Modified polyester compositions

Details Modified polyester compositions Modified polyester compositions

C - Chemistry, Metallurgy

08

L

400/3015, 400/40

C08L 67/02 (2006.01) C08L 33/08 (2006.01) C08L 69/00 (2006.01)

Patent

CA 1123534

ABSTRACT OF THE DISCLOSURE Modified thermoplastic polyester compositions are provided which comprise (a) a poly-(1,4-butylene terephthalate) resin or polyester copolymer and, optionally, a poly(ethylene terephthalate) resin and (b) a modifier therefor comprising a combination of a polyacrylate resin and an aromatic polycarbonate, and, optionally (c) filler and/or reinforcing agent and/or (d) a flame retardant. Modifier (b) provides enhanced resistance to impact fracture, increased strength and improved resistance to heat distortion in articles molded from the compositions.

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