Abstract: A chronically implanted medical device is disclosed that has an outermost layer formed from a conjugate of a polymer with lipoic acid, the conjugate having free 1,2-dithiolane groups. It is contemplated that this layer scavenges reactive oxygen species, i.e. acts as an antioxidant, and thus reduces inflammation and other adverse effects around the implant itself.

Abstract: In an example implementation, a method of printing with an emulsion, includes generating an emulsion of non-water based fluid and water based fluid on a printhead, and ejecting the emulsion through a printhead nozzle.

Abstract: A water-based ink composition for ink jet recording and a coloring material liquid according to an aspect includes at least one selected from the group consisting of vinylphenol and a vinylphenol derivative, a water-soluble organic solvent, and water.

Abstract: A chronically implanted medical device is disclosed that has an outermost layer formed from a conjugate of a polymer with lipoic acid, the conjugate having free 1,2-dithiolane groups. It is contemplated that this layer scavenges reactive oxygen species, i.e. acts as an antioxidant, and thus reduces inflammation and other adverse effects around the implant itself.

Abstract: A chronically implanted medical device is disclosed that has an outermost layer formed from a conjugate of a polymer with lipoic acid, the conjugate having free 1,2-dithiolane groups. It is contemplated that this layer scavenges reactive oxygen species, i.e. acts as an antioxidant, and thus reduces inflammation and other adverse effects around the implant itself.

Abstract: A composition comprising at least one first divalent unit represented by formula: and at least one of a second divalent unit comprising a pendant Z group or a monovalent unit comprising a thioether linkage and a terminal Z group, wherein each Z group is independently selected from the group consisting of —P(O)(OY)2 and —O—P(O)(OY)2. R? and R?? are each independently selected from the group consisting of hydrogen and alkyl having from 1 to 4 carbon atoms. Y is selected from the group consisting of hydrogen, alkyl, trialkylsilyl, and a counter cation. Methods of treating a surface using these compositions and articles with a surface in contact with these compositions are provided. Methods of making these compositions are also provided.

Abstract: A method of fabricating a magnetic recording medium by sequentially forming a magnetic recording layer, a protection layer, and a lubricant layer on a stacked body, includes forming the lubricant by depositing a first lubricant on the stacked body after forming the protection layer, by vapor-phase lubrication deposition, without exposing the stacked body to atmosphere, and depositing a second lubricant on the stacked body after depositing the first lubricant, by vapor-phase lubrication deposition, without exposing the stacked body to atmosphere. The first lubricant has a lower molecular mass and a higher chemical polarity than those of the second lubricant.

Abstract: A process for making a lithographic printing plate that includes in sequence an exposure step of imagewise exposing by means of an infrared laser a lithographic printing plate precursor that has provided above a support a positive-working recording layer including (Component A) a (meth)acrylonitrile-derived monomer unit- and styrene-derived monomer unit-containing copolymer, (Component B) a water-insoluble and alkali-soluble resin, and (Component C) an infrared absorbing agent and a development step of developing, using an aqueous alkali solution including a betaine-based surfactant or a nonionic surfactant, the aqueous alkali solution having a pH of 8.5 to 10.8, by removing an exposed area of the positive-working recording layer whose solubility in aqueous alkali solution has been increased by the exposure. There is also provided a lithographic printing plate made by the process for making a lithographic printing plate.

Abstract: The present invention relates to using soft photopolymer plates in a printing process, and more specifically, to an apparatus and methods of using soft photopolymer materials to decorate an exterior surface of cylindrical metallic containers with high definition graphics and other indicia.

Abstract: On-press developable, negative-working, infrared radiation-sensitive lithographic printing plate precursors have an imageable layer on a substrate. The imageable layer includes a free radically polymerizable component, an initiator composition capable of generating free radicals upon exposure to infrared radiation, a polymeric binder, a first infrared radiation absorbing compound that has a tetraaryl pentadiene chromophore, and a second infrared radiation absorbing compound that is different than the first infrared radiation absorbing compound. The first IR absorbing compound absorbs in both the IR and visible regions of the electromagnetic spectrum and provides coloration for visual inspection of the lithographic printing plates.

