BLACK INK

PROBLEM TO BE SOLVED: To provide a black coloring matter for inkjet ink having excellent light resistance, high solubility in ink solvents and excellent preservation stability. SOLUTION: The black ink comprises a phthalocyanine compound represented by general formula (1) (wherein, A1to A16denote eac...

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Bibliographische Detailangaben
Hauptverfasser:	OI TATSU, SUGIMOTO KENICHI
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COLOUR PRINTING CORRECTING FLUIDS CORRECTION OF TYPOGRAPHICAL ERRORS DYES FILLING PASTES i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME INKS LAKES LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS TRANSPORTING TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a black coloring matter for inkjet ink having excellent light resistance, high solubility in ink solvents and excellent preservation stability. SOLUTION: The black ink comprises a phthalocyanine compound represented by general formula (1) (wherein, A1to A16denote each independently a hydrogen atom, a halogen atom, a substituent through a carbon atom, a substituent through an oxygen atom, a substituent through a nitrogen atom or a substituent through a sulfur atom and the adjacent substituents may form a ring, with the proviso that at least one of A1to A16is a substituent through a nitrogen atom; and M denotes a bivalent metal atom, a trivalent or a tetravalent substituted metal atom or an oxymetal). The black coloring matter has the excellent light resistance and preservation stability and high solubility in the ink solvents and is especially useful as ink uses for the inkjets. COPYRIGHT: (C)2005,JPO&NCIPI