Abstract: A photosensitive element comprising a temporary support having thereon an aqueous resin layer which contains at least one kind of fine particles having an average particle size or agglomerated particle size of 1 to 10 .mu.m. The fine particles impart a roughened surface to the aqueous resin layer. Furthermore, a photosensitive insulating resin layer is provided on the aqueous resin layer. Also disclosed is an insulating resin image having a roughened surface which is prepared by a process comprising the steps of providing the above-described photosensitive element, laminating the photosensitive element on an insulating substrate, and pattern exposing and developing the photosensitive insulating resin layer.

Abstract: An element containing, in order: a first strippable substrate; a substantially transparent, non-photosensitive, polymeric isolation layer having a coating weight of 10 to 150 mg/dm.sup.2 ; an essentially non-photosensitive, non-tacky organic layer having a coating weight of 25 to 200 mg/dm.sup.2 ; a pigmented photosensitive, preferably photopolymerizable layer; and a second different strippable substrate adjacent the photosensitive layer, wherein the photosensitive layer upon imagewise exposure to actinic radiation exhibits a lowered peel force relative to a system which does not have a polymeric isolation layer.

Abstract: A method of forming a fluorescent screen, such as a black matrix or a color filter, on a front panel of a cathode ray tube is described. The method comprises the steps of forming a photosensitive adhesion layer on an inner surface of the front panel, exposing the photosensitive adhesion layer through a color selecting electrode having a plurality of slots for reducing adhesion level of exposed area of the photosensitive adhesion layer, bringing a pigment layer provided on a supporting sheet into intimate contact with the photosensitive adhesion layer, applying pressure to the pigment layer and the photosensitive layer, and peeling off the supporting sheet from the pigment layer. Alternatively, a pigment may be dispersed in the photosensitive adhesion pigment layer.

Abstract: An element containing, in order: a first strippable substrate; a substantially transparent, non-photosensitive, polymeric isolation layer having a coating weight of 10 to 150 mg/dm.sup.2 ; an elastomeric layer having a coating weight of 25 to 200 mg/dm.sup.2 ; a pigmented photosensitive, preferably photopolymerizable layer; and a second different strippable substrate adjacent the photosensitive layer, wherein the photosensitive layer upon imagewise exposure to actinic radiation exhibits a lowered peel force relative to a system which does not have a polymeric isolation layer.

Abstract: Disclosed are a photosensitive material and a corresponding method for making colour-proofing sheets for multicolour printing, comprising A) a transparent flexible polymeric support sheet, B) a photopolymerizable layer comprising B1) a polymeric binder, B2) a free-radically polymerizable compound, B3) a photoinitiator, and B4) a dye or pigment in a primary colour of multicolour printing, and C) a thermoplastic adhesion-promoting layer on the photosensitive layer, with a coating weight of 2 to 30 g/m.sup.2, characterized in that the thermoplastic adhesion-promoting layer includes 0.05 to 2.5% by weight of a colourless, transparent or white pigment having an average particle size which is less than 1% of the layer thickness and does not exceed 0.05 .mu.m and the ready-produced material has a slip friction coefficient of <0.5.

Abstract: A spot gloss film element for color systems which provides a glossy sheen to image-bearing receiver sheets in areas which were exposed to actinic radiation, while the unexposed areas remain partially or completely matte. The film element comprises, sequentially, a strippable, transparent cover sheet; a crosslinked phenolic layer; a gloss layer, which comprises an organic binder, a polymerizable component, a particulate material, and an optional photoinitiator; a photoadhering layer, which comprises a polymerizable component, a binder, and an optional photoinitiator; and a thermoplastic adhesive layer. The spot gloss film is laminated to an image bearing receiver sheet. The gloss layer and the photoadhering layer are exposed to actinic radiation through the transparent cover sheet and crosslinked phenolic layer.

