Copolymeric polycarbonates, a method for their preparation, and

Details Copolymeric polycarbonates, a method for their preparation, and Copolymeric polycarbonates, a method for their preparation, and

1995-10-12

1996-07-02

Seidleck, James J.

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

Synthetic resins

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

524183, 524405, 524418, 524611, 525461, 525463, 528196, 528199, 528204, C08G 6400

Patent

active

055323243

ABSTRACT:
A copolymeric polycarbonate containing repeating constituent units having formula [I] below and repeating constituent units having formula [II] below in a molar ratio of from 98:2 to 40:60. ##STR1## The above-described copolymeric polycarbonates have excellent resistance to chemicals, heat resistance and flame retardancy without compromising the impact resistance and good hues intrinsic to polycarbonates.

REFERENCES:
patent: 5151491 (1992-09-01), Sakashita et al.

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