Abstract: The invention includes embodiments that relate to a method of improving the abrasion resistance of a plastic article. The method comprises: (a) providing a composition comprising at least one e-beam active nanoparticle compound and at least one thermoplastic polymeric material; (b) forming an article from the composition of step (a); and (c) exposing the article formed in step (b) to an electron beam source. The invention also includes embodiments that relate to an article comprising an abrasion resistant surface.

Abstract: The present invention generally provides implantable articles and methods of forming implantable articles from a crosslinked ultrahigh molecular weight polyethylene (“UHMWPE”) blend stabilized with Vitamin E. The crosslinked UHMWPE blend may be prepared by combining the UHMWPE material and vitamin E prior to irradiating the UHMWPE blend with electron beam radiation at a sufficient radiation dose rate to induce crosslinking. The crosslinked UHMWPE blend may be incorporated into a variety of implants, and in particular, into endoprosthetic joint replacements.

Abstract: There is provided an ink composition that includes a compound represented by the following formula (I) and that includes a single oxirane fragment, as a partial structure in at least one bicyclic or tricyclic ring, wherein, in the formula (I), A represents a group of atoms forming a bicyclic or tricyclic ring.

Abstract: An ink used preferably in jet ink devices includes an ink vehicle, the ink vehicle being made up either (a) a first component curable by a first polymerization route and an associated photointiator, and a second component curable by a second polymerization route and as associated photoinitiator, wherein the second polymerization route is different from the first polymerization route, or (b) a component curable by a single polymerization route with a first and a second photoinitiator system in which the first system responds to longer wavelengths. An image may be formed by such inks by jetting onto a transfer member surface, curing the first component or partially curing the single component while upon the transfer member surface, transferring the ink to an image receiving surface, and completing curing. The first component is preferably curable via cationic polymerization and the second component is preferably curable via free radical polymerization.

Abstract: This invention relates to a printing ink set. The ink-jet ink set comprises a plurality of ink-jet inks, each ink being substantially free of water and volatile organic solvents, having a viscosity of 100 mPas or less at 25° C., and comprising at least one radiation-curable monomer, a photoinitiator, and a colorant, wherein the set includes a cyan ink, a magenta ink, a yellow ink, a black ink, and one or more of an orange ink, a green ink and a violet ink. The ink set may also include light CYMK inks. An eight ink set comprising cyan, magenta, yellow, black, orange, green, violet and light magenta inks is also disclosed.

Abstract: A curable composition containing a lake dye having an absorption maximum in the wavelength region of from 700 nm to 1100 nm and a thermosetting compound and/or a photo-setting compound; a solid imaging device installing therein a filter prepared using the curable composition; and a lake dye represented by the following formula (V): wherein L1 represents a methine chain composed of odd number(s) of methine group(s); A1 and A2 are each independently represents an alkyl group having a sulfo group; Y represents a cation necessary to balance a charge and selected from the group consisting of alkali earth metal ions (Mg2+, Ca2+, Ba2+, Sr2+), transition metal ions (Ag+, Fe+, Co2+, Ni2+, Cu2+, Zn2+) and (Al3+).

Abstract: The present invention provides a curable composition comprising a compound having a partial structure represented by the following formula (I) and a partial structure represented by the following formula (II): wherein in formula (I), A represents a group capable of forming a four- or more-membered bivalent alicyclic alkyl group with neighboring carbon atoms; and in formula (II), R1 represents an alkylene, a cycloalkylene, or an arylene group, and n represents an integer of 1 or more.

Abstract: The present invention provides: a pigment dispersion composition including (A) an organic pigment, (B) a pigment derivative represented by Formula (I) below and (C) a polymer compound having a pigment-adsorptive functional group; a curable color composition including the pigment dispersion composition, a polymerizable compound and a polymerization initiator; and a color filter having a color region formed using the curable color composition and a method for producing the same. Q represents an organic colorant residue; A represents an ethylene group or the like; and R represents a hydroxyl group or a group represented by —NH-A-Z; Z represents —SO3H, —COOH or a salt thereof; and n represents an integer of from 1 to 4. When R represents —NH-A-Z, the structures represented by the two —NH-A-Zs bonded to the triazine ring contained in each of the n partial structures bonded to Q may be the same as each other or different from each other.

Abstract: The invention provides an ink composition which includes a polymerization initiator, a polymerizable compound, a colorant, and a high molecular compound having a repeating unit represented by the following formula (I). In formula (I), n represents an integer of from 1 to 5.

