Abstract: A composition that can be activated by irradiation and cured by moisture comprises (A) one or more moisture-curable compounds from the group of alkoxy silanes, (B) at least one acid generator releasing an acid when exposed to actinic radiation, and (C) at least one carbonyl compound and/or carbonyl derivative selected from the group of aldehydes, ketones, hemiacetals and hemiketals. Moreover, the compositions according to the present invention can additionally contain an alcohol and/or thiol (D), a catalyst for moisture-curing (E), a radiation-curable compound (F), a photoinitiator for radical polymerization (G), and further additives (H). After activation of the acid generator the composition cures even in high layer thicknesses independently of the ingress of external moisture. Furthermore, a method for the bonding, molding, sealing and coating of substrates using the composition is described.

Abstract: A curable composition capable of forming a cured product having a high refractive index and suppressed increase in reflectance, a cured product of the curable composition, and a method for producing the cured product using the curable composition. The curable composition includes a photopolymerizable monomer, metal oxide nanoparticles, and a photopolymerization initiating agent. The photopolymerizable monomer includes a compound represented by the following formula (a1).

Abstract: Provided are a reflective sheet including a cholesteric liquid crystal layer and having excellent reflection wavelength range, diffuse reflectivity, reflectivity, hardness, and scratch resistance; and a transfer film for a reflective sheet that is used for the reflective sheet. The reflective sheet includes a substrate, an adhesive layer, a cholesteric liquid crystal layer, and a hard coat layer in this order, in which in a cross-section of the cholesteric liquid crystal layer observed, at least a part of bright portions and dark portions has a flapping structure, the cholesteric liquid crystal layer has a pitch gradient structure in which a helical pitch changes in a thickness direction, and the helical pitch on the adhesive layer side is larger than that on the hard coat layer side.

Abstract: A liquid discharge apparatus includes a first liquid that generates heat in an absorption wavelength region of an active energy ray, a first discharger configured to discharge the first liquid, a second liquid that starts polymerization in the absorption wavelength region of the active energy ray, a second discharger configured to discharge the second liquid, and an irradiator configured to irradiate the first liquid and the second liquid with the active energy ray.

Abstract: A photocurable composition for three-dimensional modeling capable of high-speed modeling, a three-dimensional modeled object using the composition, and a method for producing the three-dimensional modeled object is provided. A photocurable composition for three-dimensional modeling, comprising a polymerizable organic compound component is provided. The photocurable composition has a steady flow viscosity of 30,000 mPa s or less measured with a rotary rheometer at 25° C. and a shear rate of 0.01 per second. When the photocurable composition for three-dimensional modeling is irradiated with a light having a light intensity of 1.3 mW/cm2, G? becomes 1×106 Pa or more after a start of photopolymerization in an integrated light irradiation time of 4 seconds or less. After the start of photopolymerization, a maximum value of tan ? on and after a gel point is 0.5 or more. The gel point is the point where G?=G? is satisfied for the first time after the start of photopolymerization.

Abstract: The present disclosure provides a photopolymerizable composition. The photopolymerizable composition includes at least one urethane component, at least one monofunctional reactive diluent, an initiator, and optionally an inhibitor. The present disclosure also provides an article including the reaction product of the photopolymerizable composition. Further, the present disclosure provides a method of making an article. The method includes (i) providing a photopolymerizable composition and (ii) selectively curing the photopolymerizable composition to form an article. The method optionally also includes (iii) curing unpolymerized urethane component and/or reactive diluent remaining after step (ii). Further, methods are provided, including receiving, by a manufacturing device having one or more processors, a digital object comprising data specifying an article; and generating, with the manufacturing device by an additive manufacturing process, the article based on the digital object.

Abstract: A curable resin composition which provides a cured product excellent in impact resistance and flexural modulus and has a low viscosity comprising a component (A), a component (B) and a component (C). The component (A) is a compound represented by formula (1), In formula (1), R is hydrogen or a hydrocarbon group having 1 to 4 carbon atoms. The hydrocarbon group optionally has a substituent. The component (B) is a compound having one or more caprolactone modified structures and two or more radically polymerizable groups per molecule, and the component (C) is a radical polymerization initiator.

