Abstract: To provide a thermosensitive recording material that is superior in uniformity, makes it possible to obtain images with high glossiness and has less curl, in which a synthetic paper having a multilayer structure serves as a support. Specifically, there is a thermosensitive recording material including: a support, and a thermosensitive recording layer containing a leuco dye and a color developer on the support, wherein the support is a synthetic paper having a multilayer structure, and an inorganic pigment is contained only in a base layer of the synthetic paper; also, two layers which are formed solely of polypropylene and which contain no inorganic pigment are laid one on top of the other on the base layer containing an inorganic pigment; further, all layers are biaxially stretched.

Abstract: A dye resin ink application process using flexographic printing, flood coating, tinting, or other suitable technique or process to add a color layer on top of a thermal ink layer of a material. The color layer provides a background color, such that upon application of the heat source, the thermal image appears as being imaged onto the background color. The process can be used to make heat-sensitive direct thermal labels or thermal paper rolls, including cash register-type rolls, poster printer format rolls, etc. The process permits thermal-inked material to be produced in various colors in relatively small print runs using conventional equipment.

Abstract: A recording material including a certain support and disposed thereon at least one layer including certain core/shell polymeric particles, the particles having, when dry, at least one void is provided. A method for providing an image using the recording sheet is also provided.

Abstract: A heat-sensitive recording material including: a substrate; a heat-sensitive color developing layer over the substrate, the heat-sensitive color developing layer composed mainly of a leuco dye and a color developer that develops color of the leuco dye upon heating; and a protective layer over the heat-sensitive color developing layer, the protective layer composed mainly of a water-soluble resin and a crosslinking agent, wherein the protective layer contains diacetone-modified polyvinyl alcohol as the water-soluble resin, and N-aminopolyacrylamide as the crosslinking agent.

Abstract: A print media representing a label is constructed having two components. A first component is capable of being thermally imaged on both a front and back side of the print media. The second component is affixed to the first component but capable of being separated there from. Also, the second component includes adhesive material along a portion of its backside to adhere the print media to an object.

Abstract: A multi-layer laminate media is provided on which information may be applied in machine or human readable form on a visible front surface by the output of one or more lasers, or other high intensity light source. In a preferred embodiment, the media has three layers including preferably transparent substrate, a thermochromic layer and a light absorbent layer located intermediate the media substrate and the thermochromic layer. The light absorbent layer is adapted to absorb light from the light source and convert the absorbed light into heat. The heat is immediately conducted into selected portions of the thermochromic layer which is in thermal contact with the light absorbent layer, causing portions of the thermochromic layer to change visual appearance such as color to create the desired mark. The media optimally includes obscuration materials to reduce the visibility of the light absorbent layer to the naked eye.

Abstract: A structure formed of a resin material with a built-in recording medium comprising at least a means for rewriting visible information with a laser light in a non-contact manner; a laminate comprising the structure and a method for recording in the non-contact manner using the structure or the laminate are disclosed. The recording and erasing of information in the recording medium can be conducted by irradiation with a laser light from outside. The laser light transmittance in a used wave length range and the visible light transmittance through a portion of the structure from a surface on which the laser light is irradiated to the recording medium are in a specified range. Surface destruction of the recording medium due to laser light on rewriting visible information, decrease in durability during cleaning, damages on the recording medium during transportation and deterioration in the color developing property due to light can be overcome.

Abstract: Imaging layers, optical disks, and methods of preparation of each, are disclosed.

Abstract: Exemplary embodiments provide compositions and methods for making and using an erasable medium that can include a photochromic layer disposed over a substrate. The photochromic layer can include one or more photochromic molecule-polymer systems, wherein each of the one or more photochromic molecule-polymer systems can include a photochromic molecule covalently bonded within a polymer main chain, the photochromic molecule including one or more photochromic moieties (PM) linked together via a linker.

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: The present invention provides a thermal paper composite precursor comprising (a) a substrate layer; and (b) a base layer positioned on the substrate layer, the base layer comprising a binder and at least one porosity improver wherein the thermal paper composite precursor has a thermal effusivity that is at least about 2% less than the thermal effusivity of porosity improver-less thermal paper composite precursor. The thermal paper composite precursor is useful in making thermal paper composite.

