Abstract: A colored photopolymerizable composition including a pigment, a dispersant, a solvent, a polymerizable compound and a photopolymerization initiator, the solvent further including a solvent (A) having a boiling temperature of from 100° C. to 200° C. and a solvent (B) having a boiling temperature of from 150° C. to 330° C. and an SP value according to the Okitsu method of from 9.5 (cal/cm3)1/2 to 11(cal/cm3)1/2, the solvent (B) being included in an amount of at least 5 parts by mass with respect to 100 parts by mass of the colored photopolymerizable composition; a color filter using the colored photopolymerizable composition; and a method for producing a color filter.

Abstract: The present invention discloses a method for fabricating an electroluminescent lamp that includes a step in which an electroluminescent active layer is formed by curing a UV curable electroluminescent composition. Embodiments of the method of the present invention in which each layer of a multilayer electroluminescent device are fabricated from UV curable compositions are also disclosed. A UV curable dielectric composition suitable for utilization in an electroluminescent lamp is also provided.

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 antioxidant doped UHMWPE in a super critical fluid, and materials used therein.

Abstract: There is disclosed an ink jet recording apparatus comprising a color ink container having a capacity V1 accommodating therein a solvent polymerizable in the presence of an acid and a colorant, a reaction liquid container having a capacity V2 (V2<V1) accommodating therein a reaction liquid comprising a solvent, and a photo-acid generating agent capable of generating an acid when irradiated with light, an stirring container mixing the color ink and the reaction liquid at a mixing ratio of S1:S2 (the color ink:the reaction liquid) to prepare a recording ink, a color ink supply means feeding the color ink to the stirring container, a reaction liquid supply means feeding the reaction liquid to the stirring container, an ink jet recording head ejecting the recording ink to a recording medium, and a supply tube feeding the recording ink to the recording head.

Abstract: A photopolymerizable composition including a cationically polymerizable compound and a cation generating agent represented by formula (1): D-L-A ??Formula (1) wherein D represents a light absorption part that shows an absorption having an absorption coefficient of 1000 or more in a wavelength range of 300 nm or longer; A represents an active part which interacts with the light absorption part D to generate a cation when the light absorption part D is excited by light; and L represents a linking group which links the light absorption part D with the active part A.

Abstract: In a cationically curable composition comprising an epoxide, a cationic photoinitiator and a cyclic carbonate, we have found that the use of higher levels of cyclic carbonate than have been used hitherto can lead to much enhanced cure speed and post-cure.

Abstract: The present invention relates to a photosensitive resin composition and a color filter prepared therefrom, and more particularly to a photosensitive resin composition comprising a zinc-containing, phthalocyanine-based green pigment with superior brightness improvement effect and a color filter prepared therefrom. The photosensitive resin composition of the present invention provides improved developability and chemical resistance, together with outstanding improved brightness.

Abstract: An actinic radiation curable magenta ink composition containing a quinacridone series pigment, a dispersing agent, a photo-polymerizable compound and a photo-polymerization initiator, wherein a surface of a coated layer with the magenta ink composition on a porous medium exhibits a 60°-glossiness defined in JIS 5600 in the range of 95 to 140, provided that the coated layer is formed by coating the magenta ink composition with a bar coater on the porous medium having a void ratio of 50 to 70% and a 60°-glossiness defined in JIS K 5600 of 30 or more, and then standing still for 30 minutes.

Abstract: A telecommunication element having a durable color identifying polymeric coating thereon is disclosed. The telecommunication element comprises an elongated communication transmission medium, such as an optical fiber or an optical fiber ribbon, and a radiation cured polymeric coating having an identifying color applied on at least a portion of the transmission medium. The identifying color in the polymeric coating is provided by chromophore molecules that are covalently bonded thereto. Coating compositions and a method are also disclosed.

