Abstract: A composition for a protection layer for a thermal transfer ribbon which is free of solvents and which contains an acrylate oligomer or polymer having a functionality lower than or equal to 3, a di- or triacrylate monomer and a slip agent which are UV-crosslinkable in the presence of a photoinitiator, capable of forming, after coating on a backing film and after UV crosslinking, a protection layer having a thickness lower than 1 ?m. The layer has a good adhesiveness and a low friction coefficient. The composition can particularly be used for the back (5) of a thermal transfer ribbon (1) applied on a surface of the backing film (2), the other surface of the film receiving at least one ink layer (3), while imparting flexibility and thermal and mechanical resistance to the ribbon (1).

Abstract: A method of forming a metal film and a metal wiring pattern is described a step of forming an organic film by applying and polymerizing an undercoat composition for forming a metal film containing an addition-polymerizable monomer having an acidic group and a polymerization initiator on a substrate or film, a step of converting the acidic group into a metal (M1) salt by treating the organic film with an aqueous solution containing a metal (M1) ion, a step of converting the metal (M1) salt into a metal (M2) salt by treating the organic film with an aqueous solution containing a metal (M2) ion having an ionization tendency lower than the metal (M1) ion, and a step of forming a metal film on the organic film surface by reducing the metal (M2) ion.

Abstract: Process for producing protective or surface coatings by coating of substrates with a radiation curable coating composition and subsequent radiation curing, wherein the radiation curable coating composition comprises a compound of the formula I in which R1 and R2 independently of one another are an organic radical having in each case at least one C atom, but where the sum of the C atoms of R1 and R2 is at least 4, or R1 and R2 together form a ring system comprising at least 4 C atoms, R3 is a hydrogen atom or Y, X is a C1 to C10 alkylene group, n and m independently of one another are 0 or an integer from 1 to 50, Y is a group selected from —CH?CH2; —CH2—CH?CH2; or and R4 can be an H atom, a methyl group or —CH2—C(?O)—OH, and R5 is an H atom and R6 is a —C(?O)—OH group or, alternatively, R6 is an H atom and R5 is a —C(?O)—OH group.

Abstract: The bottom of a cement fiberboard article is coated by conveying the article across a gap between a first conveyor and second conveyer and applying a liquid radiation-curable coating system to at least the bottom surface of the article while the article passes over the gap. The coating system is radiation-cured to at least a reduced tack state before the coated surface contacts the second conveyor.

Abstract: A flexible barrier film has a thickness of from greater than zero to less than 5,000 nanometers and a water vapor transmission rate of no more than 1×10?2 g/m2/day at 22° C. and 47% relative humidity. The flexible barrier film is formed from a composition, which comprises a multi-functional acrylate. The composition further comprises the reaction product of an alkoxy-functional organometallic compound and an alkoxy-functional organosilicon compound. A method of forming the flexible barrier film includes the steps of disposing the composition on a substrate and curing the composition to form the flexible barrier film. The flexible barrier film may be utilized in organic electronic devices.

Abstract: The invention relates to photopolymerizable compositions containing an oxonol dye, which compositions cure by exposure to ultraviolet and/or visible radiation and whose visible color is substantially reduced during exposure. More particularly, the invention pertains to photopolymerizable compositions comprising a pyridin-2,6-dione oxonol dye in an admixture of a polymerizable component and a photopolymerization initiator. Such compositions find use as adhesives, coatings, and the like. The disappearance of the visible color of the oxonol dye acts as an indicator of full cure of a photopolymerizable composition.

Abstract: A resizable polymer-stabilized, thermotropic liquid crystal device formulation is used in passive or active light-regulating and temperature-regulating films, materials and devices, including construction materials. Implementations of the device may be composed of five basic elements: one or more transparent substrates, a transparent surface treatment, a liquid crystal mixture, a stabilizing polymer, and spacer beads. The polymer-stabilized liquid crystal is coated and cured on at least one substrate. The transparent surface treatment and the stabilizing polymer network are selected to provide phase separation, curing, and adhesion within the LC mixture. The substrate or substrates may be polarizing or nonpolarizing.

Abstract: The present invention relates to radiation-curable coating materials comprising new photoinitiators, and to the use thereof.

