Abstract: A process for producing polymeric films by applying a liquid composition onto a surface of a substrate under vacuum conditions in a vacuum chamber. The composition has a first component which is polymerizable or crosslinkable in the presence of a sufficient amount of an acid; and a cationic photoinitiator which generates an acid upon exposure to ultraviolet radiation, electron beam radiation or both to cause polymerizing or crosslinking of the first component. A gas which emits ultraviolet radiation upon exposure to electron beam radiation is introduced into the vacuum chamber. The composition and the gas are exposed to electron beam radiation to cause the cationic photoinitiator to generate an amount of an acid to cause polymerizing or crosslinking of the first component. The composition is exposed to both electron beam radiation and gas-generated ultraviolet radiation and cured.

Abstract: The present disclosure relates to methods and systems for synthesis of bridged-hydropentacene, hydroanthracene and hydrotetracene from the precursor compounds pentacene derivatives, tetracene derivatives, and anthracene derivatives. The invention further relates to methods and systems for forming thin films for use in electrically conductive assemblies, such as semiconductors or photovoltaic devices.

Abstract: The radiation-curable phase-change ink composition having at least one radiation curable fluorescent co-monomer and a gellant. The radiation-curable phase-change ink composition offers both document security features as well as potential brand highlight features. The radiation-curable phase-change ink composition combines the unique attributes of the UV curable gel system, with its tremendous substrate latitude, with the ability to add tunable fluorescent effects without the safety concerns of small molecule fluorescent additives. Exemplary ink compositions include a first co-monomer, least one radiation curable fluorescent co-monomer, and a gellant. Methods for making and using these ink compositions and ink compositions are also provided.

Abstract: Disclosed herein are coated articles and methods of preparing the same.

Abstract: This invention is directed to a method for producing a coating layer of a coating composition by introducing a catalyst as a second component into an atomized stream of a first component of the coating composition. This invention is also directed to a spray gun for producing such coating layer.

Abstract: Provided is a method for producing a wiring harness including a sealing member having higher airtightness, the method including a coat formation step of forming a coat of a composition solution by providing the composition solution that contains at least a photo polymerization initiator, a thermal radical polymerization initiator, a redox catalyst and a polymerizable compound to an exposed bunched portion and a coated bunched portion that is adjacent to the exposed bunched portion of the bunch of electric wires, and a light irradiation step of irradiating the coat formed on the exposed bunched portion and the adjacent coated bunched portion with light to photocure the coat.

Abstract: A curable composition comprising: (i) 2.5 to 50 wt % crosslinker comprising at least two acrylamide groups; (ii) 12 to 65 wt % curable ionic compound comprising an ethylenically unsaturated group and a cationic group; (iii) 10 to 70 wt % solvent; and (iv) 0 to 10 wt % of free radical initiator; and (v) non-curable salt; wherein the molar ratio of (i):(ii) is >0.10. The compositions are useful for preparing ion exchange membranes.

Abstract: A curable composition comprising: (i) 2.5 to 50 wt % crosslinker comprising at least two acrylamide groups; (ii) 12 to 65 wt % curable ionic compound comprising an ethylenically unsaturated group and a cationic group; (iii) 15 to 70 wt % solvent; and (iv) 0 to 10 wt % of free radical initiator; and (v) 2 to 50 wt % of non-curable salt; wherein the composition has a pH of 1 to 12. The compositions are useful for preparing ion exchange membranes.

Abstract: A curable composition comprising: (i) 2.5 to 50 wt % crosslinker comprising at least two acrylamide groups; (ii) 20 to 65 wt % curable ionic compound comprising an ethylenically unsaturated group and an anionic group; (iii) 15 to 45 wt % solvent; and (iv) 0 to 10 wt % of free radical initiator; wherein the composition has a pH of 0.8 to 12. The compositions are useful for preparing ion exchange membranes.

Abstract: Disclosed is a vehicle member comprising a resin substrate and a protective film formed on at least a part of the surface of the resin substrate. The protective film is produced by curing a curable coating agent composition, wherein the curable coating agent composition comprises 95 to 65 parts by mass of a component (A) comprising an urethane adduct compound having weather resistance, 5 to 35 parts by mass of a component (B) comprising a specific organosilicon compound, 0.1 to 10 parts by mass of a component (C) which is a radical polymerization initiator, 1 to 12 parts by mass of a component (D) which is an ultraviolet ray absorber, and 10 to 1,000 parts by mass of a component (E) which is an organic solvent, with respect to 100 parts by mass of the components (A) and (B) in total.