Abstract: The present invention provides a negative-working photosensitive imaging element comprising on a hydrophilic surface of a support in the order given (i) a hydrophobic photopolymerizable composition capable of being irradiated with actinic light through the support and/or through the front and containing at least one unsaturated compound with at least one polymerizable ethylenically unsaturated group, at least one hydrophobic thermoplastic polymer and at least one photoinitiator, and (ii) optionally a receptor layer, characterized in that said hydrophobic photopolymerizable composition comprises in the order given (i) a polymerizable layer contiguous to said hydrophilic surface and comprising at least part of said at least one unsaturated compound and (ii) a hydrophobic photosensitive layer contiguous to said polymerizable layer comprising at least part of said at least one hydrophobic thermoplastic polymer and of said at least one photoinitiator.

Abstract: A photosensitive resin composition comprising the following components (A), (B), (C) and (D): (A) a photopolymerizable urethane (meth)acrylate compound containing at least two acryloyl or methacryloyl groups, (B) an alkali-soluble polymer compound having an acid value of from 50 to 250 mgKOH/g, and (C) a photopolymerization initiator, (D) a polymeric complex of an alkali thioxanate wherein the photosensitive resin composition has an electrical insulation resistance of 8.0.times.10.sup.9 to 1.0.times.10.sup.14 .OMEGA..multidot.cm after photocuring. A photosensitive resin laminated film comprising a flexible film, a photosensitive layer provided on the flexible film, and a releasable film layer provided on the photosensitive layer, wherein the photosensitive layer comprises the above photosensitive resin composition.

Abstract: Strippable photoimageable compositions are provided that include a cycloaliphatic diepoxide and a photoactive compound. The compositions are especially useful for patterning a substrate.

Abstract: A process is described for the formation of a color image on a substrate comprising the steps of:a) providing a donor element comprising element comprises a carrier substrate, color containing photohardenable layer, and photopolymerizable adhesive layer in which the unexposed photopolymer has a viscosity at 25.degree. C. of less than 100,000 cps,b) adhering said photopolymer adhesive layer to a first substrate,c) irradiating said photopolymer adhesive in an imagewise distribution of radiation to polymerize said adhesive in an imagewise distribution, andd) stripping said element from said first substrate leaving an imagewise distribution of said color containing layer secured to said substrate. This process can be used to form any type of color image and is particularly useful in the formation of color proofs. Both positive and negative images can be provided, a positive image on the element and a negative image on the substrate.

Abstract: This invention relates to a single negative working photosensitive, photopolymerizable layer on a substrate which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image after lamination and processing. The construction is useful as a color proofing film which provides low dot gain and can be employed to predict the image quality from a lithographic printing process.

Abstract: This invention relates to color proofing, or more particularly to an improved photographic element and transfer method of color proofing wherein a colored image is prepared by successively producing images of different colors from distinct color separation films onto a single receptor sheet. The photographic element has a support having a release surface, a colored photosensitive layer on the release surface and an adhesive layer on the colored layer. The adhesive layer comprises a thermally activated adhesive which is preferably a plasticizer in admixture with at least one copolymer selected from the group consisting of copolymers of methyl methacrylate and ethyl acrylate and copolymers of acrylic acid and acrylic esters having an acid number of from about 80 to about 100.

Abstract: This invention relates to negative working color proofing sheet constructions which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image. The construction is useful as a color proofing film which can be employed to accurately predict the image quality from a lithographic printing process. The image is produced by forming a composite of a receiver sheet, an adhesive layer, a color layer and cover sheet. Upon imagewise exposure, a negative image appears on the receiver base after dry peel apart development.

Abstract: As adhesive films are used over first down half-tone images, air can be entrapped between the dots on the first down image and the after applied adhesive film (e.g., with the next down image layer). The presence of the air as bubbles between the dots creates additional areas of reflection and refraction at air/film interfaces. The use of thin layers of adhesive with the properties according to the present invention has surprisingly been found to prevent or reduce formation of bubbles and thereby maintain the critical optical properties necessary in a proofing material.

