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1. EP2764064 - A PROCESS FOR PREPARING A DISPERSION, DISPERSION, USE AND METHOD

Office
European Patent Office
Application Number 12770194
Application Date 26.09.2012
Publication Number 2764064
Publication Date 13.08.2014
Publication Kind B1
IPC
C09B 67/00
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; MORDANTS; LAKES
67Influencing the physical, e.g. the dyeing or printing, properties of dyestuffs without chemical reaction, e.g. by treating with solvents; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
C09D 11/322
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
32characterised by colouring agents
322Pigment inks
C09D 11/326
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
32characterised by colouring agents
322Pigment inks
326characterised by the pigment dispersant
C09K 23/00
CPC
C09D 11/322
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
32characterised by colouring agents
322Pigment inks
C09B 67/0013
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES ; , e.g. PIGMENTS; MORDANTS; LAKES
67Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents ; grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
0001Post-treatment of organic pigments or dyes
0004Coated particulate pigments or dyes
0008with organic coatings
0013with polymeric coatings
C09B 67/009
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES ; , e.g. PIGMENTS; MORDANTS; LAKES
67Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents ; grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
0071Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
0084Dispersions of dyes
0085Non common dispersing agents
009polymeric dispersing agent
C09B 67/0097
CCHEMISTRY; METALLURGY
09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
BORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES ; , e.g. PIGMENTS; MORDANTS; LAKES
67Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents ; grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
0097Dye preparations of special physical nature; Tablets, films, extrusion, microcapsules, sheets, pads, bags with dyes
C09D 11/326
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
32characterised by colouring agents
324containing carbon black
326characterised by the pigment dispersant
C09K 23/00
Applicants FUJIFILM IMAGING COLORANTS LTD
Inventors CORDWELL RICHARD
ELLIS GORDON
LOZMAN OWEN
TALLANT NEIL
Designated States
Priority Data 201117187 06.10.2011 GB
Title
(DE) VERFAHREN ZUR HERSTELLUNG EINER DISPERSION, DISPERSION, VERWENDUNG DAVON UND VERFAHREN DAFÜR
(EN) A PROCESS FOR PREPARING A DISPERSION, DISPERSION, USE AND METHOD
(FR) PROCÉDÉ POUR LA PRÉPARATION D'UNE DISPERSION, DISPERSION, UTILISATION ET PROCÉDÉ CORRESPONDANTS
Abstract
(EN) A process for preparing a dispersion comprising the stages: i) providing a dispersion comprising a particulate solid, a liquid medium and a dispersant having cross-linkable groups and a weight averaged molecular weight of from 1,000 to 70,000; and ii) cross-linking the dispersant in the presence of the particulate solid and the liquid medium thereby preparing a dispersion of an encapsulated particulate solid, wherein the cross-linking is performed such that 0.01 to 0.5 mmoles of cross-linkable groups in the dispersant are cross-linked per g of dispersant; said process also comprising at any stage: iii) adding a metal chelating agent to the dispersion; and after stage iii) the stage of: iv) removing at least some of the metal chelating agent from the dispersion.
(FR) L'invention porte sur un procédé pour la préparation d'une dispersion, comprenant les étapes suivantes : i) l'utilisation d'une dispersion comprenant une matière solide particulaire, un milieu liquide et un dispersant ayant des groupes réticulables et une masse moléculaire moyenne en poids de 1 000 à 70 000 ; et ii) la réticulation du dispersant en présence de la matière solide particulaire et du milieu liquide, ce qui permet de cette manière de préparer une dispersion d'une matière solide particulaire encapsulée, la réticulation étant effectuée de façon à ce que 0,01 à 0,5 mmole de groupes réticulables présents dans le dispersant soient réticulés pour un gramme de dispersant ; ledit procédé comprenant également au niveau de n'importe quelle étape : iii) l'ajout d'un agent chélatant les métaux à la dispersion ; et après l'étape iii), l'étape consistant à : iv) enlever au moins une partie de l'agent chélatant les métaux de la dispersion.
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