Abstract: A dual curable organopolysiloxane composition is disclosed. The composition comprises: (A) a first organopolysiloxane having at least two mercapto (—SH) functional groups per molecule and free of an alkenyl group; (B) a second organopolysiloxane having at least one alkenyl group and at least one silicon atom-bonded alkoxy group per molecule; (C) optionally an organopolysiloxane having at least two alkenyl groups per molecule and free of silicon atom-bonded alkoxy group; (D) a photo-initiator; (E) a condensation catalyst; and (F) an epoxy functional compound. The composition has the ability to both photo-cure and cure through exposure to moisture, and exhibits good to excellent curability and long-term storage stability.

Abstract: A method of forming a three-dimensional object comprised of a silicone polymer is carried out by: (a) providing a silicone dual cure resin; (b) forming a three-dimensional intermediate from that resin, where the intermediate has the shape of, or a shape to be imparted to, the three-dimensional object, and where the resin is solidified in that intermediate object by irradiating with light; and then (c) further reacting the three-dimensional intermediate to form the three-dimensional object. The silicone dual cure resin includes: (i) a light polymerizable first reactant; (ii) a photoinitiator; (iii) at least one additional reactant(s), and (iv) optionally a catalyst. At least one of the first reactant and the additional reactant(s) contains a siloxane linkage.

Abstract: Provided is an active energy ray-curable ink composition for offset printing capable of achieving superior gloss of printed matter. The ink composition comprises a compound having at least one ethylenically unsaturated bond and a photopolymerization initiator, wherein a group of materials having no ethylenically unsaturated bonds, having a specified SP value, and exhibiting a liquid state at room temperature is added to the ink composition up to the upper limit depending on the SP value. Examples of such a group of materials include castor oil, hardened castor oil, polymerized castor oil, coconut oil, palm kernel oil, epoxidized fats and oils, alkylphenols having C15-C18 alkyl groups, cashew nut shell liquid, polymers of cashew nut shell, and modified derivatives of cashew nut shell liquid.

Abstract: This invention provides preparations, compositions, products, and applications of photo-crosslinked hydrogels. Component A—a photosensitive polymer derivative, component B—the photoinitiator, and auxiliary component C—other biocompatible polymer derivative each are respectively dissolved in a biocompatible medium to obtain solution A, solution B, and solution C. The solution A, the solution B, and the optional solution C are mixed homogenously to obtain a hydrogel precursor solution. The hydrogel precursor solution is subject to irradiation of the UV light for photocoupled crosslinking to form a photo-crosslinked hydrogel. The photo-crosslinked hydrogel exhibit rapid speed of photo-curing, strong tissue adhesion, excellent mechanical properties, good biocompatibility, and excellent clinical operability.

Abstract: Provided are acetylide-based compounds and methods of making the same. Also provided are methods of using said compounds in film deposition processes to deposit films comprising silicon. Certain methods comprise exposing a substrate surface to a acetylide-based precursor and a reactant in various combinations.

Abstract: The present invention provides a surface-active two-tailed hydrophobic associated polymer and a preparation method thereof. The surface-active two-tailed hydrophobic associated polymer is prepared using a micellar free radical copolymerization method including: adding a surfactant sodium lauryl sulfate and a hydrophobic monomer N-phenethyl-N-alkyl (methyl) acrylamide or N-benzyl-N-alkyl (methyl) acrylamide into an aqueous solution containing acrylamide, acrylic acid, 2-acrylamide-2-methylpropanesulfonic acid, and surface-active macromonomer polyoxyethylene lauryl ether (methyl) acrylate, wherein the surfactant is used to solubilize the hydrophobic monomer in the formed micelle; adjusting pH to 6-8 with sodium hydroxide, and copolymerizing the hydrophobic monomer and a water-soluble monomer by means of photoinitiation. The properties, such as viscosifying property, temperature resistance, salt resistance and hydrolysis resistance, of the hydrophobic associated polymer can be effectively improved.

