Inkjet printing ink composition, ink jet recording method, and, printed matter

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PROBLEM TO BE SOLVED : To provide an ink composition for inkjet recording, excellent in curability, adhesiveness and flexibility and giving mat-like images.SOLUTION : The ink composition is characterized by comprising a photopolymerization initiator, 1 to 10 wt.% of an epoxy (meth)acrylate oligomer, and >30 wt.% and ≤60 wt.% of a monofunctional monomer of formula (C-1) (wherein, Ris H or methyl; X is a single bond, alkylene group, oxyalkylene group, a group combining two or more oxyalkylene groups, ester bond, a group combining two or more these groups; Rand Rare each H, alkyl; Rto Rare each H, alkyl, alkoxy, amino, aminoalkyl; at least one of Rto Ris H, and two or more of Rto Rmay be bound to each other to form a ring).