Compositions of polyaryloxypyridine oligomers with phthalonitril

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...

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528211, 528172, 528128, C08G 8300, C08G 7300

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active

047645784

ABSTRACT:
The disclosed compositions of polyaryloxypyridine oligomers with phthalonile end groups are obtained by formation of a composition of polyaryloxypyridine oligomers with alkali phenolate end groups, followed with the reaction of said composition with 4-nitrophthalonitrile. Their average polycondensation degree may range from 1 to 50. They can be used in combination with a co-reactant derived from benzhydrol and containing one or two ortho-dinitrile functional groups, to constitute polyaryloxypyridine co-polyphthalocyanine lattices.

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