Abstract: A transparent thermosensitive recording medium includes a transparent support, a thermosensitive recording layer which contains an electron-donating coloring compound, an electron-accepting compound and a binder resin, formed on the transparent support, and a protective layer formed on the thermosensitive recording layer, with the transparent support, the thermosensitive recording layer and the protective layer having substantially the same refractive index.

Abstract: A thermosensitive recording element comprising in order (a) a support, (b) at least one thermal layer comprising an organic polymeric binder, a substantially colorless electron donating dye precursor and an electron accepting compound capable of forming color by reacting with said dye precursor, and (c) a layer comprising a non-binder containing solution of a crosslinking agent wherein said agent forms a diol or ether-type bond with the binder is described. These elements have wide application in the printing industry.

Abstract: Provided is a plurality of ultra-violet light protection formulas in the form of liquids and creams which can be topically applied to various surfaces/substrates to protect such surfaces from the deleterious effects of light primarily in the ultra violet range and in addition, enhance the surface characteristics in some instances. The surfaces/substrates can by typically leather, vinyl, finished wood, unfinished wood, and a host of others too numerous to mention. An example of one formula is illustrated with an ultra-violet light indicating dye for use as an indicator.

Abstract: A thermosensitive recording material having a high resistance to curling and cockling when colored images are developed thereon comprises a substrate sheet comprising a thermoplastic resin and having a thermal shrinkage of 1.0% to 2.0% at a temperature of 120.degree. C.; a thermosensitive colored image-forming layer formed on a surface of the substrate sheet and comprising a colorless dye precursor, a color-developing agent and a binder; a backcoat layer formed on the opposite surface of the substrate sheet, having a weight of 1 to 10 g/m.sup.2 and comprising 20 to 90 parts by weight of a water-soluble polymeric material 10 to 80 parts by weight of a water-isoluble polymeric material and 1 to 10 parts by weight of a cross-linking agent for the water-soluble polymeric material; and optionally, an overcoat layer formed on the thermosensitive colored image-forming layer and comprising a pigment and binder resin.

Abstract: A double-surface heat-sensitive record material is disclosed that provides separable, thermally printed surfaces. The invention includes a first heat-sensitive record surface having an exposed heat-sensitive record layer on one surface, a pressure-sensitive adhesive layer, and release liner on an opposed surface. A second heat-sensitive record surface includes a second heat-sensitive record layer on an exposed surface. This second record surface is secured to the first record surface, by a binder layer, to form a double-surface heat-sensitive record material having opposed, exposed heat-sensitive record layers. A thermal imager or printer can then print on both exposed heat-sensitive record layers. The release liner enables the two record layers to be separated, forming first and second printed surfaces, wherein the first printed surface has an exposed pressure-sensitive adhesive layer so that it can be readily used as a label, while the second printed surface may be used as a receipt.

Abstract: A reusable nanostructured donor medium is provided comprising an image forming material containing polymeric film having a nanostructured surface region, at at least one major surface of the film, such that the nanostructured surface region is bifunctional. This bifunctionality being an efficient radiation to heat conversion element, as well as serving as a capillary pump to replenish the nanostructured surface region with an image forming material after an imaging event has occurred.

Abstract: The present invention describes a process for priming a polymeric film with a primer coating composition and overcoating with a silicone release coating. Silicone release films are well known and serve as temporary supports for an adhesive or tacky surface such as for labels, pressure sensitive tape, etc. The primer coating composition, before dilution with water, comprises from about 25 to 75% by weight of a glycidoxy silane and from about 75 to 25% by weight of a copolyester. The copolyester comprises from about 40 to 98 mol percent isophthalic acid; from about 0 to about 50 mol percent of at least one aliphatic dicarboxylic acid; from about 2 to about 20 mol percent of at least one sulfonate group attached to a dicarboxylic nucleus; and about 100 mol percent of glycol having from about 2 to 11 carbon atoms. Typical glycidoxy silanes that can be employed in the primer coating composition include glycidoxypropyltrimethoxysilane.