Abstract: Curable coating composition suitable for use on composite substrates such as plastic composites, cementitious composites, ceramic composites, and engineered wood, or on plastic materials. The curable coating composition comprises a multifunctional oligomer, a monomer selected from the group consisting of monofunctional monomers, difunctional monomers and mixtures thereof, a photoinitiator, a polyester resin and a polycarboxylic acid. Also disclosed is a method of coating the substrates with the curable coating composition and a coated substrate wherein the cured coating resides on the surface of the substrate.

Abstract: The present invention relates to a method of making an industrial fabric including the steps of applying a radiation-curable powder onto the surface of a fabric, melting the radiation-curable powder such that the powder forms a layer on the fabric surface and directing radiation at this surface layer so as to cure the constituent material of the surface layer.

Abstract: This disclosure is related to photosensitive ink compositions comprising conductive nanostructures and a photosensitive compound, and method of using the same.

Abstract: Disclosed is an actinic ray curable composition comprising a cationically polymerizable compound, an onium salt, and a compound represented by formula 1, R1{(CR2R3)mOH}n??Formula 1 wherein R1 represents a condensed ring group; R2 and R3 independently represent a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group or a substituted or unsubstituted aralkyl group; m represents an integer of from 2 to 4; and n represents an integer of from 1 to 10.

Abstract: A cationically polymerizable composite coating composition comprising: a) a condensation product of at least one hydrolyzable silane having a fluorine-containing group, b) at least one cationically polymerizable organic resin, and c) a cationic initiator, provides, upon curing, substrates with an alkali-resistant, liquid-repellent coating. The composite coating composition may be used in pattern forming methods.

Abstract: The present invention provides a process for coating a plant propagation material, including a seed, comprising: a.) providing a propagation material, such as seed, to be coated; b.) applying to the propagation material a composition comprising at least one reactant having reactive functionality and, optionally, at least one active ingredient; and c.) polymerising, crosslinking, curing or otherwise reacting the reactant having reactive functionality on the surface of the plant propagation material to form a coating thereon which may encompass an a.i., when present. The present invention further provides a method for enhancing the safety, quality and/or viability of a plant propagation material, including a seed, comprising providing a coated material having less dust-off.

Abstract: Method for producing a polyacrylate adhesive compound by a hot-melt method in which a polyfunctional ?-cleaving initiator, which is present as an oligomer, is added to the polymer to be crosslinked prior to the hot-melt method and ultraviolet crosslinking is carried out after treatment in the hot-melt method.

Abstract: The invention relates to a multi-layer coating system comprising at least one layer a) comprising a coating composition a) comprising at—least one isocyanate-functional compound and at least one thiol-functional compound, and—at least one layer b) comprising an aqueous coating composition b), wherein at least one layer a) and at least one layer b) have at least one common layer boundary, and wherein coating composition b) comprises at least 17 mmol/kg, calculated on the weight of coating composition b), of a catalyst for the addition reaction of the at least one thiol-functional compound and the at least one isocyanate-functional compound.

Abstract: The invention relates to a method for applying a photo-activated layered polymer coating to a substrate material in which one or more layers do not contain photoinitiator, or are not exposed to initiating light, but cure due to migration of cationic active centers. At least two separate monomer layers are applied to the substrate material. At least one of the monomer layers includes a photoinitiator capable of producing cationic active centers. The at least one layer including the photoinitiator is exposed to a source of UV radiation at a desired wavelength forming cationic active centers. The at least two separate monomer layers react in a polymerization reaction forming a cured layered material. The cationic active centers of the exposed monomer layer migrate to the unexposed layer such that both layers cure via the polymerization reaction.

Abstract: It is an object of the present invention to provide an aqueous dispersion of acrylic modified starch with excellent long-term storage stability, as well as an aqueous coating composition that can form a coated film with excellent finished appearance, curability and weather resistance, obtained using the dispersion. The aqueous dispersion of the present invention is obtained by separate graft polymerization of a radical polymerizable unsaturated monomer mixture for formation of a hydrophobic polymer and a radical polymerizable unsaturated monomer mixture for formation of a hydrophilic polymer, in the presence of starch and/or modified starch, and neutralizing the carboxyl groups in the acrylic modified starch with a basic substance if necessary.

