Synthesis and Characterization of New Poly(alkyl/arylphosphazenes).

摘要

The work described in this proposal is a continuation of work which has been in progress in our labs since 1977. The program involves a detailed study of the synthesis, characterization, and reactions of poly phosphazenes in which all substituents are attached to the phosphorus nitrogen backbone by direct P-C bonds. A large variety of homopolymers and copolymers with simple alkyl and aryl substituents, an array of materials with a number of different organic functional groups, and several graft copolymers have been prepared by simple thermolysis of silicon-nitrogen-phosphorus compounds and by subsequent reactions of polymers prepared by this method. Over 100 of these new materials have been prepared in our laboratories and range from semi crystalline, film-forming thermoplastics to amorphous gums and fluids.