Polyphosphazene polymers containing substituents derived from ke

Details Polyphosphazene polymers containing substituents derived from ke Polyphosphazene polymers containing substituents derived from ke

1978-11-03

1979-12-18

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, 528422, C08G 7904

Patent

active

041795563

ABSTRACT:
Polyphosphazene copolymers are prepared which are comprised of repeating units represented by the formulas: ##STR1## wherein X is represented by the formula: ##STR2## where R.sub.1 and R.sub.2 are independently selected from the group consisting of substituted and unsubstituted alkyl radicals containing from 1 to 15 carbon atoms, substituted and unsubstituted cycloalkyl, aryl, arylalkyl and heterocyclic ring; X' is selected from the group consisting of substituted and unsubstituted alkoxy, aryloxy, mercapto, and amino radicals, and mixtures thereof; and 20.ltoreq.(w+y+z).ltoreq.50,000 per polymer unit.

REFERENCES:
Rosini et al., "Journal of Organic Chemistry" 1973, 38(5), pp. 1060-1061.

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