NON-AQUEOUS INKJET INK COMPOSITION AND PRINTED MATTER OBTAINED BY USING THE SAME

• Main Authors: KINJO JUN, UENO YOSHIAKI, AOKI KATSUYUKI, YODO TAKAAKI, OKAMOTO TAKUYA
• Format: Patent
• Language: English; Japanese
• Published: 20.11.2014
• 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 a non-aqueous inkjet ink composition excellent in wettability, fixability and solid embedment preventive property to a matter to be printed composed of a vinyl polymer or the like, and excellent in discharge stability.SOLUTION: There is provided a non-aqueous inkjet ink composition containing at least one vinyl polymer selected from a group consisting of vinyl chloride polymer and ethylene-vinyl acetate copolymer as a binder resin, a pigment, a pigment dispersant and alkylene glycol dialkyl ether as an organic solvent, and further containing acetylene glycol represented by the general formula and an alkylene oxide addition product thereof of 0.1 to 10 mass%. In the formula, Rto Rare alkyl groups having 1 to 4 carbon atoms, p is 2 or 3 and 0≤q+r≤10. 【課題】ビニル系重合体等からなる被印刷物に対して、濡れ性、定着性、ベタ埋まり防止性に優れ、且つ吐出安定性にも優れる非水性インクジェット用インキ組成物を提供する。【解決手段】塩化ビニル系重合体、およびエチレン−酢酸ビニル系共重合体よりなる群から選択される少なくとも１種のビニル系重合体をバインダー樹脂とし、顔料、顔料分散剤、及び有機溶剤としてアルキレングリコールジアルキルエーテルを含有してなる非水性インクジェット用インキ組成物であって、さらに、下記一般式で表わされるアセチレングリコール及びそのアルキレンオキサイド付加物を非水性インクジェット用インキ組成物中に０．１〜１０質量％含有する非水性インクジェット用インキ組成物。〔式中、Ｒ１〜Ｒ４は炭素数１〜４のアルキル基、ｐは２または３、０≦ｑ＋ｒ≦１０〕【選択図】なし