Ink composition

Provided is an ink composition which has stable inkjet dischargeability, satisfactory curability, and suppressed occurrence of banding, and which gives print materials having high glossiness and high image quality. The ink composition comprises (Component A) a colorant, (Component B) a radical polym...

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Bibliographic Details
Main Author OSHIMA, YASUHITO
Format Patent
LanguageEnglish
French
German
Published 30.03.2016
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:Provided is an ink composition which has stable inkjet dischargeability, satisfactory curability, and suppressed occurrence of banding, and which gives print materials having high glossiness and high image quality. The ink composition comprises (Component A) a colorant, (Component B) a radical polymerization initiator, and (Component C) a radical polymerizable compound, while the (Component B) radical polymerization initiator includes a compound represented by the formula (B-I) and a compound represented by formula (B-II), the ink composition comprises the compound represented by the formula (B-I) in an amount of from 1 % by mass to 7 % by mass based on the total mass of the ink composition, and the ink composition comprises the compound represented by the formula (B-II) in an amount of from 1 % by mass to 14 % by mass.
Bibliography:Application Number: EP20120159029