PHOTOCURABLE INK COMPOSITION FOR INKJET PRINTING, AND PRINTED MATERIAL

A photocurable ink composition for inkjet printing is obtained that has superior curability with respect to light from a light-emitting diode, has favorable adhesion to a polyvinyl chloride-based sheet, and is able to adequately inhibit the occurrence of cockling. The photocurable ink composition fo...

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Bibliographische Detailangaben
Hauptverfasser:	ONO TAICHI, MIZUTANI SHINYA, TSUCHIYA TATSURO
Format:	Patent
Sprache:	eng ; fre ; ger
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:	A photocurable ink composition for inkjet printing is obtained that has superior curability with respect to light from a light-emitting diode, has favorable adhesion to a polyvinyl chloride-based sheet, and is able to adequately inhibit the occurrence of cockling. The photocurable ink composition for inkjet printing at least has: a photopolymerizable compound; a photopolymerization initiator; and a sensitizer, wherein benzyl acrylate, N-vinylcaprolactam and an acrylated amine compound having two photopolymerizable functional groups and two amino groups in a molecule thereof are contained as the photopolymerizable compound, the content of the benzyl acrylate is 20 to 65% by mass in the photocurable ink composition for inkjet printing, a compound exhibiting an initiator function when irradiated with light having a wavelength of 450 to 300 nm is contained as the photopolymerization initiator, a compound exhibiting a sensitizer function when irradiated with light having a wavelength of 400 nm or longer is contained as the sensitizer, and a flash point as measured using a SETA closed-cup flash point tester according to a method in compliance with JIS K2256 is 70°C or higher.