Abstract: A heat-sensitive recording material includes a substrate, a heat-sensitive recording layer provided on the substrate, and a protective layer provided on the heat-sensitive recording layer. When the heat-sensitive recording material is image formed by an application energy of 120 mJ/m2, a surface roughness (Ra value) of an image-formed surface of the heat-sensitive recording material after image forming is 0.7 &mgr;m or less. The protective layer contains at least a long-chain alkyl ether-denatured polyvinyl alcohol, waxes, and inorganic ultra fine particles having an average primary particle size of at most 0.1 &mgr;m. The heat-sensitive recording material has excellent head properties, specifically, excellent friction resistance with respect a heat-sensitive recording head and excellent lubricity, no adherence of residues at the heat-sensitive recording head, and improved travelling property and scratch resistance, while maintaining gloss of the heat-sensitive recording material.

Abstract: The present invention is a thermally sensitive recording medium which has excellent anti ultra violet ray property, mainly composed of an electron donating compound and an electron accepting compound, containing at least one of benzoxadinone compound represented by general formula (1) as an ultra violet ray absorbing agent. In the above mentioned formula, R represents hydrogen atom, hydroxyl group, alkyl group of carbon number 1-8, alkoxy group of carbon number 1-6, acyl group of carbon number 1-6, acyloxy group of carbon number 1-6, alkoxy carbonyl group of carbon number 1-6, carboxyl group, halogen atom or nitro group and X represents a divalent group or a direct bond.

Abstract: A thermally sensitive recording paper having a recording surface which when a postage stamp or a revenue stamp is adhered to the recording surface requires at least ten cycles of a removal test procedure to remove at least one third of the adhered surface of the stamp from the recording surface of the thermally sensitive recording paper, wherein the removal test procedure comprises adhering the postage stamp or revenue stamp to the recording surface of the thermally sensitive recording paper, hanging the recording paper over an iron bar of about 8 mm diameter with the postage stamp or revenue stamp on an outer surface of the recording paper, adjusting the recording paper such that equal lengths are on either side of the iron bar, attaching to one end of the thermally sensitive recording paper a weight of about 500 g, holding the other end of the thermally sensitive recording paper by hand and carrying out a pull down ant put back cycle motion of the hand to move the postage stamp or revenue stamp over the iro

Abstract: A transparent thermosensitive recording material capable of producing an image therein has a transparent support and a thermosensitive recording layer formed thereon, the recording layer containing a colorless or light-colored leuco dye, a color developer capable of inducing coloring formation in the leuco dye, and a binder resin. The image obtained in the recording material exhibits an absorbance of 3.0 or more at 610 nm when the image has a maximum transmission density, and the ratio of the absorbance at 700 nm to the absorbance at 610 nm is in a range of 0.1 to 0.3 within the region from a transmission density of the image of 1.0 to the maximum transmission density thereof.

Abstract: A thermally sensitive recording medium which has good printability and surface glossness, by forming a glossing layer on a thermally sensitive recording layer on a substrate, and said glossing layer contains an inorganic pigment and a fixing composition which does not cause sticking at higher temperature than 200° C., and the surface glossiness of the glossing layer based on JIS-P-8142 in which angle of incidence and angle of reflect is 75 degree is bigger than 50%.

Abstract: A process for using a substantially light-insensitive mono sheet direct thermal imaging material for producing a non-retro-reflective readable object attachable to a second object for information purposes, the imaging material including a support, a thermosensitive element and an attaching layer, wherein the thermosensitive element contains a substantially light-insensitive organic silver salt, a reducing agent therefore in thermal working relationship therewith, a binder and does not contain a di- or triarylmethane dye precursor compound possessing within its di- or triarylmethane structure an aryl group substituted in the ortho position to the meso carbon atom with an S-containing moiety ring-closed on the meso carbon atom selected from a thiolactone, dithiolactone and thioether moiety.

Abstract: Heat sensitive recording sheets for thermal imaging are disclosed comprising a transparent support sheet having a thermal slip layer disposed on one surface of the support and a heat sensitive color-producing layer on the opposite surface of the support. A second opaque (paper) or transparent (plastic) sheet is laminated to the color-producing layer. The recording sheets are suitable for use in high speed thermal printing applications such as computer print out paper, battery operated printers for digital camera or personal digital assistance, stickers and labels, medical imaging, and color proofing films.