Abstract: Sequentially subjecting an imaged ablation-type printing member having a silicone topmost layer to, first, a cleaning liquid that is not a solvent for silicone, followed by subjecting to a second cleaning liquid that is a silicone solvent, conditions the printing member for subsequent printing with high-solids inks.

Abstract: A method of producing an offset lithographic printing plate including the steps of providing a grained, anodized and passivated aluminum plate of preferred surface roughness; applying a receptive coating to the grained aluminum plate; image-wise applying an inkjet fluid on top of the receptive coating; and heating the oleophilic inkjet fluid allowing an oleophilic resin of the inkjet fluid to bond with the grained aluminum.

Abstract: A CTP positive working lithographic printing original plate (precursor) is capable of being imaged and then developed using a negative developing solution. This positive working lithographic printing original plate has (1) a substrate thereon (2) a lower layer containing a water-insoluble and alkali-soluble resin and a photothermal conversion material, and (3) an uppermost layer containing a water-insoluble and alkali-soluble resin. In addition, the lower layer contains (a) a polymer having a perfluoroalkyl group and/or (b) a polymer having a siloxane group in a total amount of from 3 to 10% by mass.

Abstract: Imaging of positive-working, IR-sensitive printing plates that use a novolac resin as the major polymer component of the imaging layer takes place with greater post-exposure latitude. In various embodiments, the imaging layer includes one or more poly(vinyl phenol) polymers or copolymers combined with one or more vinyl phenol monomers.

Abstract: A method for treating a lithographic printing plate including the step of applying a liquid containing a surfactant to the plate, characterized in that the surfactant includes at least one hydrophilic segment including polyglycerol, and at least one hydrophobic segment selected from an optionally substituted alkylene group, an alkyl or aryl substituted poly(meth)acrylate, an optionally substituted polyester, polyether, polyurethane, polycarbosilane, polysiloxane, polystyrene and/or a polymer including a perfluoroalkyl group with the proviso that the liquid is not applied as a fountain solution.

Abstract: A heat-sensitive positive-working lithographic printing plate precursor comprising (1) a support having a hydrophilic surface or which is provided with a hydrophilic layer, (2) a heat-sensitive coating, comprising an underlayer on said support and thereon an upperlayer, an IR absorbing agent in at least one of said underlayer and upperlayer, a phenolic resin in said upperlayer, and a first polymer in said underlayer, characterized in that said first polymer is an alkaline soluble polymer comprising a first sulfonamide containing monomeric unit having a specified structure according to formula I or formula II and a second amide containing monomeric unit having a specified structure according to formula III. The printing plates show an improved chemical resistance of the coating and a reduced undercutting of the image forming parts of the coating.

Abstract: A photosensitive lithographic printing plate precursor for infrared laser includes in the following order: a support having a hydrophilic surface; a lower layer containing a polymer compound having at least a unit derived from a polymerizable monomer represented by the following formula (I); and an upper layer containing a polymer compound having a group represented by the following formula (II) in a side chain, wherein R1 represents a hydrogen atom or a methyl group, R2 represents a methylene group or an ethylene group, R3 represents a methyl group, and X represents O or NH, wherein Z1, Z2 and Z3 each independently represents a hydrogen atom or a monovalent substituent composed of at least one nonmetallic atom.

Abstract: A method for preparing a lithographic printing plate includes treating a lithographic printing plate precursor including a hydrophilic support and an image-forming layer containing the following (i) to (iii) with an aqueous solution having a buffering ability: (i) a binder polymer comprising a repeating unit having a structure represented by the following formula (1); (ii) an ethylenically unsaturated compound; and (iii) a polymerization initiator, P-L-(CO2H)n??(1) wherein P represents a part constituting a main chain skeleton of the polymer, L represents an (n+1) valent connecting group, and n represents an integer of 1 or more.

