| abstract |
Modified thermoplastic polyester compositions 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 name retardant. Modifier (b) provides enhanced resistance to impact fracture, increased strength and improved resistance to heat distortion in articles molded from the compositions. |