Abstract: Disclosed herein in a preferred embodiment is a recording material comprising a substrate and a coating comprising at least 3 plies, wherein the outermost ply contains nanoparticles and the inner plies together contain at least one color former, at least one color developer, at least one absorber and at least one solubilizer, and no ply contains both a color former and a color developer. Also disclosed is a process for producing the recording material of the invention and also to a laser marking process wherein the recording material is irradiated with a laser.

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: A reversible thermosensitive recording medium including a reversible thermosensitive recording layer, a first sheet-shaped base provided adjacent to the reversible thermosensitive recording layer, an electronic information recording module containing a module substrate, and a convex-shaped electronic information recording element and an antenna circuit both disposed on the module substrate, and a first resin layer for bonding the first sheet-shaped base and the electronic information recording module, wherein the first sheet-shaped base has a concave portion on a surface opposite to a surface on which the reversible thermosensitive recording layer is formed, and the electronic information recording element is inserted into the concave portion of the first sheet-shaped base.

Abstract: A heat-sensitive recording medium is presented, comprising a substrate (2) with a first side and a second side remote therefrom a heat-sensitive recording layer (4) which is placed on the first side of the substrate (2) and comprises at least one colorant precursor and colour acceptor, the colorant precursor and colour acceptor reacting with one another under the influence of heat to form a colour, a printed protective layer (9) which covers the recording layer (4), is crosslinkable and crosslinked under the influence of energy-rich radiation and is based on (meth)acrylates, characterised in that the protective layer (9) contains from 65 to 95% by weight of one or more (meth)acrylates, selected from the group comprising polyether(meth)acrylate, epoxy(meth)acrylate and urethane(meth)acrylate from 0 to 20% by weight of photoinitiators and from 0.

Abstract: If an ultraviolet curing resin is colored by contamination by another substance, there have been issues regarding increased cost and the environmental burden of treating the waste solution due to an inability to recycle the resin as it is. The ultraviolet curing resin that is in a colored, uncured state is decolored in the present invention by irradiation of light having a wavelength in the vicinity of the maximum absorption wavelength of the coloring material, and then recycled. As a result, it is possible to reduce costs and contribute to the protection of the environment.

Abstract: The invention relates to a method for producing thermosensitive recording material, comprising a carrier substrate and a thermal reaction layer containing a color former and a color developer. According to the invention, an application suspension, containing the starting materials of the thermal reaction layer, is applied to the carrier substrate and the carrier substrate is subsequently dried with the applied application suspension. Then the dried carrier substrate with the applied thermal reaction layer is guided through a smoothing mechanism in order to be smoothed, wherein the dried carrier substrate with the applied thermal reaction layer is pressed extensively against a roller by means of a predetermined contact pressure. The invention also relates to a recording material which is produced according to the inventive method.

Abstract: The present invention provides a laser-sensitive recording material, which comprises a substrate being coated with a recording layer and an undercoating layer, wherein the recording layer undergoes a colour change upon heat treatment produced by laser irradiation and wherein the undercoating layer comprises a pigment with the proviso that the system of the recording layer that undergoes a colour change upon heat treatment produced by laser irradiation does not comprise an organic leuco dye and an organic colour developer, a process for its preparation, a process for marking the laser-sensitive recording material and the marked laser-sensitive recording material.

Abstract: The objective of the present invention is providing autonomous timing labels for indicating the aging and expiration of a time period of products through gradual changing of their color. The color change can be coded to run, for example, from blue for newly produced products to red with product aging thus allowing easy monitoring, quick identification, and visual warning when the elapsed time approaches and reaches the recommended or safe use time. Said labels comprise thin films of photonic bandgap materials such as cholesteric liquid crystals containing photoisomerizable molecules that are transformed into the state of isomers possessing with finite lifetime with the aid of exposure of the material to UV light. The change of the reflection wavelength of the photonic bandgap material takes place according to changing concentration of said isomers as a result of spontaneous relaxation to their equilibrium state. Said labels can be reused by UV light exposure.

