Polyphosphazene copolymers containing substituents derived from

Details Polyphosphazene copolymers containing substituents derived from Polyphosphazene copolymers containing substituents derived from

1979-02-16

1980-09-09

Briggs, Sr., Wilbert J.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528374, 528399, C08G 7902, C08G 7300

Patent

active

042219000

ABSTRACT:
Polyphosphazene polymers are prepared which contain units represented by the formulas: ##STR1## wherein X is ##STR2## in which R and R.sub.1 are selected from the group consisting of alkyl groups containing from 1 to 12 carbon atoms, cycloalkyl groups containing from 3 to 12 carbon atoms and aryl groups wherein X' is selected from the group consisting of substituted or unsubstituted alkoxy, aryloxy, amino and mercapto groups and wherein .ltoreq.20(a+b+c).ltoreq.50,000 per polymer.
The copolymers of the invention can be utilized to form films and may also be utilized in applications such as moldings, coatings, foams and the like.

REFERENCES:
patent: 3370020 (1968-02-01), Allcock et al.

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