Polycarbonate mixtures which can be processed as thermoplastics

Details Polycarbonate mixtures which can be processed as thermoplastics Polycarbonate mixtures which can be processed as thermoplastics

1978-06-19

1980-01-29

Turer, Richard B.

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

Synthetic resins

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

260 37PC, 264171, 264211, 264540, C08L 6700

Patent

active

041861540

ABSTRACT:
The present invention relates to mixtures comprising about 60% by weight to 5% by weight of aromatic polycarbonates which have a Mw between about 60,000 and 120,000 (component A) and about 40% by weight to 95% by weight of aromatic polycarbonates which have a Mw between about 28,000 and 40,000 (component B), as well as to processes for their preparation and their use for the production of shaped articles. The melt which can be prepared from the mixtures according to the invention has a high stability and the films obtainable therefrom have a high resistance towards stress cracking.

REFERENCES:
patent: 3038874 (1962-06-01), Laakso et al.
patent: 3166606 (1965-01-01), Reinking et al.
patent: 3334154 (1967-08-01), Kim
patent: 3647747 (1972-03-01), Bialous
patent: 3890266 (1975-06-01), Serini et al.
patent: 4081495 (1978-03-01), Freitag

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