Abstract: Disclosed are a thermal recording material having a thermal recording layer containing an electron-donating dye precursor and an electron-accepting compound, wherein the thermal recording layer comprises an electron-accepting compound of the general formula (I), (each of R1 and R2 is a hydrogen atom or an alkyl group), and a specific aromatic phosphorus compound, and a thermal recording material wherein said thermal recording layer comprises the electron-accepting compound of the above general formula (I) and an undercoat layer formed on a substrate comprises an organic pigment having a specific morphological structure. The former thermal recording material is excellent particularly in thermal response as well as heat resistance and light resistance of a ground and images in storage, and the latter thermal recording material is excellent particularly in whiteness.

Abstract: Disclosed are a heat-sensitive recording material which comprises at least (a) a support, (b) a heat-sensitive recording layer formed on at least one side of the support and containing an electron-donating compound and an electron-accepting compound and (c) a protective layer, the protective layer being an outermost layer provided by being formed on a smooth-surfaced substrate and removing the smooth-surfaced substrate, and the protective layer surface having a distinctness of image (according to JIS K 7105-1981) of at least 75% (slit width 2 mm), as well as a process for preparing the heat-sensitive recording material.

Abstract: Disclosed are a paper support as well as a recording paper comprising the paper support and as formed thereon a recording layer, particularly a heat-sensitive recording layer, a transfer receiving layer for thermal fusion transfer recording or sublimation transfer recording or an ink receiving layer for ink-jet recording, the paper support having a security element embedded therein, the security element being a thread-shpaed or ribbon-shaped security element, and the paper support having a thickness which is at least 3 times the diameter of the thread-shaped security element or at least 3 times the thickness of the ribbon-shaped security element.

Abstract: Thermosensitive recording materials such as thermal paper have printed indicia of high quality on the back thereof printed on a backcoating. This backcoating also incorporates an optically variable compound which provides a security feature.

Abstract: A heat-sensitive recording material including, on a support, a heat-sensitive color-developable layer containing an electron-donating colorless dye and an electron-accepting compound, wherein the electron-accepting compound contains a compound represented by R1—Ph—SO2R2, and an adhesive strength when an adhesive sheet such as a revenue stamp is affixed to a recording face of a heat-sensitive recording paper made of the heat-sensitive recording material is larger than a given value, and a center line average roughness Ra75 of the heat-sensitive recording face is 2.0 ?m or less.

Abstract: Thermosensitive recording materials such as thermal paper have printed indicia of high quality on the back thereof printed on a backcoating. This backcoating also incorporates an optically variable compound which provides a security feature.

Abstract: A thermal recording material having a thermal color-forming layer which contains an electron-donating leuco-dye and an electron-receiving compound, and a protective layer formed in that order on a support. The protective layer of the material contains an inorganic dye and at least one of an amide-denatured polyvinyl alcohol and a diacetone-denatured polyvinyl alcohol.

Abstract: A heat-sensitive recording material and a recording process. The heat-sensitive recording material is excellent in head-matching property and has a good coating surface without coating failure. The heat-sensitive recording material has, on a support, a heat-sensitive recording layer, a protective layer and other layers as necessary. The protective layer contains a specific aliphatic compound derivative having at least a —CONH— structure and/or a water-soluble polymer having a specific repeating unit.

Abstract: Disclosed is a heat-sensitive recording material comprising a support and a heat-sensitive recording layer formed on the support and containing a leuco dye and a developer, the developer being N-p-toluenesulfonyl-N′-3-(p-toluenesulfonyloxy)phenylurea, and the heat-sensitive recording layer containing (a) at least one fluoran-based leuco dye with a melting point of 190 to 230° C. and/or (b) at least one pigment selected from the group consisting of aluminum hydroxide, amorphous silica, kaolin and talc.