Abstract: A coating composition is described comprising a polymerizable resin composition, a non-ionic unpolymerizable surfactant having an hydrophilic lipophilic balance ranging from 2 to 6, and a polymerizable surfactant. The surfactants are present at a concentration of greater than 10 wt-% solids. The non-ionic unpolymerizable surfactant and polymerizable surfactant are present at a weight ratio of less than 1.5:1. Also described are articles comprising the cured coating composition. The cured coating exhibits a property of an initially visible simulated fingerprint reducing in visibility within 60 minutes.

Abstract: A coating composition, a method for coating a surface of a material using the same, and surface treated materials having the same are provided. The coating composition comprises a nitrogen atom-containing organopolysiloxane represented by the average siloxane unit formula (1): (R1R2R3SiO1/2)a(SiR12O2/2)b(R2R3SiO2/2)c(R2R32SiO1/2)d (1) wherein R1 is a nitrogen-free, substituted or unsubstituted, monovalent organic group of 1 to 20 carbon atoms, R2 is a monovalent organic group containing at least one nitrogen atom, R3 is an organoxy group represented by —OR1, “a” is a positive number of 0.7 to 1.3; “b” is a positive number of 2 to 500; “c” is a positive number of 0 to 10; “d” is a positive number 0.7 to 1.3: and a+d is at least 2.

Abstract: A non-aqueous photopolymerizable inkjet ink, including as a photopolymerizable monomer: (a) ethylene glycol dimethacrylate; and (b) caprolactone-modified dipentaerythritol hexaacrylate or ethylene oxide-modified trimethylolpropane tri-methacrylate, or both thereof, wherein the ink includes the (a) component by 10% by mass to 95% by mass with respect to the entire photopolymerizable monomer, and the ink includes the (b) component by 5% by mass to 90% by mass with respect to the entire photopolymerizable monomer, and wherein the ink does not include a diluting solvent.

Abstract: Methods for adhering a hydrogel matrix to a molded polymer substrate and its use as a biosensor, e.g., a continuous or episodic glucose monitor, are disclosed. The presently disclosed subject matter provides a method for adhering a hydrogel matrix to a molded polymer substrate, the method comprising: (a) molding a polymer comprising one or more polymer chains with an oxidizer to form a molded polymer substrate; (b) providing a hydrogel matrix comprising a hydrogel, a component comprising one or more acrylate groups or another functional group that can form one or more radicals upon polymerization in the molded polymer substrate, and a photo initiator; (c) combining the molded polymer substrate and the hydrogel matrix; and (d) curing the combined molded polymer substrate and hydrogel matrix for a period of time.

Abstract: The invention provides a process for manufacturing a polymeric material having a compositional gradient, comprising: forming a mixture comprising a first photopolymerizable polymer precursor and a second photopolymerizable precursor, and subjecting said mixture to an intensity gradient of electromagnetic radiation, wherein said first precursor has a greater reactivity ratio than said second precursor, and/or said first precursor is mono-functional and said second precursor is di-functional, and/or said first precursor is less inhibited by oxygen than said second precursor.

Abstract: This invention includes a wettable biomedical device containing a high molecular weight hydrophilic polymer and a hydroxyl-functionalized silicone-containing monomer.

Abstract: A liquid sealant composition that can be cured by photoinitiation, heat-activated free radical initiation or both that includes an effective amount of an elastomeric acrylic polyolefin; an effective amount of a low molecular weight acrylic functional monomer component, the acrylic functional monomer component containing one or more unreacted acrylic or methacrylic double bonds, the low molecular weight acrylic functional monomer component having greater than 75% monofunctional monomers, wherein the elastomeric acrylic polyolefin is soluble in the low molecular weight acrylic functional monomer; at least one plasticizer; and at least one curing agent, the curing agent including at least one photoinitiator, at least one heat-activated free radical initiator, or a combination of at least one photoinitiator and at least one heat-activated free radical initiator.