Abstract: A two-part curable ink composition set includes an ink composition A which contains at least a photopolymerization initiator and a polymerizable compound and which does not contain a coloring material, and an ink composition B which contains at least a coloring material and a polymerizable compound and which does not contain a photopolymerization initiator, wherein either one or each of the ink composition A and the ink composition B contains a resin emulsion dispersed in the polymerizable compound.

Abstract: The invention relates to di- and tri-carboxylic acid compounds and polyester oligomers and polymers made therefrom. Curable compositions comprising the polyester oligomers and polymers are also described.

Abstract: A radiation curable resin composition suitable for making three dimensional objects comprises at least one epoxy compound, and a cationic photoinitiator, wherein the resin composition has a first color or no color before cure and wherein a three dimensional object made from the resin by subjecting the resin to radiation shows a second color which is different from the color of the resin composition before cure.

Abstract: There is provided an inkjet ink comprising a photo-acid generating agent which is capable of generating an acid as it is irradiated with light, a color component, and an acid-polymerizable compound which can be polymerized in the presence of an acid, wherein at least 40% of the acid-polymerizable solvent is a vinyl ether compound represented by the following general formula (1): R13—R14—(R13)p ??(1) (Wherein R13(s) is a group selected from the group consisting of a vinyl ether group, a group having a vinyl ether skeleton, an alkoxy group, substituted hydroxyl group and hydroxyl group wherein at least one of R13(s) is vinyl ether group or a group having a vinyl ether skeleton, R14 is a group comprising a substituted or unsubstituted cyclic skeleton and having a valence of (p+1), and p is a positive integer including zero).

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)acrylate monomer, an ?,?-unsaturated ether monomer and a photoinitiator. The inks exhibit a low viscosity and give tough printed images after curing.

Abstract: Disclosed is a radiation curable ink containing a fluorescent material that upon exposure to activating energy fluoresces such that an image that was not visible prior to exposure to the activating energy becomes visible. Also disclosed are an ink jet system and a process printing the disclosed radiation curable ink.

Abstract: According to the present invention, there is provided a curable composition, containing a compound (A) having at least one ethylenically unsaturated double bond, a photopolymerization initiator (B), a coloring agent (C), an alkali-soluble resin (D), and a compound (E) having in the molecule a partial structure of urethane, amide or urea.

Abstract: A composition comprising one or more radiation curable monomers and/or oligomers and one or heat stable composition comprising at least one radiation-curable alpha, beta-ethylenically unsaturated compound, at least one phenolic stabilizer, and at least one non-phenolic stabilizer selected from the group consisting of hydroperoxide decomposers and free radical traps. The compositions and methods are useful in applications such as radiation curable ink jet systems where viscosity is reduced by heating.

Abstract: A photocurable ink for ink-jet printing, including: a photopolymerizable compound; a pigment; and a dispersing agent, wherein the photopolymerizable compound is a radical polymerizable compound; an amine value of the pigment (AMp) is larger than an acid value of the pigment (ACp); and an acid value of the dispersing agent (ACd) is larger than an amine value of the dispersing agent (AMd).

Abstract: An active ray curable ink-jet ink composition comprising: (i) a colorant; and (ii) a set of (I) or a set of (II), wherein the set of (I) contains: (a) a photopolymerizable alicyclic epoxy compound; and (b) a diol compound contained in a specific amount; and the set of (II) contains: (a) a photopolymerizable oxetane compound; (b) a photopolymerizable epoxy compound; and (c) a diol compound contained in a specific amount.

Abstract: An active energy ray curable ink which is quickly polymerized by an active energy ray, high in crosslinking degree of a cured material formed, excellent in adhesive property, low in viscosity, excellent in long-term storability and also excellent in ejection stability, and an ink-jet recording process, an ink cartridge, a recording unit and an ink-jet recording apparatus using such an ink are provided. In the active energy ray curable aqueous ink comprising at least water and a polymerizable material which is radically polymerized by an active energy ray, the polymerizable material is a water-soluble polymerizable material represented by the following general formula (I).