Abstract: Antireflective film articles and low refractive index coating compositions are described that comprises a fluorinated free-radically polymerizable polymeric (e.g. intermediate) material. The free-radically polymerizable fluorinated polymeric intermediate comprises the reaction product of i) at least one multi-functional free-radically polymerizable material having a fluorine content of at least 25 wt-%, and ii) optionally other multi-functional free-radically polymerizable material. The total amount of multi-functional materials is preferably at least about 25 wt-%.

Abstract: A method includes applying an aldehyde abatement composition to a substrate to reduce at least one of the amount of an aldehyde on the substrate, the amount of an aldehyde emitted from the substrate, or the amount of an aldehyde near the substrate. The composition includes an amino-functional compound selected from: (1) compounds with a primary amino functional group and a weight average molecular weight of less than about 1000 g/mol; (2) compounds with a secondary amino functional group; (3) compounds with a tertiary amino functional group; (4) compounds with a functional group comprising an amine complex; and combinations thereof.

Abstract: Provided are a flexible metal clad laminate and a method for manufacturing the same. The flexible metal clad laminate is obtained by applying a polyimide precursor resin convertible into a polyimide resin many times onto a metal clad, followed by drying, and by converting the polyimide precursor resin into a polyimide resin through infrared ray (IR) heat treatment. The polyimide resin layer that is in direct contact with the metal clad has a glass transition temperature of 300° C. or higher, and the polyimide resin layer has an overall linear thermal expansion coefficient of 20 ppm/K or lower. It is possible to obtain a flexible metal clad laminate for flexible printed circuit boards that causes no curling before and after etching, shows a small change in dimension caused by heat treatment, and has high adhesion to a metal clad and excellent appearance after completing imidization.

Abstract: Disclosed are methods for making a cured sealant. The methods include depositing an uncured sealant composition on a substrate and exposing the uncured sealant composition to actinic radiation to provide a cured sealant. The uncured sealant composition includes a thiol-terminated polythioether and a polyene comprising a polyvinyl ether and/or a polyallyl compound. Related sealant compositions are also disclosed.

Abstract: This invention relates to a transparent composite material having a low coefficient of liner thermal expansion and excellent transparency and flexibility, which is formed by curing a resin composition containing urethane (meth)acrylate, in which 10 to 40% by mass of synthetic smectite that is organized with a quaternary ammonium salt and/or a quaternary phosphonium salt and has a number average particle diameter of from 10 to 300 nm and an aspect ratio of from 10 to 300 is dispersed; and a transparent composite sheet using the material.

Abstract: An alignment layer material is provided. The alignment material includes approximately 3%-50% weight percentage of Methyl acrylate, approximately 15%-50% weight percentage of Acrylate Monomer, and approximately 10%-50% weight percentage of Polyurethane modified Acrylic Resin.

Abstract: Disclosed is a polyamine sheet which is usable for DNA chips or protein chips. Also disclosed are a photoreactive polyamine used for producing such a polyamine sheet, and a photoreactive compound which can be a raw material for such a photoreactive polyamine. Specifically disclosed are a photoreactive compound having a diazirine group as a photoreactive group, a photoreactive polyamine compound produced from such a photoreactive compound and a polyamine, a polyamine sheet using such a photoreactive polyamine compound, and a method for producing such a polyamine sheet.

Abstract: An optical film is provided and includes: a cellulose acylate film; and an antistatic layer including a conductive compound having a hydrophilic property. The conductive compound is localized in an inside of the antistatic layer as compared to a surface-side region of the antistatic layer.

Abstract: A process for overcoating an image and enhancing the adherence of the overcoat to the image by applying heat and/or infrared light to the image. The image may be formed with a toner containing a resin and colorant.

Abstract: Photocrosslinkable electrically conductive polymers and compositions including the polymers are provided. Also, electrically conductive layers or films formed from the compositions, preparation methods of these, and articles including the electrically conductive layers or films are provided. The electrically conductive polymers according to the present disclosure have photoreactive groups that can be crosslinked using like. The electrically conductive polymers can also be dissolved in aqueous solution. These photocrosslinkable and soluble properties allow the electrically conductive polymers to be used in wet processing to make films and/or to be made into a patterned conductive layer or film using a photomask.

Abstract: A composite membrane includes a filtration membrane with a surface; and a layer on the surface of the filtration membrane.