Abstract: An energy curable bonding resin composition that prevents corrosion in metallic optical structures including DVDs includes at least one monomer, acrylated epoxidized soya bean oil, and a photoinitiator of among 2,4,6-trimethylbenzoyl-diphenylphosphine oxide (TPO); Phosphine oxide, phenylbis 2,4,6-trimethyl benzoyl; oligo[2-hydroxy-2-methyl-1-[4-(1-methylvinyl)phenyl]propanone]; alpha-hydroxy ketone, difunctional; or combinations thereof.

Abstract: The present invention relates to thiol-ene curing compositions, which cure upon exposure to ultraviolet (UV) light and/or heat. The compositions include components having alkenyl (or “ene”) functionality and components having thiol functionality, which undergo thiol-ene curing. The compositions also include a cure system. More specifically, in some embodiments, the curable compositions include a vinyl polymer bearing alkenyl or thiol terminal functional group(s) and a cross-linking agent having the opposing functionality, i.e., thiol cross-linking agents with alkenyl-terminated vinyl polymers and vinyl cross-linking agents with thiol-terminated vinyl polymers. Also provided are methods of making and using the compositions, such as for sealants for in-place gasketing applications.

Abstract: This invention includes a wettable biomedical device containing a high molecular weight hydrophilic polymer and a hydroxyl-functionalized silicone-containing monomer.

Abstract: The invention provides meltable and UV-crosslinkable pressure-sensitive adhesives, such as acrylate hotmelts or hotmelt formulations, which can be processed by commonplace hotmelt processes and also on customary hotmelt coating lines, without any immediate alteration in the product properties in the event of (unwanted) deviation in the operational parameters. The compositions of the invention are UV-crosslinkable and meltable pressure-sensitive adhesives comprising (i) mixtures of UV-crosslinkable polyacrylate polymers selected from a) mixtures of UV-crosslinkable polymers with at least one photoinitiator bonded covalently to the backbone of the polymers, and b) mixtures of UV-crosslinkable polyacrylate polymers, monomers and at least one photoinitiator, and also (ii) at least one UV stabilizer, and also methods for producing them and the use thereof as bonding agents.

Abstract: The present invention describes a method for repairing defects on a surface of an optical substrate. The method includes a step of providing a radiation curable coating and then applying the coating onto a surface of the optical substrate. The coating is then cured with a UV light source causing the refractive index of the coating to be less than ±10% of the refractive index of the substrate. The cured coating exhibits a viscosity less than about 315 CP at 25° C. The present invention also describes a novel coating composition for repairing optical substrates.

Abstract: To provide a method for producing a coating film, containing: coating a base with a coating material containing a photocurable resin, a photopolymerization initiator, and a solvent; leaving the coated base to stand for longer than 0 minutes but 20 minutes or shorter at 50° C. or lower; and then applying ultraviolet rays to the coated base to thereby produce a coating film on the base.

Abstract: The present invention relates to compositions comprising poly-oxycarbosilane and methods for using the compositions in step and flash imprint lithography. The imprinting compositions comprise a poly-oxycarbosilane polymer, a silanol, a reaction initiator and optionally a pore generator.

Abstract: A liquid sealant composition that can be cured by photoinitiation, heat-activated free radical initiation or both that includes an effective amount of an elastomeric acrylic polyolefin; an effective amount of a low molecular weight acrylic functional monomer component, the acrylic functional monomer component containing one or more unreacted acrylic or methacrylic double bonds, the low molecular weight acrylic functional monomer component having greater than 75% monofunctional monomers, wherein the elastomeric acrylic polyolefin is soluble in the low molecular weight acrylic functional monomer; at least one plasticizer; and at least one curing agent, the curing agent including at least one photoinitiator, at least one heat-activated free radical initiator, or a combination of at least one photoinitiator and at least one heat-activated free radical initiator.