Abstract: A heat sensitive recording material includes a support having successively disposed thereon at least a heat sensitive recording layer and a protective layer, with the protective layer containing an ammonium salt of alkylsulfosuccinic acid.

Abstract: A thermosensitive recording material comprising a support such as paper bearing thereon a first layer comprising multivoided particles and, disposed on the first layer, a thermosensitive recording layer is provided.

Abstract: A reversible thermosensitive recording medium comprising at least a reversible thermosensitive recording layer provided on a supporting substrate and, a protective layer provided on the recording layer, wherein the recording layer is arranged so as to develop a first color therein when it is heated to a specific temperature level between a second temperature and a third temperature which is higher than the second temperature and then cooled to a first temperature level between normal temperature and the second temperature which is higher than the normal temperature, while so as to develop a second color therein when it is heated to another temperature level more than a fourth temperature which is higher than the third temperature and then cooled to a particular temperature which is lower than the first temperature, and the protective layer contains at least a lubricant showing the melting point ranging from higher than or equal to the first temperature to lower than or equal to the second temperature and has

Abstract: Systems and methods of labeling optical disk recording media using black leuco dyes in an electromagnetic radiation sensitive composition are described. Black leuco dyes containing isobenzofuranone are prepared in various compositions that can include activators, radiation absorbers, non-leuco colorants, and/or a variety of carriers. The leuco dye compositions can be applied and prepared to achieve a desired visual effect upon development of the black leuco dye.

Abstract: A heat-sensitive recording material comprising a heat-sensitive recording layer and a protective layer on a support, wherein the protective layer contains an acetylene glycol represented by the following formula (1): Wherein; R1 to R4 respectively represents a hydrogen atom, a branched, straight-chain or cyclic unsubstituted or substituted alkyl group having 1 to 8 carbon atoms or an unsubstituted or substituted aryl group having 6 to 10 carbon atoms; R5 to R8 respectively represents a hydrogen atom or a methyl group; and n and m independently denotes an integer from 0 to 50.

Abstract: To provide an image recording method and apparatus that can record and display an image of free pattern without forming the complex wirings in an electrochromic material, and to reduce the manufacturing costs of the image recording apparatus employing the EC material. A recording sheet 7 having a coloring layer made of an electrochromic material and an electrolytic layer with an increasing electrical conductivity in a specific temperature range is employed, and a recording head 13 with a plurality of heating elements arranged in a linear direction is moved relative to the surface of the recording sheet 7 in the direction orthogonal to the linear direction while at the same time a voltage is applied to the front and back faces of the recording sheet 7, thereby selectively heating the heating elements 11. Thereby, a coloring reaction is caused only in a part where heat is applied by the heating elements of the recording sheet 7 and voltage is applied to form an image on the recording sheet 7.

Abstract: A thermally imageable element can be imaged using heat alone without the need for photosensitivity or post-imaging processing. The element contains image-forming chemistry that comprises i) image precursor chemistry and ii) a catalyst or a catalyst precursor that upon imagewise heating is capable of promoting thermally induced image formation with the image precursor chemistry. The image-forming chemistry i) and ii) components are in reactive association and uniformly dispersed or dissolved within a binder in one or more layers of the element. Thus, the element is capable of being thermally addressed to provide a visible image as a result of thermally induced catalytic transformation of the image-forming chemistry.

Abstract: The present invention relates to an image element for dual-sided imaging. The image element may include a substrate having first and second surfaces, a first coating, and a second coating. Generally, the first coating is applied to the first surface, where the coating includes a first imaging material for creating, in situ, a first image; and the second coating is applied to the second surface, where the coating includes a second imaging material for creating, in situ, a second image.

Abstract: A reversible thermosensitive recording material including: a substrate; a recording layer located overlying the substrate and including a crosslinked resin, an electron donating coloring agent and an electron accepting coloring developer; and a protective layer located overlying the recording layer and including a filler and a crosslinked resin, wherein the recording layer achieves a colored state or a non-colored state when appropriately heating and cooling the recording layer, and wherein the reversible thermosensitive recording material has a surface having at least one of a ten-point mean roughness (Rz) not less than 1.5 &mgr;m or a ratio Sm/Rz not greater than 120, wherein Sm represents an average peak-to-peak length of the surface of the recording material.

