ACTIVE ENERGY RAY-CURABLE INKJET INK COMPOSITION, AND PRINTED MATTER AND PRODUCTION METHOD OF THE SAME

• Main Authors: MASUDA NAOYUKI, MINAMI KAZUO, KANDA YUYA, HAYASHI HIROKI, KODERA TAKEHIRO
• Format: Patent
• Language: English; Japanese
• Published: 17.11.2016
• 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

PROBLEM TO BE SOLVED: To provide an active energy ray-curable inkjet ink composition, from which a print layer having high hardness and excellent scratch resistance can be formed.SOLUTION: The active energy ray-curable inkjet ink composition comprises at least: (A) a compound having a (meth)acryloyl group and a vinyl ether group in the molecule; (B) a photopolymerization initiator; (C) a crosslinking agent having two or more crosslinkable groups having reactivity on a vinyl ether group but having no radical polymerizable and/or ionic polymerizable group; and (D) a compound having three or more (meth)acryloyl groups in the molecule but no vinyl ether group.SELECTED DRAWING: None 【課題】高硬度で耐擦過性に優れる印刷層を形成可能な活性エネルギー線硬化型インクジェットインク組成物を提供する。【解決手段】（Ａ）分子内に（メタ）アクリロイル基及びビニルエーテル基を有する化合物と、（Ｂ）光重合開始剤と、（Ｃ）分子内に、ビニルエーテル基に対し反応性を有する架橋性基を２つ以上有するがラジカル重合性及び／又はイオン重合性の重合性基を有しない架橋剤と、（Ｄ）分子内に３つ以上の（メタ）アクリロイル基を有するがビニルエーテル基を有しない化合物とを少なくとも含むことを特徴とする活性エネルギー線硬化型インクジェットインク組成物である。【選択図】なし