Abstract: An aqueous-based UV-curable fluid composition for use in a micro-fluid ejection device. The fluid composition includes a mixture of poly-functional compounds, a colorant compound, a photo-initiator and less than about 50 weight percent water based on a total weight of the fluid composition, wherein the fluid composition is substantially devoid of volatile organic carrier fluids.

Abstract: A method for coating metallic surfaces with a paint or paint-like coating prior to forming.

Abstract: Magnetic ink and toner compositions traditionally comprise magnetic materials in fine particulate form, either as a dry composition or a liquid suspension. Often such materials are black or dark in colour. Disclosed herein are particles compositions suitable for use as inks or toners, that exhibit desirable magnetic properties, and furthermore which include particles coated so they appear white substantially white, or coloured. Such compositions present new opportunities for the production of corresponding magnetic layers, when the compositions are deposited in an appropriate manner to a substrate.

Abstract: A method for producing an article which is made of a transparent material and devoid of visible surface lines consists in producing a substrate which is made of a transparent material having a refractive index ns, whose at least main face is machined and polished in such a way that the Ra value thereof ranges from 0.001 to 0.1 ?m, but has visible surface defects in the form of thin individual scratches, in deposing, a liquid polymerisable composition of a masking coating, whose contact angle with said substrate main face is equal or less than 30° and which is formed by polymerising a masking coating having a refractive index nc such as 0.01<|ns?nc|=0.15 and a thickness less than 10 micrometers, directly on the machined and polished main face of the substrate, in polymerising the masking coating composition and in removing the transparent article.

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: To provide a method of making a film of organic material excellent in moisture barrier property and/or oxygen barrier property and also to provide an electronic device excellent in long term stability, in which the film obtained by such film making method is utilized to form a protective film for protecting an electronic device, and particularly an organic electronic device, to avoid deterioration of the performance, which would otherwise be brought about by moisture and oxygen in the atmosphere. The film is formed by depositing and solidifying, on a substrate, an evaporant formed by irradiating a liquid crystal polymer capable of exhibiting an optical anisotropy with pulsed laser.

Abstract: According to the present invention, provided are a curable composition containing a (A) compound which has a structure having two or more cyclic ether groups, in the molecule and a linking group linking the cyclic ether groups, which contains an alkylene group having 4 or more carbon atoms, or a curable composition containing a compound which has, in the molecule, two or more moiety structures containing 4-membered or more cyclic ether and a moiety structure represented by the following formula (Y-I), and an ink composition comprising the curable composition and a compound represented by the following formula (i).

Abstract: A process for preparing a membrane comprising the steps of: (i) Providing a composition comprising a polymerizable compound having at least 25 oxyethylene groups and at least two non-substituted vinyl groups; (ii) Applying said composition to a support thereby forming a continuous layer on the support; (iii) Polymerizing said composition thereby forming a non-porous polymer film. Also claimed are the resultant membranes and their uses, e.g. for separating polar and non-polar gases.

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 is to provide an optical sheet having excellent abrasion resistance and hardness, and a method for producing the same. The object of the present invention was accomplished by an optical sheet in which a hard coat layer is provided on one surface of a substrate, wherein the hard coat layer comprises a cured product of a curable resin composition for a hard coat layer, which composition comprising reactive, irregularly shaped silica fine particles and a binder component, and wherein at least part of the irregularly shaped silica fine particles have a specific three-dimensional configuration and are present on an interface on the side opposite to the substrate side of the hard coat layer.

Abstract: The main object of the present invention is to provide an optical sheet having excellent abrasion resistance and hardness, and a method for producing the same. The present invention provides an optical sheet in which a hard coat layer is provided on one surface of a substrate, wherein the hard coat layer comprises a cured product of a curable resin composition for a hard coat layer, which comprises reactive inorganic fine particles and a binder component, and wherein fine protrusions are provided on an interface on the side opposite to the substrate side of the hard coat layer, in which the minimum angle of each of the fine protrusions making angles with a virtual plane that is parallel to the hard coat layer is an acute angle.

Abstract: An antimicrobial material is provided for use in forming textiles, medical devices, packaging materials, and the like, or coatings thereon. In some embodiments, the antimicrobial material may be utilized for bulk modification of an article. The antimicrobial material includes a furanone possessing vinyl and/or acrylate functional groups, optionally in combination with another monomer possessing vinyl and/or acrylate groups.

Abstract: A new light modulating material using interconnected unidirectionally oriented microdomains of a liquid crystal, dispersed in a stressed polymer structure, is provided. The light modulating material is prepared by dissolving the liquid crystal in an uncured monomer and then curing the monomer so that the polymer forms a well-developed interpenetrating structure of polymer chains or sheets that is uniformly dispersed through the film. When the film is subjected to stress deformation the liquid crystal undergoes a change in its unidirectional orientation. The concentration of the polymer is high enough to hold the shear stress, but is as low as possible to provide the highest switch of the phase retardation when an electric field is applied. The new materials are optically transparent and provide phase modulation of the incident light opposed to the low driving voltage, linear electro-optical response, and absence of hysteresis.