Abstract: A metallic luster tone thermochromic laminate member 1, which comprises a laminate of a metallic luster layer 2 containing a metallic luster pigment prepared by coating the surface of a synthetic mica or thin section aluminum oxide with a metal oxide and a reversible thermochromic layer 3 containing a thermochromic composition comprising an electron-donating color-forming organic compound, an electron-accepting compound and an organic compound medium in which color reactions of both compounds take place reversibly. The metallic luster tone thermochromic laminate member can visualize metallic luster colors having glittering high brightness and distinct changes in color by its reversible thermochromic layer so that it can be used in versatile applications and developments.

Abstract: A leaf of printed matter has a metachromatic image 2 printed with an ink thermally changing its color and a non-metachromatic image 3 of a colorant not changing its color. A principal figure 5 is formed of the colorant, and a background 6 is formed with the metachromatic ink. The printed matter 1 may be used to transfer its images to a cup 10. The ink of the background scene 6 in the outer layer will turn to colorless within a prescribed range of temperatures, rendering visible only the central principal figure 5. At lower temperatures, the metachromatic ink will restore its color to cause the background for instance a snowy scene to appear, thus affording a novel and fantastic visual effect.

Abstract: A thermosensitive recording material having a support, a thermosensitive recording layer containing a leuco dye and a color developer, and an intermediate layer interposed therebetween. The intermediate layer contains hollow particles having a hollowness of 60 to 98%, a maximum particle diameter (D100) of 5.0 to 10.0 &mgr;m and a ratio D100/D50 of the maximum particle diameter (D100) to the median volume equivalent particle diameter (D50) in the range of 1.5 to 3.0. The hollow particles may be composed of a crosslinked polymer of a chlorine-free vinyl monomer.

Abstract: The invention provides a thermal recording material comprising a support and at least one thermal recording layer disposed on the support, wherein the layer comprises at least one electron-accepting compound, and microcapsules, which encapsulate an electron-donating dye precurser and are formed using a compound represented by the following general formula (I) and a compound represented by the following general formula Formula (II): wherein each of R1 and R2 represents an alkyl group; n is an integer selected from 0 to 3; and M represents Na, Mg, K or Ca.

Abstract: A heat-sensitive recording material which has a heat-sensitive recording layer formed on a surface of a substrate, the recording layer comprising a basic chromogenic dye precursor and a developer, wherein as the developer, there is used a mixture comprising 5 to 95 wt % of 2,2-dimethyl-1,3-bis(4-hydroxybenzoyloxy)propane and 95 to 5 wt % of 4,4′-hydroxydiphenyl sulfone.

Abstract: The present invention provides a high-quality heat-sensitive recording material which can prevent curling attributed to an environmental change or heating during recording, is free of deformation of the material, and is applicable to a wide variety of fields. The heat-sensitive recording material of the present invention has at least a heat-sensitive recording layer on one side of a support and a back coat layer on the other side, wherein the back coat layer comprises a plurality of layers, and the outermost layer in the back coat layer most remote from the support contains an inorganic lamellar compound and/or polyvinyl alcohol. The inorganic lamellar compound is preferably water-swelling synthetic mica.

Abstract: A recording material having a resin layer which contains a high concentration of a water-soluble resin such as polyvinyl alcohol, and which has excellent gas blocking property and flatness. Image defects such as non-uniform color and the like do not arise at the recording material. The recording material has, on a support, a recording layer which can form color due to application of heat and/or pressure thereto. At least one resin layer is provided between the support and the recording layer. The resin layer is formed by coating a low viscosity coating solution, and easily forms a flat surface by leveling.

