Molecular-weight modification of polyphosphazenes

Details Molecular-weight modification of polyphosphazenes Molecular-weight modification of polyphosphazenes

1978-01-05

1979-01-23

Lee, Lester L.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Treating polymer containing material or treating a solid...

528168, 521903, 521180, 521189, C08G 7904, C08J 906

Patent

active

041360842

ABSTRACT:
A novel process has been developed for the molecular-weight modification of polyphosphazenes. Poly(aryloxyphosphazenes) are thermally treated in an inert atmosphere or vacuum at temperatures from 100.degree. C. to 300.degree. C. so as to yield materials having reduced molecular weights, improved processability, and enhanced thermal stability.

REFERENCES:
patent: 4026838 (1977-05-01), Dieck et al.
patent: 4053456 (1977-10-01), Dieck et al.
patent: 4076658 (1978-02-01), Dieck et al.

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