Abstract: A method for patterning a one or more biomolecules on a substrate that includes coating the substrate with a coating of the one or more biomolecules, applying a laser to the coating, and ablating a portion of the one or more biomolecules with the laser in a predetermined pattern.

Abstract: A photoinitiated cationically curable composition is provided, including at least one substantially saturated epoxy component comprising at least two glycidyl ether groups; at least one acrylonitrile/butadiene copolymer; and at least one cationic photoinitiator. The compositions exhibit excellent strength properties as well as reduced color formation upon curing, particularly after post-curing thermal treatments. Methods of bonding substrates with such compositions and articles prepared therefrom are also provided through the invention.

Abstract: The present disclosure relates to an absorbent structure for use in a diaper for babies and infants, a feminine hygiene article and/or an incontinence article, said absorbent structure comprising a water-absorbing material, the water-absorbing material being obtainable by a process comprising the steps of A) treating a particulate, non-surface-crosslinked, water-absorbing polymer with a mixture comprising an aqueous solvent and at least one salt of a transition metal and B) irradiating the polymer treated according to A) with UV radiation, and to a process for its production.

Abstract: The invention is directed to compositions on a surface which comprise a) at least a (meth)acrylate prepolymer, b) an adhesion promoting monomer of formula (I) wherein Q, R1, R2, R4, R5, m and n are defined herein. Further the compositions may be used to improve the adhesion to surfaces, especially metallic surfaces and may include additional optional components such as adhesion promoting photoinitiators.

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: A light curing structure and related methods are disclosed wherein a framework defining an interior space for containing an object having applied thereon a light-cured material is provided, and means associated with the framework for exposing the object to UV radiation from natural sunlight is used to cure the light-cured material. Preferred embodiments include a booth for applying and curing light-cured materials comprising a housing having a ceiling and walls that define an enclosed interior space for holding an object, means for applying a light-cured material to the object; means for preventing the exposure of the light-cured material to UV radiation during application of the light-cured material to the object, and means for exposing the light-cured material to UV radiation from natural sunlight after application of the light-cured material to the object. Apparatus and methods according to the invention are particularly suited for use with UV-cured paints in the automotive industry.

Abstract: There is provided methods and apparatus for compensation of intensity profiles of imagers used in three-dimensional modelers. The intensity profile of the actinic radiation projected from the imager is determined by a variety of techniques, including but not limited to manually operated sensors, exposed and scanned actinic radiation-sensitive paper, and intensity profilers. Once the intensity profile of the imager is determined, each layer of the solidifiable liquid material is cured by projecting a plurality of patterns (as opposed to a single pattern) defining the two-dimensional cross-section of the part being cured. The patterns vary in duration, number, and/or shape to correlate to the intensity profile so that a single layer of selectively cured solidifiable liquid material is cured with a substantially equivalent (or otherwise controlled) amount of actinic radiation per unit of surface area to provide generally controlled and consistent part quality.

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 coating formulation for a substrate having abstractable hydrogen radicals is disclosed. The formulation includes a hydrophilic polymeric component comprising at least two polymeric species of differing molecular weights, an unsaturated hydrophilic monomer capable of free-radical polymerisation in the presence of a radical and a UV activatable compound capable of abstracting hydrogen radicals from the surface to be coated and from a polymeric specie of the hydrophilic polymeric component so as to initiate and promote the cross-linkage of the monomer to the surface and of the monomer or a propagating monomer chain to a polymeric specie of the polymeric component, and a suitable solvent to give the formulation a desired viscosity.

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: Compositions and methods for producing multi-layered plastic pipes are described. Some embodiments of the compositions comprise a cross-linkable polymer system (for example, based on either acrylate or epoxy chemistry), a photoinitiator, and one or more additives such as a pigment, an antioxidant, a light stabilizer, or other additive. In an exemplary method of producing a multi-layered plastic pipe, a base pipe, for example comprising cross-linked polyethylene, is conveyed through an oxidizing step in which at least the outer surface of the base pipe is oxidized, through a coating step in which a pre-polymer system is applied to the outer surface of the base pipe and through a curing step in which the pre-polymer is cured to form a layer of the pipe.

