Provided is a thermal transfer sheet having a good foil holding property of a transfer layer and a good foil cutting property of the transfer layer. A thermal transfer sheet which comprises a substrate 1, a release layer 2, and a transfer layer 10 which are layered in this order, wherein the interval between the release layer 2 and the transfer layer 10 corresponds to the transfer interface of the transfer layer 10, and the release layer 2 contains an acid-modified polyolefin.

Provided is a thermal transfer sheet that can suppress thermal fusion of the thermal transfer sheet and a transfer-receiving article and can improve the durability of a printed article obtained by transferring a transfer layer onto the transfer-receiving article, even if energy applied to the thermal transfer sheet was increased upon transferring the transfer layer onto the transfer-receiving article. This thermal transfer sheet 100 comprises a thermal transfer layer 10 on one surface of a substrate 1. The transfer layer 10 comprises one or more layers, and among the layers constituting the transfer layer 10, the layer closest to the substrate 1 contains a copolymer of isobutyl (meth)acrylate and a monomer having a carboxyl group, and the acid value of the copolymer is not less than 40 mg KOH/g.

A thermal transfer sheet, which includes a transfer layer, is superposed on a transfer receiving article, and while the transfer layer is continuously transferred onto the article by a printer comprising a sheet supplying device, heating device, sheet winding device, measuring device located between the heating and sheet winding devices to measure the tensile strength of the thermal transfer sheet conveyed along a conveyance path, and release device located between the heating and the measuring devices, under conditions including an applied power for printing: 0.15 W/dot and a conveying speed for the thermal transfer sheet: 84.6 mm/sec., the transfer layer transferred on the article is released from a constituent member in contact with the transfer layer of the thermal transfer sheet, has a tensile strength measured by the measuring device of 0.1 N/cm or less.

Provided is a thermal transfer sheet which has satisfactory printability and provides a printed matter having excellent boiling resistance. Disclosed is a thermal transfer sheet which is provided with a substrate, at least a transferable protective layer and a transferable color layer in this order on one side of the substrate, and is provided with a back face layer on the other side of the substrate, characterized in that the transferable protective layer contains a cyclic olefin-based polymer having a glass transition temperature of 100 C. or more as a main component and further contains an incompatible resin with the cyclic olefin-based polymer, and the transferable color layer contains a colorant and a phenolic resin having a softening point of 100 C. or more.

The present invention aims principally to provide a protective layer transfer sheet that can prevent occurrence of fusion between a receiving layer and a transfer layer and occurrence of peeling traces when the transfer layer is peeled from the receiving layer, even in the case that thermal energy applied on transfer of the transfer layer is increased and can obtain a high quality printed article and to provide a protective layer transfer sheet that can impart extremely good scratch resistance to the surface of a printed article. The protective layer transfer sheet includes a substrate, and a transfer layer provided on a surface of the substrate, and the transfer layer includes a binder resin and one or more substances selected from the group consisting of phosphoric acid esters, olefin-maleic acid copolymers, and amino polyether-modified silicone oils.

A thermal transfer recording medium that satisfies the requirements for higher printing speed of thermal transfer, and high density and high quality of thermal transfer images, that better prevents the occurrence of abnormal transfer under high-temperature and high-humidity conditions, and that improves transfer sensitivity in printing. The thermal transfer recording medium includes a primer layer, an undercoat layer, and a dye layer in this order on one surface of a substrate, and a heat-resistant lubricating layer on the other surface of the substrate; wherein the primer layer contains polycarbonate and a polyurethane-urea resin having a polycaprolactam skeleton; the undercoat layer contains a copolymer of polyester and acrylic, and polyvinyl pyrrolidone; and the copolymer is a copolymer of polyester having a sulfonic acid group, and acrylic having at least one of a glycidyl group and a carboxyl group.

Provided is a thermal transfer image-receiving sheet capable of suppressing the occurrence, inside a printer, of problems such as paper jam, printing failure, and abnormal sound. In a thermal transfer image-receiving sheet including a receiving layer on a substrate, the thermal transfer image-receiving sheet is provided with a perforation capable of being folded and torn off therealong; and the maximum resistance value is 0.5 N/cm or more and 1.0 N/cm or less as measured when the thermal transfer image-receiving sheet is folded along the perforation while one end side of the thermal transfer image-receiving sheet is being secured, and a predetermined force is being continuously applied to the other end side of the thermal transfer image-receiving sheet, the one end side and the other end side being situated across the perforation.

Provided is a thermal transfer image receiving sheet that is thin, resistant to curling, has favorable image quality and has opacity. A thermal transfer image receiving sheet of the present invention at least comprises an ink receiving layer, a first support, an adhesive layer and a second support laminated in that order, wherein the first support and the second support are provided with a foamed layer and a non-foamed skin layer laminated on both sides of the foamed layer.

SOLVING MEANS The main challenge thereof is to provide a transfer sheet that allows printing with a high printing density, which never causes a blur and a crushing of an image.

SOLUTION There is provided a transfer sheet comprising a substrate, as well as a releasing layer and a hot melt colored layer in this order on the substrate, the hot melt colored layer comprising, as a binder resin, a (meth)acrylic resin having a glass transition temperature of not less than 75 C., and a colorant.

There is provided a thermal transfer sheet having satisfactory transferability when a transfer layer is transferred on a transfer receiving article over a wide energy range.

A thermal transfer sheet 100 for obtaining a thermal transfer image-receiving sheet includes a substrate 1 and a transfer layer 10 provided on the substrate, wherein the transfer layer 10 has a layered structure in which two or more layers are layered, the transfer layer 10 includes at least a receiving layer 2, the layer located nearest to the substrate 1 of the layers constituting the transfer layer 10 is the receiving layer 2, and the receiving layer 2 contains a cellulosic resin.