Abstract: A heat-sensitive recording material having a heat-sensitive recording layer on a substrate. An outermost layer from the substrate contains microparticle-aggregation particles. The microparticle-aggregation particles are preferably formed by silica microparticles, and the outermost layer is preferably a protective layer. The microparticle-aggregation particles have hardness such that soiling of a thermographic printing head is low, and softness such that wear of the thermographic printing head is low.

Abstract: A new direct thermal printable media includes an optically transmissive film that gives both form and protection to a layer of thermosensitive imaging material on a back surface of the film. Concentrations of heat applied to a front surface of the film form images within the thermosensitive layer that are visible through the film. A substrate is laminated to the thermosensitive layer on the back surface of the film for providing additional support independently of physical and chemical properties required for directly supporting thermosensitive imaging material.

Abstract: A thermally imageable element can be imaged using heat alone without the need for photosensitivity or post-imaging processing. The element contains image-forming chemistry that comprises i) image precursor chemistry and ii) a catalyst or a catalyst precursor that upon imagewise heating is capable of promoting thermally induced image formation with the image precursor chemistry. The image-forming chemistry i) and ii) components are in reactive association and uniformly dispersed or dissolved within a binder in one or more layers of the element. Thus, the element is capable of being thermally addressed to provide a visible image as a result of thermally induced catalytic transformation of the image-forming chemistry.

Abstract: A roll-shaped thermosensitive recording material having a thermosensitive recording layer, which includes as main components an electron donating coloring agent, an electron accepting color developer and a binder resin and which is formed overlying a substrate, wherein the roll-shaped thermosensitive recording material has a variation (R) of thickness of in the lateral direction of not greater than 3 &mgr;m. Alternatively, the roll-shaped thermosensitive recording material has a difference in thickness between the left side and the right side in the lateral direction of not greater than 0.7 &mgr;m.

Abstract: In the invention, a recording material containing a support having a recording layer thereon capable of forming a color by the application of heat and/or pressure is provided, and the material further contains at least one layer containing acetoacetyl-modified polyvinyl alcohol and a hardening agent between the support and the recording layer. The hardening agent is a compound having, in one molecule thereof, two or more vinyl groups adjacent to a substituent having a positive Hammett's substituent constant &sgr;p.

Abstract: A heat-sensitive recording material, comprising a layer support, on whose front face a heat-sensitive recording layer is arranged, containing a colorant precursor and a colorant acceptor which undergoes a colorant formation reaction when it comes into contact with the colorant precursor, an intermediate layer arranged between the layer support and heat-sensitive recording layer, a protective layer that is free from compounds containing silicone, is hardened by actinic radiation and covers the heat-sensitive recording layer and a self-adhesive layer arranged on the back of the layer support, is used as a label material which can be wound on a roll and printed by the offset or flexographic printing process and in which the self-adhesive layer is in contact with the protective layer in the roll.

Abstract: Printing inks and printing systems which contain near infrared fluorescent compounds and U.V. absorbing pigments provide print media with coatings, sense marks and data images containing NIRF compounds and U.V absorbing pigments with improved light stability. These printing inks and printing systems can be modified for use in a wide variety of printing methods. The print media obtained contains detectable NIRF compounds after the equivalent of 6 months exposure to indoor U.V. light.

Abstract: A new direct thermal printable media includes an optically transmissive film that gives both form and protection to a layer of thermosensitive imaging material on a back surface of the film. Concentrations of heat applied to a front surface of the film form images within the thermosensitive layer that are visible through the film. A substrate is laminated to the thermosensitive layer on the back surface of the film for providing additional support independently of physical and chemical properties required for directly supporting thermosensitive imaging material.

Abstract: The present invention is to provide a thermally sensitive recording type adhesive label possessing a thermally sensitive recording layer on a substrate, and an adhesive layer and a release paper on the reverse side of the substrate, wherein said substrate is a neutral paper containing a wet strength reinforcing agent and further containing 5-20 wt. % of a filler to the total weight of pulp.

