Polycarbonate resin mixtures

C - Chemistry – Metallurgy – 08 – L

Patent

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400/3037

C08L 69/00 (2006.01) C08L 51/04 (2006.01) C08L 67/02 (2006.01)

Patent

CA 1261093

POLYCARBONATE RESIN MIXTURES ABSTRACT OF THE DISCLOSURE Novel compositions with high impact strength in both thin and thick-walled sections, and good weld line strength at room temperatures are provided in the form of resinous mixtures comprising: (A) an aromatic carbonate polymer resin selected from the group consisting of (i) an aromatic polycarbonate resin, (ii) a poly(ester-carbonate) copolymer resin, and (iii) a mixture of (i) and (ii); and (B) an impact modifier combination therefor comprising (i) a polyester resin selected from the group consisting of (a) a poly(alkylene terephthalate) resin, when (A) is (i) or (iii); and (b) an amorphous copolyester copolymer resin, and (c) a mixture of (a) and (b); and (ii) a diene based, grafted core-shell copolymer.

461647

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