Printer ribbon and film used for preparation thereof

Details Printer ribbon and film used for preparation thereof Printer ribbon and film used for preparation thereof

B - Operations, Transporting

41

J

117/14, 117/240,

B41J 31/06 (2006.01) C08J 5/18 (2006.01) C08L 23/04 (2006.01) C08L 23/06 (2006.01)

Patent

CA 1298015

- 12 - PRINTER RIBBON AND FILM USED FOR PREPARATION THEREOF ABSTRACT OF THE DISCLOSURE Disclosed is a film for a printer ribbon, which is made of a resin composition comprising, 55 to 95% by weight of high-density polyethylene and 5 to 45% by weight of low-density polyethylene and having a melt tension of at least 1.4 g and a density of 0.94 to 0.96 g/cm3. The film is made by the T-die-chill roll method wherein a good stability at both ends of the extruded molten resin film is maintained to prevent the occurrence of an uneven thickness or formation of wrinkles, and wherein undesirable engulfment of air between the molten resin film and the chill roll is avoided.

543250

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