Abstract: The present invention concerns photopolymerisable systems comprising reactive oligomers and/or monomers having ethylenically unsaturated groups and at least one phenylglyoxalic ester that, by photochemical decomposition, generates fragments having low migratability and low odor.

Abstract: This invention concerns photopolymerizable systems containing ethylenically unsaturated reactive oligomers and/or monomers comprising at least one photoinitiator and at least one coinitiator having low-extractability and low-volatility; the photopolymerizable systems of the invention are particularly suited for the preparation of food-packaging coatings.

Abstract: The invention relates to the use of tungsten oxide or of tungstate to increase the heat-input amount of near infrared radiation in processes selected from laser welding of plastics, NIR curing of coatings, drying of printing inks, fixing of ink toners to a substrate, heating of plastic preforms, laser marking of plastics or paper.

Abstract: A photocurable resin composition is provided that exhibits an excellent storage stability, that can be easily cured by ultraviolet radiation, and that cures to form a cured film that exhibits an excellent ultraviolet absorbing performance at around the 300 nm wavelength, an excellent physical strength, an excellent stain resistance, an excellent film uniformity, and an excellent adherence by the film. This photocurable resin composition comprises the following components (A) to (E): (A) 100 weight parts of a multifunctional acrylate or a multifunctional methacrylate, (B) 1 to 100 weight parts of an aliphatically unsaturated bond-containing organoalkoxysilane, (C) 1 to 300 weight parts colloidal silica, (D) 0.01 to 20 weight parts of an ultraviolet absorber that has an absorption wavelength at 220 to 400 nm, and (E) 0.01 to 30 weight parts of a photopolymerization initiator that has an absorption wavelength at 300 to 450 nm.

Abstract: The invention relates to an actinic radiation-curable coating composition comprising a compound having at least two isocyanate groups, a compound having at least two hydroxyl groups, and a photolatent catalyst for the isocyanate-hydroxyl addition reaction, wherein the photolatent catalyst is an organic metal compound comprising a latent catalytically active metal, and wherein the latent catalytically active metal atom in the organic metal compound has no bonds to other metal atoms. The invention further relates to a process for forming a coating on a substrate.

Abstract: The present invention provides a new monomer and methods of using the monomer to fabricate robust polymer surface coatings with controlled thicknesses between 1 and 5 nanometers. The coatings are composed of a new material containing polymerized monomers of 4-vinylbenzenepropanethiol. The polymer surface coating may be applied to metal and silicon. The method includes exposing a metal substrate to a solution of the monomer in hexanes in order to deposit a monolayer of the monomer onto the metal surface. The substrate is then irradiated with ultraviolet radiation in order to graft a thin polymer coating onto the surface. The procedure can be repeated in order to control the thickness of the coating between about 1 nm and 5 nm. Alternatively, thermally initiated polymerization or deposition of partially oligomerized monomers onto the surface provides nanothin coatings with identical performance.

Abstract: The present disclosure is directed to a process for forming a reinforced ultraviolet (UV) radiation-curable composite. The composite may be formed by applying reinforcing layers and resin layers to a substrate. The resin composition may include an aliphatic urethane acrylate oligomer, a polyfunctional acrylate monomer, and a photoinitiator. The composite formed on the substrate may be exposed to UV radiation to cure the composite on the substrate. The composite may be characterized in that it is cured within 10 minutes of exposure to UV radiation and does not exhibit oxygen inhibition effects, such as, for example, surface tack. The reinforced UV-curable composite may find utility, for example, as a rapid field repair patch in aerospace applications, among others.

Abstract: The invention relates to a flame-retardant resin formulation comprising respectively at least one flame-retardant component, one alkali-soluble component, one polymerizable monomer, one photoinitiator, and one epoxy component, which comprises, as flame-retardant component, a phosphinic salt of the formula (I), in which R1 and R2 are identical or different and, independently of one another, are C1-C6-alkyl, linear or branched, and/or aryl; M is Mg, Ca, Al, Sb, Sn, Ge, Ti, Zn, Fe, Zr, Ce, Bi, Sr, Mn, Li, Na, K, and/or a protonated nitrogen base, and m is from 1 to 4. This novel flame-retardant resin formulation is preferably used as solder resist.

