Stretched polycarbonate films filled with carbon black

Details Stretched polycarbonate films filled with carbon black Stretched polycarbonate films filled with carbon black

1987-02-20

1988-12-13

Silbaugh, Jan H.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

264105, 2642884, 428339, 524496, 524611, 252511, H01B 124

Patent

active

047910160

ABSTRACT:
A polycarbonate film obtained by dispersing carbon black in a solution of thermoplastic aromatic polycarbonate, producing a cast film, and subsequently stretching the cast film, is characterized in that its elongation at break is greater than that of a corresponding unstretched similarly filled film having an identical thickness.

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patent: 3544514 (1970-12-01), Schnell
patent: 3654182 (1972-04-01), Hayes
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patent: 3697450 (1972-10-01), Takenaka et al.
patent: 4185009 (1980-01-01), Idel et al.
patent: 4343756 (1982-08-01), Weber et al.

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