Abstract: A heat-sensitive recording material is provided which has an excellent head matching performance and a surface which is coated well without any coating defects. A method for producing the heat-sensitive material is also provided. The heat-sensitive recording material includes a substrate, and a heat-sensitive recording layer and a protective layer disposed on the substrate in that order. The protective layer is formed by applying a coating solution for the protective layer containing a pigment, a binder, and an emulsion of silicone oil dispersed so that an average particle diameter of silicone oil is 0.15 &mgr;m or less. It is preferable that the silicone oil is at least one type of silicone oil selected from the group consisting of ether modified silicone oil, carboxy modified silicone oil and amino modified silicone oil. Further, it is preferable that the silicone oil has a viscosity within a range from 400 to 100,000 cps.

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: 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 photoimaging material which comprises a support and a photoimaging layer formed on the support. The photoimaging layer comprises microcapsules and a reducing agent present outside the microcapsules. The microcapsules contain a leuco dye capable of oxidative color formation, a photooxidizing agent and an organosulfur antioxidant. The reducing agent is 2,2′-methylenebis(4-methyl-6-t-butylphenol) or 2,2′-methylenebis(4-ethyl-6-t-butylphenol). The photoimaging material is capable of thermal image fixing based on a method of forming color by radical oxidation of various leuco dyes to the corresponding dyes with a photooxidizing agent. The photoimaging material is not prone to background coloring (fogging) during storage under dark or light conditions after image fixing, and does not foul the inside of the apparatus during thermal image fixing.

Abstract: A combination release coating and barrier coating for use on linerless thermal labels is provided in which the release coating includes an epoxy-silicone copolymer, a release modifier, and a cationic photoinitiator. The release coating provides an improved surface for direct thermal printing and good release properties from pressure sensitive adhesives. The barrier coating is preferably provided on the first and second surfaces of the label substrate to provide moisture and abrasion resistance to the substrate and to prevent adhesive failure.

Abstract: A method of manufacturing a reversible heat-sensitive recording medium capable of manufacturing a reversible heat-sensitive recording medium invulnerable toward scratches, etc. even when printing/erasing is repeated under situation where dirt and dust tend to attach to the reversible heat-sensitive recording medium, thus providing increase durability of the reversible heat-sensitive recording medium against repeated printing/erasing. In the method of manufacturing the reversible heat-sensitive recording medium containing a reversible heat-sensitive recording layer and a substrate sheet, a reversible heat-sensitive recording sheet or a reversible heat-sensitive recording transfer sheet having the reversible heat-sensitive recording layer applied to the substrate sheet through welding, after which a protective layer is formed on the reversible heat-sensitive recording layer.

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: A heat-sensitive recording material, comprising: a support, and a heat-sensitive recording layer and a protective layer which are provided on the support, wherein the protective layer contains at least a silicon denatured polymer and inorganic ultra-fine grains whose mean primary particle diameter is less than or equal to 0.1 &mgr;m.

Abstract: The present invention relates to a thermosensitive recording material of heat fixing type. The thermosensitive recording material comprises, on a sheet substrate, a subbing layer and a thermosensitive color image-forming layer in this order, the thermosensitive color image-forming layer comprising a colorless or light-colored dye precursor and a color-developer which reacts with the dye precursor to color the precursor when the color-developer is heated, the color-developer being selected such that the color image formed has a high solvent resistance after the coloring, and the subbing layer comprising a color developability reducing substance capable of reducing the color-developing function of the color-developer and having a melting point of 40° C. or higher. According to the present invention, a thermosensitive recording material is provided, which has a good fixing property and particularly an excellent legibility of colored images even after accidental heating.

Abstract: A lamination and method provide for an information displaying label with dual image receiving capabilities. The laminate includes a substrate with a thermally responsive coating in adhesive engagement with an overlying light transmissive protective layer. The thermally responsive coating is adapted to receive an information image upon the selective application of heat at a first temperature. The adhesive layer, which is non-reactive with the coating, bonds the coating and the protective layer together when heated to a second temperature lower than the first temperature. The adhesive layer provides a permanent and stable bond and may include ultraviolet inhibitors. The protective layer permits the transfer of heat to the underlying coating and provides an image receiving surface for additional label printing. The protective layer also protects the coating from environmental elements such as heat, moisture, chemicals and abrasions.