Abstract: A radiation curable phase change ink comprising a white colorant; a colorant dispersant; and an ink vehicle comprising at least one curable monomer; at least one gellant; optionally at least one photoinitiator; optionally at least one stabilizer; and optionally at least one wax.

Abstract: The invention provides compositions that include crosslinking agents having multiple photoactivatable groups, such as diaryl ketones, or a diaryl ketone, such as benzophenone, and at least one polymerizable monomer, such as a zwitterionic monomer. The compositions are useful as surface coating agents that provide brush type polymeric coatings. These polymeric coatings can be used on medical devices, such as artificial joints, to reduce wear and tear between the components of the joint and thus reduce or eliminate debris generated by friction between the joint components.

Abstract: A thermosensitive light-adjusting material is formed by reacting 18-84% polymer polyols and/or terminal hydroxyl-containing polymers which are formed by reacting polymer polyols and diisocyanate, with 15-80% terminal hydroxy-containing ethylenically unsaturated monomers through light or heat polymerization reaction. A process for preparing the thermosensitive light-adjusting material and an optical device comprising thereof. The light-adjusting ability is high, the light-adjusting range is broad, and mechanical capability is good. The preparation method is simple, short-circle, and high effective, so it can be applied in industry, furthermore, because of no organic solvents, the method's advantages are low cost and without pollution.

Abstract: A coating composition for a metal thin film for coating a vapor-deposited film or sputtered film provided on the surface of a base material, comprising: a coating film forming component containing 50% by weight or more of urethane (meth)acrylate that is a reaction product of hydrogenated xylene diisocyanate and/or hydrogenated diphenylmethane diisocyanate, polyol, and (meth)acrylate having a hydroxyl group.

Abstract: An energy-core ink or varnish composition is provided for use in an in-mold decoration (IMD) process, comprising an energy-curable resin, additional reactive monomers and/or oligomers and, optionally and in an amount not exceeding 10% by weight, a solvent, wherein the resin comprises a urethane acrylate oligomer having an aromatic or aliphatic polycarbonate backbone. For inks, the composition additionally includes a pigment or dye. For photocure compositions, a photoinitiator is also included. Also provided is an in-mold decoration (IMD) process employing the ink or varnish composition.

Abstract: A photo-crosslinkable polyolefin composition comprises a polyolefin, a source of functionality receptive to crosslinking by UV radiation, a cationic photoinitiator and optionally includes a free-radical photoinitiator, a crosslinking accelerator or sensitizer, and other additives such as compatibilizers, inorganic fillers, nanofillers, glass, polymeric and ceramic microspheres, glass fibres, flame retardants, antioxidants, stabilizers, processing aids, foaming agents and pigments. A method for manufacturing a UV-crosslinked polyolefin article comprises forming an article by extruding, moulding or otherwise forming the UV-crosslinkable polyolefin composition and subjecting the article to UV radiation on-line with the extrusion, moulding or other forming operation.

Abstract: The invention provides (1) an ink composition including a polymerization initiator and at least one compound selected from the group consisting of (meth)acrylic acid and monofunctional (meth)acrylic acid esters and amides each having a carboxy group in the molecule, (2) an ink composition including a polymerization initiator, at least one compound selected from the group consisting of (meth)acrylic acid and monofunctional (meth)acrylic acid esters and amides each having a carboxy group in the molecule, and a monofunctional (meth)acrylic acid ester or amide having an alkylene oxide repeating unit in the molecule, and (3) an ink composition including a polymerization initiator and a monofunctional (meth)acrylic acid ester or amide having a basic group in the molecule; and an ink jet recording method, a method for producing a planographic printing plate and a planographic printing plate produced by the method for producing a planographic printing plate using the above-mentioned ink compositions.

Abstract: Provided is a method for modifying a surface of a cyclic olefin copolymer, comprising: coating a compound of the following Chemical Formula 1 on the surface of a cyclic olefin copolymer substrate, irradiating UV light on the cyclic olefin copolymer substrate, and polymerizing a monomer on the cyclic olefin where X is H or F, and n is an integer of 1 to 6.

