Stabilization of polycarbonates having high heat distortion temp

Details Stabilization of polycarbonates having high heat distortion temp Stabilization of polycarbonates having high heat distortion temp

1992-03-19

1997-09-16

Michl, Paul R.

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...

524265, 524266, 525100, 525464, C08J 510, C08K 554, C08L 6900

Patent

active

056682042

ABSTRACT:
A thermoplastic molding composition containing an aromatic polycarbonate and a particular siloxane compound is disclosed. The composition which is based on a polycarbonate resin having bifunctional structural units corresponding to formula (Ia) ##STR1## wherein R.sup.1 and R.sup.2 denote, independently of one another, hydrogen, halogen, C.sub.1 -C.sub.8 alkyl, C.sub.5 -C.sub.6 -cycloalkyl, C.sub.6 -C.sub.10 -aryl, or C.sub.7 -C.sub.12 -aralkyl,

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