Ink ribbon for thermal transfer printer

B - Operations – Transporting – 41 – M

Patent

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Details

B41M 5/44 (2006.01) B41J 31/00 (2006.01) B41J 31/05 (2006.01)

Patent

CA 2057780

Abstract of the Disclosure An ink ribbon for thermal transfer printer comprising a foundation and a thermal transfer layer, said thermal transfer layer comprising a colored layer containing a wax-like substance as a main component of the vehicle thereof, and a thermoplastic adhesive layer having a film-forming property provided on the surface of the colored layer, said thermoplastic adhesive layer having a melt viscosity of 1 x 104 to 5 x 106 cP at a temperature by 40°C higher than the softening temperature of the adhesive layer, a softening temperature of 45° to 90°C, a solidifying temperature of 25° to 65°C, and a temperature difference of at least 10°C between said softening temperature and said solidifying temperature. The thermal transfer ink ribbon provides clear images not only on a smooth paper but also on a rough paper even in a high-speed printing or even on printers with different peeling conditions.

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