Curable aryloxyphosphazene polymers

Details Curable aryloxyphosphazene polymers Curable aryloxyphosphazene polymers

1978-02-17

1978-09-12

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

260 3, 260 308DS, 260 326N, 260 336F, 260 336R, 260DIG24, 521189, C08G 7904, C08J 910

Patent

active

041136705

ABSTRACT:
Polymers comprising randomly repeating units of the general formula ##STR1## wherein R.sub.1 is linear or branched C.sub.1 -C.sub.10 alkoxy, R.sub.2 is linear or branched C.sub.1 -C.sub.10 alkyl, hydrogen or halogen, and W is C.sub.2 to C.sub.10 alkenyl-substituted aryloxy. These novel polymers are elastomers and may be used to form flexible and semirigid foams and coatings. They display good fire retardance and low smoke levels.

REFERENCES:
patent: 3370020 (1968-02-01), Allcock et al.
patent: 3515688 (1970-06-01), Rose
patent: 4026838 (1977-05-01), Dieck et al.
patent: 4055545 (1977-10-01), Dieck et al.

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