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method of producing a multiple überschreibbaren thermofarbbandes for for
method of producing a multiple überschreibbaren thermofarbbandes for for
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机译:种用于制造多个überschreibbaren热田的方法
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PCT No. PCT/EP86/00335 Sec. 371 Date Feb. 3, 1987 Sec. 102(e) Date Feb. 3, 1987 PCT Filed Jun. 4, 1986 PCT Pub. No. WO86/07311 PCT Pub. Date Dec. 18, 1986.A reusable thermocolor ribbon for thermal transfer printing is described comprising a layer of a melt-applied color on one side of a plastic foil as carrier, where the melt-applied color contains a wax or wax-like substance, a pigment and an organic binder. A coating liquid which contains a thermoplastic binding agent in solution and the meltable wax or wax-like substance in finely dispersed solid form, is applied to the carrier of the thermocolor ribbon, where the coating liquid represents as solvent agent a mixture of a solvent and non-solvent for the thermoplastic binding agent at room temperature. The non-solvent/solvent mixture is evaporated while simultaneously its solvent capability for the plastic binding agent is reduced. This thermocolor ribbon can be used more than 20 times without impairment of the print quality. A process for preparing the thermocolor ribbon is also detailed herein.
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