Abstract: A heat-sensitive recording sheet has A heat-sensitive recording layer containing color formers and color developers formed on one side of a substrate, a backcoat is formed on the side opposite to the recording layer, wherein this backcoat is formed of A mixture containing starch, an acrylate copolymer which does not comprise styrene or vinyl acetate components and has a film-forming temperature of less than 5° C., and an alkaline catalyst.

Abstract: An adhesive-backed label useful for security applications. The label comprises a substrate onto which has been coated, in order, at least a thermally-imprintable color producing layer, and an adhesive layer, preferably a pressure-sensitive adhesive.

Abstract: A thermosensitive recording medium capable of forming a visible image thereon when subjected to thermal printing, which has a transparent support, a thermosensitive recording layer provided on the transparent support, containing a dye and a color developer capable of inducing a color in the dye upon the application of heat thereto in the course of the thermal printing, and a mat layer, containing a granular thermosensitive recording layer, containing a granular filler and a binder resin, the mat layer having a surface smoothness of 100 to 2000 sec before subjected to the thermal printing, and a portion of the mat layer subjected to the thermal printing having a surface smoothness of 5,000 sec or less at most.

Abstract: A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element provided with a protective layer, the thermosensitive element containing a substantially light-insensitive organic silver salt, a 1,2-dihydroxy-benzene derivative in thermal working relationship therewith and a first polymer having active hydrogen atoms at least part of which has reacted with a first polyisocyanate selected from the group consisting of: hexamethylene diisocyanate, toluene diisocyanate, diphenylmethane diisocyanat, naphthylene diisocyanate and triphenylmethane-p,p′,p″-trityl triisocyanate; and the protective layer being exclusive of fluorine-containing compounds; and a thermographic recording process therefor.

Abstract: A pressure-sensitive laminate and a method for making the same, for which the release strength between an adhesive layer and a release liner can be selectively varied after the laminate has been manufactured by exposing the interface between the adhesive layer and the release liner to ultraviolet light. The invention allows the selective enhancement of release strength is specific zones, such as by use of a mask. It also allows for the manufacture of a laminate having two face sheets with no dedicated backing sheet, each face sheet acting as the backing sheet for the other.

Abstract: Business forms that provide duplicate images in heat fusing toner printers which comprise a base sheet and a thermosensitive, image-forming coating positioned on the base sheet followed by a top sheet, such as a label laminate. The thermosensitive, image-forming coating contains a thermally-activated, color-forming dye which can be activated at a temperature in the range of 90° F. to 135° F. The top sheet has a weight and thickness which permits heat to be conducted from a heat-fused toner-based image printed thereon to the thermosensitive, image-forming coating so as to raise the temperature of the underlying portions of the thermosensitive, image-forming coating by at least 20° F. In preferred embodiments, the top sheet is a label laminate. Methods for preparing such printable sheets and use of such printable sheets to obtain duplicate images are also provided.

Abstract: A thermosensitive recording material including a coloring layer which is formed overlying a substrate and which includes a leuco dye and a color developer which can make the leuco dye color upon application of heat, wherein the thermosensitive recording material has a thermal property such that the coloring layer achieves a colored state having an image density (1) not less than about 1.20 when the coloring layer is heated with a thermal printhead upon application of a recording energy of 0.45 mJ/dot, and the coloring layer achieves a colored state having an image density (2) which is not less than about 0.1 lower than the image density (1) when the coloring layer is heated by being brought into contact with a heated block at a temperature of 150° C. for 1 second upon application of a pressure of 2 kg/cm2.

Abstract: The invention discloses a novel thermally-responsive record material comprising a support having coated thereon a thermally sensitive color forming composition comprising a chromogenic material, an acidic developer material and a certain carbamate component that does not include dodecyl-N-phenylcarbamate. The novel record material displays enhanced image intensity or improved thermal response.

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: A thermochromatic ink covered article including a substrate, a thermochromatic ink layer disposed on the substrate, a polymer acrylic protective coating over said thermochromatic ink layer, and a design disposed at least partially in said protective coating, the design being transferred to the protective coating via a sublimation ink transfer process.

