Kodak Graphic Communications Gmbh

Eastman-kodak Company

Ursula Muller

Hans-Joachim Timpe

Jianbing Huang

Harald Baumann

Udo Dwars

Ulrich Fiebag

Bernd Strehmel

Tobias Wittig

Harold Baumann

Radiation-sensitive element comprising a substrate and a radiation-sensitive coating comprising (a) at least one component selected from photoinitiators and sensitizer/coinitiator systems which absorbs radiation of a wavelength in the range of 250 to 1,200 nm; (b) at least one free-radical polymerizable oligomer A having an average molecular weight in the range of 3,500 to 9,000 determined by GPC, obtainable by reacting a triisocyanate with (i) at least one acrylic or methacrylic monomer with two free OH groups and at least one (meth)acrylic group and (ii) at least one compound comprising one OH group, at least one (meth)acrylic group and at least one poly(alkyleneoxide) chain in the molecule, wherein the (meth)acrylic monomer (i) is present in an amount of 2 to 20 mole-%, based on the total amount of (meth)acrylic compounds with OH functionality.

Photopolymer composition usable for lithographic plates

Lithographic printing plate precursor comprising: a) an untreated or pretreated substrate and b) a radiation-sensitive coating comprising: (i) at least one polymeric binder soluble or swellable in aqueous alkaline developers; (ii) at least one free-radical polymerizable monomer and/or oligomer comprising at least one non-aromatic C&#x2014;C double bond and at least one SH group in the molecule; and (iii) a radiation-sensitive initiator or initiator system for free-radical polymerization, wherein component (ii) has the formula (I) wherein each R, Rand Ris independently selected from H, C-Calkyl, C-Calkenyl, aryl, halogen, CN and COOR, wherein Ris H, C-Calkyl, C-Calkenyl, C-Calkynyl or aryl; and Z is an aliphatic, heterocyclic or heteroaromatic spacer or a combination of two or more thereof, wherein Z can optionally comprise one or more additional SH groups and/or one or more additional non-aromatic C&#x2014;C double bonds; and each Zis independently selected from a single bond, formulae (Ia), (Ib), (Ic), (Id), (Ie), (If), (Ig), (Ih), (Ij), (Ik), (Im), (In), (Io), (Ip), (Iq), (Ir), (Is), (It), (Iu), (Iv), wherein R, Rand Rare independently selected from H, C-Calkyl and aryl, Zis selected from a single bond, O, S and NR, Zis a single bond which is connected to Z, b is an integer from 1 to 10 and c is an integer from 1 to 3. 

Lithographic printing plate precursors with mercapto-functionalized free-radical polymerizable monomers

Lithographic substrate comprising (a) a dimensionally stable plate- or foil-shaped support, (b) an aluminum oxide layer provided on at least one side of the support (a), and (c) a hydrophilic layer applied onto the aluminum oxide layer comprising at least one phosphono-substituted siloxane of the general formula (I). 

Interlayer for lithographic printing plates

1,4-dihydropyridine-containing IR-sensitive composition and use thereof for the production of imageable elements

Growing community of inventors

Herzberg am Harz, Germany

Ursula Muller