Abstract: A set including a plug connectable LED and a packaged photocurable composition. It relates also to methods for applying that article. The photocurable composition includes cyanoacrylate monomers and/or acrylate monomers, and a visible light photoinitiator system. The plug connectable LED, when connected to a host mobile device including a rechargeable battery, allows energisation of the LED so that it can be used as a convenient light source to cure the photocurable composition. The set itself does not comprise a battery or, batteries. The set is a versatile consumer product in the field of adhesives, fillers, sealants and coatings.

Abstract: The present invention provides a bio-electrode composition including a silsesquioxane bonded to an N-carbonyl sulfonamide salt, wherein the N-carbonyl sulfonamide salt is shown by the following general formula (1): wherein R1 represents a linear, branched, or cyclic alkylene group having 1 to 20 carbon atoms that may have an aromatic group, an ether group, or an ester group, or an arylene group having 6 to 10 carbon atoms; Rf represents a linear, branched, or cyclic alkyl group having 1 to 4 carbon atoms containing at least one fluorine atom; M+ is an ion selected from a lithium ion, a sodium ion, a potassium ion, and a silver ion. This can form a living body contact layer for a bio-electrode that is excellent in electric conductivity and biocompatibility, light-weight, manufacturable at low cost, and free from large lowering of the electric conductivity even though it is wetted with water or dried.

Abstract: Compounds of formula (I) are photoinitiators or photosensitizers in a photopolymerizable composition: R1 represents a monovalent, linear, branched or cyclic, aliphatic hydrocarbon group having 1 to 20 carbon atoms, optionally substituted with substituent(s) selected from —Cl, —Br, —OH, ?O, —NH—CO— OR2, —NH—CO—R2 or free-radically or ionically polymerizable groups. Each R2 is independently —H or C1-6 alkyl; n is ?1. If n=1, Z and Y are absent and X represents —OR3; if n is >1, Z represents —OR4—, Y represents —ORs— and X represents —H or —OH. R3 represents —H or R1; and R4 and R5 each independently represent a bivalent hydrocarbon group. The polymerizable moieties as optional substituents of R1 are polymerizable double or triple bonds, lactam, lactone and epoxide moieties, which are subjectable to ring-opening polymerization; and two of R1 to R5 may be linked to one another to form a ring or a dimer.

Abstract: Useful articles, such as coatings, adhesives, printed graphics, 3D printed articles and molded articles are prepared by curing compositions containing one or more salts of ethylenically unsaturated carboxylic acids comprising six or more carbon atoms, one or more multifunctional (meth)acrylate oligomers and one or more mono(meth)acrylate esters of alcohols which, when polymerized as homopolymers, have glass transition temperatures of at least 50° C.

Abstract: A solvent-less hybrid curable composition is prepared from grafting polyesters or polyamides onto a (meth)acrylic copolymer backbone. Besides the many benefits of a solvent-less system, the hybrid curable composition forms strong adhesion to polar substrates, widens the use temperatures, and enables faster processing speeds than conventional hybrid curable compositions. The solvent-less hybrid curable composition forms an optically clear single phase that is suitable as tapes and labels, or in electronic, optoelectronic, OLED and photovoltaic devices, and the like.

Abstract: The present invention relates to a super absorbent polymer and a manufacturing method thereof. More particularly, the present invention relates to a manufacturing a fine powder reassembly in which excellent physical properties are maintained.

Abstract: A reinforcing film comprises a pressure sensitive adhesive layer laminated and fixed on a principal surface of a film substrate. The pressure sensitive adhesive layer is formed of a photocurable composition containing a photocurable agent and a base polymer having a crosslinked structure. A frictional force of the pressure sensitive adhesive layer measured with a frictional force microscope at a frequency of 5 Hz is preferably 2 to 5 times a frictional force at a frequency of 0.1 Hz. After photocuring of the pressure sensitive adhesive layer, a frictional force of a photocured pressure sensitive adhesive layer measured with the frictional force microscope at a frequency of 5 Hz is preferably not less than 5 times a frictional force measured at a frequency of 0.1 Hz.

Abstract: A hydrogel precursor composition includes 10 wt % to 40 wt % N-isopropylacrylamide, 0.5 wt % to 2 wt % N,N?-methylenebisacrylamide, a solvent, and a photoinitiator. The hydrogel precursor composition is photocurable and thermally responsive. A thermally responsive hydrogel is formed by photopolymerizing the hydrogel precursor composition. The thermally responsive hydrogel may be used to mimic the activity of muscle fibers.