Abstract: A transparent thermosensitive recording material has a transparent support and a thermosensitive recording layer formed thereon, with a non-image area of the transparent thermosensitive recording material exhibiting an absorbance in a range from 0.5 to 1.2 when irradiated with light with a wavelength of 380 nm, and an absorbance of 0.7 or less when irradiated with light with a wavelength of 420 nm.

Abstract: A heat-sensitive recording material of the present invention comprises: a support, and a heat-sensitive recording layer and a protective layer which are provided on the support, wherein the protective layer is formed by using at least a long chain alkyl ether denatured polyvinyl alcohol. Preferably, the long chain alkyl ether denatured polyvinyl alcohol is an alkyl ether denatured polyvinyl alcohol having 8 to 20 carbon atoms.

Abstract: A color-change material has a reversibly thermochromic layer and a porous layer containing a low-refractive-index pigment. The color-change material changes its color in response to heat or water. The reversibly thermochromic layer and the porous layer are superposed on each other, or the reversibly thermochromic layer and the porous layer are formed side by side. Alternatively, a color-change material has a substrate and formed thereon a color-changing porous layer including a reversibly thermochromic material, a low-refractive-index pigment, and a binder. The reversibly thermochromic material and the pigment are dispersed in the binder and tenaciously adherent thereto.

Abstract: A substantially light-insensitive black and white monosheet thermographic recording material comprising a support and a thermosensitive element which is optionally provided with a protective layer, wherein the thermosensitive element contains substantially light-insensitive mixed crystals of at least one organic silver salt and at least one organic fatty acid derivative, an organic reducing agent for the organic silver salt in thermal working relationship therewith and a binder and wherein the substantially light-insensitive mixed crystals are present in an inner layer of the thermographic recording material; and a recording process therewith.

Abstract: A reversible thermosensitive coloring composition including an electron donating coloring agent and an electron accepting color developer, wherein the composition achieves a colored state when heated at a temperature not lower than a coloring temperature and then cooled at a cooling speed (a), and the composition in the colored state achieves a non-colored state when heated at a temperature lower than the coloring temperature and not lower than an erasing temperature, or when heated at a temperature not lower than the coloring temperature and then cooled relatively slowly compared to the cooling speed (a), and wherein the electron accepting color developer includes a phenolic compound having the following formula (1): wherein n is an integer of from 1 to 3; m is an integer of from 1 to 20; r is 0 or an integer of from 1 to 3; X and Y independently represent a divalent group including a hetero atom; R1 represents a hydrocarbon group having from 1 to 20 carbon atoms; and R2 represents a hydroc

Abstract: A thermosensitive recording material including a transparent substrate; a thermosensitive recording layer which is formed overlying the substrate and which includes an electron donating coloring agent, an electron accepting color developer and a binder resin; and an overcoat layer which is formed overlying the recording layer and which includes a binder resin which has substantially the same refractive index as the recording material, wherein at least one of the recording layer and a layer adjacent to the recording layer includes a light-heat converting agent and the recording material has transmittance not less than about 10% in a range of from 360 to 420 nm in wavelength. The recording material on which images are recorded is useful for a block copy for flexography, gravure printing, offset printing and screen printing.

Abstract: A thermosensitive recording material has a support and a thermosensitive coloring layer formed thereon containing a leuco dye and a color developer capable of inducing color formation in the leuco dye upon application of heat thereto, with the color developer including at least one compound (A) having in a molecule thereof at least two aromatic ring moieties with specific structures, selected from the group consisting of an aromatic ring moiety having at least one carboxyl group and electron-attracting functional group, an aromatic ring moiety having at least one carboxyl group and electron-donating functional group, and an aromatic ring moiety having at least one carboxyl group, free of the electron-attracting and electron-donating functional groups. An aromatic carboxylic acid compound serving as the above-mentioned compound (A) and the producing method thereof are also disclosed.

Abstract: A reversible thermosensitive recording medium is provided, comprising a supporting substrate, a reversible thermosensitive recording layer and an overcoat layer, formed in the order recited, in which the recording layer changes transparency or color tone reversibly with temperature. The overcoat layer is formed to have a peak temperature of at most 155° C. in a tan &dgr; vs. temperature curve, wherein tan &dgr; is defined by G′/G″, with dynamic modulus of elasticity represented by G′ and dynamic elastic loss represented by G″.

