Abstract: A polymerizable composition includes at least one monomer, a photoinitiator capable of initiating polymerization of the monomer when exposed to light, and a phosphor capable of producing light when exposed to radiation (typically X-rays). The material is particularly suitable for bonding components at ambient temperature in situations where the bond joint is not accessible to an external light source. An associated method includes: placing a polymerizable adhesive composition, including a photoinitiator and energy converting material, such as a down-converting phosphor, in contact with at least two components to be bonded to form an assembly; and, irradiating the assembly with radiation at a first wavelength, capable of conversion (down-conversion by the phosphor) to a second wavelength capable of activating the photoinitiator, to prepare items such as inkjet cartridges, wafer-to-wafer assemblies, semiconductors, integrated circuits, and the like.

Abstract: One of the purposes of the present invention is to provide an silicone adhesive composition which comprises no antioxidant, has sufficient adhesive, tack properties and excellent heat resistance, and provides a silicone adhesive composition which has no adhesive residue in a test described below. The other purpose of the present invention is to provide an adhesive film and an adhesive tape having a cured layer obtained from the composition. The present invention provides an addition curable or peroxide curable silicone adhesive composition, wherein the addition curable silicone adhesive composition comprises (A1) a diorganopolysiloxane having an alkenyl group and a viscosity at 25 degrees C. of 100,000 mPa·s or more, (B) an organopolysiloxane having R13SiO0.

Abstract: Provided is a photocurable resin composition that has a low viscosity and is capable of yielding a high refractive index. Specifically, a urethane (meth)acrylate resin (A) obtained by a reaction of an aromatic diisocyanate compound (a), a polyol compound (b), and a hydroxyl-group-containing (meth)acrylate compound (c) as essential raw material components is used. The urethane (meth)acrylate resin (A) contains a structural moiety (a-1) represented by structural formula (1) below: (where R1 represents a hydrogen atom or a methyl group) and a structural moiety (a-2) represented by structural formula (2) below: (where R1, R2, R3, X1, and X2 each independently represent a hydrogen atom or a methyl group) at a (a-1)/(a-2) molar ratio of 45/55 to 60/40. The polyol compound (b) has an aromatic hydrocarbon skeleton.

Abstract: Provided is a highly versatile polymerizable composition that allows the fabrication equipment to be washed easily with water, allows the fabricated object to be removed easily from the support, and allows easy curing by application of light rays of 400 nm or higher, in optical 3D fabrication by lamination fabrication. A photopolymerizable composition for stereolithography containing a water-soluble radical polymerizable compound (A) represented by formula (1), a photopolymerization initiator (B) that generates radicals upon application of light rays of a wavelength of 400 nm or higher, and an ionic surfactant (C). In formula (1), R1 is an organic group of valence a, a is an integer of 2 or higher, and R2 is hydrogen or an alkyl having 1-6 carbon atoms.

Abstract: Polymers, co-polymers, and monomers using CO2 as a reagent and methods of production thereof are described. Polymerization methods include converting CO2 into a polymerizable monomer by exciting the CO2 with a light source.

Abstract: Disclosed herein is a composition comprising 65 to 95 weight percent of a fluorinated monofunctional monomer; 5 to 35 weight percent of a fluorinated multifunctional monomer; and 0.5 to 3 weight percent of a silane coupling agent; where all weight percents are based on the total weight of the composition; where the fluorinated monofunctional monomer and the fluorinated multifunctional monomer are devoid of any trifunctional fluorocarbon moieties when they have 6 or more fluorocarbon repeat units; where the fluorocarbon repeat units are CF2 or CF moieties; and where a crosslinked composition has a shore D hardness of 56 to 85 and has a refractive index (RI) that meets the limitation of the equation RI?1.368+10.8/X, where X denotes wavelength in nanometers.

Abstract: A method and a system for producing a change in a medium. The method places in a vicinity of the medium at least one energy modulation agent. The method applies an initiation energy to the medium. The initiation energy interacts with the energy modulation agent to directly or indirectly produce the change in the medium. The system includes an initiation energy source configured to apply an initiation energy to the medium to activate the energy modulation agent.

Abstract: A polymerizable composition includes at least one monomer, a photoinitiator capable of initiating polymerization of the monomer when exposed to light, and a phosphor capable of producing light when exposed to radiation (typically X-rays). The material is particularly suitable for bonding components at ambient temperature in situations where the bond joint is not accessible to an external light source. An associated method includes: placing a polymerizable adhesive composition, including a photoinitiator and energy converting material, such as a down-converting phosphor, in contact with at least two components to be bonded to form an assembly; and, irradiating the assembly with radiation at a first wavelength, capable of conversion (down-conversion by the phosphor) to a second wavelength capable of activating the photoinitiator, to prepare items such as inkjet cartridges, wafer-to-wafer assemblies, semiconductors, integrated circuits, and the like.