Abstract: A device for obscuring printed indicia includes a printable substrate, an indicia printed on a first surface of the substrate, an irreversible thermochromic material operably associated with the printable substrate which does not affect readability of the indicia when not subjected to a predetermined critical temperature and when subjected to the predetermined critical temperature renders the indicia unreadable by virtue of a color change surrounding the indicia. The indicia can be a barcode. Methods of obscuring and use include the device.

Abstract: An identification device in the form of a wristband, labels, tags or cards, including a clear thermal sensitive coating laminated between a clear plastic coating and a liner ply having colored regions or printed matter. The colored regions or printed matter is visible through the clear thermal sensitive coating and clear plastic coating until the thermal sensitive coating is activated and becomes selectively opaque. The clear plastic coating having a uniform thickness allows for reliable thermal printing on the thermal sensitive coating with the clear plastic coating in place.

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: There are provided a thermal printing layer capable of thermal printing with a thermal head, and an optical recording medium. It is a thermal printing layer capable of thermal printing with a thermal head, which comprises a heat-sensitive color development material, a developer, and a curable resin, wherein the curable resin has an elastic modulus of 1000 Pa or more at 30° C. and an elastic modulus of 1100 Pa or less at 150° C. Also, it relates to an optical recording medium comprising the thermal printing layer and a recording/reading functional layer for performing recording or reading with a light, wherein the optical recording medium has the thermal printing layer on a side of the recording/reading functional layer in which the side is opposite to a side on which the light enters.

Abstract: The present disclosure provides a reusable and reimageable medium including a substrate coated with a photochromic polymer. The photochromic polymer has a glass transition temperature ranging from 30° C. to 150° C., such as from about 30° C. to about 100° C., and the coated substrate converts to a colored state when both UV light and temperatures ranging from 30° C. up to 100° C. are applied to the coated substrate. The present disclosure also provides a method for producing and using the reusable and reimageable medium.

Abstract: An image-forming medium and methods for forming and imaging the medium are provided. The disclosed medium can be strongly colored under room illumination (or deliberate UV) and can be selectively discolored at an appropriate light wavelength to form an image. In one embodiment, the image-forming medium can include a substrate (e.g., a sheet of paper), a photochromic material incorporated with the substrate, and a photo-absorbing material incorporated with the photochromic material. Exemplary methods for using the image-forming medium to make a transient image can include first forming the image-forming medium by applying a coating solution containing photochromic material to the substrate or paper. The image-forming medium can have a medium color and can then be selectively exposed to a radiation through a mask to convert the photochromic material from a colored form to a colorless form and thus to form an image having a color contrast with its background.

Abstract: A thermosensitive recording medium including a support; a layer containing a photothermal conversion material, formed over a surface of the support; and an oxygen blocking layer formed over a surface of the layer opposite to a surface thereof over which the support is formed, wherein the layer further contains a resin, which is in a cross-linked state, and the photothermal conversion material absorbs a light having a specific wavelength and converts the light into heat, and wherein the oxygen blocking layer has an oxygen permeability of 0.5 mL/(m2·24 hr·atm) or less at 25° C. and 80% RH.

Abstract: The present invention provides an image recording material support which contains a paper, wherein the paper contains at least a pulp; and the content ratio of long fiber pulp having a fiber length of 0.7 mm or more in the paper relative to the entire pulp content is 20% or less; and also provides a method for producing an image recording material support which includes beating a pulp using a refiner equipped with beating plates having an average blade angle of 10 degrees or less.

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 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: Disclosed herein are compositions derived from a polycarboxylic acid, and an ionic liquid. The compositions can be used to prepare thermal transfer donor elements.

Abstract: The present invention provides a heat-sensitive recording material that comprises a support, a heat-sensitive recording layer comprising a leuco dye and a developer, and a protective layer principally comprising a pigment and a binder. The support, the heat-sensitive recording layer, and the protective layer are provided in this order. The protective layer comprises: (1) a pigment of secondary particles with an average particle diameter of 30 to 900 nm formed by aggregation of amorphous silica primary particles with a particle diameter of 3 to 70 nm; or (2) a pigment of secondary particles with an average particle diameter of 30 to 900 nm formed by aggregation of amorphous silica primary particles with a particle diameter of 3 to 70 nm, and a binder comprising acetoacetyl modified polyvinyl alcohol with a saponification degree of 90 to 100 mol % and a polymerization degree of 1900 to 5000.

