Thermal transfer sheet, discolored or decolorized printed material, and method for producing discolored or decolorized printed material
AssigneeDai Nippon Printing Co., Ltd.
InventorsYuki IWASAKI, Ryoji HATTORI, Hiroshi EGUCHI
Life of this patent
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Abstract
A thermal transfer sheet according to an embodiment of the present disclosure includes a substrate and a sublimation transfer discoloration- or decolorization-imparting layer disposed on one surface side of the substrate, in which the sublimation transfer discoloration- or decolorization-imparting layer contains at least a compound responsible for discoloration or decolorization and a binder resin.
Claims19
A thermal transfer sheet, comprising a substrate and a sublimation transfer discoloration- or decolorization-imparting layer disposed on one surface side of the substrate,
- wherein the sublimation transfer discoloration- or decolorization-imparting layer contains at least a compound responsible for discoloration or decolorization and a binder resin, the compound having sublimability or diffusibility and a function of discoloring or decolorizing a general image.
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A thermal transfer printed material, comprising a transfer-receiving article and a retransfer layer,
- wherein the retransfer layer includes at least a receiving layer, a general image, and a sublimation transfer discoloration- or decolorization-imparting image, and
- the sublimation transfer discoloration- or decolorization-imparting image is in contact with at least part of the general image and contains a compound responsible for discoloration or decolorization, the compound having sublimability or diffusibility and a function of discoloring or decolorizing the general image.
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A discolored or decolorized printed material, comprising a transfer-receiving article and a discolored or decolorized retransfer layer,
- wherein the discolored or decolorized retransfer layer includes at least a receiving layer and a discolored or decolorized portion, and
- the discolored or decolorized portion contains a reaction product of a coloring material and a compound responsible for discoloration or decolorization, the compound having sublimability or diffusibility and a function of discoloring or decolorizing a general image.
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Dependencies are inferred from the claim text.