Abstract: Disclosed is an image-formable material which comprises a support provided thereon a releasable cushion layer and an image-formable layer in this order,wherein the image-formable layer can be peeled off from the releasable cushion layer, the image-formable layer is transferable, and the releasable cushion layer comprises two or more layers and satisfies all of the following conditions (1), (2) and (3):(1) a lower layer itself has a Vicat softening temperature measured according to JIS-K7206 of 65.degree. C. or lower;(2) 65.degree. C.<Vicat softening temperature measured according to JIS-K7206 of uppermost layer resin .ltoreq.150.degree. C.; and(3) film thickness (.mu.m) of uppermost layer <?10log{(X-65)/230+1}!.sup.-1 wherein X represents a Vicat softening temperature measured according to JIS-K7206 of an uppermost layer resin.

Abstract: A negative-acting color proofing element comprising, sequentially, (i) a strippable, transparent cover sheet; (ii) a crosslinked layer, which comprises a polymer having phenolic groups; (iii) a color layer, which comprises an organic binder, a polymerizable monomer, a colorant, and an optional photoinitiator, (iv) a photoadhering layer, which comprises a polymerizable component having at least one ethylenically unsaturated group; a polymer comprising polyvinyl acetal and polyvinyl alcohol segments, having from about 1 to about 40 weight % polyvinyl alcohol content; and an optional photoinitiator, wherein least one of either the color layer or the photoadhering layer contains a photoinitiator; (v) a thermoplastic adhesive layer; and (vii) a receiver sheet. Preferably the polymerizable component and photoinitiator diffuse into the color layer during assembly of the element.

Abstract: A photosensitive composition comprises an organic polymer and a photo-polymerizable monomer. The photo-polymerizable monomer has the following formula: ##STR1## in which R.sup.1 represents an alkylene group having 2 to 5 carbon atoms, R.sup.2 represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, and n represents the number of 0.5 to 5.

Abstract: This invention provides an improved negative-working or positive-working, single sheet color proofing method which can accurately reproduce images by using colored, photosensitive layers on substrates which are then overcoated with partially developable adhesive layers. The final construction is useful in predicting the image quality from a lithographic printing process. The partial removal of the adhesive layers cleans out any background stain which may remain from the incomplete removal of the photosensitive layer.

Abstract: A photosensitive material for the production of offset printing plates which contains a) a coating base which is composed of aluminum or an aluminum alloy and is suitable for offset printing, b) a hydrophilic coating containing an organic polymer and a free-radical-polymerizable compound and having a coating weight in the range from 0.001 to 1 g/m.sup.2, c) a photopolymerizable coating containing (1) a polymeric binder, (2) a free-radical-polymerizable compound and (3) a compound or a combination of compounds which is capable of initiating the polymerization of the compound (2) on exposure to actinic radiation, and d) a transparent covering sheet, the adhesion of the photopolymerizable coating (c) to the hydrophilic coating (b) and/or the covering sheet (d) being altered by exposure. The material is processed to form the printing plate by imagewise exposure and peeling the covering sheet (d) together with the unexposed areas of the coating (c) off the coating base (a) ("peel apart").

Abstract: A photosensitive material for the production of color proofing films for multicolor printing, having(A) a transparent, flexible film support,(B) a photopolymerizable layer which contains(B1) a polymeric binder,(B2) a free-radical-polymerizable compound,(B3) a substituted bistrihalomethyl-s-triazine having an absorption maximum in the range from 300 to 380 nm and an absorbance of greater than 11,000 at the absorption maximum, and an absorbance of less than 1400 at 400 nm and above, as photoinitiator, and(B4) a dye or a colored pigment in a primary color of multicolor printing, and(C) a thermoplastic adhesive layer on the photo-sensitive layer.The material is processed by lamination onto an image-receiving material, exposure of the material and peeling apart of film support and image-receiving material, leaving the unexposed layer areas on the image-receiving material together with the adhesive layer. To produce a multicolored image, these steps are repeated with at least one further single-color sheet.