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: A thermal recording material comprises a support and a thermal recording layer formed thereon, the thermal recording layer containing an electron-donating dye precursor and an electron-receiving developer that causes said dye precursor to develop a color, wherein said thermal recording layer contains vapor-phase synthesis silica, preferably, the vapor-phase synthesis silica has a specific surface area, measured by a BET method, of 50 to 200 m2/g and further is doped with aluminum oxide, and the thermal recording layer further contains the above vapor-phase synthesis silica and a diphenyl sulfones-bridged type compound, and the thermal recording material is excellent in anti-sticking property and image stability.

Abstract: A description is given of a heat-sensitive recording material comprising: a sheetlike carrier; a thermoreactive layer on at least one side of the sheetlike carrier; and an interlayer, formed between the sheetlike carrier and the respective thermoreactive layer, which comprises hollow-sphere pigments embedded in a binder; and also, if appropriate, comprising top layers and/or further layers. This recording material is characterized in that the hollow-sphere pigments take the form of a composite pigment, with nanoscale pigment particles attached to the surface of an organic hollow-sphere pigment. This material can be produced inexpensively at high operating speed. The interlayers that are proposed in accordance with the invention exhibit optimum insulation capacity. They also have the effect of reducing or preventing the unwanted phenomenon of the text showing through, particularly when the thermoreactive layers are formed on both sides of the sheetlike carrier.

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 a liquid in the amorphous form, the liquid having 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 the liquid form can be effected by the application of thermal energy or by other imaging techniques.

Abstract: An ink formulation comprises a marking component, e.g. ammonium octamolybdate, and a metal salt that absorbs laser irradiation at 780-2500 nm, e.g. reduced indium tin oxide, and thereby causes the marking component to change colour.

Abstract: The present invention relates to a unique dual color security paper authentication system. The authenticating system comprises the combination of a security paper together with a coordinated applicator. The paper contains a starch, an iodide salt and an acidic developer resin. The applicator of the system comprises two authenticating solutions. The first authenticating solution comprises one or more of a sulfonamide and a copper salt dispersed in a solvent. The second authenticating solution comprises one or more of a leuco and fluoran dye precursor dispersed in a solvent. On applying the authenticating solutions to authentic security paper, a first color of a starch iodine is expressed and a second color of a leuco or fluoran dye is expressed.

Abstract: A thermal paper with a fluorescent security mark printed on the thermosensitive coating that is responsive to wavelengths in the range of 200 nanometers to 400 nanometers. The mark is either printed on the thermosensitive coating directly or on an optional protective top coat positioned over the thermosensitive coating. Methods of preparing the thermal paper comprise printing a solution, dispersion or emulsion of a fluorescent compound on the thermal paper by flexographic printing.

Abstract: The present invention provides a thermosensitive multiple recording sheet characterized in that a second base material having light transmission properties is attached to the side of a first thermosensitive recording layer of a first thermosensitive recording sheet comprising a first base material and the first thermosensitive recording layer formed on one surface of the first base material, through a temporary adhesive layer, the second base material is composed of an information disclosing portion and an information non-disclosing portion, a shielding layer is formed at the position corresponding to the information non-disclosing portion on the second base material, and an ultraviolet curable resin layer are formed as an outermost layer of the sheet.

Abstract: A heat-sensitive recording material has a support, and a heat-sensitive recording layer including at least a leuco dye, a developer and a binder. The heat-sensitive recording layer contains secondary particles with an average particle diameter of 30 to 900 nm formed by aggregation of primary particles of amorphous silica with a particle diameter of at least 3 nm and less than 30 nm, and optionally a basic pigment. A protective layer may be formed on the heat-sensitive recording layer.

