Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
General reaction schematic of polyphosphazenes showing the two-step process. First step encompasses the thermal ring-opening polymerization of hexachlorocyclotriphosphazene, and the subsequent step involves the nucleophilic macromolecular substitution of polydichlorophosphazene with similar and dissimilar substituent groups
