Abstract: The present invention provides an imaging element comprising on a support a photosensitive layer containing a photopolymerizable composition containing a urethane type monomer mixture according to the formula (I) as defined in the claims and description. There is further provided a method for obtaining images and/or a lithographic printing plate therewith.

Abstract: Dye-image receiving element for use according to thermal dye sublimation transfer comprising a support having thereon a dye-image receiving layer comprising a plasticizer, characterized in that the plasticizer is a di(hetero)aryl carbonate having not more than four recurring units between the two (hetero)aryl moieties.

Abstract: Dye-image receiving element for use according to thermal dye sublimation transfer comprising a support having thereon a dye-image receiving layer and optionally a toplayer wherein the dye-image receiving layer or the toplayer comprises the cured product of a moisture-curable binder composition prepared by mixing the following components (A) and (B):(A) 30 to 99 parts by weight of at least one copolymer of olefinically unsaturated compounds having a weight-average molecular weight [Mw] of at least 1500 and containing chemically incorporated moieties capable of undergoing an addition reaction with amino groups, and(B) 1 to 70 parts by weight of organic substances containing blocked amino groups from which substances under the influence of moisture compounds having free primary and/or secondary amino groups are formed,wherein i) the copolymers of component (A) contain intramolecularly bound carboxylic anhydride moieties, with the anhydride equivalent weight of the copolymers being from 196 to 9800 and ii) the bi

Abstract: According to the present invention a method is provided for obtaining an image comprising the steps of:information-wise exposing an imaging element comprising on a support a photosensitive layer containing a photopolymerizable composition and a base layer located between said support and said photosensitive layer and wherein said base layer is contiguous to said photosensitive layer and comprises a polymer containing polymerizable ethylenically unsaturated groups andtransferring upon heating the non-hardened or insufficiently hardened parts of said photosensitive layer to an image receiving material. When the image receiving material contains a hydrophilic surface a lithographic printing plate can be obtained.

Abstract: An imaging element is disclosed comprising on a support a dye precursor and a color developer arranged in the same layer or in separate layers characterized in that a specific type of monomers according to one of formulas (I) or (II) and a photoinitiator is present in a layer containing said dye precursor and/or color developer. The imaging element of the invention can used as photosensitive as well as heat-sensitive imaging element for obtaining an image.

Abstract: A method is disclosed for the formation of an image comprising the steps of(1) image-wise exposing, in the presence of a photopolymerizable compound, a photosensitive element comprising a support and at least one photosensitive layer containing a silver halide sensitive to actinic radiation, an organic silver salt and a reducing agent,(2) heating said photosensitive layer while in contact with a receiving element and allowing non-photopolymerized compound in the non-exposed areas to transfer and penetrate in said receiving element, and,(3) separating said receiving element from said photosensitive element.The obtained image can be a useful visible image produced on at least one of the separated elements, or it can be a hydrophobic polymer image on a hydrophilic background formed in the finally separated-receiving element which is usable as a printing plate. In the former embodiment the receiving element comprises a support and a layer containing a pigment, e.g. carbon black.

Abstract: A thermal imaging process comprising the step of imagewise heating a donor element so as to transfer therefrom colored matter onto a contacting receptor element, characterized in that before said imagewise heating said receptor element contains in a layer at least one substance that by heat applied in the transfer of said colored matter undergoes a change giving rise to an increase in optical density.

Abstract: Dye-image receiving element for use according to thermal dye sublimation transfer comprising a support having thereon a dye-image receiving layer containing a (co)polyester comprising condensation residues of one or more diols and one or more dicarboxylic acids and further comprising condensation residues of one or more hydroxy-carboxylic acids containing a long chain alkyl or alkylene group having at least 8 carbon atoms.

Abstract: Dye-donor element for use according to thermal dye sublimation transfer comprising a support having on one side thereof a dye layer and containing a substituted di(hetero)aryl carbonate as thermal solvent.

Abstract: Dye-image receiving element for use according to thermal dye sublimation transfer comprising a dye-image receiving layer, said dye-image receiving layer and/or a toplayer provided on top of said dye-image receiving layer (if such toplayer is present) containing a reaction product obtained by crosslinking and curing a non-polymeric compound containing two or more active hydrogen-containing radicals and a compound containing two or more isocyanate groups.

