Abstract: A heat-sensitive recording material comprises a support, a heat-sensitive recording layer including a leuco dye and a developer, and a protective layer comprising a pigment and a binder. The heat-sensitive recording layer is located between the support and the protective layer. The pigment in the protective layer comprises secondary particles with an average particle diameter of about 30 to 900 nm formed preferably by aggregation of amorphous silica primary particles with a particle diameter of about 3 to 70 nm. The secondary particles are present in a proportion of about 5 to 35 mass % relative to total solids of the protective layer. The colloidal silica is present in a proportion of about 1 to 25 mass % relative to total solids of the protective layer.

Abstract: A modifying agent for a coating composition for producing a protective layer in a thermosensitive recording medium, wherein the modifying agent contains a polyurethane resin (A) having the structure represented by the following general formula (I) and a hydrophilic group, and an aqueous medium. (in the general formula (I), R1 and R2 represent individually an alkyl group, and m and n represent individually an integer of 1 or greater.

Abstract: The present invention provides a material that is less likely to cause flex cracking, has high scratch resistance, and is suitable for a protective layer for a thermosensitive material. A thermosensitive recording material according to the present invention includes a base, a thermosensitive recording layer formed on the base, and a protective layer formed on the thermosensitive recording layer, wherein the protective layer is formed from a mixture that contains an emulsion (a) containing particles formed of a hydrophobic polymer (1) and a hydrophilic polymer (2); and a non-crosslinking urea compound (b). Preferably, the hydrophobic polymer (1) contains an acrylonitrile-derived constitutional unit. Preferably, the non-crosslinking urea compound (b) is urea or a urea derivative.

Abstract: A thermosensitive recording medium having excellent image quality and surface strength is provided. The thermosensitive recording medium having excellent image quality and surface strength is obtained by containing a saturated fatty acid amide in the substrate to lower the density of the substrate. The thermosensitive recording medium of the present invention has an adequate general printability and problems such as print through are avoided. Furthermore, the thermosensitive recording medium of the present invention can assure adequate image quality and general printability even when an undercoat layer is not installed.

Abstract: Multicolor thermal imaging members are described that comprise color-forming layers that are separated by thermally-insulating layers and can be addressed with a thermal printing head in contact with a surface to form an image. The thermally-insulating layers are designed to be as thin as possible consistent with at least partially independent addressing of the color-forming layers, and are formulated so as not to lead to instabilities either before or after printing or to give rise to dimensional changes of a thermal imaging member when it is subjected to changes in temperature or humidity. Coating compositions for manufacturing such thermally-insulating layers are also provided.

Abstract: There are disclosed imaging members wherein a chemical compound in a crystalline form is converted, at least partially, and preferably substantially completely or completely, to an amorphous form that has intrinsically a different color from the crystalline form. Also described are imaging methods utilizing the imaging members. The conversion of the compound from the crystalline form to an amorphous form can be effected by laser exposure.

Abstract: There is provided a method for providing a security enabled dual-sided thermal medium, which includes imaging a first side of the thermal medium with a first data security feature, and imaging a second side of the thermal medium with a second data security feature. There is also provided a security enabled dual-sided thermal medium, which includes a first data security feature disposed at a predetermined location of a first side of the thermal medium, and a second data security feature disposed at a predetermined location of a second side of the thermal medium. Additionally, there is provided a system for providing a security enabled dual-sided thermal medium, which includes a dual-sided direct thermal printer adapted to image a first side of the thermal medium with a first data security feature and image a second side of the thermal medium with a second data security feature.

Abstract: To provide a thermosensitive recording medium including: a support; a thermosensitive recording layer composed mainly of a leuco dye and a developer, formed on a surface of the support; and at least two antibacterial agents which include a zirconium phosphate antibacterial agent and an imidazole antibacterial agent and which are internally contained in the thermosensitive recording medium.

Abstract: A thermosensitive recording material including, on a support having a type D durometer hardness of 40 or more as defined in accordance with ISO 7619:2004, and sequentially from the support side, an undercoating layer having a dynamic microhardness at 25° C. of 5.0 mN or less; and a thermosensitive color-forming layer containing an electron-donating dye precursor and an electron-accepting compound for thermal color-formation of the electron-donating dye precursor.

