INK COMPOSITION AND PRINTED MATERIAL

To provide an ink composition that can form a printed layer having excellent rub resistance, adhesion to a substrate, and a glossy feeling, the ink composition capable of suppressing the occurrence of doctor streaks even when used in gravure printing.SOLUTION: An ink composition contains a binder re...

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Bibliographische Detailangaben
Hauptverfasser:	TOMIYAMA RYOTA, NOGUCHI TAKAMASA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COLOUR PRINTING CORRECTING FLUIDS DYES FILLING PASTES INKS LINING MACHINES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES STAMPS TRANSPORTING TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	To provide an ink composition that can form a printed layer having excellent rub resistance, adhesion to a substrate, and a glossy feeling, the ink composition capable of suppressing the occurrence of doctor streaks even when used in gravure printing.SOLUTION: An ink composition contains a binder resin, a hydrocarbon wax, and an organic solvent. The binder resin contains a polyamide resin and nitrocellulose. The nitrocellulose has a nitrogen content of 11.5-12.2 mass%, the nitrocellulose has a viscosity index of 1/16-2, and the hydrocarbon wax has a penetration of 9.5 or more.SELECTED DRAWING: None 【課題】耐摩擦性、基材との密着性、及び光沢感に優れた印刷層を形成することができるとともに、グラビア印刷に用いた場合にもドクター筋の発生を抑制することが可能なインキ組成物を提供する。【解決手段】バインダー樹脂、炭化水素ワックス、及び有機溶剤を含有し、バインダー樹脂が、ポリアミド樹脂及びニトロセルロースを含み、ニトロセルロースの窒素分が１１．５～１２．２質量％であり、ニトロセルロースの粘度記号が１／１６～２であり、炭化水素ワックスの針入度が９．５以上であるインキ組成物である。【選択図】なし