Abstract: A colour sheet suitable for use in peel-apart colour imaging comprising a substrate bearing a layer of pigmented photopolymerizable material overcoated with a hydrophilic barrier layer and an outer layer of an adhesive.

Abstract: In the present invention, one produces a negative-acting color proofing element comprising, sequentially: a strippable cover sheet which is transparent to actinic radiation; a crosslinked layer containing a polymer having phenolic groups; a color layer, containing a colorant, a polymeric binder, a polymerizable monomer and, optionally, a photoinitiator; a photoadhering layer, containing a linear photosensitive polymer containing ethylenically unsaturated, free-radical polymerizable groups and having a weight average molecular weight greater than 3,000, a polymerizable monomer, and, optionally, a free radical photoinitiator, a thermoplastic adhesive layer; and a receiver sheet, at least one of the color layer and the photoadhering layer containing a photoinitiator, which is brightener.

Abstract: Blocking is substantially reduced between individual sheets having a thermal adhesive coated thereon by including a release agent with the thermal adhesive. Preferred release agents are materials which have previously been used as low-adhesion backsize (LAB) coatings in pressure-sensitive adhesive applications.

Abstract: The invention relates to a photosensitive material for the production of color proofing films for multicolor printing comprising:A) a transparent, flexible film support,B) a photopolymerizable layer containing:B1) a polymeric binder,B2) a free radical-polymerizable compound,B3) a compound which is capable of initiating the polymerization of (B2) on exposure to actinic light, andB4) a dye or colored pigment in a primary color of multicolor printing, andC) a thermoplastic adhesive layer on the photosensitive layer,which contains at least about 1.5% by weight of a water-soluble, colorless, low-molecular-weight salt whose aqueous solution is not highly acidic.The material is processed by lamination onto an image-receiving material, exposure and peeling apart of the film support and the image-receiving material, the unexposed areas of the layer and the adhesive layer remaining on the image-receiving material.

Abstract: A photosensitive transfer material comprising a temporary support and a colored photopolymer layer formed on the temporary support. The colored photopolymer layer contains at least one quinophthalone dye. Also, disclosed is a method of forming an image using the photosensitive transfer material, to thereby form a multicolor image having good chromaticity even when organic solvent-soluble dyes are used and, in addition, having excellent transmission and light- and heat resistance. A color filter exhibiting high contrast as a liquid crystal display can also be produced using the photosensitive transfer material.

Abstract: Disclosed are a color image-formable material which comprises a support, a cushion layer provided on the support and a color light-sensitive layer containing a light-sensitive composition and a coloring agent provided on the cushion layer and gives a transferred image by forming a color image portion by imagewise exposure and developing treatment and then transferring the color image portion alone to an image-receiving material,wherein the surface at a color light-sensitive layer side of the cushion layer has an average gloss (GS (60.degree. )) of 30 or more and the color light-sensitive layer is provided on the cushion layer, a process for preparing the same.

Abstract: A peel-developable imaging medium for the imagewise recordation of information is provided, the imaging medium having therein a plurality of fracturable layers, the plurality comprising a porous or particulate image-forming layer and a release layer, and at least one of the fracturable layers having incorporated therein a boric ion generating species. In particular embodiments, the fracturable layers contain crosslinked borated polymeric binder. The laminar imaging medium is characterized by good imaging performance in an extended range of environmental conditions.

Abstract: A chemically amplified radiation sensitive composition comprising: (a) a copolymer such as poly(4-hydroxystyrene-co-styrene), (b) a dissolution inhibitor such as polyacetal or (b') a crosslinking agent, (c) a radiation sensitive compound capable of generating an acid upon exposure to actinic radiation, (d) a radiation sensitive base capable of stabilizing the width of lines throughout steps from exposure to post-exposure bake treatment, and (e) a solvent for dissolving the components (a) to (d), can realize fine lines and spaces down to 0.22 microns, for example, using KrF laser, and possesses excellent heat and etch resistance and adhesiveness to substrates, and produces patterns with low standing waves arising due to substrate reflectiveness of exposed light.

