Modified polyester composition

Details Modified polyester composition Modified polyester composition

1983-05-13

1984-08-21

Jacobs, Lewis T.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524445, 524447, 524449, 524451, 524505, C08K 0000

Patent

active

044670575

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 (b) a modifier therefor comprising a combination of a selectively hydrogenation monoalkenyl arene-diene block copolymer resin and an aromatic polycarbonate, and (c) a mineral filler and, optionally, (d) a flame retardant. Modifier (b) and mineral filler (c) provide enhanced resistance to impact fracture, increased strength and improved resistance to heat distortion in articles molded from the compositions.

REFERENCES:
patent: 4013613 (1977-03-01), Abolins et al.
patent: 4013624 (1977-03-01), Hoeschele
patent: 4031165 (1977-06-01), Saiki et al.
patent: 4080354 (1978-03-01), Kramer
patent: 4090996 (1978-05-01), Gergen et al.
patent: 4111893 (1978-09-01), Gasman et al.
patent: 4132707 (1979-01-01), Borman
patent: 4203887 (1980-05-01), Goedde et al.

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