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1. WO2021112819 - INKJET INK COMPOSITION

Publication Number WO/2021/112819
Publication Date 10.06.2021
International Application No. PCT/US2019/063972
International Filing Date 02.12.2019
IPC
C09D 11/30 2014.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
30Inkjet printing inks
C09D 11/023 2014.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
02Printing inks
023Emulsion inks
C09D 11/38 2014.01
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
DCOATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11Inks
30Inkjet printing inks
38characterised by non-macromolecular additives other than solvents, pigments or dyes
B82Y 30/00 2011.01
BPERFORMING OPERATIONS; TRANSPORTING
82NANOTECHNOLOGY
YSPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE  OR TREATMENT OF NANOSTRUCTURES
30Nanotechnology for materials or surface science, e.g. nanocomposites
Applicants
  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US]/[US]
Inventors
  • DALBY, Kellie S.
  • ADAMIC, Raymond
  • HINCH, Garry
Agents
  • COSTALES, Shruti
  • DIERKER, Julia Church
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) INKJET INK COMPOSITION
(FR) COMPOSITION D’ENCRE POUR JET D’ENCRE
Abstract
(EN)
An example of an inkjet ink composition includes an aqueous vehicle, a colorant dispersed or dissolved in the aqueous vehicle, silica nanoparticles dispersed in the aqueous vehicle, and modified silica nanoparticles dispersed in the aqueous vehicle. Each modified silica nanoparticle includes a silica core as well as a hydrophobic silane coupling agent attached to the silica core.
(FR)
Un exemple d'une composition d'encre pour jet d'encre comprend un véhicule aqueux, un colorant dispersé ou dissous dans le véhicule aqueux, des nanoparticules de silice dispersées dans le véhicule aqueux, et des nanoparticules de silice modifiées dispersées dans le véhicule aqueux. Chaque nanoparticule de silice modifiée comprend un noyau de silice ainsi qu'un agent de couplage au silane hydrophobe fixé au noyau de silice.
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