Abstract: A base paper for use in the manufacture of printing paper used in low heat thermal printing operations. The base paper is provided by coating a paper sheet with a dispersion comprising hollow gas-containing spherical particles preferably of a synthetic polymer, a filler of clay particles, and a binder. The coating provides pigment, thermal insulation and aqueous holdout for a thermosensitive recording layer applied onto the coating and can be calendered to improve surface smoothness.

Abstract: A method of optically reading colored record images formed by the reaction of a substantially colorless electron donating dye and an electron accepting developer in a pressure-sensitive recording sheet with a red light having a wavelength of from 620 nm to 700 nm, wherein the pressure-sensitive recording sheet comprises an electron accepting developer layer containing a metal salt of an aromatic carboxylic acid as the electron accepting developer and an electron donating dye layer containing a phthalide compound represented by the following formula (1) as the electron donating dye: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 each represents a substituted or unsubstituted alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted aryl group; the R.sub.1 and R.sub.2 or the R.sub.3 and R.sub.4 may combine with each other to form a ring; R.sub.5 represents a hydrogen atom or an alkyl group; R6, R.sub.7, R.sub.8, and R.sub.

Abstract: A process for manufacturing a self-adhesive, dry-transfer decal at a speed greater than or equal to 2000 decals per hour comprising applying at least one color layer onto a side of a carrier paper with a release value of 40 to 80 cN as measured by 20 mm width TESA-tape K7476 at 40.degree. C., to produce an image which adheres to the carrier paper with a release value of approximately 8 to 12 cN as measured by 20 mm width TESA-tape 651 having a measure range of 2N and a tear-off speed of 500 mm/minute, and applying an adhesive layer onto said at least one color layer such that the adhesive layer is congruent with the image.

Abstract: An improved image transparency or slide is disclosed in which certain small image anomalies are rendered invisible to the human eye in an image projected from the slide. A diffusion layer spaced a finite distance from an image coating of the slide causes disappearance of the anomalies in a the projected image. In applications requiring particularly high sharpness, the image is formed on the slide using image enhancement techniques which produce exaggerated edge effects in the image. When these exaggerated edge effects are diffused in a projection, the projected image is sharp and free of the anomalies.

Abstract: A recording medium having a substrate and an ink-receiving layer formed on the substrate is provided by (a) dissolving a plurality of organic compounds in a first solvent which is a good solvent in common for all of the organic compounds to form a solution, applying the solution onto a substrate and evaporating the first solvent off to form an ink-receiving layer, and then (b) applying onto the ink-receiving layer a second solvent which is a poor solvent for at least one of the organic compounds and is a good solvent for the rest of the organic compounds and evaporating the second solvent off.

Abstract: A web is fabricated by coating at least one layer of thermoplastic material, pigmented polyurethane, onto a transparent polyester plastic film. The resulting web can readily be cut by a computer controlled blade to produce virtually any graphic pattern, including intricate or small letters that may be connected or separated from each other, without penetration of the blade through the carrier sheet. The graphic sheet adheres strongly enough to the carrier sheet, with a peel value in the range of 15-30 ounces, to prevent sliding of the graphic sheet relative to the carrier sheet during cutting, yet permitting release of the carrier sheet after attachment of the graphic by the application of heat and pressure. Thus, the present invention provides an "adhesive up" type of web for polyurethane graphics, whereby the graphic can be cut and peeled from the web, and the graphic, while still adhered to the carrier sheet, placed against the fabric.

Abstract: The invention provides a recording material inhibited from alteration which comprises a substrate, an undercoat layer containing a white or light colored inorganic fluorescent pigment having an emission maximum wavelength of 400-700 nm and provided on one side of the substrate, and a recording layer provided on said undercoat layer. The recording layer may be a heat-sensitive layer or a pressure-sensitive layer. A magnetic recording layer comprising ferromagnetic powders may be provided on another side of the substrate.

Abstract: A process for producing and an image receiving material for dye diffusion thermal transfer processes comprises a carrier material, an intermediate layer of a crosslinked material, and an image receiving layer of an uncrosslinked material, and the two layers are produced without using organic solvents.