Abstract: Method of forming thermal transfer dye images comprising exposing a recording element comprising at least one layer of an organic photochemical imaging composition comprising a heat-diffusible dye (precursor) monomer, said layer being permeable to said dye (precursor) monomer, to an image-wise distribution of actinic radiation to create a change in its permeability corresponding to said image-wise distribution of actinic radiation, wherein said change in permeability is brought about by the radiation-induced polymerization or crosslinking reaction of said organic photochemical imaging composition combined with a concurrent copolymerization or crosslinking reaction of said heat-diffusible dye (precursor) monomer, bringing said recording element in contact with an image-receiving element, overall heating at least one of said contacting elements to cause diffusion of the heat-diffusible dye (precursor) monomer from the areas having unchanged permeability and transfer to said image-receiving element, causing in t

Abstract: Method for making a transparent thermal dye transfer image comprising image-wise heating a first dye-donor element comprising a support having thereon a dye-binder layer and transferring a first dye image to a dye-image-receiving layer provided on one side of the transparent film carrier of a receiving sheet, said first dye image having a certain density, and image-wise heating a second dye-donor element comprising a support having thereon a dye-binder layer and transferring a second dye image to a dye-image-receiving layer provided on the outer side of said transparent film carrier of said receiving sheet, said second dye image being of the same hue as that of said first dye image and being in register with said first dye image to increase the density of said first dye image. The invention also provides a receiving sheet for use in thermal dye transfer processes, said receiving sheet comprising a transparent film carrier provided on either side with a transparent dye-image-receving layer.

Abstract: Dye-donor element for use in thermal dye sublimation transfer methods, said element comprising a support having thereon a dye/binder layer comprising a dye carried by at least one modified dextran binder.

Abstract: Dye-donor element for use in thermal dye sublimation transfer methods, said element comprising a polyethylene terephthalate support having thereon in the order given a subbing layer and a dye/binder layer comprising a dye dispersed in a binder, wherein said subbing layer comprises at least one aromatic polyol as swelling agent for polyethylene terephthalate and a binder that is soluble in organic solvents.

Abstract: Thermal dye sublimation transfer recording element for receiving sublimable basic dye-precursors, comprising a support having thereon a dye-developing layer containing a dye-developing copolymer having sulfonic acid side-groups that can react with the basic dye-precursor to produce a dye image, characterized in that said dye-developing vinyl copolymer comprises plasticizing comonomers, the weight percentage of plasticizing comonomers in the dye-developing vinyl copolymer being such that the glass transition temperature of the dye-developing vinyl copolymer is between 30.degree. C. and 90.degree. C.

Abstract: Process for the preparation of polymers by anionic (co)polymerization of ethylenically unsaturated organic monomers in the presence of an arylmethide initiator of the following general structure: ##STR1## wherein: X.sup.+ represents a cation;Y and Z (same or different) represent a hydrogen atom or an alkyl group;Ar represents a condensed aromatic group, including a substituted condensed aromatic group.

Abstract: A surface-active block copolymer which comprises chemically linked polymeric blocks (A) and (B), block (A) of said copolymer consisting of at least one homo- or copolymerized non-polar alpha,beta-ethylenically unsaturated monomer and block (B) of said copolymer is derived by polymerizing an alpha-beta ethylenically unsaturated monomer containing an epoxy group and transforming the epoxy group into an hydroxy-substituted ionic group, preferably an anionic group. These block copolymers are used as dispersing agents in aqueous dispersions, including polymeric latex dispersions, and as plasticizing agent in hydrophilic colloid layers, including colloid layers containing a dispersed light-sensitive silver halide emulsion or other auxiliary substances for photographic materials.

Abstract: A toner composition comprised of electrostatically attractable fusible powder particles, having an average particle size in the range of 1 to 100 .mu.m and a melt viscosity at 190.degree. C. in the range of 20 to 200 Pa.s, said powder particles comprising a coloring substance, a polymeric binder which consists essentially of a copolymer of:(1) styrene or styrene homologue,(2) an alkyl acrylate or alkyl methacrylate monomer wherein alkyl is a straight chain of at least 8 carbon atoms, and(3) a crosslinking monomer containing at least two ethylenically unsaturated groups,the binder copolymer constituting more than 50% of the total weight of the powder particles.

Abstract: A liquid electrophoretic developer composition for developing electrostatic latent images, wherein pigment particles for obtaining improved dispersion stability in association with at least two polymers are dispersed in an electrically insulating non-polar carrier liquid having a volume resistivity of at least 10.sup.9 ohm.cm and a dielectric constant less than 3, characterized in that the composition comprises at least one polymer (hereafter called "polymer A") which forms a coating on the pigment particles and has a poor solubility in said liquid as determined by Test A herein described, and at least one polymer (hereafter called "polymer B") being chemically linked to the pre-coated polymer A, said polymer B having a good solubility in said liquid as determined by Test B herein described.

Abstract: A liquid developer composition that is suitable for rendering visible electrostatically charged areas, which composition contains in an electrically insulating non-polar carrier liquid having a volume resistivity of at least 10.sup.9 ohm.cm and a dielectric constant less than 3, dispersed coloring matter acting as toner particles and at least one anionic addition polymer comprising anionic groups neutralized with non-polymeric counter cations, characterized in that said cations are positively charged metal ion containing coordination compounds.