Polymeric phosphazenes and process for preparation

Details Polymeric phosphazenes and process for preparation Polymeric phosphazenes and process for preparation

1974-04-05

1976-11-30

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

260973, C07F 906, C09K 328

Patent

active

039949966

ABSTRACT:
A new class of polymeric phosphazenes with P--O--P oxygen linkages useful in rendering rayon flame retardant are prepared through the condensation of alkyl esters of phosphorus acids with acid halides of phosphorus acids with elimination of alkyl halides.

REFERENCES:
patent: 3419504 (1968-12-01), Klender
patent: 3459838 (1969-08-01), Klender

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