Abstract: A process for producing intraocular lenses (IOLs) capable of absorbing blue light and ultraviolet light using photo curing. Intraocular lenses so produced block blue light and ultraviolet light from reaching the retina of an eye implanted with the IOL. By blocking blue light and ultraviolet light from reaching the retina, the IOL thereby prevents potential damage to the retina.

Abstract: To provide a radiation-curable ink composition that can form a high-quality image on not only liquid absorbing materials to be recorded but also non-liquid absorbing materials to be recorded, is superior in curing properties in air, and is superior in storage stability, color tone, light fastness and water resistance of ink, and also to provide an image recording method. The radiation-curable ink composition comprises a monomer having a polymerizable group selected from the group consisting of an acryloyl group, a methacryloyl group, an allyl group, and a vinyl group, an oil-soluble dye, and from 0.005 to 1% by weight of a storage stabilizer, wherein the oil-soluble dye is dissolved in the ink.

Abstract: Disclosed are environmentally friendly, substantially all solids coating compositions which are curable using ultraviolet and visible radiation. In addition, 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 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. Also disclosed are methods, processes, production lines, articles of manufacture, and factories which incorporate these environmentally friendly, substantially all solids coating compositions curable using ultraviolet and visible radiation.

Abstract: Compositions for use in the manufacture of three-dimensional objects including compositions for use as a support and/or release material in the manufacture of the three-dimensional objects are provided. There is thus provided, in accordance with an embodiment of the present invention, a composition suitable for building a three-dimensional object. The compositions may include, inter alia, a curable component, having a functional group, wherein if the functional group is a polymerizable reactive functional group, then the functional group is a (meth)acrylic functional group, a photo-initiator, a surface-active agent and a stabilizer; wherein said composition has a first viscosity of about 50–500 cps at a first temperature, wherein said first temperature is ambient temperature, and a second viscosity lower than 20 cps at a second temperature wherein said second temperature is higher than said first temperature, wherein, after curing, the composition results in a solid form.

Abstract: Photo-curable coating formulations which comprise a durable and/or red-shifted reactable hydroxyphenylbenzotriazole ultraviolet light absorber (UVA) are effectively photocured employing a combination of ?-hydroxy ketone and bisacylphosphine oxide photoinitiators. The reactable UVA's are reacted into the coating upon curing. The combination of the photoinitiators bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide and 1-hydroxycyclohexylphenylketone is especially effective for this purpose.

Abstract: A radiation-curable fiber optic coating composition for an inner primary coating includes a coloring agent, preferably a dye or a dye precursor, compatible with the fiber of the fiber optic and capable of imparting a pre-selected color to the inner primary coating, or another coating. The coloring agent can be a reactive dye. Any of the dyes preferably is stabilized by a stabiliser in the colored coating layer, or, preferably, in a more exterior layer.

Abstract: A radiation-curable fiber optic coating composition for an inner primary coating includes a coloring agent, preferably a dye or a dye precursor, compatible with the fiber of the fiber optic and capable of imparting a pre-selected color to the inner primary coating, or another coating. The coloring agent can be a reactive dye. Any of the dyes preferably is stabilized by a stabilizer in the colored coating layer, or, preferably, in a more exterior layer.

Abstract: Disclosed are an actinic ray curable composition, an actinic ray curable ink, an image recording method, and an ink jet recording apparatus, the actinic ray curable composition containing a photo acid generator, and an oxetane compound I represented by the following formula 1, wherein R1, R2, R3, R4, R5, and R6 independently represent a hydrogen atom, a fluorine atom, an alkyl group having from 1 to 6 carbon atoms, a fluoroalkyl group having from 1 to 6 carbon atoms, an allyl group, an aryl group, a furyl group or a thienyl group, and wherein the longer C—O bond distance of the two C—O bond distances in formula 1 is from 0.1464 to 0.1500 nm.