Abstract: The present disclosure provides rewettable asymmetric membranes and methods of forming rewettable asymmetric membranes. More specifically, methods are provided for forming rewettable asymmetric membranes having a copolymer and a polymerized material retained within the porous substrate.

Abstract: A water dilutable UV-curable polyurethane containing alkylene oxide groups, the polyurethane being obtained from components comprising at least: (i) 1 to 25 wt. % of at least one polyisocyanate; (ii) 0 to 80 wt. % of at least one hydroxyl functional compound containing alkylene oxide groups; (iii) 10 to 90 wt. % of at least one hydroxyl functional compound containing at least one polymerisable unsaturated (meth)acryloyl functional group per molecule; and (iv) 0 to 50 wt. % of at least one isocyanate-reactive compound not comprised by (ii) or (iii); wherein the sum of (i) to (iv) is 100%.

Abstract: The present invention relates to a composition for liquid crystal alignment layer, a preparation method of liquid crystal alignment layer using the same, and an optical film comprising the liquid crystal alignment layer. More particularly, the composition for liquid crystal alignment layer according to the present invention includes crosslinkable functional monomers as well as a photoreactive polymer, thereby improving thermal stability and durability of the liquid crystal alignment layer that is prepared by using the composition for liquid crystal alignment layer. In addition, when the liquid crystal alignment layer is used to produce an optical film, adhesive strength between substrate and liquid crystal alignment layer and between liquid crystal alignment layer and liquid crystal film can be improved.

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: A radiation-curable composition comprising a radiation-curable compound, a free acid and a halogenated polyolefin is disclosed. The compositions are useful in the repair of damaged motor vehicle body parts.

Abstract: A cap layer that enables a photopatternable, spin-on material to be used in the formation of semiconductor device structures at wavelengths that were previously unusable. The photopatternable, spin-on material is applied as a layer to a semiconductor substrate. The cap layer and a photoresist layer are each formed over the photopatternable layer. The cap layer absorbs or reflects radiation and protects the photopatternable layer from a first wavelength of radiation used in patterning the photoresist layer. The photopatternable, spin-on material is convertible to a silicon dioxide-based material upon exposure to a second wavelength of radiation.

Abstract: The present invention relates to a composition for liquid crystal alignment layer, a preparation method of liquid crystal alignment layer using the same, and an optical film comprising the liquid crystal alignment layer. More particularly, the composition for liquid crystal alignment layer according to the present invention includes crosslinkable functional monomers as well as a photoreactive polymer, thereby improving thermal stability and durability of the liquid crystal alignment layer that is prepared by using the composition for liquid crystal alignment layer. In addition, when the liquid crystal alignment layer is used to produce an optical film, adhesive strength between substrate and liquid crystal alignment layer and between liquid crystal alignment layer and liquid crystal film can be improved.

Abstract: This invention relates to: (1) a transparent composite material comprising a cured product of a resin composition having from 60 to 90% by mass of a vinyl ester resin composition which has a vinyl ester resin being synthesized from an aliphatic epoxy compound and from 10 to 40% by mass of synthetic smectite that is organized with a quaternary ammonium salt and/or a quaternary phosphonium salt and has a number average particle diameter of from 10 to 300 nm and an aspect ratio of from 10 to 300, the composition being cured, (2) a method for producing the transparent composite material, wherein the raw material composition for the composite material before curing is cured with an electron beam (EB), an ultraviolet ray (UV) or heat, and (3) a display device and a substrate for a solar cell comprising the transparent composite material as 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: A floor covering includes a wear layer including a resin and a photoinitiator in which the composition of the wear layer is curable by radiation having the strongest wavelength in the UVV range of 400 to 450 nm. The gloss of the wear layer can be controlled by controlling the amount of flatting agent in the composition applied to the surface, the amount of power applied to the surface coated with the composition or the temperature of the surface coated with the composition when the coated surface is subjected to the UVV radiation.

Abstract: The invention concerns the methods for producing polymeric coatings on particle surfaces and can be used in pharmacology, medicine, veterinary and cosmetology to create the systems of vector delivery of drugs and biologically active agents as well as in other fields applying the particles with thin-layer polymer coatings. The method enables to obtain biocompatible, particularly polyamide and polyimide coatings on inorganic particles including magnetic inorganic nanoparticles. The method for producing polymeric coatings on particles surface comprises (a) forming a reaction system containing the particles mixed with monomers, and (b) the subsequent carrying out of polymerization reaction to form the polymeric coating on the particles; wherein the said polymerization reaction is accomplished by irradiating the reaction system with electromagnetic radiation, particularly, with microwaves capable of being absorbed partially or totally by the said particles.

