PAPER SOLVENT TYPE GRAVURE PRINTING INK COMPOSITION AND PRINTING METHOD

• Main Authors: AKAO YASUSHI, HARADA SHINICHI, FUJITA ATSUSHI, SHOJI TOMOKAZU
• Format: Patent
• Language: English; Japanese
• Published: 23.05.2019
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; FILLING PASTES; INKS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; POLISHES; USE OF MATERIALS THEREFOR; WOODSTAINS

To provide a paper solvent type gravure printing ink composition which has high optical density and has good mileage and alcohol resistance, and a printing method.SOLUTION: A paper solvent type gravure printing ink composition contains a pigment, a binder resin, an organic solvent and silica particles having an average particle size of 6 μm or less, in which a content of the silica particles is 0.1-2 mass% in the ink composition, and the organic solvent contains a non-aromatic organic solvent.SELECTED DRAWING: None 【課題】光学濃度が高く、マイレージ、耐アルコール性が良好な紙用溶剤型グラビア印刷インキ組成物および印刷方法を提供する。【解決手段】顔料と、バインダー樹脂と、有機溶剤と、平均粒子径が６μｍ以下であるシリカ粒子とを含み、シリカ粒子の含有量は、インキ組成物中、０．１〜２質量％であり、有機溶剤は、非芳香族系有機溶剤を含む、紙用溶剤型グラビア印刷インキ組成物。【選択図】なし