Abstract: Thermoset compositions and methods for forming three-dimensional articles via an additive fabrication process, and articles made therefrom are disclosed herein. In an embodiment, a composition comprises a first network-forming component comprising a TPA-based polyester comprising a backbone and having at least 2 polymerizable groups, one or more first network monomers, and a first network initiator. The backbone of the TPA-based polyester comprises the reaction product of a terephthalic acid and a polyol. The composition may further comprise a second network-forming component.

Abstract: A curable resin or adhesive composition includes at least one monomer, a photoinitiator capable of initiating polymerization of the monomer when exposed to light, and at least one energy converting material, preferably 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.

Abstract: The present invention relates to a photocurable acrylic resin which is a polymer of a monomer mixture including a crosslinkable monomer represented by [Formula 1]; a (meth)acrylic monomer including a photoinitiating functional group; and an alkyl (meth)acrylate-based monomer, and has a weight average molecular weight of 100,000 to 500,000, and a branch-type polymer structure, and an adhesive composition and an adhesive film including the same.

Abstract: A UV-curable composition for coating or printing on a substrate and/or a substrate surface includes at least one monofunctional acrylate monomer/methacrylate monomer having a substituted or unsubstituted monocycloaliphatic hydrocarbon radical, at least one vinyl monomer having a substituted or unsubstituted heterocyclic radical, where the heterocyclic radical has at least one ring-forming nitrogen atom, at least one monofunctional acrylate monomer/methacrylate monomer having a substituted or unsubstituted bicyclic, nonaromatic hydrocarbon radical and at least one photoinitiator, wherein the UV-curable composition is free of at least one monofunctional acrylate monomer/methacrylate monomer having a substituted or unsubstituted heterocyclic, nonaromatic radical.

Abstract: A light-curable dental impression material comprising (a) a polymerizable polysiloxane resin composition comprising compounds of formula (I) E?(L1?Z)n?L2?E ??(I) (b) a particulate filler; and (c) a photoinitiator.

Abstract: Embodiments of the present disclosure relate to advanced polishing pads with tunable chemical, material and structural properties, and new methods of manufacturing the same. According to one or more embodiments of the disclosure, it has been discovered that a polishing pad with improved properties may be produced by an additive manufacturing process, such as a three-dimensional (3D) printing process. Embodiments of the present disclosure thus may provide an advanced polishing pad that has discrete features and geometries, formed from at least two different materials that include functional polymers, functional oligomers, reactive diluents, and curing agents. For example, the advanced polishing pad may be formed from a plurality of polymeric layers, by the automated sequential deposition of at least one resin precursor composition followed by at least one curing step, wherein each layer may represent at least one polymer composition, and/or regions of different compositions.

Abstract: A method of manufacturing an electronic device includes preparing a solder mask with a radiation curable solder mask inkjet ink containing at least one cationic polymerizable compound and a photoinitiating system, wherein the photoinitiating system includes a specified sulphonium compound and a thioxanthone.

Abstract: A composition is provided and includes an unsaturated (meth)acrylate polymer or oligomer, an allophanate unsaturated urethane (meth)acrylate, a lactone-containing (meth)acrylate, a first reactive diluent, an adhesion promoter, a second reactive diluent, a light stabilizer, and a photoinitiator.

Abstract: A composition containing the following components: (a) a polysiloxane having at least one alkenyl functional group and at least one alkoxy functional group; (b) a mercapto-functional polysiloxane with at least one mercapto functionality; (c) a silane crosslinker with at least two alkoxy groups per molecule; (d) a photoinitiator; (e) a combination of zirconium tetraalkoxylate and alkylacetoacetate at a mole ratio in a range of 1:1 to 1:4.

Abstract: Optically clear adhesives (OCA) with UV blocking below 380 nm are described. The OCA comprise a UV blocking package of UV absorbers and hindered amine light stabilizers. The UV blocking package is suitable for a variety of OCA, including PIB-based OCA, styrenic block copolymer-based OCA, silicone-based OCA, or acrylic-based OCA. The OCA with UV blocking in the invention are particularly suitable as laminating films, tapes or encapsulants for adhering display electronic devices, e.g., LCD displays, LED displays, flexible and foldable displays, and touch screens.

Abstract: The present invention pertains to a photocurable composition for a 3D printer for producing a transparent orthodontic device. A photocurable composition for a 3D printer can be provided, which has excellent physical properties such as thermal properties, strength, elastic modulus, and tensile elongation, and when used in a patient-customized transparent orthodontic device, the orthodontic device can reduce the pain felt by patients and can enhance orthodontic correction effectiveness due to being closely fitted to the dental structure. Moreover, a 3D-printed transparent orthodontic device can be produced which can be restored to the original shape thereof even when deformed from use.

Abstract: An a photopolymerization formulation is provided as is an improved method for forming an object using the formulation.