Abstract: An optical recording medium has a constitution wherein a visible information recording medium section and an information recording medium section are bonded through a bonding layer. The visible information recording medium section has a constitution wherein a visible information recording layer, a first reflection layer and a first protection layer are stacked on a first substrate. The information recording medium section has a constitution wherein an information recording layer, a second reflection layer and a second protection layer are stacked on a second substrate having a pregroove formed on the surface. The visible information recording layer contains at least one dye compound among a yellow dye compound, magenta dye compound and a cyan dye compound.

Abstract: An optical information recording medium containing a substrate having provided thereon a recording layer capable of recording information by laser beam irradiation, wherein the recording layer contains a dye represented by the following general formula (I): wherein R1, R2, R3 and R4 each independently represents a hydrogen atom or a substituent group; R5 and R6 each independently represents a hydrogen atom or a substituent group; and B represents a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group, which are derivable from a diazonium salt.

Abstract: An image-forming method having: superposing a heat-sensitive transfer sheet on an image-receiving sheet so that a receptor layer can be contacted with a thermal transfer layer; and providing thermal energy in accordance with image signals given from a thermal head; in which the heat-sensitive transfer sheet is a sheet containing the thermal transfer layer that contains a colorant and at least one polyester as a binder component of the thermal transfer layer, in which at least one-second by molar ratio of the acid component of said polyester is terephtharic acid, or a sheet containing a thermal transfer layer that contains a colorant on one surface of a substrate film and a heat-resistant sliding layer formed so as to contain a hardener on the other surface of the substrate film; and the image-receiving sheet contains, on a support, the receptor layer that contains one of polyester and/or polycarbonate polymers.

Abstract: An optical information recording medium comprises: a recording layer capable of recording and reproducing information by irradiation with a laser light; and an image recording layer capable of recording a visible image and containing a dye as a major component.

Abstract: An optical information recording medium containing a substrate having provided thereon a recording layer capable of recording information by laser beam irradiation, wherein the recording layer contains a dye represented by the following general formula (I): wherein R1, R2, R3 and R4 each independently represents a hydrogen atom or a substituent group; R5 and R6 each independently represents a hydrogen atom or a substituent group; and B represents a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group, which are derivable from a diazonium salt.

Abstract: The present invention provides an optical information recording medium comprising a substrate having provided thereon a recording layer in which information can be recorded by laser light irradiation, wherein the recording layer contains a dye represented by the following formula (I): wherein Dye represents a dye residue having a molar extinction coefficient of 10000 (cm?1·mol?1) or more for light having a wavelength of 450 nm to 900 nm; L represents a divalent connecting group or a single bond; UV represents a dye residue having a molar extinction coefficient of 10000 (cm?1·mol?1) or more for light having a wavelength of 280 nm to 450 nm; and m denotes an integer from 1 to 8.

Abstract: A coloring composition containing an azo dye of the following formula (1): wherein R1, R2, R3 and R6 represent a monovalent substituent; R5 represents a hydrogen atom or a monovalent substituent; n is 0 to 4.

Abstract: An indaniline dye represented by the following formula (1): wherein R1 and R2 represent an unsubstituted linear or branched alkyl group having from 2 to 5 carbon atoms; R3 represents an unsubstituted linear or branched alkyl group having from 1 to 3 carbon atoms; provided that the total number of the carbon atoms of R1, R2 and R3 is 6 or 7.

Abstract: A thermal transfer recording ink sheet comprising a substrate sheet and a color-carrying layer, wherein the dye-carrying layer comprises an anthraquinone dye of the following formula (1) to (4) and an azo dye of the following formula (5): wherein R1—R3, R5, R7, R8 represents alkyl etc. R4 represents cyano etc., R6 represents tert-butyl etc., Y is —S— etc.

Abstract: An optical information recording medium containing a substrate having provided thereon a recording layer capable of recording information by laser beam irradiation, wherein the recording layer contains a dye represented by the following general formula (I): wherein R1, R2, R3 and R4 each independently represents a hydrogen atom or a substituent group; R5 and R6 each independently represents a hydrogen atom or a substituent group; and B represents a substituted or unsubstituted aryl group or a substituted or unsubstituted heterocyclic group, which are derivable from a diazonium salt.

Abstract: An image-forming method, containing the steps of: superposing a heat-sensitive transfer sheet on a heat-sensitive transfer image-receiving sheet so that the following at least one receptor layer of the heat-sensitive transfer image-receiving sheet can be contacted with the following thermal transfer layer of the heat-sensitive transfer sheet; and providing thermal energy given by a thermal head in accordance with image signals, thereby to form an image; wherein the heat-sensitive transfer image-receiving sheet is transported at a speed of 125 mm/s or more during the image formation, and wherein the heat-sensitive transfer image-receiving sheet contains, on a support, at least one receptor layer containing a polymer latex, and at least one heat insulation layer containing hollow polymer particles but free of any resins having poor resistance to an organic solvent except for the hollow polymer particles, and the heat-sensitive transfer sheet contains, on a support, a thermal transfer layer.