Abstract: A thermal printing medium comprisinga substrate having an upper and lower surface;a heat sensitive layer formed over at least one surface of said substrate and including at least one of a colorless and a lightly colored leuco dye, and a color developing agent which imparts color to said leuco dye; anda protective layer comprised of aqueous resin and filler agent as main components thereof;characterized in that said heat sensitive layer is comprising at least one compound indicated by formula (1) ##STR1## (wherein R indicates an alkyl group having 1 to 10 carbon atoms or a benzyl group which may have a substitutional group) as a color developing agent, and aluminum hydroxide.

Abstract: A thermal recording medium good in recording sensitivity and recording stability comprising a metal thin layer, a heat sensitive softening layer placed in contact with said metal thin layer, a contrasting layer placed in contact with said heat sensitive softening layer or said metal thin layer and having a visual contrast to said metal thin layer, and a heat sensitive color forming layer placed in contact with said heat sensitive softening layer or said metal thin layer on the side of said metal thin layer opposite to the side where the contrasting layer is positioned.

Abstract: A heat-sensitive recording material comprising a support having thereon a color-developing layer and at least one UV-absorbing layer with a light-transmittance of 70% or less at 400 nm, 5% or less at 370 nm, and 70% or more for entire visible light range, is disclosed.

Abstract: The present invention provides a heat sensitive recording material comprising a heat sensitive recording layer formed on a substrate and containing a color former and a color developer reactive with the color former, an intermediate layer formed on the recording layer and containing a water-soluble resin or water-dispersible resin, and an overcoat layer formed on the intermediate layer and containing a resin curable with an ionizing radiation, the heat sensitive recording material being characterized in that the color developer comprises at least one of a salicylic acid derivative represented by the following formula (1) or formula (2) and polyvalent metal salt of the derivative ##STR1## wherein Ar, Q, A, R, X, Y, m and n are defined in the specification.

Abstract: A process for preparing a developer sheet on a forms press with little drying and a developer sheet are disclosed wherein an aqueous dispersion of a developer material containing about 50 to 80% solids is applied to the front surface of a substrate in a wet coat weight of about 0.75 to 1.5 pounds/1300 square feet; said dispersion comprising a developer material, an image intensifier, and a water miscible, non-volatile solids booster.

Abstract: A heat-sensitive recording material excelled in surface gloss and printing concentration is disclosed.The disclosed heat-sensitive recording material with a heat-sensitive color-developing layer formed on a supporting member features provision on the surface of the heat-sensitive color-developing layer of a protective coating containing crosslinked microfine particles (B) having substantially no glass transition temperature, 0.5 .mu.m or less in mean particle size and 0.05 or less in the difference in refractive index from the solid content of aqueous resin despersion which are obtainable by emulsion-polymerizing vinyl-containing monomers containing 15 weight % or more of polymeric multifunctional monomers together with the aqueous resin dispersion (A).

Abstract: A dye-transfer-sheet in the form of a self supporting film having a total thickness of from 4 to 15 .mu.m and consisting of a layer of one or more thermally mobile sublimation dyes dissolved or dispersed in a polymeric binder and a hydrophilic barrier layer adjacent to, but distinct from the dye-containing layer comprising a polymeric binder substantially impermeable to migration of the sublimable dye(s).The dye-transfer-sheets have a high sensitivity due to the absence of a separate support substrate and are capable of producing clear, high density transferred images.

Abstract: A thermal vellum medium includes a wood pulp based substrate having a thermal layer, comprising a heat-sensitive, image-forming material disposed on one side thereof and a silicone layer impregnated into an opposite side of the substrate.

Abstract: A pressure-sensitive recording sheet comprises a microencapsulated divinylphthalide compound represented by the following formula (I): ##STR1## wherein the microcapsules have the following particle size distribution:4.0 .mu.m.ltoreq.D.sub.50 .ltoreq.10.0 .mu.mD.sub.90 /D.sub.10 .ltoreq.2.0.

Abstract: The heat-sensitive recording material is prepared by forming on a support successively a heat-sensitive recording layer containing a color former and a color developer which forms a color by reacting with the color former, an intermediate layer obtained by coating an aqueous solution or aqueous dispersion of a resin, and an overcoat layer containing a ionizing radiation curable resin, and then irradiating an ionizing radiation. The overcoat layer contains a silicone surface active agent and a low molecular weight polyolefin resin microball. The heat-sensitive recording material is excellent in recording runnability and printability as well as in color density of the recorded images and image-retainability.