Abstract: A curable composition containing (A) a polymerizable compound having an alkyleneoxy group having two or more carbon atoms, (B) a polymerizable compound lacking an alkyleneoxy group having two or more carbon atoms, (C) an i-line absorber, (D) a photopolymerization initiator, (E) an alkali-soluble resin, and (F) a pigment, wherein a mass ratio [(A)/((A)+(B))] is from 0.5 to 0.9, and an i-line transmittance obtainable when the curable composition is formed into a coating film having a thickness of 0.7 ?m, is 10% or less. The curable composition of the invention has enhanced adhesiveness upon forming a micro pattern, and can reduce development residues in unexposed non-cured areas. The curable composition of the invention is suitable for the use in color filters.

Abstract: A composition including an actinic radiation or thermally curable polyorganosiloxane ionomer having one or more reactive groups, for example, vinyl, acrylate, epoxy groups.

Abstract: This invention includes a wettable biomedical device containing a high molecular weight hydrophilic polymer and a hydroxyl-functionalized silicone-containing monomer.

Abstract: Disclosed herein are compositions comprising a reactive monomer, and, in particular, coating and/or reactive coating compositions. More particularly, compositions containing monomers comprising a lactam moiety, a urethane or urea functional group, and a polymerizable moiety are disclosed.

Abstract: The present invention relates to an active energy ray-curable resin composition including: a polymerizable component in which the polymerizable component includes 50 to 80% by mass of a monomer having 3 or more radical-polymerizable functional groups, and a molecular weight per functional group is 110 to 200, 10 to 50% by mass of a monomer having 2 radical-polymerizable functional groups, and at least 11 oxyalkylene groups, and 0 to 20% by mass of a monomer having one radical-polymerizable functional group; and a photopolymerization initiator. The present invention can provide an active energy ray-curable resin composition which can have comparatively low viscosity and can form a cured product with an excellent stamper mold releasing property, high abrasion resistance and an excellent fingerprint-wiping property, and an article having a fine concave-convex structure on the surface having high abrasion resistance and an excellent fingerprint-wiping property.

Abstract: Provided are inorganic-organic block copolymers that self assemble without the addition of a precursor. The inorganic block of the polymers includes silicon and the organic block may be any organic polymer. The inorganic-organic block copolymers self assemble to form a material in which the inorganic polymer block may be crosslinked to produce an organosilicate and/or silica matrix, and further thermal curing of the matrix results in the formation of a porous nanostructured film.

Abstract: A nanoimprint resist includes a hyperbranched polyurethane oligomer, a perfluoropolyether, a methylmethacrylate, a diluent solvent, and a photo initiator. The hyperbranched polyurethane oligomer can be polymerized by a copolymerization of trimellitic anhydride, ethylene mercaptan, and epoxy acrylic acid. The hyperbranched polyurethane oligomer can also be polymerized by a ring-opening copolymerization epoxy acrylic acid and ethylene glycol.

Abstract: Curable solid ink compositions, comprising a curable wax having a melting point under 40° C. as part of the ink vehicle, which are suitable for ink jet printing in applications that require high and/or variable levels of gloss. In particular, there is provided a novel high gloss, ultraviolet (UV) curable, phase change ink composition comprising a colorant and an ink vehicle comprising a gellant, a reactive diluent, a photoinitiator package, and a curable acrylate wax.

Abstract: A photocurable ink contains a colorant dissolved or dispersed within a solvent, a photoinitiator, an organic phosphite, an aldehyde, and a photocurable compound. The organic phosphite is present in a molar excess relative to the aldehyde moieties that are present. The photocurable ink can be used for imaging or other applications where a uniform or patterned image is desired. The photocurable ink can be cured partially before application, or totally cured after application.

Abstract: The photocuring efficiency of a photoinitiator is increased by mixing it with an organic phosphite and an aldehyde. This mixture or photoinitiator composition can be used to cure acrylates or other photocurable compounds, particularly in an oxygen-containing environment.

