Abstract: A curable resin composition containing a compound of formula (1), a compound of formula (2) and a thermal- or photo-radical polymerization initiator is capable of producing a cured product having a low Abbe's number and capable of realizing burr reduction in molding the composition.

Abstract: UV-curable coating compositions are provided including (in weight %) 5-50% cycloaliphatic crosslinker of the formula wherein R is wherein X is a C1-4 straight chain, 20-55% of a summed amount of an oxetane crosslinker and an epoxy diluent, 35-45% epoxy functionalized silicon nanoparticles, 1-5% epoxy silane adhesion promoter and 0.5-2% photoinitiator.

Abstract: Disclosed herein are compositions comprising an acrylic block copolymer and a UV-curable copolymer, wherein the composition is capable of being crosslinked by means of ultraviolet radiation. Also disclosed herein are methods of making the compositions disclosed herein, comprising providing an acrylic block copolymer, providing a UV-curable copolymer, heating the acrylic block copolymer, heating the UV-curable copolymer, and mixing them together to form a copolymer blend. The compositions and methods disclosed can be used, for instance, in pressure-sensitive adhesive applications including, but not limited to, labels, films, or tapes.

Abstract: A powder-based adsorbent and a related method of manufacture are provided. The powder-based adsorbent includes polymer powder with grafted side chains and an increased surface area per unit weight to increase the adsorption of dissolved metals, for example uranium, from aqueous solutions. A method for forming the powder-based adsorbent includes irradiating polymer powder, grafting with polymerizable reactive monomers, reacting with hydroxylamine, and conditioning with an alkaline solution. Powder-based adsorbents formed according to the present method demonstrated a significantly improved uranium adsorption capacity per unit weight over existing adsorbents.

Abstract: There is provided provide a photosensitive resin composition which can markedly improve transparency, heat resistance, heat discoloration resistance, solvent resistance, and patterning properties. A photosensitive resin composition including: a polymer (A) in which a content of a unit structure containing a boronic acid group, a unit structure containing a boronic acid ester group, or a combination of these unit structures is 20 mol % to 100 mol % of a total molar number of unit structures constituting the polymer; and a photosensitizer (B). The polymer (A) preferably has a weight average molecular weight of 1,000 to 50,000. A cured film obtained from the photosensitive resin composition. A microlens prepared from the photosensitive resin composition.

Abstract: The present disclosure relates to the novel multistep procedure for preparation of polymer monoliths for use in solvent exchange, such as methods to exchange and activate fluoride ions on a flow through microfluidic chip for subsequent chemical synthesis. Methods according to the present disclosure include the application of such microfluidic platforms for rapid F18 radiosynthesis on a flow through microfluidic chip with high efficiency, followed by a subsequent nucleophilic fluorination reaction. Various other methods of exchanging and activating fluoride ions on a flow through microfluidic chip are also disclosed. Methods incorporating features of the present invention can be applicable to any flow through microfluidic device in any field, such as radiosyntheses, chemical syntheses, concentration of ions for environmental analyzes and sample preparation such as concentrating minute amounts of analyte to improve the downstream detection.

Abstract: New water soluble cationic copolymers derived from N-vinyl amide monomers and ethylenically unsaturated compounds bearing cationic groups.

Abstract: Provided is an adhesive composition comprising: a thermosetting epoxy resin formed with an epoxy copolymer containing a hydroxyl group; and a UV curable epoxy resin having an epoxy equivalence of 100 g/eq to 500 g/eq.

Abstract: A dual curable, liquid adhesive composition capable of polymerization by exposure to actinic radiation and moisture. The composition is particularly useful for liquid adhesives for electronic applications. The composition comprises an alkoxysilane functional polyurethane acrylate oligomer; a free radical polymerizable reactive diluent; a free radical photoinitiator; a catalyst for moisture curing of silane groups; and an optional alkoxysilane functional oligomer having a polyolefin group; an optional acrylate or methacrylate functional polyurethane acrylate oligomer; an optional hydroxyl terminated monoacrylate or monomethacrylate functional reactive diluent; an optional UV-absorber and hindered amine light stabilizer antioxidant; an optional wax capable of reducing oxygen inhibition; an optional 1,3 dicarbonyl compound chelating agent; an optional thixotropic agent; and an optional adhesion promoter. optional adhesion promoter.

Abstract: Described herein is a method for producing UV-absorbing silicone hydrogel contact lenses, which is free or substantially free of internal stress and also is capable of blocking ultra-violet (“UV”) radiation and optionally (but preferably) violet radiation with wavelengths from 381 nm to 440 nm, according to a photocuring technology, preferably according to the Lightstream Technology™. This invention also provides UV-absorbing contact lenses made according to a method of the invention.

