Agfa Nv

Agfa Gevaert Nv

Agfa-gevaert

Agfa Graphics Nv

Eco3 Bv

Tim Desmet

Johan August Loccufier

Hubertus Van Aert

Patrick Van Den Bergen

Jens Lenaerts

Thomas Billiet

Peter Hendrikx

Ellen Bertels

Jos Louwet

Kristof Heylen

Philippe Moriame

Karen Demmers

Jan Sinnesael

Philippe Moriamé

An aqueous dispersion of resin particles comprising a dispersing group covalently bonded to the resin and at least one repeating unit of formula I, II and/or III and which is obtainable by contacting a compound A comprising at least 2 functional groups selected from the group of functional groups —X—C(═O)—CHR1-C(═O)—R2, —X—C(═O)—C≡C—R2; or —X—C(═O)—CR1═CR2-NR11R12, with a compound B comprising at least two —NH, —NHor —N═C═O, wherein X, R1, R2, R3, R11 and R12 have the same meaning as that defined in the claims and wherein compound A and/or B comprise a dispersing group. The invention also includes a method of producing the aqueous dispersion and further relates to an aqueous inkjet ink comprising the resin particles.

Aqueous dispersion of resin particles

A negative-working lithographic printing plate precursor includes a coating including vinylogous vitrimer particles. The vinylogous vitrimer particles include a resin having at least one moiety of formula (I), (II), and/or (III): 

Lithographic printing plate precursor

An aqueous dispersion of capsules including a resin having at least one repeating unit of formula I, II, and/or III and which is obtainable by contacting, in a liquid including water, a compound A including at least 2 functional groups selected from the functional groups &#x2014;X&#x2014;C(&#x2550;O)&#x2014;CHR1-C(&#x2550;O)&#x2014;R2, &#x2014;X&#x2014;C(&#x2550;O)&#x2014;C&#x2261;C&#x2014;R2; or &#x2014;X&#x2014;C(&#x2550;O)&#x2014;CR1=CR2-NR11R12, with a compound B including at least two of &#x2014;NH, &#x2014;NH, or &#x2014;N&#x2550;C&#x2550;O. A method of producing the aqueous dispersion further relates to an aqueous ink jet ink including the resin capsules. 

Aqueous dispersion of polymeric capsules

A lithographic printing plate precursor includes, on a support, a layer of graphite oxide capable of switching from a hydrophilic state into a hydrophobic state upon exposure to heat and/or light.

Lithographic printing plate precursor comprising graphite oxide

A method according for preparing a lithographic printing plate containing a lithographic image consisting of printing areas and non-printing areas includes the steps of jetting and curing droplets of a first curable fluid on a hydrophilic support thereby forming a printing area of the lithographic image; and jetting and curing droplets of a second curable fluid in a non-printing area of the lithographic image thereby forming a hydrophilic protective layer on the hydrophilic support.

Method for preparing a lithographic printing plate precursor

A method of preparing a lithographic printing plate includes the steps printing a liquid on a lithographic support to form a printing area which corresponds to a raster image, wherein the raster image includes a section which has a tone-value from 90% to 100%, and the jetted liquid droplets for this section, on a corresponding part from the printing area on the lithographic support, are contactless with each other.

Sustainable lithographic printing plate

A method of preparing a first and second lithographic printing plate for lithographic printing of a color digital image on a receiver wherein the color digital image includes a plurality of colorant separations; the method including the steps of jetting droplets by an inkjet CTP system on a first lithographic support for the first lithographic printing plate thereby forming a printing area of a first lithographic image which represents a first colorant separation of the plurality of colorant separations; and jetting droplets by the inkjet CTP system on a second lithographic support for the second lithographic printing plate thereby forming a printing area of a second lithographic image which represents a second colorant separation of the plurality of colorant separations; and wherein the method of preparing a first and second lithographic printing plates is characterized by forming a part of or whole the first and second lithographic image in a print pass by the inkjet CTP system.

Inkjet CTP method for preparing a set of lithographic printing plates

A positive-working lithographic printing plate includes a support having a hydrophilic surface or a hydrophilic layer, and a heat- and/or light-sensitive coating provided including at least two different (ethylene vinyl) acetal copolymer including a plurality of ethylenic moieties A having a structure according to the following formula: wherein Rand Rindependently represent hydrogen, a halogen or an optionally substituted linear, branched, or cyclic alk(en)yl group, or an optionally substituted aromatic or heteroaromatic group.

Lithographic printing plate precursor including (ethylene, vinyl acetal) copolymers

A copolymer includes (i) a plurality of ethylenic moieties A having a structure according to the formula:  

(Ethylene, vinyl acetal) copolymers and their use in lithographic printing plate precursors

An (ethylene, vinyl acetal) copolymer includes (i) a plurality of ethylenic moieties A having a structure according to the formula: wherein Rand Rindependently represent hydrogen, a halogen, an optionally substituted linear, branched or cyclic alk(en)yl group, or an optionally substituted aromatic or heteroaromatic group; (ii) a plurality of acetal moieties B having a structure according to the formula: wherein Lrepresents a divalent linking group; X=0 or 1; and Rrepresents an optionally substituted aromatic or heteroaromatic group including at least one hydroxyl group; and (iii) a plurality of acetal moieties C and/or moieties D which are different from the acetal moieties B, and which include at least one nitrogen atom.

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Mortsel, Belgium

Tim Desmet