Abstract: A photo curable ink composition set, comprising: an ink composition A that includes at least a color material, a polymerizable compound, and a radical polymerization photoinitiator; and an ink composition B that includes at least a radical polymerizable compound and does not include the color material and the radical polymerization photoinitiator, wherein the ink composition A and/or B includes a sensitizer.

Abstract: The invention provides a radiation-curable ink composition for inkjet recording, the ink composition containing at least: a specific azo compound, a tautomer of the azo compound, a salt of the azo compound, a salt of the tautomer, a hydrate of the azo compound, a hydrate of the tautomer, or any combination thereof; a polymer dispersant; a radical polymerizable compound; and a radical polymerization initiator. The invention further provides an inkjet recording method including ejecting and curing the ink composition. The invention further provides a printed matter formed by the inkjet recording method.

Abstract: Non-aqueous, radiation-curable inks comprising pigment, dispersant and a liquid carrier, wherein the pigment has an acid value greater than 8 mg of NaOH per gram of pigment. The inks are particularly suitable for use in ink jet printers.

Abstract: Coating compositions suitable for UV imprint lithographic applications are disclosed that include at least one vinyl ether crosslinker having at least two vinyl ether groups; at least one diluent comprising a monofunctional vinyl ether compound; and at least one photoacid generator soluble in a selected one or both of the at least one monofunctional ether compound and the at least one vinyl ether compound, wherein the at least one monofunctional ether compound and the at least one vinyl ether compound are free from fluorine and silicon substituents. Also disclosed are imprint processes.

Abstract: The present invention relates to a photosensitive resin composition, and more particularly, to a photosensitive resin composition for forming an over coating layer of a color filter. The photosensitive resin composition according to the present invention includes a UV absorber. The photosensitive resin composition according to the present invention adjusts line width and height of a pattern without difficulty, forms a linear pattern, provides good transmittance and is adequate to form the over coating layer of the color filter.

Abstract: An adhesive composition that is capable of achieving a superior combination of process characteristics such as adherend fill properties (embedability) and low-temperature lamination properties, and semiconductor device reliability such as reflow resistance, as well as a film-like adhesive, an adhesive sheet that exhibits excellent process characteristics including ready releasability from dicing sheets, and a semiconductor device that exhibits excellent productivity, superior adhesive strength when heated and superior moisture resistance, all of which use the adhesive composition. The adhesive composition comprises (A) a thermoplastic resin, (B) a bisallylnadimide represented by a general formula (I) shown below, and (C) a bifunctional or higher (meth)acrylate compound. (wherein, R1 represents a bivalent organic group containing an aromatic ring and/or a straight-chain, branched or cyclic aliphatic hydrocarbon).

Abstract: The present subject matter relates to processes for irradiating visbroken propylene polymer compositions or extrudates of propylene polymer compositions containing a propylene polymer having a low polydispersity index and a non-phenolic stabilizer.

Abstract: Ink deposited on a substrate by an ink-jet arrangement to form a protective layer includes hardenable oligomer, hardenable monomer selected from a group including alkoxylated and/or poly-alkoxylated acrylic monomers comprising one or more di- or tri-acrylates, and a photoinitiator. The oligomer has a room temperature viscosity greater than 1 Pa·s. The oligomer to monomer weight ratio is between 1/6 and 1/25. The ink has a room temperature viscosity between 15 and 22 mPa·s and between 5 and 2 mPa·s at 60° C., and a room temperature surface tension between 15 and 28 mN/m. The photoinitiator is activated by a UV source having an appropriate wavelength and intensity.

Abstract: An ultraviolet (UV) curable ink having infrared (IR) sensitivity includes a UV light curable matrix, a UV photoinitiator, and an IR sensitive dye.

Abstract: The present invention is directed to a photocation-curable ink, an object of which is to improve the adhesion performance with respect to a recording medium without deteriorating the hardness of an ink coating film irrelevant to the type of a photopolymerization initiator. The photocation-curable ink according to the present invention uses a 2,2,6,6-tetramethylpiperidine 1-oxyl free radical or a compound including a 2,2,6,6-tetramethylpiperidine 1-oxyl free radical structure; wherein molar concentration of the 2,2,6,6-tetramethylpiperidine 1-oxyl free radical or the 2,2,6,6-tetramethylpiperidine 1-oxyl free radical structure in the ink is 19.6 mM to 39.2 mM. Accordingly, it is possible to obtain the photocation-curable ink having the high adhesion performance with respect to the printing medium.

Abstract: The invention relates to novel photoinitiators of formula (I) wherein each of the substituents is given the definition as set forth in the Specification and the claims. The photoinitiators can be used to prepare multifunctional photoinitiators.

