Polycarbonate resin compositions for optical use

Details Polycarbonate resin compositions for optical use Polycarbonate resin compositions for optical use

1993-03-17

1995-04-04

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524183, 524393, 524405, 524461, 524490, C08K 555, C08K 536, C08K 338

Patent

active

054038782

ABSTRACT:
Polycarbonate resin compositions suitable for optical uses and methods for their preparation are disclosed. The disclosed compositions are comprised of polycarbonate resins and .alpha.-olefin oligomers and exhibit good mold release and thermal stability while experiencing little discoloration or molecular weight reduction during molding.

REFERENCES:
patent: 4476275 (1984-10-01), Giddings et al.
patent: 4626566 (1986-12-01), Miller et al.
patent: 4686245 (1987-08-01), Nelson

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