Composition

C - Chemistry – Metallurgy – 08 – L

Patent

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400/4401

C08L 69/00 (2006.01) C08L 23/00 (2006.01) C08L 67/02 (2006.01)

Patent

CA 1258721

COMPOSITION ABSTRACT OF THE DISCLOSURE An aromatic carbonate polymer composition having improved hydrolytic stability is disclosed which consists of an admixture of: (a) an aromatic polycarbonate having no ester bonds; (b) an aromatic copolyestercarbonate; (c) an amount of a polyolefin sufficient to effect hydrolytic stabilization; and wherein there is a preponderance of carbonate bonds as opposed to ester bonds in the total of (a), (b) and (c) and wherein (c) is present in an amount of about 0.5 to 2.0 weight percent of (a) and (b).

457781

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