Abstract: An electroluminescent display comprising a mask (13) defining the information to be displayed mounted in front of an electroluminescent (EL) material backlight (16). The mask (13) comprises a layer of liquid crystal vesticles (14) encapsulated in a curable polymer matrix (15), where the polymer chains of the polymer matrix (15) have been cross-linked by exposure to radiation. Preferably the polymer matrix is a UV curable polyurethane. The invention also concerns a method of making such a display.

Abstract: The invention relates to novel photoinitiators of formula (I) wherein A is —O—, —CH2?, CH(CH3)— or —C(CH3)2?, and R is methyl or trimethylsilyl, and R may in addition be hydrogen when A is simultaneously the group —C(CH3)2?. The invention relates also to compositions comprising (A) at least one ethylenically unsaturated compound, (B) a photoinitiator of formula (I), (C) optionally further binders or additives, (D) optionally further photoinitiators or co-initiators. Compositions comprising (A) an ethylenically unsaturated compound that contains at least one aminoacrylate, (B) a photoinitiator of formula (II) or (III), (C) optionally further binders or additives, (D) optionally further photoinitiators or co-initiators.

Abstract: The present invention relates to a coating composition for a film with low refractive index and a film prepared therefrom, and more precisely, a coating composition with low refractive index which contains dispersed porous organic/inorganic hybrid nano-particles or a colloid containing the dispersed nano-particles, a photocurable compound having unsaturated functional groups, photoinitiator or photosensitizer, or an organic siloxane thermosetting compound, and a solvent and a film prepared therefrom. According to the present invention, porous particles have been formed by using a structural regulator in a silane compound at a specific size, in order to be fitted for a film with low refractive index, and then the structural regulator has been eliminated by a simple process before forming the film, resulting in preparation of a film with extremely low refractive index at a low temperature of up to 120° C.

Abstract: An ink composition is provided that includes a cationically polymerizable compound (a), a compound (b) that generates an acid when exposed to radiation, a colorant (c), and a salt of a weak acid having a pKa of 4 to 8 (d). There is also provided an inkjet recording method that includes a step of discharging the ink composition onto a recording medium, and a step of irradiating the discharged ink composition with radiation so as to cure the ink composition.

Abstract: The present invention relates to powder compositions curable by ultraviolet irradiation or by accelerated electron beams. These powder compositions comprise at least one ethylenically unsaturated resin, and lend to the production of paint and varnish coatings exhibiting a unique combination of properties, inter alia good flow and mechanical properties and above all outstanding adhesion to metal substrates, persisting on ageing.

Abstract: A composition comprising a cationically-polymerizable compound, an iodonium-based cationic initiator, a sensitizer for said cationic initiator and an antioxidant selected from the group consisting of phenol antioxidants, lactone antioxidants, and combinations of these antioxidants is provided. The addition of this antioxidant to this composition contributes to the reduction of potential run-away reaction when it is exposed in-bulk to actinic radiation.

Abstract: Adhesive compositions useful for laminating cellulosic substrates are formulated using an aqueous emulsion of a vinyl ester polymer such as polyvinyl acetate, one or more monomers or oligomers functionalized with (meth)acrylate groups, and a photoinitiator. The adhesive is cured by drying and exposing the adhesive to UV or visible light and is particularly useful for attaching clear films to cellulosic substrates such as paper and boxboard (e.g., in the manufacture of envelopes or folding cartons having windows).

Abstract: A UV-A-curable, solvent-containing composition composed of (A) 1% to 50% by weight of a UV-A-curable constituent containing isocyanate-reactive groups; (B) 0.01% to 10% by weight of a colorless photoinitiator having an absorption maximum in the wavelength range of ?=300 to 400 nm; (C) 10% to 70% by weight of an alkyl and/or cycloalkyl acetate having 3 to 10 carbon atoms in the alkyl radical and/or in the cycloalkyl radical; (D) 10% to 70% by weight of an alkoxyalkyl, alkoxycycloalkyl, cycloalkoxyalkyl and/or cycloalkoxycycloalkyl acetate; (E) 0.01% to 5% by weight of a constituent that lowers the interfacial tension; (F) 0 to 50% by weight of an alkylaromatic having at least two alkyl radicals having 1 to 6 carbon atoms in the molecule; and (G) 0 to 50% by weight of an additive different from constituents (A) to (F); processes for preparing it, and its use as a spot blender in automotive refinishing, especially in spot repair, or for preparation thereof.

