Ink ribbon for thermal transfer

Details Ink ribbon for thermal transfer Ink ribbon for thermal transfer

1992-07-17

1994-07-12

Ryan, Patrick J.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428913, 428914, B41M 5035, B41M 538

Patent

active

053288955

ABSTRACT:
There is disclosed an ink ribbon for forming a dye image on a photographic paper by the thermal transfer system. An ink layer of the ink ribbon includes anion dye in which paired ion is exchanged for hydrophobic organic cation and hydrophobic polymer. As anion dye, phthalocyanine system anion dye is used. The hydrophobic organic cation is selected from aliphatic amine, aliphatic quaternary ammonium ion, aromatic quaternary ammonium ion, and heterocyclic quaternary ammonium ion. The rate of anion dye to the total quantity of the anion dye and the hydrophobic polymer is 10 to 90% by weight.

REFERENCES:
patent: 5019452 (1991-05-01), Watanabe et al.
patent: 5064807 (1991-11-01), Yoshida et al.

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