Thermal dye transfer assemblage with low Tg polymeric receiver m

Details Thermal dye transfer assemblage with low Tg polymeric receiver m Thermal dye transfer assemblage with low Tg polymeric receiver m

1998-05-08

1999-08-03

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

Having plural interactive leaves

428195, 428327, 428913, 428914, B41M 5035, B41M 538

Patent

active

059325194

ABSTRACT:
A thermal dye transfer assemblage comprising:
(I) a dye-donor element comprising a support having thereon a dye layer comprising a dye dispersed in a polymeric binder, the dye being 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, 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, the polymeric dye image-receiving layer comprising a mixture of
a) a polymer having a Tg of less than about 19.degree. C. and having no or only slight acidity; and
b) sub-micron, non film-forming, organic, acidic particles which are capable of reprotonating the cationic dye transferred to the dye image-receiving layer from the dye layer.

REFERENCES:
patent: 5523274 (1996-06-01), Shuttleworth et al.
patent: 5534479 (1996-07-01), Shuttleworth et al.
patent: 5627128 (1997-05-01), Bowman et al.

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