Abstract: The invention provides a method for the manufacture of a gel, said method comprising the steps of: providing a matrix composition comprising a polymeric photoinitiator of the general formula (I): Polymer-[CR2—CHR-Spacer(PI)n]m (I) curing the matrix composition by exposing it to UV radiation and exposing the matrix composition to a swelling medium. The invention also relates to gels obtainable via the above method. The invention provides a hydrophilic gel precursor manufactured from the polymeric photoinitiator of Formula (I). Medical devices comprising the gels and hydrophilic gel precursors of the invention are provided. The invention also provides the use of a polymeric photoinitiator in the manufacture of a gel.

Abstract: Methods of making a wear and oxidation resistant medical implant are disclosed.

Abstract: A photo-curable ink composition including an acrylic polymer or copolymer, a vinyl ester component, a multifunctional monomer, a photoinitiator and a pigment. Also disclosed herein is a method for forming a printed article and an ink-jet ink printing system using said photo-curable ink composition.

Abstract: A curing material, having a solubility parameter of 9.4 or more, contains at least a chain transfer agent that contains a compound containing a polyether structure and two or more urethane bonds or two or more urea bonds in a molecule, and a metal-containing compound. A wire harness is manufactured by supplying the curing material to a conductor exposed portion of a wire bundle including a plurality of bundled insulated wires each having a conductor covered with a covering material made of an insulating body, the conductor exposed portion being formed by removing a part of the covering material of the wire bundle to expose the conductor inside; and curing the curing material by irradiating light in a state in which a surface of the curing material is covered with a protective member formed from a resin containing a plasticizer and having light transmissivity, thereby forming a waterproof portion.

Abstract: The invention provides a glycoluril represented by the general formula (Z): wherein the group Z represents a carboxyalkyl, a glycidyl or an allyl group; R1 and R2 each independently represents a hydrogen atom, a lower alkyl or a phenyl group; R3, R4 and R5 each independently represents a hydrogen atom or the group identical with the group Z; however, when the group Z is a carboxyalkyl group, R3, R4 and R5 are the same carboxyalkyl groups as the group Z; and when the group Z is an allyl group, R5 represents a hydrogen atom. The invention further provides various resin compositions, for example, polyester resin compositions, epoxy resin compositions, and silicone resin compositions each comprising the glycoluril.

Abstract: A photosensitive resin composition includes (A) a colorant including a copolymer represented by Chemical Formula 1 and a green pigment; (B) a binder resin; (C) a photopolymerizable monomer; (D) a photopolymerization initiator; and (E) a solvent, wherein the copolymer represented by Chemical Formula 1 is included in an amount of about 100 parts by weight to about 300 parts by weight based on about 100 parts by weight of the green pigment: wherein a is an integer ranging from 1 to 100, b is an integer ranging from 1 to 100, and c is an integer ranging from 1 to 50. A color filter manufactured using the same is also provided.

Abstract: A system and method for light stimulation within a medium. Products, compositions, systems, and methods for modifying a target structure which mediates or is associated with a biological activity, including treatment of conditions, disorders, or diseases mediated by or associated with a target structure, such as a virus, cell, subcellular structure or extracellular structure. The methods may be performed in situ in a non-invasive manner by application of an initiation energy to a subject thus producing an effect on or change to the target structure directly or via a modulation agent. The methods may further be performed by application of an initiation energy to a subject in situ to activate a pharmaceutical agent directly or via an energy modulation agent, thus producing an effect on or change to the target structure. Kits containing products or compositions formulated or configured and systems for use in practicing these methods.

Abstract: Provided is a dental restorative composition that has good handling properties when in the form of a paste having yet to be cured and that has light diffusion ability and transparency when in the form of a cured product. The dental restorative composition includes a polymerizable monomer, a polymerization initiator, an inorganic filler (C) having an average particle diameter of 0.1 to 1 ?m, an organic-inorganic composite filler (D) having an average particle diameter of 1 ?m or more and less than 10 ?m, and an organic-inorganic composite filler (E) having an average particle diameter of 10 to 50 ?m. An absolute value of a difference between a refractive index (Cd) of the inorganic filler (C) and a refractive index (Ad) of a polymer of the polymerizable monomer is 0.01 or less, an absolute value of a difference between the refractive index (Ad) and one of a refractive index (Dd) of the organic-inorganic composite filler (D) and a refractive index (Ed) of the organic-inorganic composite filler (E) is 0.

Abstract: A cured composition prepared from a photopolymerizable composition that includes diethyleneglycoldimethacrylate and alkoxy-modified (meth)acrylic acid ester having an n not less than 9. The n is an average polymerization degree of an alkoxy part of the (meth)acrylic acid ester.

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.

Abstract: Disclosed is a photocurable elastomer composition that exhibits, when cured, excellent flexibility and barrier properties and has low compression set. The photocurable elastomer composition may comprise components (A) to (D) such that the mass ratio of the component (A) to the component (B) ((A):(B)) is from 25:75 to 75:25, and that the content of the component (C) is 50 mass % or less based on the total content of the components (A), (B), and (C).

Abstract: A process for the preparation of optionally asymmetric acetal compounds includes reacting a compound containing a hydroxyl group with a vinylether compound in the presence of a zwitterionic catalyst including at least one basic nitrogen containing structural fragment and at least one sulfonic acid group in its structure, with the proviso that a molar ratio of the basic nitrogen to sulfonic acid is 1:1.