Abstract: A curable resin composition which provides a cured product excellent in impact resistance and flexural modulus and has a low viscosity comprising a component (A), a component (B) and a component (C). The component (A) is a compound represented by formula (1), wherein in formula (1), R is hydrogen or a hydrocarbon group having 1 to 4 carbon atoms, and the hydrocarbon group optionally has a substituent, wherein the component (B) is a compound having 3 or more to 15 or less of oxyethylene groups or oxypropylene groups and two or more radically polymerizable groups per molecule, and wherein the component (C) is a radical polymerization initiator.

Abstract: The present invention provides a resin composition for optical shaping that, with its low viscosity, enables easy stereolithographical fabrication of an object, and that can produce an object having desirable toughness and desirable water resistance, particularly for dental mouthpieces and denture base materials. The present invention relates to a resin composition for optical shaping comprising a urethanized (meth)acrylic compound (A) and a photopolymerization initiator (B), the urethanized (meth)acrylic compound (A) being a (meth)acrylate containing at least one polyol moiety and a urethane bond per molecule, said at least one polyol moiety being selected from the group consisting of a polyester, a polycarbonate, a polyurethane, and a polyether each having a structure derived from a C4 to C18 aliphatic chain diol unit (a) having a branched structure.

Abstract: Provided is a resin composition including at least one (meth)acrylate monomer, a urethane (meth)acrylate oligomer, and at least one photo initiator. The urethane (meth)acrylate oligomer includes a phosphate ester group and is represented by Formula 1. Accordingly, the resin composition may exhibit satisfactory compatibility before curing and may exhibit excellent adhesion after curing.

Abstract: A method for distinguishing plaque and calculus is provided. The method is used in a device and includes the following steps: emitting, by a blue light-emitting diode, blue light to illuminate teeth in an oral cavity, wherein the blue light is used to generate autofluorescence of plaque and calculus on the teeth; sensing, by an image sensor, the autofluorescence of plaque and calculus; and distinguishing, by a processor, a plaque area and a calculus area on the teeth based on the autofluorescence.

Abstract: A curable composition for imprinting satisfies the following A to C: A: the curable composition includes a polyfunctional polymerizable compound having a polymerizable group equivalent of 150 or higher; B: the curable composition includes a photopolymerization initiator; and C: the curable composition satisfies at least one of a condition that the content of an ultraviolet absorber in which the light absorption coefficient at a maximum emission wavelength of an irradiation light source is 1/2 or higher of the light absorption coefficient of the photopolymerization initiator is 0.5 to 8 mass % with respect to non-volatile components or a condition that the content of a polymerization inhibitor is 0.1 to 5 mass % with respect to the non-volatile components. The non-volatile components refer to components in the curable composition for imprinting other than a solvent.

Abstract: The disclosure provides a microcapsule type thermochromic pigment and a preparation method and use thereof, and a thermochromic ink and use thereof. The microcapsule type thermochromic pigment provided by the disclosure includes a core material and a wall material wrapping the core material, wherein the core material includes the following components: a leuco dye, a developer and stearic acid 2-[4-(phenylmethoxy)phenyl]ethyl ester, and the wall material is self-emulsifying polyurethane or self-emulsifying epoxy resin.

Abstract: A curable composition for imprinting satisfies the following A to C: A: the curable composition includes a polyfunctional polymerizable compound having a polymerizable group equivalent of 150 or higher; B: the curable composition includes a photopolymerization initiator; and C: the curable composition satisfies at least one of a condition that the content of an ultraviolet absorber in which the light absorption coefficient at a maximum emission wavelength of an irradiation light source is 1/2 or higher of the light absorption coefficient of the photopolymerization initiator is 0.5 to 8 mass % with respect to non-volatile components or a condition that the content of a polymerization inhibitor is 0.1 to 5 mass % with respect to the non-volatile components. The non-volatile components refer to components in the curable composition for imprinting other than a solvent.

