilate polymer compositions are prepared by reacting a chlorophosphazene with a metal alcoholate, preferably sodium propoxide, and an alkali metal hydroxide, preferably sodium hydroxide which is first prepared by mixing alcohol and water and adding this to a dispersion of alkali metal in a solvent.

REFERENCES:
patent: 2876247 (1959-03-01), Ratz et al.
patent: 3627841 (1971-12-01), Kober et al.
patent: 3795526 (1974-03-01), Bergeron
Shaw et al., Chemical Reviews, vol. 62, No. 1, Feb. 1962, p. 268.

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