Processes for thermal transfer ink donor films

Details Processes for thermal transfer ink donor films Processes for thermal transfer ink donor films

B - Operations, Transporting

41

M

117/9

B41M 5/26 (2006.01) B41M 3/12 (2006.01)

Patent

CA 1320398

-1- ABSTRACT OF THE DISCLOSURE An emulsion process for the preparation of thermal ink donor films which comprises (1) the addition of wax or soluble polymer components to a warm hydrocarbon solution; (2) adding thereto first additives that are soluble in the solution; (3) forming an emulsion thereof by adding the formed solution to an alcohol or a polar solvent, which may also contain dissolved second additives, grinding the resulting emulsion with a suitable pigment; (4) coating the product obtained on a supporting substrate; and (5) thereafter heating to enable evaporation of the hydrocarbon.

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