Polyphosphazene process

Details Polyphosphazene process Polyphosphazene process

C - Chemistry, Metallurgy

07

C

402/355, 260/625

C07C 31/34 (2006.01) C07C 29/70 (2006.01) C07C 37/66 (2006.01) C07F 9/06 (2006.01) C07F 9/6581 (2006.01) C08G 79/02 (2006.01)

Patent

CA 1239417

ABSTRACT POLYPHOSPHAZENE PROCESS A process for making an alkali metal alkoxide (e.g. sodium alkoxide) of a halogen-substituted alcohol (e.g. fluorine-substituted alcohols) by dispersing an alkali metal (e.g. sodium) in a cycloalkane (e.g. cyclo- hexane) and adding the resultant dispersion to an ether (e.g. THF) solution of a halogen-substituted alcohol. The resultant alkali metal haloalkoxide solution can be reacted with a phosphonitrilic chloride polymer to introduce haloalkoxide substituents.

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