Class / Patent application number | Description | Number of patent applications / Date published |
503207000 | Having nonreactant particles of defined size | 14 |
20080234128 | HEAT-SENSITIVE RECORDING MATERIAL - To provide a heat-sensitive recording material including a substrate; a heat-sensitive color-developing layer over the substrate, the heat-sensitive color-developing layer containing a leuco dye and a developer; a first protective layer over the heat-sensitive color-developing layer, the first protective layer containing a water-soluble resin and a crosslinking agent; and a second protective layer over the first protective layer, the second protective layer containing a water-soluble resin, a crosslinking agent and a pigment, wherein the heat-sensitive color-developing layer, the first protective layer and the second protective layer are formed simultaneously by curtain coating method, and the second protective layer contains diacetone-modified polyvinyl alcohol and acrylic resin or maleic acid copolymer resin. | 09-25-2008 |
20090075817 | THERMOSENSITIVE RECORDING MATERIAL - A thermosensitive recording material including a support, a thermosensitive recording layer composed mainly of a leuco dye and a developer, provided on one surface of the support, and a back layer provided on the other surface of the support, wherein the back layer contains an isobutylene-maleic anhydride copolymer ammonium salt, and at least one of an aziridine compound, and a cross-linked product of the isobutylene-maleic anhydride copolymer ammonium salt and the aziridine compound. | 03-19-2009 |
20100048394 | HEAT-SENSITIVE RECORDING MATERIAL - A description is given of a heat-sensitive recording material comprising: a sheetlike carrier; a thermoreactive layer on at least one side of the sheetlike carrier; and an interlayer, formed between the sheetlike carrier and the respective thermoreactive layer, which comprises hollow-sphere pigments embedded in a binder; and also, if appropriate, comprising top layers and/or further layers. This recording material is characterized in that the hollow-sphere pigments take the form of a composite pigment, with nanoscale pigment particles attached to the surface of an organic hollow-sphere pigment. This material can be produced inexpensively at high operating speed. The interlayers that are proposed in accordance with the invention exhibit optimum insulation capacity. They also have the effect of reducing or preventing the unwanted phenomenon of the text showing through, particularly when the thermoreactive layers are formed on both sides of the sheetlike carrier. The recording material exhibits a high optical density, runs very well in the thermal printer, in particular without depositing on or sticking to the thermal printing head in application, and the thermal print exhibits a homogeneous appearance. | 02-25-2010 |
20100062935 | THERMOSENSITIVE RECORDING MEDIUM - The present invention presents a thermosensitive recording medium having excellent color development, image quality and preservation properties as well as excellent stamp receptivity, anti-scratching ability, printability and water blocking resistance. | 03-11-2010 |
20100069240 | THERMAL RECORDING MATERIAL - A thermal recording material comprises a support and a thermal recording layer formed thereon, the thermal recording layer containing an electron-donating dye precursor and an electron-receiving developer that causes said dye precursor to develop a color, wherein said thermal recording layer contains vapor-phase synthesis silica, preferably, the vapor-phase synthesis silica has a specific surface area, measured by a BET method, of 50 to 200 m | 03-18-2010 |
20100099557 | Thermosensitive Recording Medium - The present invention provides a thermosensitive recording medium, which is excellent in stamping ability, anti-scratching ability, and water and plasticizer resistance of image area as well as in recording sensitivity, image quality and storage stability. The present invention is a thermosensitive recording medium having a thermosensitive recording layer containing at least a colorless or pale colored basic leuco dye and an electron accepting developing agent as a coating layer on a substrate, wherein at least an outermost layer among the thermosensitive recording layer and other optionally prepared coated layers contains powdered cellulose, wherein the powdered cellulose is prepared by a dry grinding process at ambient temperature. The thermosensitive recording medium preferably contains a condensate composition comprising 2,2′-methylenebis(4-t-butylphenol) as an electron accepting developing agent, and a cross-linked diphenylsulfone compound such as 2,2′-bis[4-(4-hydroxyphenylsulfone) phenoxy]diphenylether as a stabilizer. | 04-22-2010 |