Abstract: A method of making imaged elements such as lithographic printing plates is achieved by imagewise exposing an infrared radiation-sensitive positive-working imageable element to provide exposed and non-exposed regions. The imaged element is developed using a single processing solution having a pH of from about 9 to about 11.5 and containing carbonate ion and at least 1 weight % of one or more anionic surfactants, to remove predominantly only the exposed regions to provide an image and to provide a protective coating on the imaged surface. The imageable element comprises a substrate and a radiation absorbing compound, and has an imageable layer on the substrate that comprises a developability-enhancing compound and a poly(vinyl acetal) in which at least 25 mol % of its recurring units comprise pendant nitro-substituted phenolic groups.

Abstract: Embodiments of the invention are directed to a printing member for imaging with an inkjet printer using pigment-based aqueous inkjet ink. The printing member may include a substrate and a hydrophilic coating layer. The coasting layer may include acidic colloidal silica whose particles have an elongated shape, a hydrophilic polymer and a crosslinking agent.

Abstract: The present application relates to a positive-working heat-sensitive lithographic plate. The infrared heat-sensitive image recording composition of the plate comprises a resin having self-dissolution inhibiting property and an infrared absorber. The resin having self-dissolution inhibiting property is an alkali-soluble resin that contains phenolic hydroxyl group, and carbamate or thiocarbamate group that has strong electron-absorbing ability. The advantage of the present application is that it requires no dissolution inhibitor when preparing the infrared positive-working heat-sensitive CTP plate. The mechanism could be understood but not limited to that the carbamate or thiocarbamate group contained in the resin has a dissolution inhibiting effect on the phenolic hydroxyl group in the resin, reducing the solubility of the resin in an alkali solution.

Abstract: Positive-working imageable elements comprise a radiation absorbing compound and inner and outer layers on a substrate having a hydrophilic surface. The inner layer comprises a specific polymeric binder represented by Structure (I): -(A)w-(B)x-(C)y-(D)z-??(I) wherein A represents recurring units derived from one or more N-alkoxymethyl (alkyl)acrylamides or alkoxymethyl (alkyl)acrylates, B represents recurring units derived from one or more ethylenically unsaturated polymerizable monomers having a pendant cyano group, C represents recurring units derived from one or more ethylenically unsaturated polymerizable monomers having one or more carboxy, sulfonic acid, or phosphate groups, D represents recurring units derived from one or more ethylenically unsaturated polymerizable monomers other than those represented by A, B, and C, w is from about 3 to about 80 weight %, x is from about 10 to about 85 weight %, y is from about 2 to about 80 weight %, and z is from about 10 to about 85 weight %.

Abstract: A method for making a heat-sensitive negative-working lithographic printing plate precursor including the steps of providing a support having a hydrophilic surface or which is provided with a hydrophilic layer, and applying onto the support a coating solution including an infrared absorbing agent, hydrophobic thermoplastic polymer particles, a hydrophilic binder, and a polymer including siloxane and/or perfluoroalkyl monomeric units.

Abstract: The present invention relates to negative-working imageable elements that can be used for the manufacture of printing plates. These imageable elements can be developed on on-press by the action of a lithographic printing ink used in combination with either water or a fountain solution. The imageable elements comprise an imageable layer that is not removable in water or fountain solution alone. The imageable layer includes a free radically polymerizable compound, a free radical initiator composition, an infrared radiation absorbing compound, and a polymeric binder comprising poly(alkylene oxide) pendant groups, and preferably additionally pendant cyano groups.

Abstract: In a lithographic printing plate and method of manufacture, an interleaf is permanently integrated to the bottom surface of the plate substrate. A thin, flexible, water and solvent insoluble film is adhered to and covers the bottom surface of the coated and cured sheet before the sheet is cut into plates. The interleaf has a lesser thickness than the thickness of the substrate. A preferred method comprises the steps of selecting a wound coil of aluminum sheet, unwinding the coil and advancing the sheet through a coating station at which a liquid coating of radiation imageable material is applied to the top surface of the sheet, curing the material to form a cured coating adhered to the top surface of the sheet, laminating a polymeric film to the bottom surface of the sheet, and advancing the laminated sheet to a cutting device where individual plates are cut from the sheet.

