Polyphosphazene polymers containing cyanamido or dicyanamido sub

Details Polyphosphazene polymers containing cyanamido or dicyanamido sub Polyphosphazene polymers containing cyanamido or dicyanamido sub

1978-09-08

1979-11-20

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 8300

Patent

active

041751817

ABSTRACT:
Polyphosphazene polymers are prepared which contain repeating units represented by the formulas: ##STR1## wherein X and X' are the same or differnt and are represented by: ##STR2## wherein R.sub.1 is selected from a group consisting of hydrogen and--CN; X' may additionally be selected from the group consisting of substituted and unsubstituted alkoxy, aryloxy, mercapto and amino groups and 20 .ltoreq.(w +y+z) .ltoreq.50,000 per polymer.
The polymers of the invention can be utilized to form protective films and can also be utilized in applications such as for molding, coatings, foams and the like.

REFERENCES:
patent: 3344087 (1967-09-01), Becke et al.

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