Agfa Nv

Agfa-gevaert

Luc Decoster

Johan August Loccufier

Hubertus Van Aert

Ellen Bertels

Marin Steenackers

Jos Louwet

Johan Loccufier

A fluid set for inkjet printing comprises an aqueous ink jet ink and a co-reactive fluid. The ink jet ink comprises a pigment and a polymeric dispersing agent having a functional group capable of reacting with a primary or secondary amine. The co-reactive fluid comprises a compound having at least two functional groups selected from the group consisting of primary amines and secondary amines. The co-reactive fluid is preferably a primer, an inkjet ink or an over print varnish.

Fluid set for inkjet recording

An aqueous dispersion of a capsule composed of a polymeric shell surrounding a core, the shell comprising a silanol containing compound or condensation product thereof covalently bonded to the polymer of the shell. The aqueous dispersion can be used in an aqueous inkjet ink composition.

Aqueous resin based inkjet inks

An aqueous dispersion of a capsule composed of a polymeric shell surrounding a core, the core containing an amine blocked isocyanate, the amine blocked isocyanate comprises at least two isocyanate groups blocked by a blocking group, the blocking groups are independently from each other represented by a secondary amine. The aqueous dispersion is suitable as reactive binder chemistry in coatings and inks.

Encapsulated amine blocked isocyanates

An amino functionalized siloxane resin particle obtainable by polycondensation of a cationic alkoxysilane surfactant according to general formula I (I) and an amino functionalized alkoxysilane according to general formula (II). The amino functionalized siloxane resin particle can be incorporated in jettable liquids for inkjet printing.

Amine functionalized siloxane resin particles

An aqueous ink comprising a dispersion of a capsule composed of a polymeric shell surrounding a core, the core includes one or more chemical reactants capable of forming a reaction product upon application of heat and/or radiation, the shell is stabilized by cationic dispersing groups and a colorant stabilised by cationic dispersing groups.

Aqueous inks comprising capsules stabilised by cationic dispersing groups

An aqueous dispersion of a capsule composed of a polymeric shell surrounding a core, wherein the core contains a silicone containing compound. The dispersion is suitable for pre-treatment liquids and inkjet inks in textile printing.

An aqueous pigment dispersion includes at least one dispersing agent having the general formula:  The aqueous pigment dispersion can be used in an aqueous inkjet ink which is useful for printing on textile fabrics.

Aqueous pigment inkjet ink

An aqueous dispersion of a capsule is composed of a polymeric shell surrounding a core, the core includes one or more chemical reactants capable of forming a reaction product upon application of heat and/or radiation and the shell is stabilized by cationic dispersing groups.

Capsules stabilised by cationic dispersing groups

A fluid set for textile printing includes an aqueous inkjet ink containing a pigment stabilized by anionic dispersing groups and an aqueous pre-treatment liquid. The aqueous pre-treatment liquid includes a capsule having a core including a thermally reactive crosslinker and a polymeric shell stabilized by cationic dispersing groups.

Fluid set comprising a pre-treatment liquid and an inkjet ink

An inkjet ink includes a) an aqueous medium; and b) capsules composed of a polymeric shell surrounding a core; wherein the capsules are dispersed in the aqueous medium using a dispersing group covalently bonded to the polymeric shell; wherein the core contains a photoinitiator and one or more chemical reactants capable of forming a reaction product upon application of UV light; wherein the capsules have an average particle size of no more than 4 &#x3bc;m as determined by dynamic laser diffraction; and wherein the photoinitiator is a diffusion hindered photoinitiator selected from the group consisting of multifunctional photoinitiators, oligomeric photoinitiators, polymeric photoinitiators and polymerizable photoinitiators.

An inkjet ink includes a) an aqueous medium; and b) capsules composed of a polymeric shell surrounding a core; wherein the capsules are dispersed in the aqueous medium using a dispersing group covalently bonded to the polymeric shell; the core contains one or more chemical reactants capable of forming a reaction product upon application of heat and/or infrared light; and the capsules have an average particle size smaller than 4 &#x3bc;m as determined by dynamic laser diffraction.

A color laser markable article includes at least a first and a second laser markable layer including, respectively, a first infrared dye IR-1 having an absorption maximum in the infrared region &#x3bb;(IR-1) and a second infrared dye IR-2 having an absorption maximum in the infrared region &#x3bb;(IR-2), characterized in that the color laser markable layers further include a Diffusion Hindered Molecular Assembly (DHMA) which contains a leuco dye.

Laser markable materials and documents

An inkjet printing method includes the steps of: a) jetting on a substrate one or more aqueous UV curable inkjet inks including at least one photoinitiator and capsules composed of a cross-linked polymeric shell surrounding a core, with the core containing UV curable compounds; and b) applying UV radiation to the one or more aqueous UV curable inkjet inks jetted on the substrate.

UV curable inkjet inks

An inkjet ink includes a) an aqueous medium; and b) capsules composed of a polymeric shell surrounding a core; wherein the capsules are dispersed in the aqueous medium using a dispersing group covalently bonded to the polymeric shell; the core contains one or more chemical reactants capable of forming a reaction product upon application of heat and/or light; the polymeric shell includes a polymer selected from the group consisting of polyureas, polyesters, polycarbonates, polyamides, and melamine based polymers and copolymers thereof; and the capsules have an average particle size of no more than 4 &#x3bc;m as determined by dynamic laser diffraction.

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Mortsel, Belgium

Luc Decoster