Modified polyester compositions

Details Modified polyester compositions Modified polyester compositions

1979-07-03

1981-05-12

Anderson, Harold D.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

260 40R, 525 63, 525 64, 525 92, 525 93, 525173, 525177, C08L 6702

Patent

active

042672864

ABSTRACT:
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 or a vinyl aromatic-diene block copolymer resin and a poly(1,3-butylene terephthalate), and, optionally (c) filler and/or reinforcing agent and/or (d) a flame retardant or combination of flame retardants. Modifier (b) provides enhanced resistance to impact fracture in articles molded from the compositions.

REFERENCES:
patent: 2465319 (1949-03-01), Whinfield et al.
patent: 3047539 (1962-07-01), Pengilly
patent: 3591659 (1971-07-01), Brinkmann et al.
patent: 3833685 (1974-09-01), Wambach
patent: 3855277 (1974-12-01), Fox
patent: 3953394 (1976-04-01), Fox et al.
patent: 3953404 (1976-04-01), Borman
patent: 4022748 (1977-05-01), Schlichting et al.
patent: 4034013 (1977-07-01), Lane
patent: 4034016 (1977-07-01), Baron et al.
patent: 4044073 (1977-08-01), Baron et al.
patent: 4090996 (1978-05-01), Gergen et al.
patent: 4096202 (1978-06-01), Farnham et al.

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