Abstract: The invention relates to a composite with inverse thermochromic properties, the composite changing from a colorless into a colored state with increasing temperature. The composite thereby contains a colorant, a developer and a fluxing agent and also an inorganic filler. The invention likewise relates to a composite material which contains a polymer-based matrix into which at least one composite with inverse thermochromic properties is doped. These composite materials are used in the field of sensor technology, solar technology, transport and communications technology and medical technology.

Abstract: A heat-sensitive recording material includes a heat-sensitive recording layer on a support which layer produces a color upon heating, and a protective layer on the heat-sensitive recording layer. The protective layer is obtained from a composition (A) based on an emulsion of a copolymer resin (a). The copolymer resin (a) includes a vinyl monomer component having a carboxyl group, and a vinyl monomer component copolymerizable with the vinyl monomer component. The copolymer resin (a) contains 1 to 10 parts by weight of the vinyl monomer component having a carboxyl group. The copolymer resin has a SP value (solubility parameter) of not less than 9.5 (cal/cm3)1/2 and a glass transition temperature (Tg) of 20 to 130° C. The emulsion of the copolymer resin (a) has a minimum film-forming temperature (MFT) of more than 5° C.

Abstract: A direct thermal label and methods of making thereof are provided. In one embodiment, a direct thermal label comprising a first substrate and a thermal barrier coating is provided, wherein the first substrate has a thermally sensitive coating situated over the thermal barrier coating on at least a first side thereof.

Abstract: A thermosensitive recording material including a support, a thermosensitive recording layer composed mainly of a leuco dye and a developer, provided on one surface of the support, and a back layer provided on the other surface of the support, wherein the back layer contains an isobutylene-maleic anhydride copolymer ammonium salt, and at least one of an aziridine compound, and a cross-linked product of the isobutylene-maleic anhydride copolymer ammonium salt and the aziridine compound.

Abstract: A reversible thermosensitive recording medium including: a support; a reversible thermosensitive recording layer on the support; and a protective layer on the reversible thermosensitive recording layer, wherein the reversible thermosensitive recording layer contains an electron-donating color-forming compound and an electron-accepting compound, wherein the protective layer contains a polyester acrylate resin, and wherein the protective layer has a glass transition temperature of 230° C. or higher and has an elongation of 10% or higher.

Abstract: Provided is a thermosensitive recording material which can be produced through high-speed coating, which is excellent in head-matching property, and which can provide a printed image having good waterproofness, while maintaining high sensitivity and high storage stability, which material includes a support, an under layer laid over the support, the under layer containing a plastic hollow particle, a thermosensitive color-developing layer laid over the under layer, the thermosensitive color-developing layer containing a leuco dye and a developer, wherein two or more layers including the thermosensitive color-developing layer are formed through simultaneous coating by a curtain coating method.

Abstract: A heat-sensitive recording material having a substrate that carries on its first side at least one heat-sensitive recording layer having at least one dye precursor and at least one color acceptor. The dye precursor and color acceptor react with one another in a color-forming manner under the action of heat. On its second side the substrate has a backcoat containing calcium carbonate. The backcoat is formed of at least two layers, a first layer is applied closer to the substrate and a second layer is applied farther from the substrate. The first layer contains a first calcium carbonate and the second layer contains a second calcium carbonate that differs from the first calcium carbonate.

Abstract: A dual-sided two-ply direct thermal image element is provided. In one embodiment, the dual-sided two-ply direct thermal image element comprises a first substrate having a first side and a second side, and a second substrate having a first side and a second side, wherein both the first substrate and the second substrate include a thermally sensitive coating on at least a first side thereof, and wherein the second side of the first substrate is releasably attached to the second side of the second substrate.

