AQUEOUS INK SET FOR INKJET RECORDING

• Main Authors: KAWAHARADA YUKIHIKO, SATO YOSHIHIRO, KIMURA TOSHIHISA
• Format: Patent
• Language: English; French; Japanese
• Published: 03.10.2013
• 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

In this ink set that is for inkjet recording and that uses at least two types of ink, a first ink contains a coloring material, a resin having a hydroxyl group and/or a carboxyl group, and a water-soluble solvent and/or water, and a second ink contains a titanium or zirconium chelate compound having a hydroxy acid group and/or an aminocarboxylic acid group, and a water-soluble solvent and/or water. Preferably, the coloring material is a pigment and the resin having a hydroxyl group and/or a carboxyl group is dispersed in the water-soluble solvent and/or water. La présente invention concerne un ensemble d'encres, destiné à l'impression par jet d'encre et qui utilise au moins deux types d'encres. Une première encre contient un matériau de coloration, une résine qui comporte un groupe hydroxyle et/ou un groupe carboxyle, ainsi qu'un solvant hydrosoluble et/ou de l'eau. Une seconde encre contient un composé chélate de titane ou de zirconium, qui comporte un groupe acide hydroxy et/ou un groupe acide aminocarboxylique, ainsi qu'un solvant hydrosoluble et/ou de l'eau. De préférence, le matériau de coloration est un pigment et la résine, qui comporte un groupe hydroxyle et/ou un groupe carboxyle, est dispersée dans le solvant hydrosoluble et/ou l'eau.