Abstract: A system for forming fingerprints comprises a substrate bearing a designated print image-forming area and a localized coating of pressure-sensitive microcapsules containing a substantially colorless, image-forming reactant in the form of a color former or color-developer for forming a latent or visible image of a fingerprint in the designated print image-forming area. An image-developing device comprising a transparent film coated with a dual-functional adhesive composition comprising a pressure-sensitive adhesive containing an image-forming co-reactant in the form of a color developer or color former is used to form a protected visible image in the designated print image-forming area when applied to the fingerprint image.

Abstract: A sticker sheet includes support paper. An obverse and a reverse laminate layers are disposed on respectively surfaces of the support paper. Three thermosensitive coloring layers are disposed on the obverse laminate layer, constitute a recording medium with the support paper, and adapted to direct thermal recording. An adhesive layer is disposed on the reverse laminate layer. Release paper is secured to the recording medium by the adhesive layer in a peelable manner. Cut lines are formed in the recording medium by cutting the reverse laminate layer and the support paper with the coloring layers and the obverse laminate layer kept uncut at least partially, and partition the recording medium into plural sticker chips. After the thermal recording, the coloring layers and the obverse laminate layer are tearable along the cut lines, and the sticker chips are separable with the adhesive layer.

Abstract: A reversible thermosensitive composition is provided, comprising a matrix resin and at least one kind of low molecular weight organic material dispersed in the matrix resin, the reversible thermosensitive composition changing transparency reversibly with temperature, in which the matrix resin comprises a graft polymer or a graft copolymer, having the following polymerizing unit, ##STR1## wherein R.sup.1 and R.sup.4 each is hydrogen or an alkyl group; R.sup.2 is a bond, a dibasic fatty acid group, a divalent aromatic group, or a divalent group of admixed fatty acid and aromatic groups; R.sup.3 is a dibasic fatty acid group, a divalent aromatic group, or a divalent group of admixed fatty acid and aromatic groups; and R.sup.5 is hydrogen, or --CON(R.sup.5)--R.sup.3 --C(R.sup.4).dbd.(CH.sub.2), inclusive of hydrogen at the end of a polymer chain.

Abstract: A shipping facilitating business form allows an outgoing address label to be imaged at the same time that a record copy is being imaged, and has both outgoing address label and a tracking label on the same form, and further includes two record copies after the labels are removed. A first paper ply cooperates with a second, composite, ply having a first sheet element and a second release liner underlying the first element, the second ply having a portion extending past the first ply. Pressure sensitive adhesive is provided between the first and second elements, and the extension portion of the second ply comprises tracking labels typically with bar code indicia. Using CF, CB, CF--B and/or self-contained techniques, image transfer is provided between the first ply, to a label portion of the first element, and to the release liner underlying the first element, so that when the label--with variable address indicia imaged on it--is removed both the top ply and second element provide record sheets.

Abstract: A thermographic recording material is provided by the present invention comprising on the same side of a support, called the heat-sensitive side, a thermosensitive element and a outermost layer which contains a cured polymer or cured polymer composition and colloidal silica, wherein the colloidal silica is substantially present in its acidified form and the outermost layer further contains a buffer with a pH between 2 and 7 consisting of at least one acid and at least one non-metallic salt of an acid; a method of recording an image therewith and a production process therefor.

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 method and compositions for authenticating a document or article comprises applying a mixture of a carrier, a leuco dye and an activator to a surface of a document or article, wherein the leuco dye and activator react in response to a rubbing force applied to the surface to change color and wherein the activator is at least one selected from the group consisting of amidophenol, anilides with hydroxyl groups and benzoamides with hydroxyl groups and authenticating the document or article by applying a rubbing force to the surface to effect a color change.

Abstract: Thermally-imageable articles which allow verification of the genuineness of the articles, and methods of producing such articles are disclosed. The thermally-imageable articles includes a substrate and a light transmissive/reflective platy pigment in or on one or both surfaces of the article. The article may be analyzed or inspected to determine the presence and nature of the platy pigment and accordingly, the authenticity of the article. When viewed from different incident angles, the pigment produces a unique pearlescent, color shift, or iridescent type effect.

