Abstract: The invention relates to the use of triazenes of formula (I) wherein Q is a direct bond or a bivalent radical —(CR8R9)—, Z1 is —O—, —NR10—, —CH2—, —(CR11R12)— or —C(?O)— and R1 to R12 are optionally substituted hydrocarbon residues, as precursors for radicals useful in reactions triggered by free radicals, such as polymerization of unsaturated monomers and degradation of polyolefins. Most of the triazenes of formula (I) are novel and claimed, too, as well as the preparation of triazenes of formula (I) and polymerizable compositions comprising them.

Abstract: The invention provides an aqueous liquid composition containing a water-soluble monomer, a photopolymerization initiator and an aqueous medium and further containing a polymer emulsion, wherein the water-soluble monomer is a monomer that has two or more ethylenically unsaturated bonds and is curable with an active energy ray.

Abstract: A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; wherein the polymerizable composition of the liquid consists of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 different from the group G1; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates.

Abstract: The invention relates to an acrylate-based UV-curable ink, in particular ink jet ink, having a content of pigments, radical photoinitiators, dispersing agent(s)and optionally additional additives, characterized in that said ink contains at least two radical photoinitiators of the Norrish type I and at least one radically curable monomer in the form of a polyfunctional alkoxylated and/or polyalkoxylated acrylate monomer, which comprises one or more diacrylates and/or triacrylates, wherein the mol ratio of all acrylates to all initiators is approximately 5:1 to 19:1.

Abstract: The present invention is a method for producing a composite including a matrix and a dispersed material dispersed in the matrix. The method includes introducing a raw material for dispersed material which constitutes a dispersed material into a fluid including a melt of a raw material for matrix which constitutes a matrix or a solution containing a raw material for matrix by a vapor deposition method, to obtain a composite.

Abstract: Provided is a photosensitive resin composition that is, after being applied to an adherend surface, rapidly cured by photoirradiation to form a cured product having excellent light-shielding ability and adhesiveness (preferably, further having excellent reflow heat resistance). The photosensitive resin composition includes components (A), (C), and (D) and preferably further includes a component (B) as follows: (A) a cationically polymerizable compound at least including a compound containing an alicyclic epoxy group and devoid of ester bonds; (B) a hydroxyl-containing compound having a molecular weight of 500 or more; (C) a photo-cationic polymerization initiator; and (D) a light-shielding material.

Abstract: An ink composition which is used for active energy ray-curable inkjet printing, has excellent curability or adhesiveness to multiple base materials while having low viscosity, and exhibits excellent non-yellowing properties of the printed matter is provided. The composition comprises a polymerizable monomer (A) and photopolymerization initiators (B), the polymerizable monomer comprising 2-(2-vinyloxyethoxy)ethyl acrylate (A-1), and the photopolymerization initiators comprising oligo(2-hydroxy-2-methyl-1-(4-(1-methylvinyl)phenyl)propanone) (B-1) and other initiator (B-2).

Abstract: The present invention relates to methods for making wear and oxidation resistant polymeric materials by high temperature melting. The invention also provides methods of making medical implants containing cross-linked antioxidant-containing tough and ductile polymers and materials used therewith also are provided.

Abstract: Compositions and methods for adjustable lenses are provided. In some embodiments, the lenses contain a lens matrix material, a masking compound, and a prepolymer. The lens matrix material provides structure to the lens. The masking compound is capable of blocking polymerization or crosslinking of the prepolymer, until photoisomerization of the compound is triggered, and the compound is converted from a first isomer to a second isomer having a different absorption profile. The prepolymer is a composition that can undergo a polymerization or crosslinking reaction upon photoinitiation to alter one or more of the properties of the lenses.

Abstract: 3-Esters and 3-amides of thioxanthone bearing alkyl chains of appropriate length and can be used as photoinitiators or sensitizers in photopolymerizable systems, in particular for the preparation of coatings compatible with the food use.

Abstract: A process for the preparation of polymer lattices comprising polymer nanoparticles by a photo-initiated heterophase polymerization includes preparing a heterophase medium comprising a dispersed phase and a continuous phase and at least one of at least one surfactant, at least one photoinitiator, and at least one polymerizable monomer. The at least one polymerizable monomer is polymerized by irradiating the heterophase medium with electromagnetic radiation so as to induce a generation of radicals. The at least one photoinitiator is selected from compounds comprising at least one phosphorous oxide group (P?O) or at least one phosphorous sulfide (P?S) group. The irradiating of the heterophase medium is effected so that a ratio of an irradiated surface of the heterophase medium to a volume of the heterophase medium is at least 200 m?1.