Abstract: A printing plate material having an aluminum support on which an image forming layer is provided, wherein a wireless IC tag is provided on a part of the printing plate material.

Abstract: A printing plate for an offset printing is provide. it includes a substrate and a plurality of concave printing plate patterns formed on the substrate. At least one auxiliary pattern is located on a bottom of at least one of the concave printing plate patterns and away from a side face of the concave printing plate pattern. Thereby, even if a plurality of inside void parts occur in a function pattern, an area thereof is small and each inside void part is isolated.

Abstract: Disclosed is a printing plate material comprising a support and provided thereon, a hydrophilic layer and a thermosensitive image formation layer containing a blocked isocyanate compound, which is a reaction product of an isocyanate compound, a polyol, and an isocyanate group-blocking material, wherein the thermosensitive image formation layer is formed by coating on the support an aqueous thermosensitive image formation layer coating liquid containing the blocked isocyanate compound.

Abstract: The present invention provides a lithographic printing plate precursor and a lithographic printing method using the lithographic printing plate precursor, which is capable of an image recording by infrared laser scanning and an on-press development and excellent in fine line reproducibility and press life while maintaining good on-press developing properties, the lithographic printing plate precursor comprising: a support; and an image recording layer capable of being removed by a printing ink and/or a fountain solution, in which the image recording layer comprises an infrared absorber and a graft polymer having a specific graft chain.

Abstract: A lithographic printing plate precursor comprises an image-forming layer containing a polymerization initiator and a polymerizable compound, and a hydrophilic support, wherein the lithographic printing plate precursor comprises a compound containing at least one functional group having an interaction with a surface of the hydrophilic support.

Abstract: Disclosed is a printing plate material comprising a support and provided thereon, a hydrophilic layer containing pigment particles having a light-to-heat conversion capability, wherein the pigment particles have an average particle diameter of from 0.15 ?m to less than 1.0 ?m, and the hydrophilic layer has a surface roughness Ra of from 0.2 ?m to less than 1.5 ?m.

Abstract: Method of on-press developing a thermosensitive lithographic printing member with ink and/or fountain solution is described. The printing member comprises on a substrate a thermosensitive layer soluble or dispersible in ink and/or fountain solution and capable of hardening upon exposure to an infrared radiation. The printing member can be a pre-coated plate or can be prepared on press by coating a thermosensitive layer onto a substrate that is a sheet material or a seamless sleeve mounted on a plate cylinder or is the surface of a plate cylinder of the lithographic press.

Abstract: The invention relates to a method for the preparation of a printing plate comprises inkjet printing an oleophilic image on a surface of a support by applying to the support an aqueous solution or aqueous colloidal dispersion of an oleophilising compound on the surface of the support and drying the applied solution or dispersion, such that on drying the area of the surface to which the solution or dispersion was applied becomes lithographic ink-accepting, characterised in that the oleophilising compound has the chemical structure MO2C—(CHR)1—(CHR?)m—(CHR?)n—CO2M or MO2C—(CHR)1—(CHR?)m—(CHR?)n—SO3M wherein each M is the same or different and is independently selected from H or a cation; each of 1, m and n independently is 0 or 1, provided that 1+m+n=at least 1; each of R, R? and R? independently is —H, —B or -L-B; L is a linking group selected from alkylene, alkyleneoxy, thio, sulfonyl, sulfinyl, sulfoxyl, amido, alkylamido, oxyamido, alkylcarbamoyl carbamoyl, sulfonylamido, aminosulfonyl, aminosufonylam

Abstract: The invention relates to a method of preparing a printing plate includes ink-jet printing an oleophilic image on a surface of a support by applying to the support an aqueous solution or aqueous colloidal dispersion of a polymer having water-solubilising groups wherein the water-solubilising groups interact with the surface of the support thereby binding the polymer to the support and rendering the polymer insoluble, wherein the aqueous solution or aqueous colloidal dispersion of polymer comprises pigment particles dispersed therein. The invention further relates to a composition suitable for the preparation of a printing plate by inkjet printing including an aqueous solution or aqueous colloidal dispersion of a polymer having water-solubilising groups characterised in that said aqueous solution or aqueous colloidal dispersion further includes pigment particles dispersed therein.