Abstract: The invention relates to a radiation curable coating or an ink composition comprising a photoinitiator and a stabilizer blend of a sterically hindered nitroxyl radical and a quinone methide.

Abstract: A photosensitive resin composition which is effective in avoiding troubles in the step of plating with various metals in printed wiring board production, such as under-film metal deposition and film peeling, and which forms a wiring-protecting film excellent in adhesion, flexibility, insulation reliability, and heat resistance. The photosensitive resin composition comprises (A) a carboxylated polymer, (B) a compound having at least two photopolymerizable unsaturated double bonds, (C) a photopolymerization initiator, and (D) a nitrogen compound represented by a specific feature.

Abstract: An ink composition is provided that includes a cationically polymerizable compound (a), a compound (b) that generates an acid when exposed to radiation, a colorant (c), and a salt of a weak acid having a pKa of 4 to 8 (d). There is also provided an inkjet recording method that includes a step of discharging the ink composition onto a recording medium, and a step of irradiating the discharged ink composition with radiation so as to cure the ink composition.

Abstract: An ink composition is provided that includes a compound represented by Formula (I) or (II). (In Formulae (I) and (II), R1 and R2 independently denote a monovalent substituent, R3 to R6 independently denote a hydrogen atom or a monovalent substituent, n denotes an integer of 0 to 5, and n? denotes an integer of 0 to 5; n and n? are not both 0, when n is 2 or greater a plurality of R1s may be identical to or different from each other, and when n? is 2 or greater a plurality of R2s may be identical to or different from each other.) There are also provided an inkjet recording method employing the ink composition, and a process for producing a lithographic printing plate, the process including discharging the ink composition onto a hydrophilic support. A printed material and a lithographic printing plate thus obtained are also included in the present invention.

Abstract: Compounds of the Formula (I), (II) and (III) wherein Ar is for example phenylene, biphenylene or naphthylene, all of which are unsubstituted or substituted by C1-C4-alkyl, C2-C4-alkenyl, CN, OR11, SR11, CH2OR11, COOR12, CONR12R13 or halogen; R1, R2, R7 and R8 independently of one another other are hydrogen or C1-C6-alkyl; R3 and R5 together and R4 and R6 together form a C2-C6-alkylene bridge which is unsubstituted or substituted by one or more C1-C4-alkyl; R11 is hydrogen or C1-C6-alkyl; R12 and R13 independently of one another for example are hydrogen, phenyl, C1-C18-alkyl, C1-C18-alkyl which is interrupted by one or more O; n is 1-10; X is O, S or NR10; A and A1 are suitable linking groups; are suitable as photolatent bases.

Abstract: Disclosed is an ultraviolet-curable inkjet ink set composed of a yellow ink, a magenta ink and a cyan ink, respectively containing a pigment, a reactive monomer and/or a reactive oligomer and a photopolymerization initiator. This ultraviolet-curable inkjet ink set is characterized in that the yellow ink contains at least a bismuth vanadate compound or iron oxide, the magenta ink contains at least iron oxide or a condensed polycyclic compound and the cyan ink contains at least a phthalocyanine compound, as their respective pigments. Also disclosed is a colored board for outdoor use, which is printed by using the ink set. The inkjet ink set realizes high-concentration printing, and enables to obtain a brilliant printed matter excellent in color presentation and weather resistance.

Abstract: An ink composition including a cationically polymerizable compound (a), a compound (b) that generates acid by irradiation with a radiation ray, and a basic compound (c) that becomes less basic by irradiation with a radiation ray. Also, an inkjet recording method and a printed material using the ink composition, as well as a planographic printing plate obtained by using the ink composition and a method of producing the planographic printing plate are disclosed.

Abstract: A method of producing a phthalocyanine pigment nano-sized particle dispersion, containing: mixing a phthalocyanine compound solution of a phthalocyanine compound dissolved in an acid or a good solvent containing an acid, with an organic solvent that is a poor solvent with respect to the phthalocyanine compound, to prepare a mixed liquid in which a phthalocyanine compound crystal is formed, wherein a phthalocyanine compound crystal having one crystalline form selected from the group consisting of ?, ?, ?, ?, ?, ?, ?, A, B, X, Y, and R is added to the organic poor solvent or the mixed liquid, thereby producing the thus-formed phthalocyanine compound crystal having the same crystalline form as that of the added phthalocyanine compound crystal, and wherein an additive having a mass average molecular weight of 1,000 or more is incorporated therein.

Abstract: Radiation curable compositions, such as UV curable ink compositions, contain a polymeric dispersant, a curable material, and a nanoscale pigment particle composition including an organic monoazo laked pigment including at least one functional moiety, and a sterically bulky stabilizer compound including at least one functional group, wherein the functional moiety of the pigment associates non-covalently with the functional group of the stabilizer; and the presence of the associated stabilizer limits the extent of particle growth and aggregation, to afford nanoscale-sized pigment particles.