Abstract: A process for the preparation of modified polymers by a photo-initiated polymerization includes preparing a polymerization medium comprising at least one photoinitiator comprising at least one phosphorous oxide (P?O) group or at least one phosphorous sulfide (P?S) group, and at least one polymerizable monomer. The at least one polymerizable monomer is polymerized by irradiating the polymerization medium with electromagnetic radiation so as to induce a generation of radicals so as to obtain a polymer. The polymer is modified by irradiating the polymer with electromagnetic radiation so as to induce a generation of radicals from the polymer in a presence of at least one modifying agent.

Abstract: The present disclosure relates to a thermally resistant optical siloxane resin composition including siloxane containing photo-cationically polymerizable epoxy group, a photo initiator, and an antioxidant.

Abstract: The invention relates to a radiation curable composition for taking a dental impression comprising (A) a cationically hardenable compound comprising at least one aziridine moiety, and (B) a radiation sensitive starter, the radiation sensitive starter comprising an onium salt, a ferrocenium salt, a combination or mixture thereof.

Abstract: A radiation curable temporary laminating adhesive composition for use in temperature applications at 150° C. or greater, and typically at 200° C. or greater, comprises (A) a hydrogenated polybutadiene diacrylate; (B) a radical photoinitiator; and (C) a diluent.

Abstract: According to a resin composition for a pigment-containing insulating film which resin composition contains at least a (A) binder polymer and (B) pigment-containing cross-linked polymer particles, it is possible to provide a resin composition for a pigment-containing insulating film which resin composition is excellent in tack property after drying and allows a resultant pigment-containing insulating film to be excellent in flexibility and electrical insulation reliability and to be small in warpage after curing, a resin film for a pigment-containing insulating film, a pigment-containing insulating film, and a printed wiring board provided with a pigment-containing insulating film.

Abstract: A crosslinkable curing super-branched polyester and the cured product and the preparation method thereof are disclosed. The super-branched polyester has high refractive index and comprises a compound represented by the following structural formula (I). In the formula (I), HBP is the backbone of the super-branched polyester; both a and b are positive integers; the sum of a and b is less than or equal to n; n is more than or equal to 10 and less than 80. In the super-branched polyester, A is represented by formula (II) and N is represented by formula (III), wherein R is methyl or hydrogen atom; the mole ratio of N relative to the total mole of A and N is more than 30 mol %, and the ratio of the total mole of A and N relative to the product of the total mole of HBP backbone and n is more than 0.5 and less than or equal to 1.

Abstract: A durable ambient light curable waterproof liquid rubber coating with volatile organic compound (VOC) content of less than 450 grams per liter made from ethylene propylene diene terpolymer (EPDM) in a solvent, a photoinitiator, an additive, pigments, and fillers, and a co-agent and a method for making the formulation, wherein the formulation is devoid of thermally activated accelerators.

Abstract: A durable ambient light curable waterproof liquid rubber coating with volatile organic compound (VOC) content of less than 450 grams per liter made from ethylene propylene diene terpolymer (EPDM) in a solvent, a photoinitiator, an additive, pigments, and fillers, and a co-agent and a method for making the formulation, wherein the formulation is devoid of thermally activated accelerators.

Abstract: A durable ambient light curable waterproof liquid rubber coating with volatile organic compound (VOC) content of less than 450 grams per liter made from ethylene propylene diene terpolymer (EPDM) in a solvent, a photoinitiator, an additive, pigments, and fillers, and a co-agent and a method for making the formulation, wherein the formulation is devoid of thermally activated accelerators.

Abstract: An ink set includes a metallic ink composition containing a metal pigment and at least one curable ink composition selected from the group consisting of a chromatic ink composition, a black ink composition, and a white ink composition.

Abstract: An object to be attained by the present invention is to provide an active energy ray-curable composition that is capable of producing a cured coating film having high scratch resistance and excellent transparency. The present invention relates to an active energy ray-curable composition containing a reactive particle (A) obtained by reacting a silica fine particle (a-1) and a hydrolysable silane (a-2) having one or more (meth)acryloyloxy groups and one or more isocyanurate ring structures in a molecule. The present invention also provides the active energy ray-curable composition according to the above, containing a photopolymerization initiator (B).