Abstract: An objective is to provide a light sensitive planographic printing plate material exhibiting excellent tone reproduction, printing durability and anti-stain property during printing at high printing pressure; a support employed for the material; a manufacturing method thereof; and a plate-making method of the light sensitive planographic printing plate material. Also disclosed is a method of manufacturing a support for a planographic printing plate material, possessing the steps of conducting specific treatments on an aluminum plate as the support in that order, wherein the aluminum plate in each of the following methods comprises a Mg content of 0.1-0.4% by weight, a Ga content of 0.001-0.02% by weight, and an Al content of at least 99.0% by weight.

Abstract: A wallpaper having a thermochromic material layer and a manufacturing method thereof are disclosed where colors of a wallpaper having a thermochromic material layer change by a surrounding or human body temperature so information concerning surrounding temperature or human body health state is provided, and a user does not feel tedious about colors of a wallpaper. The manufacturing method of a wallpaper having a thermochromic material layer comprises forming a wallpaper substrate; forming at least one plane heater on the wallpaper substrate; forming at least one thermochromic material layer on the wallpaper substrate or the plane heater; forming at least one protection layer on the wallpaper substrate so that the thermochromic material layer and the plane heater are substantially covered; and forming a power supply and control means on the wallpaper substrate for supplying power to the plane heater and controlling temperature.

Abstract: An identification device in the form of a wristband, labels, tags or cards, including a clear thermal sensitive coating laminated between a clear plastic coating and a liner ply having colored regions or printed matter. The colored regions or printed matter is visible through the clear thermal sensitive coating and clear plastic coating until the thermal sensitive coating is activated and becomes selectively opaque. The clear plastic coating having a uniform thickness allows for reliable thermal printing on the thermal sensitive coating with the clear plastic coating in place.

Abstract: A thermally-sensitive recording medium having a protecting layer formed on a thermally-sensitive recording layer containing a colorless or pale-colored electron-donating leuco dye and electron-accepting color-developing agent. The thermally-sensitive recording layer is formed on a substrate, and the protecting layer contains a resin that contains a carboxyl group, epichlorohydrin resin and modified polyamine/amide resin, and the thermally-sensitive recording medium exhibits sufficient resistant against water such as rain or humidity, and further is excellent in printing run-ability (head debris and sticking) and sensitivity.

Abstract: An object of the present invention is to provide an image formation material exhibiting exposure visualization with excellent color development, and further to provide a printing plate material exhibiting excellent on-press developability, accompanied with excellent exposure visualization and printing durability. Also disclosed is an image formation material possessing a support and provided thereon, a thermosensitive image formation layer, wherein the thermosensitive image formation layer comprises water-insoluble particle (A), electron providing dye precursor (B) and electron accepting dye color developing agent (C), and at least one of the precursor (B) and the color developing agent (C) is provided on a surface of the particle (A).

Abstract: A thermal recording sheet comprising, on one surface of square, transparent film, a thermal recording layer containing leuco dye and a coloration agent and a protection layer mainly containing water-based resin, wherein corner parts (1a, 1b, 1c, 1d) including at least one marked corner part (1a) are provided at its four corners. The corner parts (1a, 1b, 1c, 1d) respectively have end edges each with radius of curvature of at least 5 mm, and the end edge of the marked corner part (1a) is provided substantially with a maximum radius of curvature or a minimum radius of curvature.

Abstract: In the present invention, a dispersion that has excellent dispersion efficiency, shows hardly any premature graying, and exhibits excellent dispersion stability and storage stability when heated is prepared, and the thermal recording material excellent in color developing sensitivity and whiteness of the background is provided. The present invention provides a thermal recording material including a support and a thermosensitive coloring layer that is provided on the support and contains an electron-donating colorless dye and an electron-accepting compound, wherein the thermosensitive coloring layer contains a polyvinyl alcohol-based resin (A) containing a carboxyl group that has been produced by saponification of polyvinyl ester obtained by the polymerization in the presence of aldehydes or ketones and that has an absorbance at 280 nm of 0.20 to 0.85 obtained from an ultraviolet absorption spectrum of a 0.1 wt % aqueous solution thereof.

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 heat resistance improver including a heat resistance improving component which has a benzotriazole skeleton having an electron attractive group and a reactive aliphatic hydroxyl group or a reactive aliphatic mercapto group, wherein the heat resistance improver is used in a reversible thermosensitive recording medium.

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.