Abstract: A polymer compound includes i) a polymerization unit represented by —(CHR3—CR4(-L1-Y1))x—(CHR5—CR6(-L2-Y2))y—; and ii) a silane coupling group represented by —S—(CH2)n—Si—(R1)m(OR2)3-m, as a terminal of the polymer, wherein R1, R2, R3, R4, R5, R6, n, x, y, L1, L2, Y1 and Y2 are defined in the specification. A lithographic printing plate base includes: a support; and a hydrophilic layer containing solid particles to a surface of which a hydrophilic polymer is chemically bonded.

Abstract: The invention relates to a method for the preparation of a printing plate comprises forming an oleophilic image on a substrate for a printing plate comprising a support having at least one hydrophilic layer on its surface, the oleophilic image being formed by inkjet printing an aqueous solution or aqueous colloidal dispersion of an anionic oleophilising agent on the surface of the support and drying the applied solution or dispersion, such that, on drying, the area of the surface to which the solution or dispersion was applied becomes lithographic ink-accepting, characterised in that the hydrophilic layer comprises a crosslinked cationic polymer. The invention further relates to a substrate for a printing plate comprising a support having at least one hydrophilic layer on its surface wherein the hydrophilic layer comprises a crosslinked cationic polymer.

Abstract: A printing press, and an apparatus and a process for regenerating a printing plate can repetitiously reuse the same printing plate and shorten time for decomposition of image areas formed by a hydrophobic organic compound under irradiation with activating light to delete the image areas. A process for regenerating a printing plate including a photosensitive layer, formed on the surface of a substrate, having a photocatalyst exhibits hydrophilicity responsive to activating light having energy higher than the photocatalyst's band-gap energy, and one or more hydrophobic image areas, formed on the surface of the photosensitive layer and operable to hold ink, comprises the steps of: removing ink remaining on the printing plate; hydrophilizing the surface of the printing plate by irradiating with the activating light and by heating the printing plate to delete the hydrophobic image areas; and applying an organic compound onto the printing plate.

Abstract: A positive working printing plate precursor is disclosed which comprises a hydrophilic support and a coating provided thereon which comprises in the order given a first layer containing an oleophilic resin soluble in an aqueous alkaline developer and a second layer comprising a water repellent-compound. Furthermore, the coating comprises an infrared absorbing dye containing a polysiloxane group providing a printing plate precursor with high sensitivity.

Abstract: The present invention relates to a planographic printing plate precursor comprising a substrate comprising a hydrophilic surface having disposed thereon a heat-sensitive layer containing a thermoplastic particulate polymer having functional groups capable of interacting with the hydrophilic surface. Preferably, hydrophilic graft polymer chains are present on the hydrophilic surface of the substrate. The present invention further relates to a planographic printing plate precursor comprising a substrate comprising a hydrophilic surface having disposed thereon a heat-sensitive layer comprising microcapsules comprising a compound having functional groups capable of interacting with the hydrophilic surface. In addition, the present invention relates to methods of printing with the planographic printing plate precursors.

Abstract: The invention relates to a composition, which is primarily energy sensitive in the near infrared and infrared region, and which comprises a dual polymer system, an infrared absorbing material that absorbs at the desired wavelength, an acid generating compound, and, optionally, an acid stabilizing compound. The composition may be applied to the proper substrate and is useful to provide offset lithographic printing plates, color proofing film or photoresist.