Abstract: The present invention relates to methods for making oxidation resistant homogenized polymeric materials and medical implants that comprise polymeric materials, for example, ultra-high molecular weight polyethylene (UHMWPE). The invention also provides methods of making antioxidant-doped medical implants, for example, doping of medical devices containing cross-linked UHMWPE with vitamin E by diffusion and annealing the anti-oxidant doped UHMWPE in a super critical fluid, and materials used therein.

Abstract: The invention relates to a photo-curing and strippable adhesion composition, and it has the advantage of good reworkability and weatherability. The invention also provides a strippable material and method for manufacturing the same and an electronic component and method for manufacturing the same.

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: The active ray-curable inkjet ink comprises a gelling agent, photopolymerizable compounds and a photoinitiator, and reversibly transitions into a sol-gel phase according to the temperature. Therein: (1) a (meth)acrylate compound having a molecular weight of 300-1,500 and having 3-14 (—CH2—CH2—O—) structural units within a molecule is included as the first photopolymerizable compound at a proportion of 30-70 mass % relative to the total mass of the ink; (2) a (meth)acrylate compound having a molecular weight of 300-1,500 and a C log P value of 4.0-7.0 is included as the second photopolymerizable compound at a proportion of 10-40 mass % relative to the total mass of the ink; and (3) the gelling agent has a total of at least 12 carbon atoms, and has a straight or branched alkyl chain including at least three carbon atoms.

Abstract: An ink composition includes: (Component a) a polymerizable compound having an ethylenically unsaturated double bond; (Component b) a polymerization initiator; (Component c) water; and (Component d) a polyhydric alcohol having an alkyleneoxy chain, wherein the (Component a) polymerizable compound includes a monofunctional polymerizable monomer having a (meth)acrylamide structure, and a content of the monofunctional polymerizable monomer is 5% by mass or more with respect to a total content of the (Component a) polymerizable compound.

Abstract: An active ray curable composition, including: a photobase generator; a polymerizable compound; and an acid, wherein the photobase generator is a salt of a carboxylic acid and a basic compound, wherein a ratio by mole of a carboxyl group of the carboxylic acid:a basic functional group of the basic compound is 1:1, and wherein the acid is an acid that loses a function thereof as acid by light or heat.

Abstract: The present invention provides an energy ray-curable ink composition excellent in the continuous discharge property, and excellent in curability and adherability. The present invention relates to an energy ray-curable ink composition which contains a coloring agent, contains only a monofunctional monomer having an acrylic equivalent of 300 or less, and having one ethylenic double bond in one molecule, and a polyfunctional monomer having an acrylic equivalent of 150 or less, and having two or more ethylenic double bonds in one molecule as a polymerizable compound, contains an ?-aminoalkylphenone compound and a thioxanthone compound as a photopolymerization initiator, and contains a silicone compound having a polydimethylsiloxane structure as a surface conditioner.

Abstract: Disclosed are a positive photosensitive resin composition that includes (A) an alkali soluble resin; (B) a dissolution controlling agent including the compound represented by Chemical Formula 6; (C) a photosensitive diazoquinone compound; (D) a silane compound; and (E) a solvent, and a photosensitive resin film prepared by using the same.

Abstract: The present invention relates to a novel fluorinated compound, a composition comprising the same, and a method for manufacturing a film by using the same, and more particularly a novel compound having a structure in which one or more fluorine and acrylate-based functional groups are substituted in a silane core, a composition comprising the compound and photoinitiator, and a method for manufacturing a film by using the same. If the composition comprising the compound according to the present invention is used, it is possible to manufacture a film in which a refractive index is low, reflectivity is reduced, and transmissivity is increased.

Abstract: The invention relates to a coating formulation for preparing a hydrophilic coating, wherein the hydrophilic coating formulation comprises a hydrophilic polymer, a supporting polymer comprising a backbone and at least 2 reactive moieties capable of undergoing polymerization reactions, a Norrish Type I photoinitiator and a Norrish Type II photoinitiator.

Abstract: The present invention provides a bezel sealant for use in a polymer stabilized vertical alignment liquid crystal display. The bezel sealant includes at least the following compositions: epoxy resin 20-60% by weight, curing agent 5-50% by weight, methacrylate resin or acrylate resin 20-60% by weight, photoinitiator 0.1-1% by weight, filler 5-35% by weight, and silane coupling agent 0.05-5% by weight. The molecular weight of the methacrylate resin or the acrylate resin is greater than or equal to 500. According to the embodiment of the present invention, the dissolution of the methacrylate resin or acrylate resin in the bezel sealant by the liquid crystal medium is prevented to avoid the over-sized bumps formed in the periphery of the bezel. Light leakage phenomenon in the periphery of the bezel is decreased to increase product yield rate.