Abstract: In the present invention a composite particle including: a first polymeric particle having a diameter of from 100 nm to 3.5 microns including a core and a shell: the core including, when dry, at least one void; and the shell polymer having a calculated glass transition temperature(“Tg”) greater than 50° C.; and a second polymeric particle disposed on the surface of the first polymeric particle, the second polymeric particle having a minimum film-forming temperature of greater than 20° C.; wherein the ratio of the diameter of the first polymeric particle to the diameter of the second polymeric particle is from 1 to 50; and wherein the ratio of the weight of the first polymeric particle to the weight of the second polymeric particle is from 0.1 to 40, is provided.

Abstract: The present invention presents a thermosensitive recording medium having excellent color development, image quality and preservation properties as well as excellent stamp receptivity, anti-scratching ability, printability and water blocking resistance. The present invention is a thermosensitive recording medium having a thermosensitive recording layer comprising at least a colorless or pale colored basic leuco dye and an electron accepting developing agent as a coating layer on a substrate, wherein at least an outermost layer among the thermosensitive recording layer and other optionally prepared coated layers contains rice starch particles.

Abstract: The conventionally constructed thermosensitive recording labels prepared by installing a thermosensitive recording layer on one side of a support material and a tackifier layer on the other side were found to be clearly limited when meeting the demand for improved water and weather resistance. Therefore, the present invention provides a thermosensitive recording label having much better water and weather resistance than conventionally available one. The thermosensitive recording label having a thermosensitive recording layer and a tackifier layer on a transparent film substrate in this order has a superior water and weather resistance.

Abstract: The present invention provides a thermosensitive recording medium including a white plastic support, a thermosensitive recording layer containing a binder resin as a binding agent, a colorless or pale color leuco dye and a color developer for heat-developing the leuco dye, a protective layer, and a back layer containing an electron-conductive needle filler and an ion-conductive polymer, wherein the thermosensitive recording layer is disposed on the white plastic support, the protective layer is disposed on the thermosensitive recording layer, and the back layer is disposed on a side of the white plastic support opposite to the side where the thermosensitive recording layer is disposed.

Abstract: Two-sided thermal media comprising thermal transfer receptive and/or direct thermal thermally sensitive coatings on one or both of a first and a second side thereof are provided. In one embodiment, two-sided thermal media comprising a substrate having a first side and a second side, opposite the first side, and a first and a second thermal transfer receptive coating supported on the respective first and second substrate sides is provided. In another embodiment, two-sided thermal media comprising a substrate having a thermal transfer receptive coating on a first side thereof, and a direct thermal thermally sensitive coating on a second side thereof, is provided. In some embodiments, a direct thermal thermally sensitive coating provided on one or both sides of two-sided thermal media is adapted to image at a temperature different than a temperature at which thermal transfer printing has or can occur.

Abstract: There is disclosed an indicator composition, the application thereof to substrates, and related products. The indicator composition comprises an organic solvent soluble polymer and a redox sensitive material which displays different visible properties in the oxidised and reduced forms. The organic solvent soluble polymer can be at least partially sulfonated polystyrene. The indicator composition can be dissolved in organic solvents such as acetone, ethanol and ethyl acetate to form inks which can be used in a variety of printing processes. The indicator composition can be used to detect oxidising agents, oxygen, water, reducing agents, UV light, temperature and the passage of time.

Abstract: To provide a heat-sensitive recording material including a substrate; a heat-sensitive color-developing layer over the substrate, the heat-sensitive color-developing layer containing a leuco dye and a developer; a first protective layer over the heat-sensitive color-developing layer, the first protective layer containing a water-soluble resin and a crosslinking agent; and a second protective layer over the first protective layer, the second protective layer containing a water-soluble resin, a crosslinking agent and a pigment, wherein the heat-sensitive color-developing layer, the first protective layer and the second protective layer are formed simultaneously by curtain coating method, and the second protective layer contains diacetone-modified polyvinyl alcohol and acrylic resin or maleic acid copolymer resin.

Abstract: A document has a carrier layer and at least a functional layer. The functional layer is provided with a content of bacteriorhodopsin as color pigment and, when the document is printed generating an essentially irreversible color change in the area of the bacteriorhodopsin by a supply of energy.

