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.
Phosphate-containing polymers: (a) Type 1, the products of the radical (co)polymerization of vinyl phosphates; (b) Type 2, poly(ethylene phosphoric acid) (PEPA) obtained by ring-opening polymerization (ROP) of cyclic ethylene phosphates followed by hydrolysis; (c) Efficient method of PEPA preparation by mild thermolysis of the polymers obtained by the ROP of tert-butyl ethylene phosphate (tBuOEP) [33].
