Ink Composition, Recording Method Using the Same, and Recorded Matter

An object of the present invention is to provide an ink composition which can provide an image having excellent glossy texture to various recording media, particularly to a glossy recording medium, is decreased in bronzing phenomenon, and is also good in fixing property and scratch resistance such a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	AOYAMA TETSUYA, NAITO TERUO, HANMURA MASAHIRO, KANAYA MIHARU
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS CORRECTING FLUIDS DYES FILLING PASTES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INKS INORGANIC CHEMISTRY LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PREPARATION OF CARBON BLACK PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL SPRAYING OR ATOMISING IN GENERAL TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	An object of the present invention is to provide an ink composition which can provide an image having excellent glossy texture to various recording media, particularly to a glossy recording medium, is decreased in bronzing phenomenon, and is also good in fixing property and scratch resistance such as gloss change. The invention relates to an ink composition containing at least a coloring agent coated with a water-insoluble polymer as a coloring material and a resin emulsion as an additive, wherein the weight average molecular weight of the water-insoluble polymer is from 50,000 to 150,000, and wherein the resin emulsion comprises a resin comprising a monomer component of the same kind as the monomer component constituting the water-insoluble polymer and having a weight average molecular weight of 1.5 to 4 times that of the water-insoluble polymer; and an ink composition containing at least a coloring agent coated with a water-insoluble polymer and resin particles, wherein the water-insoluble polymer is a polymer obtained by a solution polymerization process using at least a polymerizable unsaturated monomer and a polymerization initiator, wherein the coloring agent coated with the water-insoluble polymer is a coloring material obtained by a phase inversion emulsification process in which after the water-insoluble polymer is dissolved in an organic solvent, at least the coloring agent and water are added thereto, followed by mixing, and the organic solvent is removed to perform dispersion in an aqueous system, and wherein the resin particles are a polymer obtained by an emulsion polymerization process using at least a crosslinking agent.