Abstract: A heat-sensitive recording material having an improved color image-forming property and an enhanced gloss and resistance to water, oily substances and plasticizers, is provided with a heat-sensitive color-forming layer formed on a substrate surface and comprising a substantially colorless dye precursor, a color-developing agent and a binder; an intermediate layer formed on the color-forming layer and comprising a hydrophilic polymeric material and a pigment; a glossy surface layer formed on the intermediate layer and comprising a hydrophobic polymeric material having a glass transition point of 60.degree. C. or more, and a lubricant; and optionally, an additional intermediate layer formed between the color-forming layer and the intermediate layer and comprising at least one member selected from hydrophilic polymeric materials and hydrophobic polymeric materials.

Abstract: A thermosensitive recording material is composed of a support, an undercoat layer formed on the support, which is essentially composed of spherical-void plastic particles having an average particle diameter of 2 to 20 .mu.m and a voidage of 80% or more, and a thermosensitive coloring layer formed on the undercoat layer, which contains a leuco dye and a color developer capable of inducing color formation in the leuco dye upon application of heat thereto.

Abstract: A thermosensitive recording material is composed of a support, a thermosensitive coloring layer capable of inducing color formation upon application of heat thereto, formed on the support, and an overcoat layer formed on the thermosensitive coloring layer, the overcoat layer being essentially composed of a resin component which is crosslinked by a glycidylamine compound serving as a crosslinking agent for the resin component. A coating liquid for the formation of the overcoat layer is essentially composed of the resin component and the glycidylamine compound.

Abstract: Disclosed is a carbonless paper set having at least two sheets, wherein a first sheet comprises paper coated on one surface with a color former and a second sheet comprises paper coated on one surface with a color developer, and wherein at least one of the sheets contains an oleophilic pigment filler material on the surface of the sheet opposite to that coated with the color former or color developer.

Abstract: A reversible thermosensitive recording material is composed of a support, and a reversible thermosensitive recording layer formed thereon, having a reversible temperature-dependent transparency, which contains a matrix resin and an organic low-molecular-weight material. The organic low-molecular-weight material is in the form of particles, and substantially covered by the matrix resin, and the content thereof in the reversible thermosensitive recording layer is increased from the surface side thereof toward the support side. This reversible thermosensitive recording material can be prepared by a method of coating a solution or dispersion of the matrix resin and the organic low-molecular-weight material on the support, which are dissolved or dispersed in a mixed solvent composed of at least two solvents, each having a different vapor pressure, and drying the solution or dispersion.

Abstract: A thermal transfer recording medium having at least one peel layer on a support and at least one heat-softening layer on the peel layer, and containing a coloring material in at least one layer of the peel layer and heat-softening layer, wherein;(i) the peel layer adjacent to the support contains a polyoxyethylene compound;(ii) at least one heat-softening layer contains an ionomer;(iii) at least one layer of the heat-softening layer has a breaking extension in the range of 70 to 200 % at 27.degree. C.; or(iv) at least one substantially colorless protective layer constituting an outermost layer is laminated on the heat-softening layer.A method for preparing a thermal transfer recording medium, which comprises providing at least one peel layer on a support by hot-melt coating, and forming at least one heat-softening layer on the peel layer by water base coating.

Abstract: This invention relates to a heat-sensitive recording material. More particularly, this invention relates to a heat-sensitive recording material including a solvent-resistant and friction-reducing protective layer useful in the manufacture of adhesive-backed heat-sensitive labels and other thermally sensitive paper stock used in printers and facsimile equipment. The protective layer is non-acidic and has an improved resistance to background discoloration.

