Assemblage for thermal dye transfer

Details Assemblage for thermal dye transfer Assemblage for thermal dye transfer

1997-06-19

1998-08-04

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428500, 428913, 428914, B41M 535, B41M 538

Patent

active

057893438

ABSTRACT:
A thermal dye transfer assemblage comprising:
(I) a dye-donor element comprising a support having thereon sequentially repeating dye layer patches of a dye dispersed in a polymeric binder, at least one of the dye patches containing a deprotonated cationic dye which is capable of being reprotonated to a cationic dye having a N--H group which is part of a conjugated system; and
(II) a dye-receiving element comprising a support having thereon a polymeric dye image-receiving layer comprising a vinyl polymer having no or only slight acidity and a hydrated transition metal or metalloid salt of a strong acid, the dye-receiving element being in a superposed relationship with the dye-donor element so that the dye layer is in contact with the polymeric dye image-receiving layer.

REFERENCES:
patent: 4668560 (1987-05-01), Kobayashi et al.
patent: 5523274 (1996-06-01), Shuttleworth et al.
patent: 5627128 (1997-05-01), Bowman et al.

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