Abstract: A liquid photocurable resin composition not containing a thermal polymerization initiator is applied to a surface of a light-transmitting cover member having a light-shielding layer or a surface of an image display member, irradiated with ultraviolet rays under an atmosphere where the oxygen concentration is significantly decreased and cured, to form a light-transmitting cured resin layer. Subsequently, the image display member and the light-transmitting cover member are stacked through the light-transmitting cured resin layer to manufacture an image display device of the present invention.

Abstract: An object of the present invention is to provide an active energy ray-curable coating composition including a specific resin component and at least one pigment (D) selected from the group consisting of a coloring pigment and a glitter pigment. The present invention provides an active energy ray-curable coating composition including a poly[(meth)acryloyloxyalkyl] isocyanurate (A); a polyfunctional (meth)acrylate (B) having 4 or more (meth)acrylate groups; an acrylic resin (C); and at least one pigment (D) selected from the group consisting of a coloring pigment and a glitter pigment, wherein the acrylic resin (C) has a weight-average molecular weight in the range of 5,000 to 30,000 and a solubility parameter in the range of 9.0 to 11.5.

Abstract: An object of the present invention is to provide a photo-alignable polymer which has excellent coating properties, is capable of suppressing film thickness unevenness, and has excellent upper layer coating properties and good liquid crystal alignment properties after being formed as a layer; a binder composition; a binder layer; an optical laminate; a method for producing an optical laminate; and an image display device. The photo-alignable polymer of an embodiment of the present invention is a photo-alignable polymer having a repeating unit A including a cleavage group capable of decomposing by an action of at least one selected from the group consisting of light, heat, an acid, and a base to generate a polar group, in which the repeating unit A has the cleavage group in a side chain, has a fluorine atom or a silicon atom on a side closer to a terminal than the cleavage group in the side chain, and the photo-alignable polymer satisfies Condition 1 or Condition 2 shown below.

Abstract: A photocurable hardcoat composition includes certain red-shifted ultraviolet light absorbers (UVA) that include a combination of a-hydroxy ketone and bisacylphosphine oxide photoinitiators.

Abstract: The invention relates to structural adhesives and in particular to structural adhesives which are heat activated and which can be used for the bonding of components, particularly metal components, employed in the automotive industry.

Abstract: A composition for an encapsulant according to an exemplary embodiment of the present invention comprises: 1) a first copolymer comprising the first unit represented by Chemical Formula 1, the second unit represented by Chemical Formula 2, and the third unit represented by Chemical Formula 3; 2) a second copolymer comprising the second unit represented by Chemical Formula 2 and the third unit represented by Chemical Formula 3; 3) one or more photoinitiators; and 4) a compound capable of dissolving the photoinitiators.

Abstract: The present invention relates to a composition for an organic electronic device encapsulant and an encapsulant formed by using the same. A composition for an encapsulant according to the present invention comprises: 1) a first copolymer comprising the first unit represented by Chemical Formula 1, the second unit represented by Chemical Formula 2, and the third unit represented by Chemical Formula 3; 2) a silicone urethane methacrylate-based polymer comprising the second unit represented by Chemical Formula 2 as a main unit; and 3) one or more photoinitiators.

Abstract: The present invention relates to an oxidatively curable coating formulation comprising an oxidatively curable alkyd-based resin and a chelant capable of chelating at least one transition metal ion through either three or four nitrogen atoms, which chelants may each optionally be complexed with one or two transition metal ions, typically iron or manganese ions. The formulations may be paints or other oxidatively curable coating compositions. The invention also provides methods for making such formulations and compositions resultant from the curing of such formulations.

Abstract: Some variations provide a curable resin formulation for a water-decomposable thermoset material, comprising: first molecules containing a boron-oxygen-silicon group and a first functional group that is reactive for free-radical, cationic, and/or hydrosilylation polymerization; optionally second molecules containing at least one second functional group that is reactive with the first molecules; and a polymerization initiator. Other variations provide a curable resin formulation comprising: first molecules containing a polyester group and a first functional group that is reactive for free-radical, cationic, and/or hydrosilylation polymerization; optionally second molecules containing at least one second functional group that is reactive with the first molecules; and a polymerization initiator.