Abstract: A thermosensitive recording material having a support, a thermosensitive recording layer containing a leuco dye and a color developer, and an intermediate layer interposed therebetween. The intermediate layer contains hollow particles having a hollowness of 60 to 98%, a maximum particle diameter (D100) of 5.0 to 10.0 &mgr;m and a ratio D100/D50 of the maximum particle diameter (D100) to the median volume equivalent particle diameter (050) in the range of 1.5 to 3.0. The hollow particles may be composed of a crosslinked polymer of a chlorine-free vinyl monomer.

Abstract: A heat-sensitive recording material includes a support having disposed thereon a heat-sensitive recording layer and a protective layer. The heat-sensitive recording layer contains at least two components that react to develop color by imagewise heating. At least one layer contains a compound represented by the following general formula (I). In the general formula (I), R represents a hydrophobic group or a hydrophobic polymer, and n represents an integer.

Abstract: A multi chromatic thermally sensitive recording medium comprising, a higher temperature color developing layer containing dye precursor and an organic color developer that reacts with said dye precursor and develops color by heating, and at least one lower temperature color developing layer that develops different color from that of said higher temperature color developing layer and develops color by lower temperature than the color developing temperature of said higher temperature color developing layer laminated in order on a substrate, wherein an organic color developer contained in said higher temperature color developing layer contains said diphenylsulfone bridgeable type compound represented by general formula (1) and/or said 3-{[(phenylamine)carbonyl]amino}benzenesulfoneamide compound represented by general formula (2), wherein, X and Y can be different and indicates a saturate or an unsaturated liner or grafted hydrocarbon group of carbon number 1 to 12 which can

Abstract: A single ply carbonless form is provided where a sheet is divided into a first portion and a second portion. A coating of CF is applied to the first portion and a coating of CB is applied to the second portion, both on the same side of the sheet. A quantity of temporary tacking agent is applied to the back face of the sheet such that, upon folding the sheet in a manner where the CF and CB portions are not in contact with each other, the first portion is releasably held against the second portion. The form may then be sheet fed into a printing device, preferably using the folded edge as the leading edge. Subsequent to printing, the form may then be re-folded such that the CF and CB coating suitably line up for receiving impact impressions.

Abstract: A heat sensitive recording material includes a support having successively disposed thereon at least a heat sensitive recording layer and a protective layer, with the protective layer containing an ammonium salt of alkylsulfosuccinic acid.

Abstract: A recording material comprising: a support; and (A) a recording layer capable of forming color due to application of at least one of heat and pressure thereto; and between the support and the recording layer, (i) a layer containing acetoacetyl denatured polyvinyl alcohol, partially saponified polyvinyl alcohol, and a film hardening agent, (ii) a layer containing acetoacetyl denatured polyvinyl alcohol and a film hardening agent, and (iii) a layer containing acetoacetyl denatured polyvinyl alcohol whose degree of polymerization is 1000 or more, or (B) between the support and the recording layer, at least one layer containing acetoacetyl denatured polyvinyl alcohol, partially saponified polyvinyl alcohol, and a film hardening agent, wherein the layer is coated with a coating solution whose viscosity is no more than 0.3 Pa·s at 40° C. by using a gravure roller.

Abstract: An activatable time-temperature indicator system useful in tracking the thermal exposure history of a temperature-sensitive perishable product and providing a visually-distinct signal, such as a change in color density, at the expiration of a predetermined time-temperature integral comprises a first element, such as a direct thermal printing label (11), comprising a composition (13) having at least a first co-reactant of a color-forming reaction. A second, activator element, such as an adhesive tab (21) capable of being affixed to the label element, comprises an activator component (25), such as a second co-reactant of the color-forming reaction or a solubilizing agent for prompting the interaction of the co-reactants of the label composition. The activator tab element is affixed to the label composition to activate for reaction at ambient conditions the normally high-temperature color-forming composition (13) of the label at about the same time as the label is affixed to the perishable product.

