ELECTRON BEAM CURING TYPE INKJET INK, AND PRINTED MATTER OF THE SAME

To provide electron beam curing type inkjet ink which has good curability and discharge property, and has good flexibility, scratch resistance and image quality.SOLUTION: Electron beam curing type inkjet ink contains a coloring agent, a polymerizable compound and a resin having a rotaxane skeleton,...

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Bibliographic Details
Main Author ASAI TARO
Format Patent
LanguageEnglish
Japanese
Published 06.07.2022
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
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Summary:To provide electron beam curing type inkjet ink which has good curability and discharge property, and has good flexibility, scratch resistance and image quality.SOLUTION: Electron beam curing type inkjet ink contains a coloring agent, a polymerizable compound and a resin having a rotaxane skeleton, in which the polymerizable compound contains a monofunctional monomer and/or a bifunctional monomer, the bifunctional monomer contains dipropylene glycol diacrylate, a content of the total of the monofunctional monomer and the bifunctional monomer is 70-90 mass% with respect to the total mass% of the electron beam curing type inkjet ink, a content of the dipropylene glycol diacrylate is 50-85 mass% with respect to the total mass of the electron beam curing type inkjet ink, a content of the resin having the rotaxane skeleton is 0.1-5 mass% with respect to the total mass of the electron beam curing type inkjet ink, and viscosity at 25°C is 100 mPa s or less.SELECTED DRAWING: None 【課題】硬化性、吐出性が良好であり、かつ、柔軟性、擦過性、画質が良好である電子線硬化型インクジェットインキを提供すること。【解決手段】着色剤、重合性化合物、およびロタキサン骨格を有する樹脂を含有する電子線硬化型インクジェットインキであって、重合性化合物が単官能モノマーおよび／または二官能モノマーを含有し、二官能モノマーがジプロピレングリコールジアクリレートを含有し、単官能モノマーおよび二官能モノマーの合計の含有量が電子線硬化型インクジェットインキの全質量％に対して７０～９０質量％であり、ジプロピレングリコールジアクリレートの含有量が電子線硬化型インクジェットインキの全質量に対して５０～８５質量％であり、ロタキサン骨格を有する樹脂の含有量が電子線硬化型インクジェットインキの全質量に対して０．１～５質量％であり、２５℃における粘度が１００ｍＰａ・ｓ以下である電子線硬化型インクジェットインキ。【選択図】なし
Bibliography:Application Number: JP20200215471