Abstract: A process and apparatus for producing a gradient nanovoided article, a gradient nanovoided coating, and a gradient low refractive index coating is described. The process includes providing a first solution of a polymerizable material in a solvent, and providing a first environment proximate a first region of the coating and a different second environment proximate an adjacent region of the coating. The process further includes at least partially polymerizing the polymerizable material to form a composition that includes an insoluble polymer matrix and a second solution. The insoluble polymer matrix includes a plurality of nanovoids that are filled with the second solution, and a major portion of the solvent from the second solution is removed. A first volume fraction of the plurality of nanovoids proximate the first region of the coating is less than a second volume fraction of the plurality of nanovoids proximate an adjacent of the coating.

Abstract: The present invention provides a single-layer substrate-less hard coating film, comprising a cross-linked polymer of an oligomer having an elongation of 50 to 350%, wherein the hard coating film has a cross-linked bending stiffness value ranging from 0.5 to 10 N·mm·%, and a flexible display having the hard coating film. The hard coating film according to the present invention has excellent impact resistance and curling properties and also has excellent bending resistance.

Abstract: Compositions, particularly photocurable compositions that can cure upon irradiation, cured compositions, and methods of making such cured compositions, wherein the photocurable compositions include a polydiorganosiloxane having vinyl functionality, a polydiorganosiloxane having thiol (i.e., mercapto) functionality, and a thermally conductive filler.

Abstract: Provided are a photocurable and thermocurable resin composition including: an acid-modified oligomer including an iminocarbonate-based compound containing a carboxyl group and a photocurable unsaturated functional group; a photopolymerizable monomer having two or more photocurable unsaturated functional groups; a thermocurable binder having a thermally curable functional group; a functional filler including one or more selected from the group consisting of carbon allotrope particles having a ceramic compound bound to a surface thereof and heat radiating ceramic particles; and a photoinitiator, and a dry film solder resist manufactured therefrom.

Abstract: The present disclosure is directed, in part, to a curable composition, a method for augmenting a structure in a patient with a resorbable biocompatible polymer, and a biodegradable, resorbable implant comprising a biocompatible copolymer. An exemplary embodiment of the curable composition comprises (a) 60 wt. % to 95 wt. % of one or more vinyl ester monomers and/or vinylcarbonate monomers, wherein said one or more vinyl ester monomers and/or vinylcarbonate monomers are respectively selected from compounds of the general formulas (I) and (II) below: wherein n, m R1 and R2 have the meaning defined herein; (b) 0.1 to 40 wt. % of one or more multifunctional thiols; and (c) 0 to 10 wt. % of a biocompatible polymerization initiator.

Abstract: The present invention relates a method for manufacturing an intraocular lens in a closed mold, wherein an acrylic monomer composition containing a single high refractive index monomer according to formula (I): is polymerized by employing an initiator that is activated by light having a wavelength of 390 nm or more.

Abstract: The present invention relates to a hard coating composition, and, more particularly, to a hard coating composition used in forming a hard coating film exhibiting high hardness and excellent properties. The hard coating composition can be used to form a high-hardness hard coating film that is not easily curled.

Abstract: A tool provided that individually creates three-dimensional structural elements which are sequentially positioned into formation of a shaped object.

Abstract: Disclosed is an aqueous polyurethane dispersion obtained by dispersing in water a reaction product obtained by reacting a reaction mixture comprising at least one organic, aliphatic, cycloaliphatic or aromatic di, tri or poryisocyanate, at least one isocyanate reactive polycarbonate diol, triol or polyol, at least one compound comprising at least one isocyanate reactive group and at least one free radically polymerizable unsaturated group, and at least one compound comprising at least one isocyanate reactive group and at least one at least dispersing active group, and optionally at least one compound comprising at least two isocyanate reactive groups and having a molecular weight of less than 1000 g/mol.

Abstract: The present invention relates to a varnish which is for covering the surface of a substrate and deposited by inkjet, to a process for preparing said varnish and to the use thereof as a laminable and/or overprintable ink or varnish.