Abstract: A method of coating without permitting the coating solution to flow onto the side surfaces or the back surfaces of the lenses in the operation for applying the coating solution onto the lenses. A lens 15 is spin-coated with the coating solution having a particular viscosity. A side edge portion 121 of a spatula 119 is brought into contact with an upper edge portion of a side surface 15a of the lens 15 before the coating solution fed onto the surface of the lens arrives at the peripheral edge portion of the lens. The side edge portion 121 of the spatula 119 is so arranged that the upper end side of the spatula is tilted toward the center side of the lens 15 at an angle of 5 to 35 degrees with the vertical line as a reference. The coating solution applied onto the lens 15 that is rotating adheres onto the spatula 119 but does not adhere onto the side surface of the lens 15.

Abstract: Polymer-coated transmission media having water-blocking material embedded in the outer surface of the transmission media prevents water penetration into the transmission media and reduces the overall diameter of a cable made from the transmission media by eliminating a water-blocking tape layer in the cable. The outer surface of the transmission media is a polymer whose outer surface is embedded with a water-blocking material. The water-blocking material is applied before the polymer is cured. The transmission media may be any known type of optical media, which guides a light within the optical media. In various embodiments, optical fibers, buffered optical fibers and fiber ribbons are used as the transmission media.

Abstract: A method feeds a continuous core of a print cartridge cleaning blade along a path. The path passes, in the following order, firstly through a coating bath or spray coating station, secondly by a curing station, thirdly through a cutter, and fourthly to a finisher station. Thus, the method herein coats portions of the continuous core that are in the coating bath/spray station with an outer covering. For portions of the continuous core that are adjacent the curing station, the method cures the outer covering of the continuous core; for portions of the continuous core that are in the cutter, the method cuts the continuous core into predetermined lengths; and for portions of the predetermined lengths of the continuous core that are adjacent the finishing station, the method finishes the outer covering of the predetermined lengths of the continuous core to produce a finished print cartridge cleaning blade.

Abstract: An antireflective coating composition includes a photopolymerizable acrylate monomer (C1); a particle-type metal fluoride (C2) with a refractive index of 1.40 or less; a photopolymerization initiator (C3); and at least one liquid dispersion-enhancing chelating agent (C4) selected from the group consisting of Mg(CF3COO)2, Na(CF3COO), K(CF3COO), Ca(CF3COO)2, Mg(CF2COCHCOCF3)2 and Na(CF2COCHCOCF3). This composition ensures good mechanical strength, excellent adhesion to a substrate, short curing time by UV curing, prevention of dust attachment, good erasure of stain, good dust removal and good scratch resistance, so it is usefully for making an antireflective coating film of a display.

Abstract: A low resistivity hybrid optical cladding may be formed from a sol-gel doped with an inorganic salt such as lithium perchlorate. An electro-optic device may be formed by poling an organic chromophore-loaded modulation layer through at least one layer of the low resistivity hybrid optical cladding.

Abstract: The invention relates to a coating formulation for preparing a medical coating, which coating formulation comprises (a) at least one multifunctional polymerizable compound according to formula (I), wherein G is a residue of a polyfunctional compound having at least n functional groups, wherein each R1 and each R2 independently represents hydrogen or a group selected from substituted and unsubstituted hydrocarbons which optionally contain one or more heteroatoms, and wherein n is an integer having a value of at least 2; and (b) at least one initiator.

Abstract: A method for manufacturing a display device, having hollows containing fine particles, for displaying an image using the fine particles includes a step of packing a dispersion in the hollows, the dispersion containing the fine particles, a dispersion medium, and a precursor, dissolved or dispersed in the dispersion medium, for forming a sealing layer; a step of providing a support layer on partitions; a step of coating a face of the support layer and end portions of the partitions with the sealing layer precursor by allowing the face of the support layer and the end portions of the partitions to adsorb the sealing layer precursor, the face of the support layer and the end portions of the partitions being in contact with the dispersion; and a step of forming the sealing layer by subjecting the resulting sealing layer precursor to at least one of polymerization and cross-linking.

Abstract: A method is provided for forming a polymeric coating on a stent. The method can comprise applying a prepolymer or a combination of prepolymers to the stent and initiating polymerization to form a polymeric coating on the stent. The coating material can optionally contain a biologically active agent or combination of agents.

Abstract: The present invention is directed to a medical device having a polymerized base coat layer for the immobilization of an anti-thrombogenic material, such as heparin, thereon. The binding coat layer is comprised of various chemically functional groups which are stable and allow for the immobilization of the anti-thrombogenic material thereto. Methods for immobilizing the anti-thrombogenic material within the base coat layer posited on a surface of the medical device are also provided.

Abstract: The present invention provides a curable composition including: a compound having a single partial structure containing a cyclic ether group, and at least one linear alkyl group having 5 or more carbon atoms; and a compound that generates acid when irradiated with radiation. The present invention also provides an ink composition containing the curable composition, an inkjet-recording method by using the ink composition, and a planographic printing plate obtained by using the ink composition.

