A linerless thermal sheet arranged as a roll, includes a substrate having a first face and a second face, whereby the first face opposes the second face; an adhesive layer on at least part of the first face of the substrate; a thermosensitive layer on at least part of the second face of the substrate, the thermosensitive layer including a first portion and a second portion whereby the first portion and the second portion do not overlap; a release coating applied onto the thermosensitive layer, the release coating has a low adherence to the adhesive layer; at least one colour image is deposited on the first portion of the thermosensitive layer such that the at least one colour image is between the thermosensitive layer and the release coating, whereby the second portion of the thermosensitive paper is blank for thermally-printed information.

A thermosensitive recording medium includes a support; a first underlayer disposed on or above the support; a second underlayer disposed on or above the first underlayer; and a thermosensitive recording layer disposed on or above the second underlayer. The second underlayer and the thermosensitive recording layer are formed by simultaneous curtain coating. Surface smoothness of a surface of the thermosensitive recording medium is 1,000 s or greater.

A thermal transfer image receiving sheet includes: a substrate made of paper; a polyolefin resin layer formed on a first surface of the substrate; an adhesive layer formed on a second surface of the substrate facing away from the first surface; a porous layer formed on the adhesive layer; a foundation layer formed on the porous layer; and an image receiving layer formed on the foundation layer. A surface of the substrate, as defined in JIS B 0601:2001, has a maximum valley (undulation) depth Wv of 2.00 μm or less and a root mean square slope for the waviness WΔq of 0.013 or less. The porous layer has a thickness of 25 μm or more, and a thickness of the polyolefin resin layer is 0.2 to 3.0 times the thickness of the porous layer.

A recording medium includes a support substrate and a recording layer provided on the support substrate. The recording layer contains a color-exhibiting compound having an electron-donating property, a color-developing agent having an electron-accepting property, and a matrix polymer. The color-developing agent contains a compound represented by a specific formula. The matrix polymer contains a polycarbonate resin.

A thermally expandable sheet includes: a first thermally expansive layer that is formed on one side of a base and contains a first thermally expandable material and a first binder, the first thermally expansive layer having a first ratio of the first thermally expandable material with respect to the first binder; and a second thermally expansive layer that is formed on the first thermally expansive layer and contains a second thermally expandable material and a second binder, the second thermally expansive layer having a second ratio of the second thermally expandable material with respect to the second binder, wherein the first ratio is lower than the second ratio.

The present invention relates to a thermally printable paper article with an elastomeric underlayer, which imparts improved printing performance.

A reversible recording medium according to an embodiment of the present disclosure includes a first recording layer to be colored in a first color, a second recording layer to be colored in a second color, the second color being different from the first color, and a first intermediate layer provided between the first recording layer and the second recording layer, the first intermediate layer including a plurality of layers respectively containing materials different from each other.

The present invention relates to a thermally printable paper article with an elastomeric underlayer, which imparts improved printing performance.

This invention relates to a conductive thermal image receiver element that has an aqueous coatable dye-receiving layer. The dye-receiving layer comprises a conductive polymeric material, a dispersant, one or more surfactants, one or more antifoamers, a water-dispersible release agent, a crosslinking agent, and a polymer binder matrix consisting essentially of a water-dispersible polyester and a water-dispersible acrylic polymer. This invention also relates to a method for making this thermal image receiver element as well as method for using it to provide a dye image by thermal transfer from a donor element.

A thermal transfer recording medium that is able to better suppress bleeding or scumming of an image and better suppress the occurrence of peeling lines or abnormal transfer during thermal transfer. The thermal transfer recording medium according to an embodiment includes a heat-resistant slip layer that is formed on one surface of a base material, an undercoat layer that is formed on the other surface of the base material, and a dye layer that is formed on a surface of the undercoat layer that is opposite from the surface that faces the base material; wherein the dye layer includes at least a thermally transferable dye, a first binder resin and a release agent; the release agent includes polyether-modified silicone oil and a perfluoroalkyl compound, and the ratio of the polyether-modified silicone oil and perfluoroalkyl compound, on the basis of a weight ratio, is within the range 9:1 to 6:4.