Abstract: A photosensitive transfer material is disclosed including a temporary substrate having provided thereon an alkali-soluble thermoplastic resin layer, an intermediate layer, and a photosensitive resin layer in this order, the transfer material having an interlaminar adhesion which is lowest between the thermoplastic resin layer and the temporary substrate, wherein the alkali-soluble thermoplastic resin layer contains (A) an alkali-soluble thermoplastic resin having a weight average molecular weight of from 50,000 to 500,000 and a glass transition temperature of from 0.degree. to 140.degree. C. and (B) an alkali-soluble thermoplastic resin layer having a weight average molecular weight of from 3,000 to 30,000 and a glass transition temperature of from 30.degree. to 170.degree. C. at an (A)/(B) weight ratio of from 5/95 to 95/5. The transfer material can be transferred to a permanent substrate at a high speed without entrapping air bubbles due to unevenness on the permanent substrate.

Abstract: A photosensitive resin composition which comprises a resin containing at least one repeating unit represented by the following general formulae (I) and (II): ##STR1## The photosensitive resin composition is soluble in an aqueous alkaline solution and the cured product thereof has good alkali resistance. Furthermore, the resin composition not only has excellent solubility and production suitability, but also has high chemical resistance.

Abstract: A process for forming a colored image comprising, in order:(A) imagewise exposing to actinic radiation a photosensitive element comprising a carrier support, a carrier surface, a first adhesive layer and a first photosensitive layer,(B) developing the exposed first photosensitive layer,(C) laminating to the element a transfer element comprising a transfer support, and a transfer surface layer which is adjacent to a colored pattern in the element of step (A) with the proviso that the transfer element does not have an adhesive layer which transfers to the colored pattern,(D) removing said carrier support and said carrier surface, revealing said first adhesive layer,(E) laminating the element the element from step (D) to a permanent support wherein the first adhesive layer is adjacent to the permanent support; and(F) removing said transfer support and said transfer surface layer.

Abstract: The present invention provides a photosensitive transfer sheet which does not generate cutting powder when the exposed and developed transfer sheet is cut with scissors as needed after forming an image. Additionally, no film floating and image disruption accompanied by a kink mark generated on handling the exposed and developed transfer sheet are observed. Furthermore, the above-described performance and transferability are maintained even under low humidity conditions.

Abstract: A non-corrosive photoresist composition containing:(a) 20-70% by weight of an organic polar solvent having a dipole moment of more than 3.5;(b) 70-20% by weight of selected amine compounds;(c) an effective amount of a chelating reagent comprising a mono- or poly-valent acid type of ligand covalently attached to a polymeric or oligomeric backbone; and(d) optionally 0-10% by weight of selected amino acid having a hydroxyl group.

Abstract: A method of producing a printing plate is disclosed, which comprises the steps of a) providing, on an aluminium support, a photo-hardenable light-sensitive layer on a 50 .mu.m or less thick film to obtain a light-sensitive plate, the surface on the light-sensitive layer side of said support is electrolytically etched in a nitric acid solution to have an average surface roughness R.sub.a of 0.1 to 0.6 .mu.m; b) imagewise exposing the photo-hardenable photosensitive layer of the light-sensitive plate; c) applying heat or pressure to the exposed light-sensitive plate; d) removing the exposed light-sensitive layer from the light-sensitive plate to leave an unexposed light-sensitive layer on the aluminium support; and e) overall exposing the unexposed light-sensitive layer to harden the same.

Abstract: A photosensitive material for making color-proofing films for multicolor printing is described, withA) a transparent flexible support of plastic,B) a photopolymerizable layer on (A) which containsB1) a polymeric binder,B2) a compound polymerizable by a free-radical mechanism,B3) a compound which is capable of initiating the polymerization of (B2) under the action of actinic light andB4) a dye or a color pigment in a primary color of the multicolor print, andC) a thermoplastic adhesive layer which comprises at least one polymer which contains units (C1) with aliphatic side chains having at least 5 carbon atoms.The material is processed by laminating to an image receptor sheet, exposure and peeling apart of support and image receptor sheet, the unexposed layer areas remaining together with the adhesive layer on the image receptor sheet. These steps are repeated with at least one further image in primary colors. The material provides for a reduction of the background stain in the non-image areas.