Abstract: A lithographic printing plate precursor comprising an aluminum substrate, an image-recording layer and a hydrophilic film, the aluminum substrate being subjected to an electrochemical surface-roughening treatment in an aqueous solution comprising hydrochloric acid and provided with the hydrophilic film having a heat conductivity of 0.05 to 0.5 W/mK and/or at least one of a density of 1,000 to 3,200 kg/m3 and a porosity of 20 to 70%; and a lithographic printing plate precursor comprising an aluminum substrate, an image-recording layer and a hydrophilic film, the aluminum substrate having a surface-roughened shape comprising a small pit wherein an average opening size of the small pit is 0.01 to 3 ?m and a ratio of an average depth of the small pit to the average opening size is 0.1 to 0.5, and being provided with the hydrophilic film having a heat conductivity of 0.05 to 0.5 W/mK and/or at least one of a density of 1,000 to 3,200 kg/m3 and a porosity of 20 to 70%.

Abstract: The present invention provides a processless printing plate precursor including a thermally sensitive layer applied onto a substrate. The thermally sensitive layer includes polycyanoacrylate particles having a major dimension between about 50 and about 500 nm, and a mean major dimension of no greater than about 350 nm. The printing plate precursor may be exposed to radiation and may then be developed “on press” with a suitable fountain solution.

Abstract: A lithographic printing plate precursor comprising a support having provided thereon a hydrophilic layer which is converted to hydrophobic by heating, wherein the hydrophilic layer contains (1) an organic and inorganic composite having a crosslinking structure obtained by hydrolysis and poly-condensation on condition of coexistence of a metal complex compound and an organic hydrophilic resin, and (2) core-shell structural fine particles containing a resin core having a functional group capable of interacting with the organic and inorganic composite and a resin shell not substantially having a functional group capable of interacting with the organic and inorganic composite.

Abstract: Disclosed is a printing plate material comprising a substrate and a component layer provided thereon, the substrate having a center line average surface roughness Ra of from 0.2 to 1.0 ?m, and an oil-retention volume A2 of from 1 to 10, wherein the center line average surface roughness Ra is obtained from three dimension surface roughness measurement according to JIS-B-0601, and wherein an image is capable of being recorded on the component layer by imagewise exposure of infrared laser.

Abstract: A lithographic printing plate precursor is disclosed, which comprises an image-forming layer which contains a hydrophilic resin, an acid precursor and at least one component selected from fine particles containing a compound having a vinyloxy group and microcapsules containing a compound having a vinyloxy group, on a hydrophilic support, which can be development processed on a printing machine.

Abstract: A conditioner composition for a printing plate with metallic non-print areas on the printing surface contains a polymeric or oligomeric component. The polymeric component adheres to the metal (particularly, aluminum) surface of the non-print area(s) of the printing member, and has a hydrophilic portion. The conditioned printing plate is particularly useful for printing single fluid inks having an emulsified hydrophilic fluid phase.

Abstract: A planographic printing apparatus and method is provided for single fluid lithographic printing using a plate cylinder having a generally neutral pH hydrophilic material in the non-image areas.

Abstract: A printing system making use of a lithographic printing plate has been disclosed, the system comprising the steps of image-wise exposing to infrared light a heat sensitive imaging element, the element being optionally present on the printing press before starting the image-wise exposing step to infrared light, wherein the element comprises, on a lithographic base with a hydrophilic surface thereupon, an image-forming layer including hydrophobic thermoplastic polymer particles and a hydrophilic polymer binder, and, optionally, an infrared absorbing compound, wherein the hydrophobic polymer particles contain more than 0.1 wt % of nitrogen and have an average particle size diameter in the range from 0.015 to 0.

Abstract: Disclosed is a method of carrying out lithographic printing using a plate having an image recording layer capable of being developed with dampening water and/or ink, the method including:

Abstract: A process for imaging a lithographic printing plate having a coating containing diazo resins. An ink jet printer is used to apply micro drops of a basic chemical solution that insolubilizes the affected areas of the coating to a developing solution. The latent image may be cured by heating the plate for a short period, and is then developed. The process works with conventional, commercially available lithographic plates and developers.