Abstract: A radiation-curable composition which includes a cyanoacrylate component or a cyanoacrylate-containing formulation; a metallocene component; a photoinitiator; and a luminescent and/or fluorescent dye.

Abstract: A dye-containing curable composition contains at least an alkali soluble resin, a dye, and a photosensitive compound, the dye being a phthalocyanine compound represented by the following general formula (I): M-Pc-(Y)l ??General Formula (I) wherein M represents a metallic atom, a metallic oxide, a metallic chloride or a hydrogen atom; Pc represents a phthalocyanine skeleton; Y represents a fluorine-substituted alkoxy group; and l denotes an integer from 1 to 8.

Abstract: The ink comprises a coloring component, a reactive oligomer and/or a reactive prepolymer, a reactive diluent and a photoinitiator, wherein the reactive oligomer and/or reactive prepolymer unit and the reactive diluent unit have a glass transition point of 0° to 70° C., respectively, in a polymer obtained therefrom. In the present invention, a cured film excellent in adhesion to materials and scratch resistance is obtained, and an image without blurring is formed in ink jet printing of the ultraviolet ray curable ink. An ultraviolet ray curable ink composition having a viscosity of 60 to 800 cps at 25° C. which comprises a coloring component, a reactive diluent, a photoinitiator and an oligomer and/or reactive prepolymer having compatibility with the reactive diluent is used. The ink composition is heated to 40° to 150° C. and applied to a recording medium and cured by ultraviolet rays.

Abstract: This invention provides a reversibly thermochromic ultraviolet ray-hardening type ink having good color change sensitivity and excellent light resistance and fastness, and a reversibly thermochromic laminate produced using the same. The present invention also provides a reversibly thermochromic laminate produced by forming a reversibly thermochromic layer on a support using the same.

Abstract: A high refractive index, curable, synthetic resin composition comprising a core resin composition composed of a mixture of ethylenically unsaturated compounds, and an initiation system containing both photo and thermal initiators, particularly a photochromic resin composition which further includes at least one photochromic dye. Also a curing process, which includes a combination of multi-step radiation curing and thermal annealing. Articles produced of cured composition exhibit superior physical and, in appropriate cases, photochromic properties and can be easily mass produced on a commercial scale due to short processing time and use of readily available chemicals.

Abstract: The present invention discloses a method for fabricating an electroluminescent lamp that includes a step in which an electroluminescent active layer is formed by curing a UV curable electroluminescent composition. Embodiments of the method of the present invention in which each layer of a multilayer electroluminescent device are fabricated from UV curable compositions are also disclosed. A UV curable dielectric composition suitable for utilization in an electroluminescent lamp is also provided.

Abstract: Radiation-curable ink compositions and methods of printing including the compositions are disclosed. In some embodiments, a radiation-curable hot melt ink composition includes a colorant, a polymerizable monomer, and a photoinitiating system. The photoinitiating system can include 0.5-1.5% by weight of an aromatic ketone photoinitiator, 2-10% by weight of an amine synergist, 3-8% by weight of an alpha-cleavage type photoinitiator, and 0.5-1.5% by weight of a photosensitizer.

Abstract: This invention relates to latent foamable compositions for use in or as adhesives, sealants and/or coatings. The compositions include a curable component or a thermoplastic component, together with a latent foaming agent. In curable versions of the inventive compositions, a cure initiator or catalyst may also be included.

Abstract: Polymerizable compositions for use in or as adhesives, sealants and/or coatings are disclosed herein. The compositions include a (meth)acrylate component together with a dye substantially dissolved in the (meth)acrylate component which imparts a first color to the (meth)acrylate component. Upon curing, a resultant cured composition has a second color. The invention also relates to a method of detecting substantially full cure of the polymerization of the compositions.

