Preparation of polyarylate polymers of hydroxyaryl-substituted 1

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From phenol – phenol ether – or inorganic phenolate

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528176, 528180, 528193, 528182, 528185, 528190, C08G 6302

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active

049925261

ABSTRACT:
High molecular weight polyarylate polymers comprise alternating moieties derived from an aromatic dicarboxylic acid halide, with moieties derived from a hydroxyaryl-substituted 1,6-diaza [4.4] spirodilactam compound and, optionally, with moieties derived from a di(hydroxyphenyl) compound are prepared by interfacial polymerization in an aqueous-organic medium containing an alcohol.

REFERENCES:
patent: 3216970 (1965-11-01), Conix
patent: 4652608 (1987-03-01), Parker
patent: 4829144 (1989-05-01), Brunelle

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