Abstract: A heat-sensitive recording material wherein a copolymer emulsion is employed, the copolymer emulsion being obtained by copolymerizing a monomer component which comprises (meth)acrylamide and an optional unsaturated monomer component copolymerizable with (meth)acrylamide in the presence of a seed emulsion serving as a nucleating particle. In the heat-sensitive recording material, the intermediate layer, the heat-sensitive recording layer or the protective layer comprises the copolymer emulsion. The recordinq layer and the resulting recorded images of such a heat-sensitive recording material have sufficient durability (such as water resistance, heat resistance, resistance to plasticizers and resistance to solvents) and the resistance to heat softening of the protective layer. The heat-sensitive recording material can be produced through easy process control and is excellent in color developing sensitivity.

Abstract: A color developing material is produced by:a) gradually adding a metal silicate solution to a solution of an aluminum salt which is initially at a pH below 4 until the pH of the resulting mixture is approximately 4, thereby to induce some precipitation and to form a sol;b) gradually adding alkali to said sol to raise the pH to approximately 7, thereby to induce further precipitation and gel the sol or further gel the sol, said gelled sol being a hydrated silica/hydrated alumina composite;c) separating the gel from the aqueous medium and washing the resulting product to remove dissolved salts; andd) drying the washed product and reducing it in particle size.This color developing material is then formulated into a coating composition, applied to a paper base and dried to produce a color developing record material as used in pressure-sensitive (carbonless) copying pape sets.

Abstract: A heat-sensitive recording material having a superior resistance against water, plasticizers, and oily substances, is provided with a heat-sensitive color-forming layer formed on a surface of a substrate sheet and comprising a dye precursor, a color-developing agent, and a binder; and a protecting layer formed on the heat-sensitive color-forming layer and comprising (A) a polyvinylalcohol resin, (B) a water-soluble cross-linking agent, (C) at least one organic boron-containing polymer of the formula (I): ##STR1## and optionally (D) an acetoacetylated polyvinylalcohol resin.

Abstract: A method of making a dye-donor film is provided with printing code marking formed on clear areas interspersed between successive sets of dye patches formed on the film.

Abstract: A heat-sensitive recording material which has a high recording density, ensures recorded images of high quality and allows printing on the reverse side. A base paper for the recording material is subjected to multilayer paper making by means of a paper machine having a multilayer head box. The surface layer of the base paper has a bulk density of below 0.85 g/cu. cm and a printing smoothness of above 15% (pressure: 20 kg/sq. cm) as measured by means of a printing smoothness tester.

Abstract: A thermal transfer meltable color layer receives a protective polymer coating on the side thereof, to be contacted with the thermal printing head to hold the meltable color material away from the printing head, thereby forming a thermal printing ribbon without the need for a support foil.

Abstract: A method of producing an ornamental sticker having a configuration in which an adhesive layer, a base plate layer and a multicolored printing layer are formed as one body to make an applique sheet, which sticker requires no separate cutting process in the manufacturing thereof, and which sticker is available for various uses of industrial purposes as well as reuse. The adhesive and base plate layers are silk screened in a predetermined design to a sheet of paper-like material, printing ink is applied and then heat treated so as to form the sticker.

Abstract: A subcoat of plastic pigment particles and a binder is provided beneath the microcapsule coating of otherwise conventional pressure-sensitive copying paper of the CB or CFB type. The plastic pigment particles may be hollow or solid. Inorganic pigment particles are preferably also present in the subcoat. The binder may be a mixture of styrene/butadiene latex and polyvinyl alcohol. The subcoat typically has a coatweight of 3 to 6 g m.sup.-2. The presence of the plastic pigment subcoat improves copying intensity, or permits a desired given copy intensity to be obtained at a lower microcapsule coatweight.

Abstract: In order, in a self-duplicating paper product, to block certain areas in their duplicating function, it is suggested that these particular areas of at least one paper surface bearing one of the two reaction components be coated with a barrier layer not permeable to the reaction components, whereby the barrier layer material leaves the reactivity of the reaction components as such essentially unaffected.

Abstract: A thermal printing medium having high mechanical strength, and a label and tag incorporating such a thermal printing medium is disclosed. In additional to high mechanical strength, the thermal printing medium of the present invention provides for excellent printing density and reslution, for which reason the medium is very applicable to bar codes and the like. The thermal printing medium which includes a multilayer structure consisting of a support substrate comprised of polyolefin type cross-laminate film; a thermal developing layer over the above mentioned under layer, comprised chiefly of colorless or lightly colored leuco-type dye and color developer agent; and a protective layer over the above mentioned thermal developing layer.

