Polycarbonate resin composition for optical use

Details Polycarbonate resin composition for optical use Polycarbonate resin composition for optical use

1993-04-01

1994-09-27

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...

524291, 524298, 524300, 524320, 524322, 524537, 524513, 525146, 525148, 525439, C08J 714, C08K 509, C08L 6900

Patent

active

053507908

ABSTRACT:
This invention provides a polycarbonate resin composition for optical use and an optical disc substrate manufactured therefrom. Polycarbonate resin is mixed with at least one kind of carboxylic acid selected from aliphatic carboxylic acids having 1 to 10 carbon atoms in which hydrogen atoms of aliphatic group may be substituted by hydroxyl groups; or aromatic carboxylic acids in which hydrogen atoms of the aromatic ring may be substituted by low alkyl groups, hydroxyl groups, or halogen atoms.
The amount of the carboxylic acids is 5 to 1000 ppm based on the polycarbonate resin.

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