Composite molded article including a polarizer of polycarbonate

Details Composite molded article including a polarizer of polycarbonate Composite molded article including a polarizer of polycarbonate

1995-08-10

1997-12-30

Kiliman, Leszek

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428412, 428522, 428913, 358490, 358350, B32B 516, B32B 2736

Patent

active

057028133

ABSTRACT:
A composite molded article including a polarizer of polycarbonate is provided which is excellent in impact resistance and allows for the manufacture of an eyesight-corrective polarizing lens for eyeglasses, and which comprises a protective layer 2 formed of an annealed or stretched polycarbonate material, a layer to be polished 4 including an untreated layer 6 formed of a polycarbonate material as injection-molded which is not annealed or stretched, and a polarizing film 3 which are superposed one on another in stack with the polarizing film 3 interposed between the protective layer 2 and the layer to be polished 4, the layer to be polished 4 being greater in thickness than the protective layer 2.

REFERENCES:
patent: 5051309 (1991-09-01), Takao

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