METHOD FOR PRODUCING TETRAAZAPORPHYRIN COMPOUND NANOPARTICLE, COLORING COMPOSITION USING THE NANOPARTICLE, DISPERSION INK AND COLOR FILTER

• Main Authors: TAKAGI TOSHIHIKO, YABU HIROSHI, HIRAI YUTARO, SAWANO BUNJI
• Format: Patent
• Language: English; Japanese
• Published: 05.04.2018
• Subjects: ADHESIVES; CHEMICAL PAINT OR INK REMOVERS; CHEMISTRY; CINEMATOGRAPHY; COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS; CORRECTING FLUIDS; DYES; ELECTROGRAPHY; ELECTROPHOTOGRAPHY; FILLING PASTES; HOLOGRAPHY; INKS; LAKES; MAGNETOGRAPHY; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; PHOTOGRAPHY; PHYSICS; POLISHES; USE OF MATERIALS THEREFOR; WOODSTAINS

PROBLEM TO BE SOLVED: To provide a method for producing a high-purity tetraazaporphyrin compound that has a small aspect ratio, has a uniform shape, has a clear blue color, is excellent in light resistance and has strong absorption near a wavelength of 580 nm.SOLUTION: A method for producing a tetraazaporphyrin pigment particle represented by formula (1) comprises a tetraazaporphyrin precursor synthesis step of irradiating an organic solvent solution including a N-containing heterocyclic compound and a basic catalyst with ultraviolet light, a micelle formation step of mixing a nonionic surfactant, an ionic surfactant, an organic solvent, the tetraazaporphyrin precursor and a metal salt and a pigment particle formation step of subjecting the micelle to ultraviolet irradiation.SELECTED DRAWING: Figure 1 【課題】アスペクト比が小さく、均一な形状で、鮮明な青色で耐光性に優れ、５８０ｎｍ附近に強い吸収をもつ高純度なテトラアザポルフィン化合物の製造方法の提供。【解決手段】Ｎ含有複素環化合物及び塩基性触媒を含む有機溶媒溶液に紫外線を照射するテトラアザポルフィン前躯体の合成工程、ノニオン性界面活性剤、イオン性界面活性剤、有機溶媒、テトラアザポルフィン前躯体、及び金属塩を混合するミセルの形成工程、ミセルに対して紫外線照射する顔料粒子形成工程を備える式（１）で表されるテトラアザポルフィリン顔料粒子の製造方法。【選択図】図１