Thermoplastic composition suitable for optical applications havi

Details Thermoplastic composition suitable for optical applications havi Thermoplastic composition suitable for optical applications havi

1998-12-18

2000-08-15

Merriam, Andrew E. C.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523106, 524238, 524240, 524600, 525413, 525415, 424401, 424653, C08L 6900, C08L 6704, A61K 31135

Patent

active

06103777&

ABSTRACT:
A thermoplastic molding composition having low haze values, suitable for optical applications is disclosed. The compositions contains a resinous component selected from the group consisting of (i) a homogeneous blend of polycarbonate resin and polycaprolactone and (ii) a copoly(carbonate-lactone) block or random copolymer, and melanin in an amount of 0.1 to 1.0 parts per hundred parts of weight of the resinous component.

REFERENCES:
patent: 4698347 (1987-10-01), Schaus et al.
patent: 5036115 (1991-07-01), Gallas
patent: 5047447 (1991-09-01), Gallas
patent: 5116884 (1992-05-01), Gallas

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