Abstract: This invention relates to negative working color proofing sheet constructions which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image. The construction is useful as a color proofing film which can be employed to accurately predict the image quality from a lithographic printing process. The image is produced by forming a composite of a receiver sheet, an adhesive layer, a color layer and cover sheet. Upon imagewise exposure, a negative image appears on the receiver base after dry peel apart development.

Abstract: A printing method for an in situ plate production process in which a photosensitive plate blank having a polymerization layer between a support and a release film is fixed to a plate cylinder either before or after forming a polymerization-nonpolymerization pattern in the polymerization layer. The polymerization layer can be a thermal development-type photosensitive layer for forming the pattern. The release film is then peeled apart from the plate blank to leave a printing plate on the plate cylinder, which can be used for printing and for an inking step. The printing pattern of the plate can be formed by selective removal of the unpolymerized part or by selective transfer of the release film to the polymerized part of the polymerization layer.

Abstract: A photosensitive material for the production of color proofing films for multicolor printing, having(A) a transparent, flexible film support of plastic,(B) a photopolymerizable layer which contains(B1) a polymeric binder,(B2) a free-radically polymerizable compound,(B3) a compound which is capable of initiating the polymerization of (B2) on exposure to actinic light, and(B4) a dye or a colored pigment in a primary color of multicolor printing, and(C) a thermoplastic adhesive layer having a layer weight of from about 2 to about 30 g/m.sup.2 on the photo-sensitive layer, wherein the thermoplastic adhesive layer contains from about 0.01 to about 0.5% by weight of a colorless pigment having a mean particle size which corresponds to from 1 to 100% of the layer thickness.

Abstract: This invention relates to a photosensitive sheet having on a substrate one or more resin layers that are peelable from the substrate and heat-fusible, and a colored photosensitive layer in this order, said substrate comprising a biaxially stretched plastic film and having a molecular orientation ratio in the range of from 1.0 to 1.4.The object of this invention is to solve the problem of misregister without decreasing productivity during the formation of plastic film (substrate) or during the production of a photosensitive sheet in a method in which said photosensitive sheet having an image formed thereon and an image receiving sheet for receiving the image are superimposed on each other, and pressed and heated for image transfer.

Abstract: A noncorrosive photoresist composition containing:(a) 20-70% by weight of an organic polar solvent having a dipole moment of more than 3.5;(b) 70-20% by weight of selected amine compounds;(c) about 0.01% to about 1% by weight of novolak resin having a weight-average molecular weight (M.sub.w) from about 200 to about 5,000;(d) optionally 0-10% by weight of selected amino acid having a hydroxyl group; and(e) optionally 0-10% by weight of water.

Abstract: A photosensitive material for making color-proofing films for multicolor printing is described, withA) a transparent flexible support of plastic,B) a photopolymerizable layer on (A) which containsB1) a polymeric binder,B2) a compound polymerizable by a flee-radical mechanism,B3) a compound which is capable of initiating the polymerization of (B2) under the action of actinic light andB4) a dye or a color pigment in a primary color of the multicolor print, andC) a thermoplastic adhesive layer which comprises at least one polymer which contains units (C1) with aliphatic side chains having at least 5 carbon atoms.The material is processed by laminating to an image receptor sheet, exposure and peeling apart of support and image receptor sheet, the unexposed layer areas remaining together with the adhesive layer on the image receptor sheet. These steps are repeated with at least one further image in primary colors. The material provides for a reduction of the background stain in the non-image areas.