Abstract: Disclosed is a heat-sensitive recording material useful in the manufacture of thermal paper and thermal labels. The material comprises a cellulosic or other suitable substrate, a thermally imprintable color-producing layer, and a protective layer over the color-producing layer. It may also include a second protective layer and/or a pressure-sensitive adhesive layer, on the surface of the substrate opposite from the color-producing layer, and a releasable liner covering the adhesive layer. The color-producing layer includes a basic, acid-neutralizing agent for both reducing background discoloration during manufacturing and increasing image definition. The protective layer comprises a cross-linked binder and fluorochemical surfactant-treated hydrocarbon or fluorocarbon particles as a friction reducing material.

Abstract: A thermosensitive recording material comprising a support, an intermediate layer including a foamed portion with minute voids on the support, and a thermosensitive coloring layer formed on the intermediate layer is disclosed, which is particularly improved in such a manner that the voidage of the upper portion of the intermediate layer close to the thermosensitive coloring layer is smaller than the voidage of the lower portion of the intermediate layer close to the support, or the voidage of the intermediate layer is increased from the upper portion thereof towards the lower portion thereof.

Abstract: A heat-sensitive recording paper includes a sheet substrate,a heat-sensitive developing layer formed on the surface of the sheet substrate which develops when heated, and a covering layer formed on the heat-sensitive developing layer. The covering layer includes a pigment prepared by coating the surface of natural mica with at least one of titanium oxide and iron oxide.The developing part of the heat-sensitive developing layer appears in a color different from that of the heat-sensitive developing layer due to a regular multiple reflection which takes place in the covering layer. Moreover, a non-developed part of the heat-sensitive developing layer has a pearl luster resulting from the regular multiple occurring in the covering layer.

Abstract: A thermosensitive recording material which comprises a support having a low Streckigt sizing degree, an undercoat layer comprising an oil absorbable pigment and a carboxymethyl cellulose, and a thermosensitive recording layer coated on the undercoat layer.The thermosensitive recording material of this invention can be used in a high speed recording system, since it has a high sensitivity, a high image quality and a low capacity to adhere stain to a thermal head, and these advantages can be improved further by adding an appropriate amount of paraffin wax to the undercoat layer. The thermosensitive recording material can be produced economically because a low cost material having a low Steckigt degree can be used as the support.

Abstract: A thermal transfer ribbon has a substrate, an undercoating which contains thermal reactive materials and leuco dyes, and a thermal transfer coating applied on the undercoating and which contains a mixture of a wax emulsion and a sensible material, the undercoating assiting the transfer of color images of an improved intensity and sharpness to a receiving medium upon the application of heat to the ribbon. The invention also covers incorporation of the leuco dye and a reactant in the functional coating to intensify the transferred image, with or without the presence of sensible materials such as iron oxide or fluroescent dye, to improve the sharpness and the scratch and smear resistance of the transferred image. An alternative to the two coatings is a single coating which includes pigments with sensing characteristics, thermal reactive material, and transfer agents to obtain an improved intensity image.

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.

Abstract: A thermosensitive recording paper is disclosed useful for thermosensitive recording which comprises a substrate, a thermosensitive recording layer and an undercoat layer interposed therebetween which contains 10 to 40 parts of a binder and 60 to 90 parts by weight of crosslinked polymer microparticles having a particle diameter of 0.2 to 5.0 .mu.m and a ratio of weight average diameter to number average diameter of 2.0 or less.

Abstract: A thermosensitive recording material which comprises a support, an intermediate layer including a foamed portion with minute voids, having a smoothness of 2,000 seconds or more in terms of Bekk's smoothness, and a thermosensitive coloring layer, successively formed on the support, and which layers show the compression strain of 20% or more when a pressure of 0.55 kg/cm.sup.2 is applied in accordance with the Japanese Industrial Standards (JIS) P-8118. This thermosensitive recording material shows the compression strain of 5% or more as a whole when a pressure of 0.55 kg/cm.sup.2 is applied in accordance with the JIS P-8118.