Abstract: Various embodiments of the present invention generally relate to a light-cure and dual-cure resin that have low color and is color stable over conventional light, self and dual-cured resins. Additionally, the light-cure resin has enhanced degree of cure over conventional light-cure resins. Finally, due to the low color and enhanced color stability of the dual-cure resins, their inherent property of having lower shrinkage stress as compared to light-cure resins can now be utilized in various dental applications and other resin applications.

Abstract: The disclosure provides curable inks including a diurethane gelator having the structure of Formula I. wherein R and R? each, independently of the other, is a C1-C22 saturated aliphatic hydrocarbon group selected from the group consisting of (1) linear aliphatic groups, (2) branched aliphatic groups, (3) cyclic aliphatic groups, (4) aliphatic groups containing both cyclic and acyclic portions, any carbon atom of the saturated aliphatic hydrocarbon group may be optionally substituted with an alkyl group (cyclic or acyclic), wherein (1) and (2) groups have a carbon number of from about 1 to about 22 carbons, and wherein (3) and (4) groups have a carbon number of from about 4 to about 10 carbons; and X is selected from the group consisting of: (i) an alkylene group, (ii) an arylene group, (iii) an arylalkylene group, and (iv) an alkylarylene group.

Abstract: Conventional curable polymers tend to shrink upon curing whilst low shrinkage ultraviolet light curing polymers have a problem with respect to curing below surface areas of a component. By providing light transmitting elements and/or local ultraviolet light source precursors, greater depth of ultraviolet curing can be achieved and therefore enhanced acceptability with regard to component manufacture. The light transmitting elements may be formed by optic fibers or coatings to existing reinforcing fibers or through consideration of the refractive index of the cured and uncured polymer to create light transmission paths through the component. Ultraviolet light source precursors can be activated by heat or a “seed” light exposure or vibration to create localised ultraviolet curing of the polymer thereabout.

Abstract: Provided is a method for providing a composition comprising at least one propylene-based polymer; at least one of multifunctional acrylates, multifunctional methacrylates, functionalized polybutadiene resins, functionalized cyanurate, and allyl isocyanurate; at least one of hindered phenols, phosphites, and hindered amines; and at least one photoinitiator for UV curing. The propylene-based polymer can include propylene derived units and one or more dienes, and have a triad tacticity of from 50% to 99% and a heat of fusion of less than 80 J/g. The composition can be extruded and crosslinked. The crosslinked composition is particularly useful for making films and fibers.

Abstract: A polymerisable photoinitiator according to Formula (I): wherein: R1 and R2 are independently selected from the group consisting of hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted alkaryl group, a substituted or unsubstituted aryl or heteroaryl group, a halogen, an ether group, a thioether group, an aldehyde group, a ketone group, an ester group, an amide group, an amine and a nitro group; R1 and R2 may represent the necessary atoms to form a five to eight membered ring; L represents an n+m-valent linking group comprising 1 to 30 carbon atoms; A represents a radically polymerizable group selected from the group consisting of an acrylate group, a methacrylate group, a styrene group, an acryl amide group, a methacryl amide group, a maleate group, a fumarate group, an itaconate group, a vinyl ether group, an allyl ether group, a viny

Abstract: Disclosed is a transparent, radiation curable acrylate coating composition comprising (a) at least three polyfunctional acrylate derivatives, (b) a photoinitiator selected from the group consisting of phosphine oxides, ketones, and combinations thereof, (c) a nanoscale filler, and (d) a dibenzoyl resorcinol UV absorber, at least one of said acrylate derivatives being an aliphatic polyester urethane multi-acrylate having an acrylate functionality of at least 5 and an elongation of no greater than 5%, and at least two of said acrylate derivatives being diacrylates, wherein at least one of said diacrylates is an aliphatic Polyester urethane diacrylate having an elongation of greater than 5% and a number average molecular weight of from 500 to about 2500 and wherein another of said diacrylates is a urethane-free diacrylate having a number average molecular weight of from about 150 to about 600.

