The polymerization of cyclophosphazenes to linear high polymers appears to proceed through mechanism that involves ionization of halogen atoms from phosphorus, followed by cationic attack by a phosphazenium ion on other trimeric or tetrameric molecules. These reactions involve ring-ring and ring-chain equilibria that are sensitive to the nature of the side groups. In addition, the presence of cyclosiloxanes in the polymerization system generates a series of phosphazenesiloxane interactions that reinforce the evidence for a cationic polymerization mechanism for phosphazenes.
|Original language||English (US)|
|Number of pages||1|
|Journal||American Chemical Society, Polymer Preprints, Division of Polymer Chemistry|
|State||Published - Apr 1 1985|
All Science Journal Classification (ASJC) codes
- Polymers and Plastics