NON-AQUEOUS INKJET INK AND PRINTED MATTER OF THE SAME

• Main Authors: SASAKI HIROSHI, SHIRAI ATSUMI
• Format: Patent
• Language: English; Japanese
• Published: 27.05.2021
• Subjects: 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; 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; SELECTIVE PRINTING MECHANISMS; STAMPS; TRANSPORTING; TYPEWRITERS; USE OF MATERIALS THEREFOR; WOODSTAINS

To provide a non-aqueous inkjet ink excellent in all of continuous discharge stability, brilliance of a printed matter and drying property.SOLUTION: The non-aqueous inkjet ink comprises an organic solvent (A), scaly metal particles (B) and a surface tension adjusting additive (C), in which the organic solvent (A) contains an alkylene glycol monoalkyl ether-based solvent (a1-1) by 10 to 75 mass% with respect to the whole amount of the organic solvent (A); the scaly metal particles (B) are scaly particles having an average thickness (t) of 1 to 50 nm; and the content of the scaly metal particles (B) is 0.1 to 5 mass% with respect to the whole amount of the non-aqueous inkjet ink.SELECTED DRAWING: None 【課題】連続吐出安定性、印刷物の光輝性、乾燥性の全てに優れた非水系インクジェットインキの提供。【解決手段】有機溶剤（Ａ）と、鱗片状金属粒子（Ｂ）と、表面張力調整用添加剤（Ｃ）とを含有する非水系インクジェットインキであって、前記有機溶剤（Ａ）が、アルキレングリコールモノアルキルエーテル系溶剤（ａ１−１）を、前記有機溶剤（Ａ）全量に対して１０〜７５質量％含み、前記鱗片状金属粒子（Ｂ）が、平均厚み（ｔ）が１〜５０ｎｍである鱗片状粒子であり、前記鱗片状金属粒子（Ｂ）の含有量が、前記非水系インクジェットインキ全量に対して０．１〜５質量％である、非水系インクジェットインキ。【選択図】なし