20100190644 | HEAT SENSITIVE RECORDING MATERIAL COMPRISING A PROTECTIVE LAYER - A heat-sensitive recording material comprises a support, a heat-sensitive recording layer including a leuco dye and a developer, and a protective layer comprising a pigment and a binder. The heat-sensitive recording layer is located between the support and the protective layer. The pigment in the protective layer comprises secondary particles with an average particle diameter of about 30 to 900 nm formed preferably by aggregation of amorphous silica primary particles with a particle diameter of about 3 to 70 nm. The secondary particles are present in a proportion of about 5 to 35 mass % relative to total solids of the protective layer. The colloidal silica is present in a proportion of about 1 to 25 mass % relative to total solids of the protective layer. | 07-29-2010 |
20110092365 | THERMOSENSITIVE RECORDING MATERIAL - A thermosensitive recording material including, on a support having a type D durometer hardness of 40 or more as defined in accordance with ISO 7619:2004, and sequentially from the support side, an undercoating layer having a dynamic microhardness at 25° C. of 5.0 mN or less; and a thermosensitive color-forming layer containing an electron-donating dye precursor and an electron-accepting compound for thermal color-formation of the electron-donating dye precursor. | 04-21-2011 |
20110251060 | Thermographic Imaging Element - A thermographic substrate assembly comprised of a colorant and a flexible substrate. This assembly also contains a thermosensitive layer, and the thermosensitive layer contains a binder, a multiplicity of hollow sphere organic pigments, and a thermal solvent. | 10-13-2011 |
20120202686 | HEAT-SENSITIVE RECORDING MATERIAL - The present invention provides a heat-sensitive recording material that suffers no defective coating and is superior in color-exhibiting sensitivity, image quality, and chemical resistance. The heat-sensitive recording material successively comprising, on a support, an undercoat layer, a heat-sensitive recording layer containing a leuco dye and a developer, and a protective layer, wherein the heat-sensitive recording layer contains, as a main pigment, kaolin having an average particle diameter of 0.1 to 0.4 μm measured by a sedimentation method in an amount of 4 to 60 mass % based on a total solids content of the heat-sensitive recording layer, and wherein the heat-sensitive recording layer and the protective layer are formed by applying a heat-sensitive recording layer coating composition and a protective layer coating composition by a simultaneous multilayer curtain coating method, and drying resulting coatings. | 08-09-2012 |
20120238446 | REVERSIBLE THERMOSENSITIVE RECORDING MEDIUM AND REVERSIBLE THERMOSENSITIVE RECORDING MEMBER - A reversible thermosensitive recording medium including: a support; a reversible thermosensitive recording layer on the support; and a protective layer on the reversible thermosensitive recording layer, wherein the reversible thermosensitive recording layer contains an electron-donating color-forming compound and an electron-accepting compound, wherein the protective layer contains a polyester acrylate resin, and wherein the protective layer has a glass transition temperature of 230° C. or higher and has an elongation of 10% or higher. | 09-20-2012 |
20120277098 | COMPOSITE PARTICLES - In the present invention a composite particle including: a first polymeric particle having a diameter of from 100 nm to 3.5 microns including a core and a shell: the core including, when dry, at least one void; and the shell polymer having a calculated glass transition temperature (“Tg”) greater than 50° C.; and a second polymeric particle disposed on the surface of the first polymeric particle, the second polymeric particle having a minimum film-forming temperature of greater than 20° C.; wherein the ratio of the diameter of the first polymeric particle to the diameter of the second polymeric particle is from 1 to 50; and wherein the ratio of the weight of the first polymeric particle to the weight of the second polymeric particle is from 0.1 to 40, is provided. | 11-01-2012 |
20140005046 | THERMAL RECORDING MATERIAL AND METHOD FOR PRODUCING THE SAME | 01-02-2014 |
20150367664 | HEAT SENSITIVE RECORDING MATERIAL - The invention relates to a heat-sensitive recording material having a flat support, a thermal reaction layer on at least one face of the flat carrier, and optionally an intermediate layer formed between the flat support and the respective thermal reaction layer, and optionally other layers, a crosslinked biopolymer material in the form of nanoparticles being used as a binder in at least one of the layers. The invention also relates to the production and the use thereof. | 12-24-2015 |