Processes for thermal transfer ink donor films

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

1986-11-24

1988-08-09

Bell, Janyce A.

Coating processes

Transfer or copy sheet making

106 31, 106 32, 427130, 427384, 4273935, 427395, B41M 312

Patent

active

047627344

ABSTRACT:
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.

REFERENCES:
patent: 2499004 (1950-02-01), Seil et al.
patent: 3336150 (1967-08-01), Takahashi et al.
patent: 3404021 (1968-10-01), Newman et al.
patent: 3549209 (1971-07-01), Kosche et al.
patent: 3957495 (1976-05-01), Teranishi et al.
patent: 4251276 (1981-02-01), Ferree et al.
patent: 4407886 (1983-10-01), Hoffman et al.
patent: 4454194 (1984-06-01), Luebbe
patent: 4503095 (1985-03-01), Seto et al.
IBM Technical Disclosure Bulletin, vol. 27, No. 3, Aug. 1984, pp. 1806 and 1807.

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