Process for preparing condensed polyalkoxyphosphazene

Details Process for preparing condensed polyalkoxyphosphazene Process for preparing condensed polyalkoxyphosphazene

1982-09-01

1984-05-29

Sutto, Anton H.

Chemistry of carbon compounds

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

260927N, C07F 940

Patent

active

044514107

ABSTRACT:
A process for preparing a condensed polyalkoxyphosphazene by reacting a halophosphazene oligomer with an alcohol in the presence of an alkali metal carbonate to produce a condensed partially alkoxy-substituted phosphazene, removing water produced in the reaction from the reaction mixture, and reacting the condensed partially alkoxy-substituted phosphazene with an alkali metal alkoxide. The condensed polyalkoxyphosphazene having desired average molecular weight and viscosity and an excellent stability can be easily prepared in a high yield in a low cost.

REFERENCES:
patent: 3957927 (1976-05-01), Wurmb et al.

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