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: A curable sheet composition able to follow up a mold shape under the application of heat and pressure, able to polymerize and cure upon being irradiated with light, permitting an optical element molding pattern to be fixed, and comprising 50% to 94% of a polycarbonate diol-modified urethane acrylate oligomer, 5% to 40% of a (meth)acrylate containing at least one carboxyl group in each molecule thereof, and 0.5% to 5% of a photopolymerization initiator.

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: Radically coupled PTFE polymer compounds useful, for example, as tribo materials, and a method for the production thereof. Radically coupled PTFE polymer compounds are provided which exhibit improved wear resistances with comparable gliding properties, and furthermore there is provided a simple and efficient method for the production of such compounds. Radically coupled PTFE polymer compounds are provided comprising radiation-chemically and/or plasma-chemically modified PTFE powders, on the particle surface of which olefinically unsaturated polymers are chemically radically coupled by a reactive conversion into a melt. There is also provided a method for producing radically coupled PTFE polymer compounds, in which PTFE powders are reactively converted with reactive perfluoroalkyl-(peroxy) radical centers after a radiation-chemical and/or plasma-chemical modification into a melt with the addition of olefinically unsaturated polymers.

Abstract: The present invention is directed to a coating composition that can be cured by radiation, chemical crosslink or both radiation and chemical crosslink. The coating composition comprises one or more radiation curable unsaturated double bonds and one or more crosslinkable functional groups, wherein a layer of said coating composition applied over a substrate cures into a dry coating when exposed to actinic radiation and said dry coating has a glass transition temperature between 15° C. to 120° C. The coating composition can be used in either 1K or 2K coating systems. This invention is also directed to a method of using said coating composition to coat a substrate including a vehicle, a vehicle body or parts thereof.

Abstract: Polycyclic aromatic compounds of formula (I) having at least two conjugated aromatic rings at least one of which has a substituent comprising a cyclic carbonate group can be used as sensitisers for cationic photoinitiators, especially iodonium compounds, and may also function as monomers in cationically initiated radiation curable compositions, especially coating compositions, such as printing inks and varnishes.

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: An object of the present invention is to provide a radiation-curable coating material which forms a cured coating film having high hardness and low curing shrinkage, a radiation-curable resin composition for obtaining the radiation-curable coating material, and a method for forming a protective layer using the radiation-curable coating material.

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: 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: 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 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: The present invention relates to a norbornene monomer, a polynorbornene derivative, a liquid crystal alignment film including the same, and a liquid crystal display device including the same. More particularly, the present invention relates to a norbornene monomer, a polynorbornene derivative, a liquid crystal alignment film including the same, and a liquid crystal display device including the same, which have an alignment property by photoreaction, excellent thermal stability and photoreactivity, the increased photo-reaction rate and reliability of the alignment film, thereby showing high manufacturing process efficiency.

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: Disclosed is a multi-functional monomer including a heat-curable functional group as well as a typical photoreactive group. In the multi-functional monomer, the photoreactive group is not chained to a main chain of a polymer. Thus, since it is possible to perform desirable alignment treatment even though polarized UV is radiated for a short time, the production time and the production cost are reduced and alignment regulating force of liquid crystals is increased, thereby increasing a dichroic ratio.

Abstract: Multilayer radiation curable liquid coating compositions are provided that include one or more UV oligomers including at least one aliphatic urethane acrylic oligomer; at least one acrylate diluent monomer selected from a mono-, bi-, and tri-functional reactive acrylate diluent monomers; at least one photo-initiator; at least one UV absorber; at least one hindered amine light stabilizer; and at least one antioxidant, where the liquid composition does not comprise a solvent and does not comprise an adhesion promoter. The UV oligomer in the base coat composition has elongation higher than 200% and tensile strength lower than 1000 psi. The UV oligomer in the top coat composition has tensile strength higher than 5000 psi. A coating system is provided that includes a liquid primer coat composition, a liquid base coat composition and a liquid top coat composition.

Abstract: The invention relates to a photochemical process for the preparation of an activated polymer surface having an active fluoro group using 1-fluoro-2-nitro-4-azidobenzene to form the activated polymer surface and then immobilizing a biomolecule thereon by forming a covalent bond between the activated polymer surface and the biomolecule.

Abstract: Described in preferred embodiments are UV curable coating compositions including a unique blend of aliphatic urethane acrylate resins. Also described are coated articles and methods for their production involving the use of the coating compositions.