INK AND INKJET RECORDING METHOD

• Main Authors: TAKAHASHI HIROTOSHI, IWAMI MAIKO, KAWAGUCHI AKIRA
• Format: Patent
• Language: English; Japanese
• Published: 16.11.2017
• 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 ink that can form an increased dot diameter when attached on a recording medium.SOLUTION: An ink contains a quinacridone pigment and an azo pigment, water, and a compound represented by the following formula (1) of a specific amount [Ris hydroxy or the like; Ris H or alkyl; Ris H or alkyl, Ris H, hydroxy or alkyl, Ris alkyl].SELECTED DRAWING: None 【課題】記録メディアに付着したときに、より大きいドット径を形成できるインクの提供。【解決手段】キナクリドン顔料とアゾ顔料、水、及び下記式（１）で表される化合物を特定量含有するインク。［Ｒ１はヒドロキシ等；Ｒ２はＨ又はアルキル；Ｒ３はＨ又はアルキル、Ｒ４はＨ、ヒドロキシ又はアルキル、Ｒ５はアルキル］【選択図】なし