Modified polyester compositions

Details Modified polyester compositions Modified polyester compositions

1978-11-06

1981-03-24

Lieberman, Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

525 67, 525146, 525148, 525439, C08L 6900, C08L 6702

Patent

active

042579376

ABSTRACT:
Modified thermoplastic polyester compositions are provided which comprise (a) a poly(1,4-butylene terephthalate) resin or polyester compolymer 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.

REFERENCES:
patent: 3474050 (1969-10-01), Chappelear
patent: 4022748 (1977-05-01), Schlichting
patent: 4034013 (1977-07-01), Lane
patent: 4035333 (1977-07-01), Isamada
patent: 4044073 (1977-08-01), Baron
patent: 4045514 (1977-08-01), Iwahashi

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