Abstract: A direct image-recording material has a layer of a thermosensitive layer formed on a thin substrate. The substrate comprises an organic polymeric material that is substantially transparent and colorless and has a thickness no greater than about 10 .mu.m. Preferred embodiments of the invention further include a support sheet with an interposed first adhesive layer on the thermosensitive composition layer. Other preferred embodiments further include a second adhesive layer and a backing sheet, which may be releasable, on the support sheet.

Abstract: The present invention provides a heat-sensitive recording material high in sensitivity and whiteness. That is, a heat-sensitive recording material which comprises a support and a recording layer between which an intermediate layer is provided and which is of high sensitivity could be obtained by using a latex having a temperature-sensitive gelling characteristic as a binder of the intermediate layer and by adjusting pH of a coating solution of the intermediate layer to 7.0 or more, and adjusting temperature of the coating solution at the time of preparation and coating to a temperature lower at least 20.degree. C. than the gelling temperature of the temperature-sensitive latex. Furthermore, a heat-sensitive recording material of high whiteness and very high printability could be obtained by adding a non-crosslinking type acrylic alkali thickening agent to the coating solution of the intermediate layer.

Abstract: A thermosensitive recording material including a substrate, a thermosensitive coloring layer which is formed overlying the substrate and which induces color formation upon application of heat, and a protective layer which is formed overlying the thermosensitive coloring layer and which includes a resin, wherein the protective layer is formed by coating with a liquid including a core-shell type emulsion of the resin, and wherein the core-shell type emulsion of the resin is prepared by polymerizing monomers including (d) acrylamide and/or methacrylamide and (e) a vinyl monomer having a hydroxy group in the presence of a seed emulsion which is prepared by polymerizing monomers including (a) acrylamide and/or methacrylamide, (b) acrylonitrile and (c) a vinyl monomer having a hydroxy group.

Abstract: Thermosensitive recording materials, such as thermal papers, with near infrared flourescent (NIRF) compounds as a security feature and methods for preparing thermal papers with NIRF compounds as a security measure, wherein the NIRF compounds do not react with the reactive components of the thermosensitive recording materials and are preferably shielded from contact with ambient air.

Abstract: A process for producing a thermographic recording material including on one side of a support, called the heat-sensitive side, a thermosensitive element, the outermost layer on the heat-sensitive side containing a cured polymer or cured polymer composition and silica, comprising the steps of: providing the heat-sensitive side of the support with an outermost layer by coating with a composition produced by mixing ingredients including colloidal silica, a curable polymer and a curing agent therefor; and drying and curing the outermost layer, wherein any acidic groups present in the colloidal silica upon acidification are substantially neutralized with ammonium ions, the curable polymer is a hydrophilic polymer having active hydrogen atoms and the curing agent is selected from the group consisting of polyisocyanates, aldehydes, titanates, zirconates, sulfone, boric acid and hydrolyzed tetraalkyl orthosilicate; and a method of recording an image therewith.

Abstract: A co-winding type thermal transfer sheet is constituted by forming on one surface side of a substrate film a heat-fusible ink layer comprising a pigment and a particulate binder, and causing a tracing paper to be peelably bonded onto the heat-fusible ink layer by the medium of an adhesive layer. The thus constituted co-winding type thermal transfer sheet is capable of providing an original image which can be reproduced by use of a blueprint process so as to provide blueprint images having a high precision and a high contrast.In addition, a co-winding type thermal transfer sheet may also be constituted by forming a heat-fusible ink layer on one surface side of a substrate film and causing a transparent resin sheet to be peelably bonded onto the heat-fusible ink layer by the medium of an adhesive layer containing a cross-linking agent. The thus constituted co-winding type thermal transfer sheet is capable of providing an image excellent in wear resistance on the transparent resin sheet.

Abstract: A reversible thermosensitive recording material is disclosed, which comprises (a) a support, (b) a reversible thermosensitive recording layer formed thereon which comprises as the main components a matrix resin and an organic low-molecular-weight material dispersed in the matrix resin, and has a temperature-dependent transparency, and (c) an overcoat layer comprising as the main component a resin or an ultraviolet-light-setting resin, formed on the reversible thermosensitive recording layer.