Abstract: A method for fabricating a three-dimensional object including depositing a first amount of an ultraviolet curable phase change ink composition comprising an optional colorant and a phase change ink vehicle comprising a radiation curable monomer or prepolymer; a photoinitiator; a reactive wax; and a gellant upon a print region surface; successively depositing additional amounts of the ultraviolet curable phase change ink composition to create a three-dimensional object; and curing the ultraviolet curable phase change ink composition.

Abstract: A method of forming transflective LCD panel includes forming a compensation material having reactive liquid crystal monomers, thermal initiators and a solvent on a first substrate. Then, a first heating process is performed on the compensation material to remove parts of the solvent and then a photo-polymerizing process is performed, and parts of the compensation material disposed in a reflective region are turned into birefringent zones. Moreover, a second heating process is performed, in which the first substrate is kept in a predetermined temperature for a predetermined time, and thereafter nitrogen gas flows in to the chamber to form a non-oxygen condition. Accordingly, parts of the compensation material disposed in a transmission region are turned into isotropic zones. The predetermined temperature of the second heating process is higher than the cleaning point of the reactive liquid crystal monomers.

Abstract: A polymeric surfactant formed by the reaction of an oligomeric or polymeric substrate with at least one ethylenically unsaturated monomer, wherein the reaction is conducted in the presence of a type II photo initiator and by the action of actinic radiation. The polymeric surfactant is useful for stabilising the interface in emulsions or dispersions.

Abstract: The present invention discloses a photocurable composition that is combinable with a thermally curable clearcoat composition to form a dual curable composition that is useful for forming clearcoats with improved sag resistance. The photocurable composition of the invention includes at least one photocurable oligomer; a first photoinitiator that absorbs light in a first spectral region such that curing of the photocurable composition preferentially occurs near the surface of the of the coating; and a second photoinitiator that absorbs light in a second spectral region such that curing of the photocurable composition occurs throughout the coating. The present invention also provides a method of coating a substrate with a dual curable composition.

Abstract: An intaglio printing ink, curing by free radical acrylate chemistry, which does not fluoresce in at least the visible region under ultraviolet light is prepared by using an acylphosphine oxide as the photoinitiator.

Abstract: A method of reducing unreacted monomer in a water-soluble or water swellable polymer comprising the steps, i) applying an ultraviolet initiator to the surface of the polymer and ii) irradiating the polymer with ultraviolet light, wherein the ultraviolet initiator is dissolved or dispersed in a liquid medium and in which the liquid medium comprises an organic compound. The method is useful for reducing in the amount of unreacted acrylamide in polyacrylamide. Also claimed is a liquid initiator composition comprising, i) an ultraviolet initiator, and ii) a liquid medium comprising an organic compound. The initiator system is useful for applying to the surface of a polymer, such as polyacrylamide, in the removal of unreacted monomer, such as acrylamide.

Abstract: A method for producing an electromagnetic-wave-shielding light-transmitting window member comprising a transparent substrate and a conductive pattern formed by electroless plating on a surface of the transparent substrate. In the method, an ultraviolet-curable resin paste containing an electroless plating catalyst is applied to a surface of a transparent substrate, and the resulting printed pattern is cured by irradiation of ultraviolet light to form a resin pattern. Subsequently, a plating layer is deposited on the resin pattern by electroless plating treatment to form a conductive pattern. The ultraviolet-curable resin paste is selected from a group of sublimable resists and phthalocyanine-based sublimable materials and contains a volatile substance that is volatized by heating or irradiation. By using the ultraviolet-curable resin paste, a good conductive pattern having excellent adhesion to the transparent substrate can be formed with high accuracy, efficiently, and at low cost.

Abstract: Compositions and methods are provided that increase adhesion of a primer, such as an adhesion promoter, to a plastic substrate and/or increase adhesion of a topcoat to the primer. Chemical properties at the interface of the substrate and the adhesion promoter coating and/or chemical properties at the interface of the adhesion promoter coating and topcoat are modified in order to improve adhesion.