Abstract: The present invention present a thermosensitive recording medium having excellent printed image quality on a thermosensitive recording surface, particularly for bar code readability, and also good record density and recording property after storage. In a thermosensitive recording medium obtained by installing on a substrate a thermosensitive recording layer containing a colorless or pale electron donating leuco dye and an electron accepting coloring agent, the water drop absorbency of the surface on which a thermosensitive recording layer is installed on said substrate is adjusted to at least 50 seconds by having at least 5 wt. % of mechanical pulp present in the substrate and controlling the sizing agent treatment of the substrate.

Abstract: In a thermal recording material having an intermediate layer and a thermal recording layer that are laminated on a support in this order, the above intermediate layer contains a swellable starch and a pigment and is formed by applying onto the support a coating liquid containing the swellable starch and the pigment in the state of being dispersed in a dispersing medium composed of water as a main component, whereby a number of voids are formed in the intermediate layer and there can be provided a thermal recording material excellent in thermal response and head-matching property.

Abstract: A dual-sided thermal form-card and method for manufacturing are provided. In an embodiment, the dual-sided thermal form card includes a dual-sided thermal form including a first side and a second side, and a dual-sided thermal card including a first side and a second side being integral with the form and detachable therefrom, wherein the form and the card are adapted to be thermally imaged from respective first and second sides thereof. In an embodiment, the method of manufacturing a dual-sided thermal form-card includes providing dual-sided thermal medium including a first side and a second side, and perforating or die cutting the dual-sided thermal medium to produce a form and a card integral to the form, wherein the form and the card are adapted to be thermally imaged from the first side and the second side.

Abstract: A thermal recording adhesive label, including a substrate; a thermal recording layer located overlying one side of the substrate, including a leuco dye and a color developer; a back coat layer located overlying the other side of the substrate; an adhesive layer located overlying the back coat layer; and a release paper located overlying the adhesive layer, wherein the thermal recording adhesive label further includes an adhesive undercoat layer comprising a thermoplastic resin and a filler between the back coat layer and the adhesive layer.

Abstract: A note pad includes: a stack of carbonless note sheets each of which includes: a substrate; and a color-developing coating layer formed on an upper surface of the substrate, and including a plurality of microcapsules and a carbonless color-developing material, each of the microcapsules encapsulating a reactive dye and being breakable, when subjected to a pressure, to release the reactive dye to react with the carbonless color-developing material for color development.

Abstract: A reversible thermosensitive recording material including a support, a reversible thermosensitive recording layer, and a gas barrier layer, the reversible thermosensitive recording layer and gas barrier layer being laid over the support, wherein the reversible thermosensitive recording layer is formed of a reversible thermosensitive composition containing a mixture of an electron-accepting compound and an electron-donating color-forming compound whose color-developed state varies depending upon at least one of a heating temperature and a cooling rate after heating, and wherein the gas barrier layer contains an inorganic layered compound and a gas barrier resin which is at least one selected from the group consisting of polyvinyl alcohol polymers and ethylene-vinyl alcohol copolymers.

Abstract: To provide a heat-sensitive recording material, including: a substrate; a heat-sensitive color developing layer on the substrate, the heat-sensitive color developing layer containing at least a leuco dye and a developer; and a protective layer on the heat-sensitive color developing layer, the protective layer containing at least a binder resin, wherein the binder resin in the protective layer contains diacetone-modified polyvinyl alcohol resin, the degree of polymerization of the binder resin in the protective layer is 1,000 to 1,800 and the degree of saponification of the binder resin is 90% or greater and less than 98%.

Abstract: A thermosensitive recording material including a polypropylene film support, a thermosensitive recording layer, a protective layer and a back layer, where the thermosensitive recording layer and the protective layer are disposed on a surface of the polypropylene film support, and the back layer is disposed on another surface of the polypropylene film support, where the back layer is a coated layer of a coating liquid containing a self-crosslinking resin emulsion, which contains a combination of at least one selected from a carbonyl group-containing acrylic resin having a Tg of 16° C. or lower and a copolymer polyester resin having a Tg of 16° C. or lower and a hydrazine derivative having a hydrazine residual group, and a quaternary ammonium polymer antistatic agent.