Abstract: A radiation curable phase change ink preferably used in piezoelectric ink jet devices includes an ink vehicle that includes at least one gellant comprised of a curable polyamide-epoxy acrylate component and a polyamide component, and at least one colorant. The use of the gellant enables the ink to form a gel state having a viscosity of at least 103 mPa·s at very low temperatures of about 25° C. to about 100° C. The ink may thus be jetted at very low jetting temperatures of, for example, about 40° C. to about 110° C. The ink may be used to form an image by heating the ink to a first temperature at which the ink may be jetted, jetting onto a member or substrate maintained at a second temperature at which the ink forms a gel state, and exposing the ink to radiation energy to polymerize curable components of the ink.

Abstract: The present invention relates to a resin composition for optical components, which is an ultraviolet-curable transparent resin composition used as a material for an optical component, in which the resin composition includes (A) an epoxy resin having two or more epoxy groups in one molecule thereof, (B) an oxetane compound having one or more oxetanyl groups in one molecule thereof and (C) a photo-acid generator, and in which the component (C) is contained in an amount of 0.01 to 2.0 parts by weight based on 100 parts by weight of a total amount of the components (A) and (B). The present invention also relates to an optical component obtained by using the resin composition for optical components, and a production method thereof.

Abstract: An ink composition is provided that includes (A) an acid-generating compound having an anion represented by any one of Formulae (I) to (XI), (B) a cationically polymerizable compound, and (C) a colorant. (In the formulae, R1 to R3 independently denote a monovalent organic group, Rb1 to Rb3, Rf1, and Rf2 independently denote a perfluoroalkyl group, a perfluoroaryl group, or an aryl group substituted with at least one fluorine atom or perfluoroalkyl group, X1 to X3 independently denote a monovalent organic group, and Y1 denotes a hydrogen atom or a monovalent organic group.

Abstract: A photocurable ink composition includes: a polymerizable compound; a radical photopolymerization initiator; a hindered amine compound; and a metallic pigment, the polymerizable compound including an active hydrogen-containing functional group.

Abstract: Inks are disclosed which are used in ink-jet printing. The inks are cured by ultraviolet radiation, preferably free radical initiation. The inks contain a (meth)acryate monomer, an ?,?-unsaturated ether monomer and a photoinitiator. The inks exhibit a low viscosity and give tough printed images after curing.

Abstract: The invention provides a colorant-containing curable composition including a colorant and a solvent, wherein the colorant includes a compound represented by Formula (I) and/or a tautomer thereof, and the solvent includes at least one selected from the group consisting of cyclohexanone, cyclopentanone, propyleneglycol methyl ether, propyleneglycol methyl ether acetate, a lactate ester, and diacetone alcohol. The invention further provides a color filter manufactured by using the colorant-containing composition and a manufacturing method of the color filter.

Abstract: The present invention is directed to ultraviolet cured coating compositions. More specifically, the present invention is directed to urethane/acrylic coating compositions that contain additives for the absorption of ultraviolet radiation and the reflection of infrared radiation and which are UV cured.

Abstract: Novel blends of photo-initiators and photo-absorbers are disclosed. By the proper selection of the type and amount of absorber and initiator used in a composition, it is possible to regulate the conditions under which photo-induced reactions occur. In a specific embodiment, blends of UV initiators and photoabsorbers are used to control the conditions under which UV initiated polymerization occurs.

Abstract: The invention relates to a radiation curable coating or an ink composition comprising a photoinitiator and a stabilizer blend of a sterically hindered nitroxyl radical and a quinone methide.

Abstract: An ink that may be used in ink jet devices is a photochromic ink comprising an ink vehicle that includes at least one radiation curable component, at least one photochromic material and at least one photoinitiator. The ink is cured via exposure to radiation that cures the at least one radiation curable component of the ink. A radiation curable ink capable of exhibiting photochromatic color changes, which may be used to indicate a document's authenticity, is thus achieved.

Abstract: A UV radiation curable primer coating composition curable under a UV radiation emitting lamp or sunlight. The coating demonstrates improved curing time and includes ethylenically unsaturated free radically polymerizable compounds and 0.1% photoinitiator or less.