Abstract: The photocuring efficiency of a photoinitiator is increased by mixing it with an organic phosphite and an aldehyde. This mixture or photoinitiator composition can be used to cure acrylates or other photocurable compounds, particularly in an oxygen-containing environment.

Abstract: The present invention is directed to an adhesive composition comprising a crosslinkable acrylic copolymer, a multi-functionalized crosslinkable oligomer and a photoinitiator wherein the composition exhibits excellent wet out characteristics as reflected in a tan delta value of at least 0.5, preferably greater than 0.5, more preferable greater than 0.8 as measured at 20° C. resulting from a first curing stage, and improved stiffness and temperature resistance as reflected in a storage elastic modulus of at least 300,000 Pa at 20° C. and a shear adhesion failure temperature of at least 425° F. (218.3° C.) at 1 Kg/in2 (0.155 Kg/cm2), respectively, which result from a second sequential curing stage.

Abstract: The invention relates to pellets of ?-olefin-vinyl acetate copolymers with a vinyl acetate content of ?40% by weight, based on the total weight of the ?-olefin-vinyl acetate copolymer, as an embedding material for solar modules, wherein the pellets comprise, as additives, at least one UV activator and at least one silane coupling reagent, and to the use thereof for the production of films for solar modules.

Abstract: A sealant composition is provided. The sealant composition includes (a) an oligomer including an unsaturated mono-carboxylic acid modified bisphenol A epoxy resin and an unsaturated mono-carboxylic acid modified bisphenol F epoxy resin, wherein an equivalence ratio of the bisphenol A epoxy resin to the bisphenol F epoxy resin is 0.05:0.95 to 0.3:0.7, the bisphenol A epoxy resin has a melting point higher than 40° C. and the bisphenol F epoxy resin has a melting point lower than 40° C.; (b) an epoxy resin having at least two or more than two epoxy groups; and (c) a photoinitiator.

Abstract: Disclosed is an adhesive composition including a compound having a multi-functional urethane (meth)acrylate group and an adhesive film prepared by using it. The adhesive composition includes compounds represented by Chemical Formulae 1 to 3. The compound represented by Chemical Formulae 1 to 3 includes an urethane (meth)acrylate group represented by the Chemical Formula 1-1 or 1-2.

Abstract: This invention includes a wettable biomedical device containing a high molecular weight hydrophilic polymer and a hydroxyl-functionalized silicone-containing monomer.

Abstract: Radiation curable phase change ink comprising an ink vehicle that includes at least one curable carrier, at least one gellant, at least one curable wax and at least one photoinitiator. In a method of forming an image with the ink, the radiation curable phase change ink is melted, then jetted onto an image receiving substrate, wherein the radiation curable phase change ink forms a gel state, and exposed to ultraviolet light to cure the curable components of the radiation curable phase change ink. The wax cures into the structure of the ink, thereby generating a robust image of excellent gloss.

Abstract: The present invention relates to a photo-curable and thermo-curable resin composition and a dry film solder resist make it possible to provide the dry film solder resist having superior heat-resistance and dimensional stability while exhibiting more improved alkali developing property. The resin composition may comprises an acid-modified oligomer having carboxyl group (—COOH) and photo-curable functional group; a photo-polymerizable monomer comprising a compound having a structure of that 3- or more functional epoxy acrylate groups are bonded to a heterocyclic structure containing nitrogen, and a functional group having carboxyl group is bonded to at least one epoxy acrylate group; a thermo-curable binder having thermo-curable functional group; and a photo-initiator.

Abstract: A grafting reagent and related method of using the reagent to form a polymeric layer on a support surface, and particularly a porous support surface, in a manner that provides and/or preserves desired properties (such as porosity) of the surface. The reagent and method can be used to provide a thin, conformable, uniform, uncrosslinked coating having desired properties onto the surface of a preformed, and particularly a porous, polymeric substrate.