Abstract: An optical recording medium comprising a substrate having thereon a recording layer containing at least two kinds of dye A and dye B, wherein dye A and dye B satisfy the following conditions (1) and (2): (1) the starting temperature of decomposition is from 150 to 250° C., (2) refractive index n(A) and extinction coefficient k(A) of dye A at the wavelength of recording laser ray, and refractive index n(B) and extinction coefficient k(B) of dye B at the same wavelength satisfy the following expressions: n(B)/n(A)>0.7 k(B)/k(A)>10.

Abstract: An azo dye of the following formula: wherein R1, R2, R3, R4 and R6 each independently represent a hydrogen atom or a substituent; and R5 represent a substituent. The dye has an excellent optical characteristic with sharp absorption and excellent fastness.

Abstract: An azo dye of the following formula: wherein R1, R2, R4 and R5 represent a hydrogen atom or a substituent; R3 and R6 each independently represent a substituent; n indicates 0 to 3. The dye has an excellent optical characteristic with sharp absorption and excellent fastness.

Abstract: An azo dye represented by formula (1): wherein, R11 represents a monovalent substituent, R12 represents a hydrogen atom or a monovalent substituent, Ar1 represents a specific heterocyclic group such as a group such as a group shown below, and X represents atoms necessary to form a ring; wherein, in the heterocyclic group, R61 to R63 each independently represents a hydrogen atom or a substituent.

Abstract: An azo dye represented by formula (1): wherein R1 represents an alkyl group having 1 to 6 carbon atoms; and R2 to R6 each independently represents a hydrogen atom or a substituents, and an ink sheet for heat-sensitive transfer recording, a heat-sensitive transfer recording method, a color toner, an inkjet ink, and a color filter, each utilizes the azo dye.

Abstract: An image-forming method having: superposing a heat-sensitive transfer sheet on an image-receiving sheet so that a receptor layer can be contacted with a thermal transfer layer; and providing thermal energy in accordance with image signals given from a thermal head; in which the heat-sensitive transfer sheet is a sheet containing the thermal transfer layer that contains a colorant and at least one polyester as a binder component of the thermal transfer layer, in which at least one-second by molar ratio of the acid component of said polyester is terephtharic acid, or a sheet containing a thermal transfer layer that contains a colorant on one surface of a substrate film and a heat-resistant sliding layer formed so as to contain a hardener on the other surface of the substrate film; and the image-receiving sheet contains, on a support, the receptor layer that contains one of polyester and/or polycarbonate polymers.

Abstract: An image-forming method, having: superposing an ink sheet on an image-receiving sheet so that a dye layer of the ink sheet can be contacted with at least one receptor layer of the image-receiving sheet; and providing thermal energy according to image signals given from a thermal head to the superposed two sheets, thereby to form images; wherein the ink sheet has a dye layer that contains a thermally transferable color material on one surface of a substrate, wherein the ink sheet further has (a) a heat-resistant sliding layer on the other surface of the substrate or (b) at least one polyester as a binder component, in which at least a half (molar ratio) of an acid component of the polyester is terephthalic acid; and wherein the image-receiving sheet has, on a support, at least one receptor layer containing e.g., a polymer having at least one vinyl chloride repeating unit.

Abstract: An image-forming method, containing the steps of: superposing a heat-sensitive transfer sheet on a heat-sensitive transfer image-receiving sheet so that the following at least one receptor layer of the heat-sensitive transfer image-receiving sheet can be contacted with the following thermal transfer layer of the heat-sensitive transfer sheet; and providing thermal energy given by a thermal head in accordance with image signals, thereby to form an image; wherein the heat-sensitive transfer image-receiving sheet is transported at a speed of 125 mm/s or more during the image formation, and wherein the heat-sensitive transfer image-receiving sheet contains, on a support, at least one receptor layer containing a polymer latex, and at least one heat insulation layer containing hollow polymer particles but free of any resins having poor resistance to an organic solvent except for the hollow polymer particles, and the heat-sensitive transfer sheet contains, on a support, a thermal transfer layer.

Abstract: An image-forming method, containing the steps of: superposing a heat-sensitive transfer sheet on a heat-sensitive transfer image-receiving sheet so that the following receptor layer can be contacted with the following thermal transfer layer; and providing thermal energy in accordance with image signals, thereby to form a thermal transfer image; in which the heat-sensitive transfer image-receiving sheet comprises, on a support, a receptor layer containing a polymer latex, and a heat insulation layer containing hollow polymer particles, and the heat-sensitive transfer sheet comprises, on a support, a thermal transfer layer containing any one of compounds represented by formulas (1) to (7): ?in which, one of Z1 and Z2 represents ?N— and the other represents ?C(R95)—; Z3 and Z4 each independently represents ?N— or ?C(R96)—; R51 to R114 each independently represent a substituent, or a hydrogen atom or a substituent; n8 to n18 each independently represent an integer of 0 to 5, 0 to 4 or 0 to 2.