Polyphosphazene copolymers containing acetylenic substituents

Details Polyphosphazene copolymers containing acetylenic substituents Polyphosphazene copolymers containing acetylenic substituents

1978-09-08

1981-01-27

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, 528392, 528399, C08G 8300

Patent

active

042476798

ABSTRACT:
Polyphosphazene copolymers are prepared which contain units represented by the formulas: ##STR1## wherein X is --OR'RC--C.uparw.CH in which R and R' are hydrogen or alkyl groups containing from 1 to 6 carbon atoms; wherein X' is selected from the group consisting of substituted and unsubstituted alkoxy, aryloxy, amino and mercapto groups and wherein 20.ltoreq.(a+b+c).ltoreq.50,000 per polymer.
The copolymers of the invention can be utilized to form protective films and may also be utilized in applications such as moldings, coatings and the like.

REFERENCES:
patent: 2825718 (1958-03-01), Hamalainen
patent: 3676311 (1972-07-01), Frank et al.
patent: 4040843 (1977-08-01), Franko-Filipasic et al.

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