Abstract: The present invention provides an emulsion for thermal recording material to be used as the resin component of a protective layer constituting a thermal recording material, characterized by comprising a copolymer resin (A) prepared by copolymerizing (a) methacrylamide with (b) a vinyl monomer having a carboxyl group and resin particles (B) prepared by polymerizing (c) a vinyl monomer, with the resin (A) distributed substantially on the surfaces of the resin particles (B).

Abstract: A self-contained sheet for forming an image comprising a support, a first layer of microcapsules containing a color precursor of the electron donating type in a carrier liquid on the surface of the support, a layer of microspheres overlying the microcapsule layer, and a developer material present in at least one of the microcapsule layer or microsphere layer, wherein the developer material can react with the color precursor to form a visible image when the color precursor is released from the microcapsules.

Abstract: A carbonless copy assembly made up of at least one CB sheet and one CF sheet, the CF sheet having a color developer resin coating of less than 0.39 pounds per ream. A process for making the carbonless copy paper assembly comprising the steps of: spraying a composition containing resin capable of developing microencapsulated dyes onto a base sheet to form a CF sheet, and combining that CF sheet with a CB sheet to form the carbonless copy paper assembly.

Abstract: A heat-sensitive recording material comprising a heat-sensitive recording layer and a protective layer on a support, wherein the protective layer contains an acetylene glycol represented by the following formula (1):

Abstract: A thermal recording media has a base sheet, a thermal recording layer arranged on one side of the base sheet, and a back layer arranged on an opposite side of the base sheet.

Abstract: Disclosed are (1) a heat-sensitive recording material comprising a support, a heat-sensitive recording layer comprising a leuco dye and a developer, and a protective layer comprising a resin in the form of a film, the protective layer being obtained by coating the heat-sensitive recording layer with a protective layer aqueous coating composition comprising at least resin particles having a core/shell structure and then drying the coating, wherein the resin in the form of a film formed of said resin particles having a core/shell structure is present in an amount of not less than 80 mass % of the total solids of the protective layer, and the protective layer having a gloss (based on JIS P 8142) of not less than 80%, (2) a heat-sensitive recording material comprising an interlayer between the heat-sensitive recording layer and the support of the heat-sensitive recording material (1), as well as processes for preparing these heat-sensitive recording materials.

Abstract: The present invention provides a recording material comprising a support, a recording layer provided on the support, and at least one protective layer provided on the recording layer, wherein, the recording layer contains a coloring component A encapsulated in heat-responsive microcapsules, and a substantially colorless compound B, which is outside the heat-responsive microcapsules and has a coloring site that colors when reacted with the coloring component A, and wherein, at least one of the protective layer or a layer adjacent thereto comprises a layer containing titanium oxide.

Abstract: This invention relates to a lamination comprising: a substrate having a first side and a second side; a thermally responsive coating layer overlying said first side of said substrate, said thermally responsive coating layer being capable of forming an image when heat is selectively applied to said thermally responsive coating layer; a light transmissive protective layer overlying said thermally responsive coating layer, said light transmissive protective layer having an image receiving surface and being capable of transmitting heat applied thereto to said thermally responsive coating layer; and an adhesive layer positioned between said light transmissive protective layer and said thermally responsive coating layer. In one embodiment, the lamination further comprises another light transmissive protective layer positioned between the thermally responsive coating layer and the adhesive layer.

Abstract: A thermosensitive recording material has a support, a thermosensitive recording layer formed thereon, containing an electron-donating coloring compound, an electron-accepting compound a binder resin, and a protective layer formed on the thermosensitive recording layer, which contains an ultraviolet-curing resin and a copolymer resin containing a silicone component as a copolymerizing component.