General Electric Company

Edwin J Goedde

Ping Y Liu

Fred F Holub

Phillip S Wilson

The present invention is concerned with ternary polycarbonate compositions having improved impact strength. The ternary compositions comprise a mixture of thermoplastic, aromatic polycarbonates which are derived from aromatic dihydroxy compounds, an acrylate copolymer, and an organic silicone compound.

Polycarbonate compositions

Modified thermoplastic polyester compositions are provided which comprise (a) a poly(1,4-butylene terephthalate) resin and, optionally, a poly(ethylene terephthalate) resin and (b) a modifier therefor comprising (i) a silane-treated clay; (ii) acicular calcium metasilicate, (iii) a combination of segmented copolyester and an aromatic polycarbonate; or (iv) novaculite or a combination thereof. The modifiers provide easier processability and enhanced resistance to warpage in articles molded from the compositions.

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Mt. Vernon, IN, United States of America

Edwin J Goedde