Abstract: The present invention provides a thermosensitive recording medium, which is excellent in stamping ability, anti-scratching ability, and water and plasticizer resistance of image area as well as in recording sensitivity, image quality and storage stability. The present invention is a thermosensitive recording medium having a thermosensitive recording layer containing at least a colorless or pale colored basic leuco dye and an electron accepting developing agent as a coating layer on a substrate, wherein at least an outermost layer among the thermosensitive recording layer and other optionally prepared coated layers contains powdered cellulose, wherein the powdered cellulose is prepared by a dry grinding process at ambient temperature.

Abstract: A label, method of printing and method of manufacture that includes a label comprising a transparent protective layer, a thermosensitive image-forming adhesive layer and a release liner. The transparent protective layer is of a thickness and weight, which permits sufficient heat to be conducted through it to the thermosensitive image-forming adhesive layer to cause thermally active dye in the thermosensitive image-forming adhesive layer to change color in the area where the heat is conducted.

Abstract: Imaging elements for dual-sided direct thermal printing are described, generally comprising a substrate and a thermally sensitive coating on each side. Calendering is provided to produce a smoothness of 75 Bekk or greater on each side of the media product. A subcoat or base coat, e.g., of calcium carbonate or clay, may be provided on paper substrates to enhance smoothness of finish and the quality of thermal printing.

Abstract: The present invention relates to a counterfeit prevention paper and manufacturing method thereof, and more particularly to currency, securities, official document and several certificates, etc. The counterfeit prevention paper according to the present invention comprises a paper and a thermopaint layer which is formed on a paper and is discolored according to a temperature. The counterfeit prevention paper according to the present invention can detect easily a counterfeit by an unaided eye. Also, a function for preventing a counterfeit is not copied by a counterfeit device, thus the counterfeit prevent paper according to the present invention can improve a reliability of various official documents and several certificates, etc.

Abstract: To provide a heat-sensitive recording material including a substrate; a heat-sensitive color-developing layer over the substrate, the heat-sensitive color-developing layer containing a leuco dye and a developer; a first protective layer over the heat-sensitive color-developing layer, the first protective layer containing a water-soluble resin and a crosslinking agent; and a second protective layer over the first protective layer, the second protective layer containing a water-soluble resin, a crosslinking agent and a pigment, wherein the heat-sensitive color-developing layer, the first protective layer and the second protective layer are formed simultaneously by curtain coating method, and the second protective layer contains diacetone-modified polyvinyl alcohol and acrylic resin or maleic acid copolymer resin.

Abstract: A transparent heat-sensitive recording material of the invention comprises (a) a transparent support; (b) a heat-sensitive recording layer containing a leuco dye and a developer and formed on the transparent support; and (c) a protective layer comprising as main components a pigment and a binder and formed on the heat-sensitive recording layer; wherein the pigment contained in the protective layer is (i) calcined kaolin and at least one main pigment selected from the group consisting of kaolin and aluminum hydroxide, or (ii) calcined kaolin, a third pigment, and at least one main pigment selected from the group consisting of kaolin and aluminum hydroxide; and the calcined kaolin is present in a proportion of 0.3 to 5 mass % relative to the protective layer.

Abstract: The present invention provides a heat-sensitive recording material with enhanced color developing sensitivity maintaining heat resistance and image storage stability characteristics such as plasticizer resistance and water resistance. The present invention provides a heat-sensitive recording material including at least a substrate and a heat-sensitive color developing layer containing a leuco dye and developers on the front surface of the substrate, wherein as the developers 4-hydroxy-4?-allyloxydiphenyl sulfone is used in combination with a first diphenyl compound represented by formula (1) and/or a second diphenyl compound represented by formula (2).

Abstract: Various multisided thermal media image elements, and methods of manufacture thereof, are presented. In one embodiment, a first media substrate is at least partially coated with thermally sensitive ink on one or more of its sides. A second media substrate is coated with the thermally sensitive ink on at least one of its sides. The second media substrate is at least partially integrated with the first media substrate to form a multisided thermal media image element, wherein at least a portion of the second media substrate is capable of being removed for independent use. The multisided first and second media substrates are adapted to be imaged via a thermal printer individually and together upon integration into the image element.