Abstract: Certain essentially phenol antioxidant-free stabilizer systems that comprise either a binary hindered amine/hydroxylamine or nitrone or amine oxide or benzofuranone system or a ternary hindered amine/hydroxylamine or nitrone or amine oxide or benzofuranone/organic phosphite or phosphonite system are especially effective towards protecting polyolefins against the deleterious effects of gamma irradiation. Polyolefin articles such as medical packaging, hospital garments, draperies, woven and non-woven fiber products, surgery utensils, blow-molded I.V. bottles, hypodermic syringes, needle shields, laboratory ware such as trays, funnels, Petri dishes and filters, and hygiene related articles may be sterilized with gamma irradiation and are stabilized according to the present invention.

Abstract: The present invention is aimed to produce a cured product having excellent photochromism which can be easily polymerized in a short period of time. The cured product is obtained by photopolymerizing a polymerizable composition comprising (A) a radical polymerizable monomer, (B) an ultraviolet polymerization initiator having the main absorption at an ultraviolet range and a molar absorption coefficient for light having a wavelength of 400 nm of 150 liter/(mol·cm) or more, (C) a thermopolymerization initiator such as a thermopolymerization initiator having a temperature at which the half-life thereof is 10 hours of 60° C. or more and (D) a photochromic compound by irradiating activation energy rays having a wavelength of 400 nm or more as the main emission spectrum, preferably to ensure that the temperature of the cured product does not exceed 50° C., and further thermopolymerizing the composition by heating.

Abstract: Methods of forming crosslinked polymer particles in situ from polymer precursors such as monomers or oligomers, comprising exposing a composition comprising at least one polymer precursor, a solvent or solvent mixture, and an antisolvent or antisolvent mixture to photoradiation under conditions whereby particles are formed are provided. The polymer precursor may be photosensitive, or a separate polymerization initiator may be used. In a preferred embodiment, the polymer precursor is insoluble in the antisolvent or antisolvent mixture and the solvent or solvent mixture is soluble in the antisolvent or antisolvent mixture at the concentrations used. Crosslinked polymer particles and crosslinked polymer particles comprising a polymer and a bioactive material are also provided. The polymer may be erodable, and the polymer particles formed may be used in a variety of applications, including controlled release of bioactive materials such as drugs.

Abstract: A photo-curing ink composition comprises a photocation-polymerizable substance, a photocation polymerization initiator, and a surfactant having a functional group. The surfactant is selected and the amount thereof is adjusted so that the acid value per 100 g of the ink composition is not more than 150 mg KOH. The surfactant is selected and the amount thereof is adjusted so that the amine value per 100 g of the ink composition is not more than 23 mg KOH. The ink composition is excellent in dispersion performance, storage stability, and curing performance.

Abstract: A composition for ink-jet recording is provided. The composition comprises a water miscible resin and a water-soluble ultraviolet curable humectant. The concentration of the water-soluble ultraviolet curable humectant may be in the range of 5% to 50% by weight. Examples of such humectants may include polyalkylen glycol acrylates, polyethers acrylates, and highly ethoxylated derivatives of acrylates.

Abstract: A radiation-curable composition having a reduced surface energy and including a reactive dye containing at least one radiation-curable substituent and at least one fluorine-containing substituent. The reactive dye may include any anthraquinone, methine, azo, azine, or xanthene dye adapted to contain at least one radiation-curable substituent and at least one fluorine-containing substituent. The radiation-curable substituent may include (meth)acrylate, styrene, vinyl ether, vinyl ester, N-substituted acrylamide, N-vinyl amide, maleate ester, and fumarate ester.

Abstract: A radiation-curable composition for use as a base coat in printing on plastic substrates such as polycarbonate. The radiation-curable composition comprises: (i) an ethylenically unsaturated monomer that is capable of being photopolymerized; (ii) a photoinitiator that is capable of initiating the polymerization of the ethylenically unsaturated monomer (i) when irradiated with ultra-voilet light; (iii) an inorganic transfer agent; (iv) an adhesion promoter; and (v) optionally, a pigment. The base coat is suitable for use in printing plastics substrates using electrostatic offset printing.