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: There is provided a polyimide precursor which can alter the hydrophilicity/hydrophobicity of the surface of a cured film formed readily even by a low level of ultraviolet ray irradiation; and a polyimide produced from the polyimide precursor. The polyimide precursor having a structure represented by the following formula (1): (where A represents a tetravalent organic group; B represents a bivalent organic group having a thiol ester bond in its main chain; R1 and R2 independently represent a hydrogen atom or a univalent organic group; and n represents a natural number).

Abstract: A lithium microbattery formed by a stack of thin layers on a substrate which comprises two current collectors, a positive electrode, a solid electrolyte layer, a negative electrode and an encapsulating layer. The encapsulating layer is formed by a protective layer made from polymer material on which a barrier layer is arranged. The protective layer comprises a copolymer formed from a homogeneous mixture of at least two photopolymerizable precursor materials, respectively acrylate-based and epoxide-based.

Abstract: Disclosed is a carbon nanotube-containing composition which contains a carbon nanotube and a urethane compound obtained by a reaction between a hydroxyl group-containing (meth)acrylate and a isocyanate compound. Also disclosed is a composite having a coating film or a cured film composed of the carbon nanotube-containing composition on at least one surface of a base material. The carbon nanotube-containing composition and the composite are excellent in electrical conductivity, film-formability, moldability, and transparency without deteriorating the characteristic properties of the carbon nanotube itself.

Abstract: An optofluidic lithography system including a membrane, a microfluidic channel, and a pneumatic chamber is provided. The membrane may be positioned between a pneumatic chamber and a microfluidic channel. The microfluidic channel may have a height corresponding to a displacement of the membrane and have a fluid flowing therein, the fluid being cured by light irradiated from the bottom to form a microstructure. The pneumatic chamber may induce the displacement of the membrane depending on an internal atmospheric pressure thereof.

Abstract: A method for producing with high productivity a resin structure which can be used in an optical control film is provided. The method for producing a resin structure includes: applying with a coating applicator, a coating liquid in which at least one polyfunctional monomer or polyfunctional oligomer and a polymerization initiator are dissolved to a traveling support; and irradiating the coating liquid with ultraviolet rays, with an ultraviolet irradiation apparatus, to cure the coating liquid by polymerization to form a columnar structure.

Abstract: A paint and method are divulged for protecting the silver film of mirrors. The paint in its preferred embodiment includes a metal carboxylate which will contribute metal ions, namely stannous octoate for the contribution of stannous(II) ions in an amount of 0.5% or greater by weight. Alternate methods of the invention utilize an additional coating over the paint, such as an acrylic, epoxy or blend thereof which is UV curable. In another form of the paint, copper octoate is utilized in a minimum amount of 0.5% by weight for contribution of copper(II) ions.

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 process of coating an article includes the steps of (1) applying a ceramic compound to at least one surface of an article to form a layer of ceramic compound; (2) applying at least one inert compound upon the ceramic compound layer to form a protective layer, wherein the at least one inert compound is composed of a first inert compound having a cubic crystalline structure of formula (I) A3B2X3O12, or a second inert compound comprising a hexagonal crystalline structure of formula (II) A4B6X6O26, or a mixture of the first inert compound and the second inert compound; (3) optionally drying the coated article; (4) optionally repeating steps (2) and (3); and (5) heat treating the coated article.

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: The present invention relates to a double layer coating formed of a first layer (lower layer) of photo/thermosetting resin and a second later (upper layer) comprising hydrophobic microparticles partially incorporated in a matrix of photo/thermosetting resin. The application of said coating is an effective method for generating ultra water-repellent and antireflective surfaces.

Abstract: A curable ink composition for digitally printing onto plastic substrates that can be formed into three-dimensional objects is provided. Generally, the ink composition comprises a pigment, an acrylic polymer or copolymer, a diluent, and a mono-functional monomer.

Abstract: Compositions that can be polymerized and/or crosslinked into coatings by cationic and/or radical irradiation contain at least one photoinitiator and at least one compound having at least one isocyanate function.

Abstract: Method of coating a web-form carrier material with an aqueously dispersed composition, the composition being applied to the carrier material with a suitable applicator with a coatweight of at least 10 g/m2 (dry) and the subsequent drying of the coated carrier material taking place in a suspension drying unit.

Abstract: An alignment substrate includes a substrate and an alignment layer. The substrate includes a plurality of unit pixel areas. Each of the unit pixel areas includes a plurality of sub-pixel areas arranged in a matrix configuration. The alignment layer is on the substrate and has polymer chains protruding from a surface of the alignment layer. The alignment layer has a plurality of alignment vectors in which the polymer chains are pretilted according to the sub-pixel areas. The alignment vectors corresponding to adjacent sub-pixel areas point in different directions from each other.