Thermoplastic compositions of polycarbonate resin and copolymers

Details Thermoplastic compositions of polycarbonate resin and copolymers Thermoplastic compositions of polycarbonate resin and copolymers

1987-05-26

1988-11-08

Seccuro, Carman J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524157, 524508, 525148, 525 67, 525199, C08L 6900

Patent

active

047834943

ABSTRACT:
Thermoplastic compositions useful for preparation into shaped articles are provided which are based on mixtures of an aromatic polycarbonate resin, such as a poly(bisphenol-A carbonate) resin, and a copolymer of ethylene and acrylic or methacrylic acid. The ethylene copolymer can be an ionically crosslinked addition polymer (ionomer) as provided when the acid groups are neutralized with metal cations, or they can simply be random copolymers which are not ionically crosslinked. Articles prepared from the compositions are more resistant to undergoing delamination than counterpart compositions based on mixtures of polycarbonate and polyethylene.

REFERENCES:
patent: 3586656 (1971-06-01), DePaolo et al.
patent: 3855277 (1974-12-01), Fox
patent: 4082715 (1978-04-01), Mercier
patent: 4332714 (1982-06-01), Haaf et al.
patent: 4513119 (1985-04-01), Liu
patent: 4515921 (1985-05-01), Witman
patent: 4532282 (1985-07-01), Liu et al.

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