Abstract: The present invention relates to a crosslinkable composition for paint products comprising: a) at least one acrylic oligomer that is crosslinkable through the combined action of heat and UV radiation; b) at least one acrylic oligomer that is crosslinkable through exposure to UV radiation alone; c) at least one acrylic monomer that is crosslinkable through exposure to UV radiation; d) at least one photoinitiator agent; e) at least one additive. The invention also relates to a thermo-crosslinkable paint product added with the aforementioned component, and a process for painting substrates of various natures, preferably car bodies and automotive parts thereof.

Abstract: Disclosed is a sealing agent for photoelectric converters which enables to easily bond upper and lower conductive supporting bodies during production of a photoelectric converter while forming a sealed portion having excellent adhesion strength, moisture resistance reliability, flexibility and the like. Specifically, a photocuring and thermosetting resin composition containing an epoxy resin (a), a thermosetting agent (b), an epoxy(meth)acrylate (c) and a photopolymerization initiator (d), and additionally if necessary, a filler (e), a silane coupling agent (f) and an ion capturing agent (g) is used as a sealing agent for photoelectric converters.

Abstract: The invention relates to photopolymerizable compositions containing an oxonol dye, which compositions cure by exposure to ultraviolet and/or visible radiation and whose visible color is substantially reduced during exposure. More particularly, the invention pertains to photopolymerizable compositions comprising a pyridin-2,6-dione oxonol dye in an admixture of a polymerizable component and a photopolymerization initiator. Such compositions find use as adhesives, coatings, and the like. The disappearance of the visible color of the oxonol dye acts as an indicator of full cure of a photopolymerizable composition.

Abstract: The present invention is directed to a photocurable and antistatic resin composition for coating an optical fiber, comprising (A) a photopolymerizable urethane acrylate oligomer, (B) a reactive monomer having at least one (meth)acrylate or vinyl group, (C) a photoinitiator, and (D) an antistatic agent compatible with the oligomer and monomer components, and optionally (E) a pigment or dye. The coating of the inventive composition can increase the productivity of the optical fiber, and provide an optical fiber having a uniform coating layer.

Abstract: The invention provides a photo-curable composition that addresses degradation in dispersibility caused by the use of a pigment, and has good color tone and high light fastness. The photo-curable composition includes: a polymerizable compound; a polymerization initiator; and a dye represented by Formula (1): in which, A1, A2 and A3 each represent a monovalent group, and Z represents a nitrogen atom, an oxygen atom, a sulfur atom, or a monovalent group-bonded carbon atom, the dye represented by Formula (1) having two azo groups in a molecule thereof.

Abstract: The present invention is to provide a latent curing type epoxy resin composition which comprises (A) 100 parts by weight of an epoxy resin, (B) 5 to 25 parts by weight of a cation polymerization photo initiator, and (C) 5 to 35 parts by weight of at least one heatset anion curing agent selected from the group consisting of an epoxy adduct with an amine compound, a urea adduct with an amine compound and a compound in which an isocyanate compound is added to a hydroxyl group of an epoxy adduct with an amine compound.

Abstract: Disclosed are environmentally friendly, substantially all solids coating compositions which are curable using ultraviolet and visible radiation. In certain embodiments, the disclosed coating compositions are suitable for coating flexible objects and/or objects having angular features, such as, but not limited to, flexible metal objects with angular features. In other embodiments, the cured coatings have improved slip properties and at least 6 H hardness. Such embodiments can served as substitutes for “hard chrome” coatings, TEFLON® coatings, coatings comprising TEFLON®, or TEFLON® like coatings. In addition, methods are disclosed for coating surfaces, or at least a portion of the surfaces, and curing of the coated surface to obtain partially or fully cured coated surfaces. Furthermore, articles of manufacture incorporating fully cured coated surfaces are disclosed, including, for example leaf springs, hydraulic rods and cylinders.

Abstract: Disclosed is a method of producing a thin film transistor substrate having high light sensitivity, heat-resistance, impact resistance, and a photosensitive composition used by the same, the method including forming data wires on an insulating substrate, forming an organic insulating film on the data wires by applying a photosensitive composition comprising a terpolymer, where the terpolymer is derived from monomers of an unsaturated carboxylic acid, an unsaturated carboxylic acid anhydride, or a mixture thereof, an unsaturated epoxy group-containing compound, and an olefinic compound.

Abstract: Compositions suitable for support in building a three-dimensional object are described. The compositions may include a non-curable component and a curable component not reactive with the non-curable component. The composition may further include a surface-active agent and a stabilizer, wherein the composition has a first viscosity of about 20-500 cps at ambient temperature, and a viscosity lower than 20 cps at a temperature higher than the ambient temperature. After irradiation, the composition results in a solid, a semi-solid or liquid material.

Abstract: Radiation curable ink compositions for ink jet contain radiation curable monomers containing vinylether and acrylate functions.