Abstract: A thermal recording material having a thermally color-forming thermal recording layer and a protective layer which are formed on a substrate in this order, wherein the protective layer is a layer obtained by applying an aqueous coating liquid containing a polyvinyl alcohol, a crosslinking agent, a pigment, an Arrhenius acid and a volatile amine onto the thermal recording layer and drying the applied coating liquid.

Abstract: To provide a heat-sensitive recording material including a substrate; a heat-sensitive color-developing layer over the substrate, the heat-sensitive color-developing layer containing a leuco dye and a developer; a first protective layer over the heat-sensitive color-developing layer, the first protective layer containing a water-soluble resin and a crosslinking agent; and a second protective layer over the first protective layer, the second protective layer containing a water-soluble resin, a crosslinking agent and a pigment, wherein the heat-sensitive color-developing layer, the first protective layer and the second protective layer are formed simultaneously by curtain coating method, and the second protective layer contains diacetone-modified polyvinyl alcohol and acrylic resin or maleic acid copolymer resin.

Abstract: In an embodiment, an image element having a thermally sensitive coating on at least a first side thereof is provided. The image element may further include an adhesive for attaching to an object such as a pharmaceutical container. Information about the object may be thermally printed on the image element.

Abstract: A thermosensitive recording medium including a support, and a thermosensitive recording layer containing a leuco dye and a developer, and formed on a surface of the support, wherein the thermosensitive recording medium comprises at least any one of diiodomethyl-p-tolylsulfone and 3-iodo-2-propynyl-butyl-carbamate.

Abstract: To provide a thermosensitive recording material, which contains: a base; a thermosensitive coloring layer containing a leuco dye and a color developer; at least one protective layer containing a resin, a crosslinking agent, and wax, wherein the thermosensitive coloring layer is disposed on the base, and the protective layer is disposed on the thermosensitive coloring layer, and wherein the resin is reactive carbonyl group-containing polyvinyl alcohol, the crosslinking agent is a hydrazide compound, and the wax is oxidized polyethylene wax.

Abstract: To provide a thermosensitive recording medium including: a support; an image recording layer on the support; and an inorganic material in particle form as a light-heat conversion material, wherein the inorganic material has a ratio of Y to X, represented by Y/X, of 2 or greater, where X denotes an average value of absorption intensities with respect to light having wavelengths in the range of 400 nm to 700 nm, and Y denotes a maximum value among absorption intensities with respect to light having wavelengths greater than 700 nm but smaller than or equal to 1,200 nm.

Abstract: Provided is a thermosensitive recording material that comprises a support, a thermosensitive coloring layer on the support, and a protective layer on the thermosensitive coloring layer, wherein the thermosensitive coloring layer comprises a leuco dye and a color developer, and the protective layer comprises a diacetone-modified polyvinyl alcohol resin and a (meth)acrylic resin.

Abstract: The present invention provides a heat-sensitive recording material having a support, a heat-sensitive color-developing layer containing a leuco dye and a developer, and a protective layer, the heat-sensitive color-developing layer and the protective layer being formed on the support, wherein carboxylic-acid-modified polyvinyl alcohol with a weight average degree of polymerization of 100 to 400 and a modification degree of 0.2 mol % to 1.0 mol % is used as a dispersing agent for dispersing the leuco dye.

Abstract: The present invention relates to a heat-sensitive recording material comprising one or more heat-sensitive recording layers, an intermediate layer and a protective layer that are formed on one side of a transparent support, and the present inventions provide a heat-sensitive recording material and a process for providing the heat-sensitive recording material, wherein the one or more heat-sensitive recording layers are formed from one or more heat-sensitive recording layer coating compositions that each contain a leuco dye and a developer, the intermediate layer is formed from an intermediate layer coating composition that contains a hydrazine-based compound and an oxazoline group-containing compound, and the protective layer is formed from a protective layer coating composition that contains a modified polyvinyl alcohol.