Abstract: Flexible printing plates are produced from printing plates consisting essentially of a dimensionally stable substrate (1) and a recording layer (2) by a process in which the printing plate is produced alternatively either by photochemical or by mechanical structuring, and in the case of photochemical structuring the photosensitive recording layer (2) is exposed imagewise and the unexposed parts of the recording layer (2) are washed out with a developer and in the case of mechanical structuring the originally photosensitive, uniformly exposed recording layer (2) is cut imagewise and the nonprinting parts of the recording layer (2) are peeled off from the substrate (1).The printing plates produced by this process are suitable for the production of products printed by the flexographic method and for lacquering products printed by the offset method.

Abstract: A photosensitive recording element comprises(A) a dimensionally stable substrate,(B) a photopolymerizable relief-forming recording layer and, if required, an adhesion-promoting layer arranged between (A) and (B), a release layer (C) applied to that side of the recording layer (B) which faces away from the substrate (A), and, if required, a cover sheet (D) applied thereon, the photopolymerizable relief-forming recording layer (B) containingb.sub.1) at least one polymeric binder,b.sub.2) at least one photopolymerizable olefinically unsaturated monomer which is compatible with b.sub.1),b.sub.3) at least one photopolymerization initiator andb.sub.4) at least one aryl alkyl ketone,and is suitable for the production of relief printing plates.

Abstract: A system for the preparation of a light-sensitive material comprising a substrate, a light-sensitive layer and a base film which comprises a roller for providing a continuous light-sensitive sheet comprising the base film, the light-sensitive layer and a protective film; means for cutting the light-sensitive layer and protective layer in the traverse direction; fixing means for temporarily fixing the sheet; a roller for providing an adhesive tape for removing the protective film; the adhesive tape-collecting roller; a bar for pressing the adhesive tape by its tip to the front end of the light-sensitive sheet and to press the front end against the bottom of the fixing means and peeling the protective film from the sheet; a dancer roll; light-sensitive sheet cutting means; substrate supplying means; and heat rollers for laminating the base film and light-sensitive layer on the. substrate.

Abstract: A process for laminating a photosensitive-layer which includes providing (A) a base having a laminating region and a non-laminating region, and (B) a support having thereon, in order, a photosensitive layer and a protective film, where part of the protective film corresponds to the laminating region and part of the protective film corresponds to the non-laminating region, removing the part of the protective film which corresponds to the laminating region from the photosensitive layer such that the photosensitive layer can be laminated to the base in the laminating region, feeding the base and the support having thereon the photosensitive layer from which protective film has been removed to a nip between a pair of heated pressure rollers, passing the base and photosensitive-layer-covered support forward through the rollers while the base and photosensitive-layer-covered support are being nipped and hot-pressed by the rollers, with the photosensitive layer being in contact with the laminating region of the base

Abstract: This invention provides novel ethylenically unsaturated urethane monomers and photoreactive compositions comprising such monomers as essential constituents. The monomers can be photopolymerized or photocrosslinked and are useful in coating systems and multilayer color proofing systems. Additionally, they offer superior advantages such as significantly reduced migration between layers in multilayer color proofing systems.

Abstract: A process for preparing images on tonable, light-sensitive layers using a transfer material comprising (a) a support, (b) a transfer layer containing in its binder a finely divided powder or a finely divided powder and a dissolved dye, and (c) a cover layer containing a binder and/or discrete, inert particles is described. Such transfer materials can be used to make color proof prints having high resolution, reproducible color density, low dot growth, and no troublesome background fog.

Abstract: An aqueous-developable dry-film photopolymerizable composition is disclosed wherein the photopolymerizable composition contains a carboxyl-containing polyurethane having at least one ethylenically unsaturated end group as a plasticizer.

Abstract: A photosensitive mask laminate having a photoimageable, pressure sensitive adhesive layer and a photoimageable masking layer is disclosed. The laminate also includes a support layer, and it can include a removable carrier layer and a release layer. The laminate can be imaged by selective exposure to light or other radiation, and developing the laminate produces a mask having void and mask areas. The mask can then be used to protect selected portions of a target surface during a sandblast decorative process.

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.