Abstract: Disclosed is a photocurable resin composition which comprises a photopolymerization initiator having two oxime ester groups in the molecule, a resin containing a carboxyl group, and a compound having two or more ethylenically unsaturated groups in the molecule. The composition can achieve high sensitivity, can provide a dried coating film having excellent touch dryness of fingers, can prevent the generation of an out gas during curing or the like, and can achieve all of excellent alignment accuracy, high productivity and high reliability in the formation of a solder resist for a printed wiring board or the like.

Abstract: To provide a curable resin composition for forming a seal part, which is capable of easily forming a continuous seal part and which is capable of maintaining the shape of the seal part during a period of from immediately after the formation of an uncured seal part until a liquid material is supplied to a region enclosed by the seal part and the seal part is cured, and a laminate which has minimal defects and whereby a resin layer interposed between first and second plates can be made thick. One having a viscosity of from 500 to 3,000 Pa·s at 25° C. is used as the curable resin composition for forming a seal part to form an uncured seal part 12 enclosing the periphery of a liquid material (curable resin composition 14 for forming a resin layer) interposed between a first plate (display device 50) and a second plate (transparent plate 10).

Abstract: The present invention relates to the development and fabrication of thin-film polymer nanocomposites containing vertically aligned nanomaterials, such as single-walled carbon nanotubes (SWNTs). In certain embodiments, the present invention utilizes liquid crystal mesophases of hexagonally packed cylindrical micelles that orient with their long axes parallel to an applied magnetic field, thereby directing the alignment of the nanomaterials, such as SWNTs, sequestered in the micellar cores. In certain embodiments, the mesophase may be a stable, single-phase material containing monomers that can be polymerized after nanotube alignment to form the nanocomposite polymer.

Abstract: Macro-photoinitiators having defined polymer chain structure are provided. The macro-photoinitiators are terminated with residues of thiol and/or hydroxyl functional photoinitiators. The macro-photoinitiators may be prepared by controlled radical polymerization methods, such as atom transfer radical polymerization and single electron transfer polymerization methods. Also provided are curable (e.g., photocurable) compositions that include the macro-photoinitiators of the present invention.

Abstract: A flexographic printing ink for use in a flexographic printing process with wet on wet capability, comprising a polymer and a combination of liquids comprising radiation curable monomers and/or oligomers, diluents, colorants, additives, and photoinitiators, the components having the Hansen Solubility Parameters adjusted to generate an ink with a capability to form a gel having the required physical characteristics, and that is in a liquid form in the presence of a small quantity of non reactive solvent, or is brought to a liquid state during the printing process. The disclosure is also directed to a flexographic printing process with wet on wet capability based on controlled polymer or polymer segment precipitation that leads to gel formation of ink compounds by controlling the solubility parameter of the ink system.

Abstract: The invention relates to a photosensitive resin composition, and an overcoat and/or spacer for a liquid crystal display component formed thereby has good heat-resistant transmittance, good chemical resistance and good elastic recovery rate. The invention also provides a method for forming a thin film on a substrate, a thin film on a substrate and a liquid crystal display component.

Abstract: The present invention provides aqueous emulsion polymers comprising (A) monomers A (B) at least one (meth)acrylate with olefinically unsaturated side groups (monomers B), and (C) at least one photoinitiator, and also the use thereof in coating materials, more particularly in exterior architectural paints.

Abstract: Ultraviolet curable compositions are disclosed that can be applied to achieve a uniform gloss after curing even under conditions of varying ultraviolet intensity during curing, that do not require continuous agitation to keep flattening agents and other additives suspended prior to application of the composition, and/or which do riot exhibit a significant increase in viscosity over time in a roll coater application.

Abstract: The invention relates to a two-component or multicomponent system for producing a dental material, to the use of the system for producing a dental material.

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 partially cured composition exhibits excellent wet out characteristics as reflected in a tan delta value of at least 0.4, preferably greater than 0.5, more preferable greater than 0.6 as measured at 20° C. resulting from a first curing stage, and the fully cured composition exhibits an improved stiffness and temperature resistance as reflected in a storage elastic modulus of at least 175,000 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 present invention relates to an aminimide compound having a structure represented by the following general formula (I) in the molecule thereof, relates to a curable composition using the aminimide compound and relates to a method for curing the composition; in which R0 represents a hydrogen atom, an alkyl group which may have an optional substituent, an aryl group which may have an optional substituent, or a heterocyclic residue which may have an optional substituent. R1, R2 and R3 each independently represent a hydrogen atom, or an optional substituent. However, at least two of R1, R2 and R3 may bond to each other to form a cyclic structure.