Abstract: An ultraviolet crosslinking pressure-sensitive adhesive composition showing good pressure-sensitive adhesive characteristics is obtained by using a block copolymer of styrenic polymer component and acrylic polymer component. The pressure-sensitive adhesive composition is produced by conducting living radical polymerization of styrenic monomer and acrylic monomer in a proper order in the presence of a transition metal and its ligand using a polymerization initiator to obtain a block copolymer (a) wherein at least one styrenic polymer block A and at least one acrylic polymer block B are bound to each other and mixing it with a trichloromethyl group-containing triazine derivative (b) or, alternatively, to obtain a block copolymer (a) which contains carboxy precursor groups in the acrylic polymer block B, and converting the precursor groups to carboxyl groups, before or after mixing with the component (b), by heat-treating in the presence of an acid catalyst.

Abstract: The present invention relates to a method for making a heat-resistant elastic article and a heat-resistant elastic article. The invention especially relates to a method of making elastic fibers and polymeric elastic fibers wherein the elastic fibers are capable of withstanding dyeing and heat-setting processes that typically are conducted at elevated temperatures (such as 110-230° C. and especially at greater than or equal to 130° C. for minutes). The inventive method comprises radiation crosslinking an article (or plurality of articles) under an inert or oxygen limited atmosphere (for example, in N2, argon, helium, carbon dioxide, xenon and/or a vacuum) wherein the article (or articles) comprises at least one amine stabilizer and preferably another optional stabilizer additive. More preferably, the radiation crosslinking is performed at a low temperature (−50 to 40° C.).

Abstract: The invention relates to a radiation curable colored coating composition for coloring a coated optical fiber wherein the coating, when disposed and cured to surround an optical fiber coated with an internal coating, and when said colored fiber is coated with a matrix material and assembled into an optical fiber ribbon, said colored coating has a degree of adhesion to the internal coating which is higher than the degree of adhesion to the matrix material and said optical fiber assembled into said optical fiber ribbon shows, upon aging for at least two weeks in water at 60° C., an increase in the attenuation of the transmitted signal at 1550 nm of less than 0.05 db/km with respect to the attenuation of the assembled optical fiber measured before aging. The invention also relates to said colored coating composition when used in an optical fiber ribbon.

Abstract: An electroconductive coating composition which function as a sealer/primer includes (a) a radiation curable, polymerizable compound, (b) a photoinitiator and (c) a conductive pigment. The conductive pigment may be a mixture of pigment including a blend of conductive pigments as well as conductive pigment. Conductivity enhancers may, also, be added. The polymerizable compound is, preferably, a U curable acrylate functional compound which may be monofunctional or polyfunctional. The composition is particularly useful for sealing and priming SMC panels.

Abstract: The present invention relates to a novel photoinitiator system comprising one or more acylphosphine oxide photoinitiators and one or more lightfast red, blue or violet organic pigments. Low yellow color formation results upon curing ethylenically unsaturated compounds with the new photoinitiator system. Particular applications include clear and white coatings, screen inks, gel coats, powder coatings, composites, adhesives and lenses.

Abstract: Radiation curable inks with moderate amounts of solvent with low surface tension provide unique processability characteristics that allow ink jetted features to be formed and cured with excellent flow, adhesion, dot gain, compatibility, weatherability, and curing characteristics. In a representative printing method, an ink jettable ink composition is provided that includes one or more oligo/resins, a radiation curable, reactive diluent having a surface tension and 1 to 15 weight percent of a solvent component comprising a solvent having a surface tension. The solvent surface tension is no more than about, and preferably at least 2 dynes/cm less than, the surface tension of the reactive diluent. The ink composition is ink jetted onto the substrate to form an ink jetted feature.