PROCESS FOR THE PREPARATION OF POLYDICHLOROPHOSPHAZENES FROM A PRECURSOR COMPOSITION BASED ON HEXACHLOROCYCLOTRIPHOSPHAZENE

摘要

The subject of the invention is a process for the preparation of polydichlorophosphazenes. BR/ This process consists in heating a precursor composition based on hexachlorocyclotriphosphazene with phosphorus oxychloride and then in controlled elimination of the phosphorus oxychloride introduced.