Abstract: The present invention is: a curable resin composition comprising a thermoplastic resin (A), a curable monomer (B), and a photoinitiator (C), the thermoplastic resin (A) including an aromatic ring in its molecule, and having a glass transition temperature (Tg) of 140° C. or more, and the photoinitiator (C) having an absorbance at 380 nm of 0.4 or more when measured in a 0.1 mass % acetonitrile solution; a curable resin formed article obtained by forming the curable resin composition; a cured resin formed article obtained by curing the curable resin formed article; a laminate comprising at least one layer that is formed of a cured resin obtained by curing the curable resin composition. The present invention provides: a cured resin formed article that exhibits excellent heat resistance, includes only a small amount of residual low-boiling-point substance (e.g.

Abstract: The present disclosure provides an ink comprising a latex comprising a photoinitiator and at least one unsaturated polyester, which is suitable for use in an indirect printing method.

Abstract: The present invention provides a method of preparing UV-curable inkjet pigment ink for textile printing, in which mini-emulsion techniques are used to encapsulate monomer, photo initiator, thermal initiator and pigment in mini-emulsion particles to make a UV-curable pigment paste, and the UV-curable pigment paste is mixed with water-soluble co-solvent, surfactant and water to make a UV-curable pigment ink. The preparation process is simple and easy. The UV-curable inkjet pigment ink of the invention exhibits good fluency during printing, bright color and strong color fastness in printed products.

Abstract: Disclosed are a UV hardening composition having improved light resistance, a three dimensional film, and a method for manufacturing the three dimensional film. Particularly, the UV hardening composition having improved light resistance may be used in interior materials and the like for a vehicle which generally are substantially exposed to UV rays. In addition, the UV hardening composition may also be used for indoor electronic products. The UV hardening composition according to the present invention includes a urethane acrylate resin, a polyester acrylate resin, a UV absorber, a hindered amine light stabilizer (HALS), an antioxidant and the like. Further, the three dimensional film including the UV hardening composition may be advantageous due to the improvement in the carbon pattern three dimensional effect formed in the three dimensional film.

Abstract: A dual-cure curable material kit comprising: (A) a radical-polymerizable monomer component; (B) a photopolymerization initiator component comprising (b1) an ?-diketone compound, (b2) an aliphatic tertiary amine compound having a tertiary amino group in which three saturated aliphatic groups are bonded to a nitrogen atom and one of the saturated aliphatic groups has an electron-withdrawing group as a substituent, and (b3) an s-triazine compound having a trihalomethyl group as a substituent, or a diaryliodonium salt compound; and a chemical polymerization initiator component (C) comprising (c1) an organic peroxide, and (c2) an N,N-di(hydroxyalkyl)-p-toluidine compound; which is packed separately at least in two packages so that the component (b2) and the component (b3) of the photopolymerization initiator component (B) are not packed together in a single package and the component (c1) and the component (c2) of the chemical polymerization initiator component (C) are not packed together in a single package.

Abstract: Corrosion-resistant, self-priming coatings that are curable by ultraviolet energy and methods for coating surfaces using such coatings have been provided. In an exemplary embodiment, a method for coating a surface includes formulating a chromium-free, self-priming coating, applying the chromium-free, self-priming coating to the surface, and curing the chromium-free, self-priming coating with ultraviolet light.

Abstract: The present invention relates to a photocurable composition, to a barrier layer including same, and to an encapsulated device including same, wherein the composition comprises a photocurable monomer(A) and a silicon containing monomer(B), wherein the silicon containing monomers(B) has a structure according to Formula 1.

Abstract: Addition-fragmentation agents of the formula are disclosed having the following functional groups: 1) a labile addition-fragmentation group that can cleave and reform to relieve strain, 2) a free-radically polymerizable group, and 3) a surface-modifying functional group that associates with the surface of a substrate.

Abstract: The present invention relates to a varnish which is for covering the surface of a printed substrate and deposited by inkjet, in which the composition of the varnish comprises at least: —at least one curable oligomer, —at least one curable monomer and —at least one photoinitiator.

