Phenolphthalein polyarylate polymers and alloys

C - Chemistry – Metallurgy – 08 – G

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C08G 63/18 (2006.01) C08L 25/06 (2006.01) C08L 67/02 (2006.01) C08L 69/00 (2006.01)

Patent

CA 1274043

ABSTRACT OF THE DISCLOSURE Polyarylate polymers derived from (A) substituted phenolphthalein compounds or mixtures of these compounds with other bisphenols, and (B) a mixture of isophthalic and terephthalic acid. Also disclosed are polyarylate alloy compositions comprising a phenolphthalein polyary- late and a polymer resin selected from polybisphenol A carbonate and polystyrene.

529544

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