Composition of a polycarbonate resin and a selectively hydrogena

Details Composition of a polycarbonate resin and a selectively hydrogena Composition of a polycarbonate resin and a selectively hydrogena

1982-12-29

1985-08-27

Briggs, Sr., Wilbert J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525 92, C08L 6900

Patent

active

045379300

ABSTRACT:
There are provided compositions having superior impact resistance and improved solvent resistance comprising (a) an aromatic polycarbonate resin and (b) a minor amount of a selectively hydrogenated elastomeric block copolymer. The use of component (b) also provides remarkable improvements in the melt flow characteristics, in resistance to brittle failure, and in the resistance to environmental stress crazing and cracking of the polycarbonate resin component (a).

REFERENCES:
patent: 2999835 (1961-09-01), Goldberg
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patent: 3333024 (1967-07-01), Haefele et al.
patent: 3431224 (1969-03-01), Goldblum
patent: 3437631 (1969-04-01), Cleveland
patent: 3753936 (1973-08-01), Marrs
patent: 4088711 (1978-05-01), Gergen et al.
Groggins, Unit Processes in Organic Synthesis, 4th Ed., McGraw-Hill Book Company, 1952, pp. 616-620.

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