Abstract: Compositions are provided that are radiation curable to polythioether polymers, which in some embodiments may be useful as sealants. In some embodiments, the composition comprises: a) at least one dithiol monomer; b) at least one diene monomer; c) at least one multifunctional monomer having at least three ethenyl groups; and d) at least one photoinitiator. In some embodiments, the composition comprises: f) at least one dithiol monomer; g) at least one diene monomer; h) at least one multifunctional monomer having at least three thiol groups; and i) at least one photoinitiator. In some embodiments, the composition comprises: k) at least one thiol terminated polythioether polymer; l) at least one multifunctional monomer having at least three ethenyl groups; and m) at least one photoinitiator.

Abstract: The invention includes a new photopolymerizable resin system for dental restorative materials. The resin system utilizes a thiol-ene component as the reactive diluent in dimethacrylate systems. The ternary resin system comprises a thiol monomer, an ene monomer and a dimethacrylate monomer. The system of the invention has enhanced overall functional group conversion, improved polymer mechanical properties, and reduced shrinkage stress of the ternary system when compared to either traditional dimethacrylate or thiol-ene resin systems.

Abstract: A photocurable composition, a composition for encapsulation of an organic light emitting diode, and an encapsulated apparatus, wherein, in the photocurable composition, when A represents a glass-metal alloy die shear strength in kgf between a glass substrate and a Ni/Fe alloy after curing, and B represents curing shrinkage in % as determined by Equation 1, below, and the photocurable composition has a value for A/B of about 0.7 kgf/% or more and the glass-metal alloy die shear strength of about 2.5 kgf or more, Curing shrinkage=|(Specific gravity of solid photocurable composition after curing)?(Specific gravity of liquid photocurable composition before curing)|/(Specific gravity of liquid photocurable composition before curing)×100.

Abstract: A polymerizable composition is disclosed wherein the polymerizable composition includes a first component selected from the group composed of compounds produced by an ester exchange reaction between a hydrogenated polyolefin polyol and an acrylic acid ester, compounds produced by an ester exchange reaction between a hydrogenated polyolefin polyol and a methacrylic acid ester, compounds produced by a dehydration condensation reaction between a hydrogenated polyolefin polyol and an acrylic acid, and compounds produced by a dehydration condensation reaction between a hydrogenated polyolefin polyol and a methacrylic acid, a second component selected from the group composed of compounds containing a hydrocarbon group with a carbon number more than or equal to 6 and an acryloyl group and compounds containing a hydrocarbon group with a carbon number more than or equal to 6 and a methacryloyl group, and a third component selected from the group composed of photopolymerization initiators.

Abstract: In relation to a polymerizable composition for forming a transparent optical resin layer to be interposed between an image display section of an image display device and a light-transmissive protective section thereof, the present invention provides a polymerizable composition that does not give rise to display defects caused by the deformation of the image display section, enables high-luminance, high-contrast image displaying, has excellent heat resistance, and also has a low dielectric constant. This polymerizable composition comprises: (1) a urethane (meth)acrylate obtained by reacting a hydrogenated polyolefin polyol and a compound having an isocyanato group and a (meth)acryloyl group; (2) a (meth)acryloyl-group-containing compound having a hydrocarbon group with a carbon number of 6 or greater; and (3) a photopolymerization initiator.

Abstract: The invention includes a composition comprising a vinyl sulfone monomer, a thiol monomer and an acrylate monomer. In one embodiment, the thiol monomer reacts with the vinyl sulfone monomer preferentially over the acrylate monomer, and this differential selectivity allows for the control of the architecture of crosslinking polymer network. The invention further includes a composition comprising an electrophilic monomer, a nucleophilic monomer, a nucleophilic catalyst and an acid, wherein the concentrations of the nucleophilic catalyst and acid are selected as to provide a specific induction time for the polymerization reaction of the composition.

Abstract: The invention pertains to an oligomer or polymer substituted by one or more bisacylphosphine oxide moieties, characterized in that said bisacylphosphine oxide moiety is linked via the phosphorous atom, optionally via a spacer group, to the oligomer or polymer backbone; as well as to specifically functionalized bisacylphosphine oxides, suitable to prepare said polymers or oligomers.

Abstract: Provided is a curable composition for imprints having good patternability and dry etching resistance. Disclosed is a curable composition for imprints comprising a polymerizable monomer (Ax) having a substituent having an aromatic group and having a molecular weight of 100 or more, and a photopolymerization initiator.