Abstract: A process for photopolymerizing a photopolymerizable compound having at least one ethylenically unsaturated double bond, comprises contacting said photopolymerizable compound with a photoactive oxide and irradiating it, wherein the photoactive oxide includes one or more moieties together with a moiety wherein there are at least 2 atoms between moiety I and moiety II in the additive and where X represents an oxygen or sulphur atom. Novel compounds which exhibit beneficial effects on cure in the presence of oxygen, which may be especially advantageous when LEDs are used, are also described.

Abstract: Chemoselective isolation of aliphatic hydroxyl group-containing and aromatic hydroxyl group-containing compounds is accomplished via formation of polymeric siloxyl ethers. Chemoselective release of aliphatic hydroxyl group-containing and aromatic hydroxyl group-containing compounds from polymeric siloxyl reagents is described.

Abstract: The invention relates to a process for the preparation of polymers and to an apparatus for performing this process. The apparatus comprises devices and reactors that are combined in the sequence of first a mixing device, second a flow microwave and optionally third one or more additional reactors.

Abstract: The present invention provides polymeric photoinitiators being co-polymers of photoinitiator monomers and at least one further monomer, as well as photoinitiator monomers being intermediates in the preparation of such polymeric photoinitiators. Additionally, there is provided polyacrylate obtained by radical polymerization of at least one acrylate monomer (Ac) in the presence of such polymeric photoinitiators. In the photoinitiator monomers and polymeric photoinitiators, a photoinitiator moiety, a hydrolytic stable linker and two polymerizable functional groups are incorporated into the photoinitiator structure.

Abstract: The invention relates to low-viscosity formulations of radiation-curable compounds, to processes for preparing them, to their use, and to inks, printing-inks, and print varnishes that comprise them.

Abstract: A surface protective film includes a structure in which a fluorine resin having a perfluoroalkylene ether structure in a main chain is crosslinking polymerized, wherein a storage elastic modulus E? is in the range of 10 MPa to 1000 MPa at a temperature which is 40 K higher than a dynamic glass transition temperature Tg in dynamic viscoelasticity measurement at a measurement frequency of 10 Hz.

Abstract: Fibers can be formed from monomers derived from a biorenewable source. In an embodiment, a fiber forming composition that includes a monomer or mixture of monomers with at least one monomer being derived from a biorenewable source in placed in a fiber producing device. At least a portion of the fiber forming composition is ejected through an opening of the fiber forming device. The ejected fiber forming composition is subjected to light at wavelengths sufficient to activate a reaction which causes solidification of the fiber as the fibers are ejected from the fiber producing device.

Abstract: A telechelic macromer is disclosed having (meth)acrylic end-groups and a core. The macromer defined by Formula 1 comprises a core Y (Formulas 2 to 9) that is linked to (meth)acrylic groups by urethane, ester or anhydride bonds and has iodine value ranging from 5 to 75. The method involves a chemical reaction carried out in solvent, ranging 6-24 hours, wherein the precursor of a core (Formulas 2 and 3) reacts in two stages with compounds forming urethane bonds, or wherein the precursor of a core (Formulas 4 to 8) reacts in one stage with compounds forming ester bonds, or wherein the precursor of a core defined by Formula 9 reacts in one stage with compounds forming anhydride bonds. The urethane, ester and anhydride moieties comprise groups capable of free radical polymerization isolating the final product by evaporation. The composition disclosed provides the macromer, a photoinitiator and possibly a reactive diluent.

Abstract: Disclosed is an ink composition for clear layer formation having excellent adhesion properties on substrates, recording layers, and clear layers, as well as excellent overcoat characteristics and refinishing properties. Further disclosed are a coating method for the ink composition, and a printed article formed using the ink composition. The ink composition for clear layer formation is used for forming at least one clear layer on a substrate, or on a printed article on which a printed coating film is formed on a substrate as a recording layer. The ink composition for clear layer formation is characterised in that: the surface free energy of the substrate is 30-45 (mJ/m2); the surface free energy of the recording layer is 40-50 (mJ/m2); the contact angle of the ink composition to the substrate is 30-65 degrees, the contact angle of the ink composition to the recording layer is 40-55 degrees, and the contact angle of the ink composition to the clear layer is 45-60 degrees.

Abstract: A curable composition to be used for a printed wiring board is disclosed, which has an excellent flexibility and an excellent adhesive property with respect to both a plastic substrate and a conductive layer in the printed wiring board. The curable composition includes (A) a (meth)acrylate compound having a polyene structure, (B) a (meth)acrylate compound having a hydroxyl group; and (C) a photopolymerization initiator. From the curable composition, a cured coating film, and a printed wiring board including the cured coating film in the form of a predetermined pattern are obtained.