Polyphosphazene copolymers containing alkyl borate substituents

Details Polyphosphazene copolymers containing alkyl borate substituents Polyphosphazene copolymers containing alkyl borate 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, 528394, 528399, C08G 8300

Patent

active

042476801

ABSTRACT:
Polyphosphazene copolymers are prepared which contain randomly distributed units represented by the formulas: ##STR1## wherein X is --OB(OR).sub.2 in which R is a branched, straight chain or cyclic alkyl group containing from 1 to 12 carbon atoms or mixtures thereof, and wherein X' is selected from the group consisting of substituted and unsubstituted alkoxy, aryloxy, amino and mercapto groups. The alkyl groups may vary in carbon chain length within the borate or all be the same.
The copolymers of the invention can be utilized to form protective films and may also be utilized in applications such as for moldings, coatings, and the like. The copolymers of the invention also crosslink at room temperature in the presence of water yielding a solvent resistant film.

REFERENCES:
patent: 3164556 (1965-01-01), Apley et al.
patent: 4040843 (1977-08-01), Franko-Filipasic

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