Flint Group Germany Gmbh

Other

Basf Aktiengesellschaft

Xsys Print Solutions Deutschland, Gmbh

Xsys Germany Gmbh

Armin Becker

Uwe Stebani

Matthias Beyer

Jens Schadebrodt

Uwe Krauss

Thomas Telser

Andreas Reifschneider

Maximilian Thate

Bernd Bruchmann

Werner Bertleff

Ulrich Steuerle

Ulrich Treuling

Margit Hiller

Denis Riewe

Alfred Leinenbach

Martin Kreyenschmidt

Rainer Rahm

Joelle Bedat

Josef Rothen

Andreas Arlt

Jochen Unglaube

Peter Fronczkiewicz

Christian Pietsch

Claudia May

Margit Teltschik

Jürgen Decker

Torben Wendland

Andrea Wochele

Isabel Schlegel

Anja Wundling

Peter J Fronczkiewicz

Willi Riegel

Christian Arnold

Berthold Geisen

A photopolymerisable relief precursor includes a dimensionally stable carrier, and a photopolymerisable relief-forming layer at least containing a crosslinkable elastomeric binder, an ethylenically unsaturated monomer, a migration-capable, surface-active additive, a photoinitiator activatable with UVA light and a photoinitiator activatable with UVC light. A method for producing a relief structure.

Photopolymerizable relief precursor having adjustable surface properties

The invention relates to a radiation-curable mixture for generating relief structures, comprising

Radiatioin-curable mixture containing low-functionalised, partially saponified polyvinyl acetate

A digitally imageable, photopolymerizable relief precursor at least comprising, arranged one above another in the order stated,

Relief precursor having low cupping and fluting

Methods for producing cylindrical flexographic printing elements, the cylindrical flexographic printing elements having a relief-forming layer, and the relief-forming layer being produced by successive application of a plurality of layers of a relief-forming material in liquid melt form, preferably of a photopolymerizable material in liquid melt form, to a rotating cylindrical sleeve in a continuous process.

Method for producing cylindrical flexo printing elements

A method for producing flexographic printing plates, using a photopolymerizable flexographic printing element having, arranged one atop another, a dimensionally stable support, a photopolymerizable, relief-forming layer, an elastomeric binder, an ethylenically unsaturated compound, and a photoinitiator, and optionally a rough, UV-transparent layer, a particulate substance, and digitally imagable layer. The method includes: (a) producing a mask by imaging the digitally imagable layer, (b) exposing the photopolymerizable, relief-forming layer through the mask with actinic light, and photopolymerizing the image regions of the layer, and (c) developing the photpolymerized layer by washing out the unphotopolymerized regions of the relief-forming layer with an organic solvent, or by thermal development. Step (b) includes (1) exposure with actinic light with an intensity of &#x2265;100 mW/cm2 from a plurality of UV-LEDs and (2) exposure with actinic light with an intensity of &#x3c;100 mW/cm2 from a UV radiation source other than UV-LEDs.

Method for producing flexographic printing plates using UV-LED irradiation

A digitally imageable, photopolymerizable flexographic printing element that includes, disposed one above another in order, at least a dimensionally stable support, at least one photopolymerizable, relief-forming layer having a layer thickness of 300-6000 &#x3bc;m, including at least one elastomeric binder, an ethylenically unsaturated monomer, and a photoinitiator or a photoinitiator system, an oxygen-blocking barrier layer which is transparent to UVA light and has a layer thickness of 0.3-5 &#x3bc;m, a laser-ablatable mask layer having a layer thickness of 0.3-5 &#x3bc;m, including at least one elastomeric binder and a material which absorbs UV/VIS light, and a removable outer film, wherein the at least one relief-forming layer, the barrier layer and the mask layer are soluble or dispersible in an organic solvent, and the barrier layer includes at least one oxygen-blocking binder and an oligomeric or polymeric basic adhesion component.

Digitally imageable flexo-printing plate with integrated barrier layer

Photopolymerizable, preferably digitally imageable photopolymerizable, flexographic printing elements having a PET support sheet of low thermal shrinkage, methods of preparing such flexographic printing elements and their use for making flexographic printing plates by imagewise exposure to light, washing out with organic solvents and drying, wherein said drying is carried out at temperatures of more than 60&#xb0; C.

Flexographic printing elements that can be dried rapidly

Digitally imagable flexographic printing elements for producing flexographic printing plates, which comprise an organically soluble relief-forming layer, a water-soluble barrier layer for oxygen, and a water-soluble laser-ablatable mask layer. A method for producing flexographic printing plates using such flexographic printing elements, which comprises a two-stage washout procedure using aqueous and organic washout media.

Digitally exposable flexographic printing element and method for producing flexographic printing plates

Digital imageable flexographic printing elements for producing flexographic printing plates, which are developable using hydrocarbon-comprising washout media and which, between the photopolymerizable layer and the digital imageable layer, have a polar, ultrathin, oxygen-blocking barrier layer. Methods for producing flexographic printing plates using such digital imageable flexographic printing elements, by imaging, exposing, washing out, drying, and post-treating, the washout being formed by means of hydrocarbon-comprising washout media.

Flexographic printing element which can be digitally imaged and has a polar, ultra-thin barrier layer

Process of manufacturing flexagraphic printing firms using digital flexographic printing elements as starting material by imaging, main exposure in the presence of oxygen, development and finishing. The process comprises an additional embossing step in which the surface of the developed printing form is texturized thereby improving the print quality of the printing form.

Process of manufacturing flexographic printing forms

Photopolymerisable layered composite for producing flexo printing elements

The invention relates to photopolymerizable flexographic printing elements which contain ethylenically unsaturated, alicyclic monomers and hard flexographic printing plates, in particular cylindrical continuous seamless flexographic printing plates, which can be produced therefrom.

Photopolymerizable flexographic printing elements and hard flexographic printing formes which are produced therefrom

Flexographic printing plates are produced by thermal development by a process in which an imagewise exposed flexographic printing element is developed by heating and removing the softened, unpolymerized parts of the relief-forming layer, the flexographic printing element containing a styrene/butadiene block copolymer as a mixture with a plasticizer, and the proportion of butadiene which is present in 1,2-linked form being from 15 to 50% by weight, based on the block copolymer.

Method for producing flexographic printing forms by thermal development

The invention relates to polyurethane foams comprising

Modified polyurethane foamed materials used as adsorbents

Growing community of inventors

Groβniedesheim, Germany

Armin Becker