Abstract: The invention provides a process for manufacturing a polymeric material having a compositional gradient, comprising: forming a mixture comprising a first photopolymerizable polymer precursor and a second photopolymerizable precursor, and subjecting said mixture to an intensity gradient of electromagnetic radiation, wherein said first precursor has a greater reactivity ratio than said second precursor, and/or said first precursor is mono-functional and said second precursor is di-functional, and/or said first precursor is less inhibited by oxygen than said second precursor.

Abstract: A pressure-sensitive adhesive composition capable of giving a pressure-sensitive adhesive sheet which simultaneously realizes satisfactory holding power, adhesion, and peel resistance in peeling from curved surfaces, while balancing these properties, and has satisfactory heat resistance. The composition comprises the following ingredients: (A) a maleimide crosslinking agent having two or more maleimide groups per molecule; (B) a monomer which, when caused to homopolymerize, gives a homopolymer having a glass transition temperature of ?40° C. or lower; (C) a carboxylated monomer copolymerizable with the monomer of the ingredient (B); and (D) a photopolymerization initiator, the maleimide crosslinking agent of the ingredient (A) being contained in an amount of 0.01-2 parts by weight per 100 parts by weight of the sum of the monomers of the ingredients (B) and (C).

Abstract: A UV curable intermediate transfer media, such as a belt, that includes a first supporting substrate, such as a polyimide substrate layer, and a second surface layer of a mixture of a carbon nanotube component, a photoinitiator component, and an organic inorganic hybrid component.

Abstract: The present invention relates to compositions comprising poly-oxycarbosilane and methods for using the compositions in step and flash imprint lithography. The imprinting compositions comprise a poly-oxycarbosilane polymer, a silanol, a reaction initiator and optionally a pore generator.

Abstract: Disclosed is a coating agent for poly(methyl methacrylate) (PMMA) panel nano imprinting, more particularly, a coating agent for PMMA panel nano imprinting comprising a UV curable resin, a photoinitiator, an additive for surface modification and a weather-resistant stabilizer.

Abstract: The present invention relates to an acrylic composition for optical elements, a protective film for optical elements, a polarizer, and a liquid crystal display (LCD). According to the present invention, by adding a proper amount of an antistatic agent to a composition including a photo-polymerizable acrylic polymer, which is cured by irradiation of radial rays such as ultraviolet rays (UVs), and a polymerization initiator at a predetermined ratio, an aging process can be skipped during curing, thereby simplifying a preparation process and providing an acrylic composition for optical elements, a protective film for optical elements, a polarizer, and an LCD, which have excellent anti-static property during peeling or use, and superior endurance reliability, workability, adhesive property, wettability, and optical characteristics.

Abstract: Disclosed is a sealant composition for a liquid crystal display device, the sealant composition including a (meta) acrylate compound as expressed in Chemical Formula 1 below

Abstract: The present invention relates to a method of forming a crosslinked polymer gel, to a polymer gel produced by such method and to uses of such polymer gel.

Abstract: A liquid radiation and thermally curing composition characterized in, that said composition comprises at least one ester between at least one tri or polyalcohol and acrylic and/or methacrylic acid, which ester has at least two hydroxyl groups, at least one acrylic or methacrylic double bond, a hydroxyl value of 50-500 mg KOH/g and a double bond concentration of 1-10 mmoles/g, at least one crosslinking agent for hydroxyl functional compounds, which crosslinking agent optionally has at least one olefinic double bond, and an additive package comprising at least one photoinitiator, radical scavenger, light stabilizer, wetting agent and/or leveling agent, and optionally at least one monomeric or oligomeric reactive diluent.

Abstract: Superabsorbent polymer particles with improved surface cross-linking and their use in absorbent articles. The superabsorbent polymer particles comprise polymer chain segments, wherein at least a part of the polymer chain segments are covalently cross-linked to each other and wherein at least a part of the cross-links include the reaction product of cross-linking molecules having at least two C?C double bonds and further include the reaction product of radical former molecules. These cross-links are present at surfaces of the superabsorbent polymer particles.