PIGMENT DISPERSANT, AQUEOUS PIGMENT DISPERSION COMPOSITION, AQUEOUS INK, INK CARTRIDGE, RECORDING APPARATUS AND RECORDING METHOD

• Main Authors: SHINYA TOMOHIRO, YOSHIMURA KOSAKU
• Format: Patent
• Language: English; Japanese
• Published: 18.10.2018
• 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; PREPARATION OF CARBON BLACK; PRINTING; PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; SELECTIVE PRINTING MECHANISMS; STAMPS; TRANSPORTING; TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES; TYPEWRITERS; USE OF MATERIALS THEREFOR; WOODSTAINS

PROBLEM TO BE SOLVED: To provide a pigment dispersant excellent in pigment storage stability in an aqueous medium including an organic solvent in a neutral or weakly alkaline region.SOLUTION: A pigment dispersant is a polymer having a structural unit represented by general formula (1) in the figure...