INKJET INK, INKJET PRINTING PROCESS AND INK SET FOR FORMING AN IMAGE ON A SUBSTRATE AND AQUEOUS PIGMENT DISPERSION FOR FORMING THE INKJET INK

INKJET INK, INKJET PRINTING PROCESS AND INK SET FOR FORMING AN IMAGE ON A SUBSTRATE AND AQUEOUS PIGMENT DISPERSION FOR FORMING THE INKJET INK

Inkjet ink for forming an image on a substrate, the inkjet ink comprising a pigment P, a first block copolymer dispersant D1 for dispersing the pigment P and a second block copolymer dispersant D2 for dispersing the pigment P, and an aqueous carrier; wherein said first block copolymer dispersant D1...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: OP DE BEECK, Werner Jozef Johan, DEPREZ, Lode Erik Dries, VAN GAENS, Wouter Jeroom Maria, DE VOS, Nils Margaretha Robert, WYNS, Lore
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ADHESIVES
CHEMICAL PAINT OR INK REMOVERS
CHEMISTRY
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES ORLACQUERS
CORRECTING FLUIDS
DYES
FILLING PASTES
INKS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
PASTES OR SOLIDS FOR COLOURING OR PRINTING
POLISHES
USE OF MATERIALS THEREFOR
WOODSTAINS
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Beschreibung
Zusammenfassung:Inkjet ink for forming an image on a substrate, the inkjet ink comprising a pigment P, a first block copolymer dispersant D1 for dispersing the pigment P and a second block copolymer dispersant D2 for dispersing the pigment P, and an aqueous carrier; wherein said first block copolymer dispersant D1 is different from said second block copolymer dispersant D2, wherein each block copolymer dispersant D1, D2 comprises an anchoring segment A1, A2 for anchoring to the pigment P, wherein each of the block copolymer dispersant D1, D2 additionally comprises a matrix stabilization segment M for aqueous phase stabilization of the pigment P, wherein the anchoring segment A1 of the first block copolymer dispersant D1 comprises a repeating unit R1 and the anchoring segment A2 of the second block copolymer dispersant D2 comprises a repeating unit R2, wherein the repeating unit R1 is less hydrophobic than the repeating unit R2.