ACTIVE ENERGY RAY-CURABLE INK

To provide an active energy ray-curable ink capable of remarkably enhancing coating film hardness by improving curability inside a coating film.SOLUTION: The active energy ray-curable ink contains a phosphor and a sensitizer which exhibits a photosensitizing action by light emission of the phosphor....

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1. Verfasser:	SASAKI ITSURO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVES CHEMICAL PAINT OR INK REMOVERS CHEMISTRY COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS COLOUR PRINTING COMPOSITIONS BASED THEREON CORRECTING FLUIDS CORRECTION OF TYPOGRAPHICAL ERRORS DYES FILLING PASTES i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME INKS LINING MACHINES MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC MACROMOLECULAR COMPOUNDS PAINTS PASTES OR SOLIDS FOR COLOURING OR PRINTING PERFORMING OPERATIONS POLISHES PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES SELECTIVE PRINTING MECHANISMS STAMPS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING TYPEWRITERS USE OF MATERIALS THEREFOR WOODSTAINS
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Beschreibung
Zusammenfassung:	To provide an active energy ray-curable ink capable of remarkably enhancing coating film hardness by improving curability inside a coating film.SOLUTION: The active energy ray-curable ink contains a phosphor and a sensitizer which exhibits a photosensitizing action by light emission of the phosphor. The phosphor has a light emitting band in an ultraviolet light region and has a maximum fluorescence wavelength of 405 nm and an average particle diameter of 15 nm or less. The active energy ray-curable ink contains 15-20 mass% of the phosphor and 3-5 mass% of the sensitizer.SELECTED DRAWING: None 【課題】塗膜内部の硬化性を向上させ、塗膜硬度を著しく高めることが可能な、活性エネルギー線硬化型インクを提供する。【解決手段】蛍光体と、前記蛍光体の発光により光増感作用を示す増感剤と、を含み、該蛍光体が、紫外光領域に発光帯を有し、該蛍光体の最大蛍光波長が４０５ｎｍであり、該蛍光体の平均粒子径が、１５ｎｍ以下であり、該蛍光体を１５〜２０質量％含み、該増感剤を３〜５質量％含む活性エネルギー線硬化型インク。【選択図】なし