Abstract: A method of making a smart optical material (SOM) including mixing polypropylene in a solvent to form a first solution. The method further includes mixing a zinc salt in 2-hydroxyethyl methacrylate and heating it to form a second solution. The method further includes mixing rhodamine B and a peroxide into the second solution to form a third solution. The method further includes mixing the third solution into the first solution to form a reaction solution, wherein the peroxide initiates polymerization of the 2-hydroxyethyl methacrylate to form poly (2-hydroxyethyl methacrylate). The method further includes separating the SOM from the reaction solution. The SOM has at least two bandgaps, a first bandgap is from 1.4-1.5 eV, and a second bandgap is from 1.8-1.9 eV.

Abstract: A method of making a smart optical material (SOM) including mixing polypropylene in a solvent to form a first solution. The method further includes mixing a zinc salt in 2-hydroxyethyl methacrylate and heating it to form a second solution. The method further includes mixing rhodamine B and a peroxide into the second solution to form a third solution. The method further includes mixing the third solution into the first solution to form a reaction solution, wherein the peroxide initiates polymerization of the 2-hydroxyethyl methacrylate to form poly(2-hydroxyethyl methacrylate). The method further includes separating the SOM from the reaction solution. The SOM has at least two bandgaps, a first bandgap is from 1.4-1.5 eV, and a second bandgap is from 1.8-1.9 eV.

Abstract: Coatings for medical devices having selectable levels of durability and lubricity are disclosed. The coatings include polymeric material components, the characteristics and relative amounts of which can be selected to provide target levels of durability and lubricity. Methods of making the coatings for medical devices are also disclosed.

Abstract: An ink set for single-pass printing including at least a cyan ink, a magenta ink, a yellow ink, and a gray ink, wherein the magenta ink satisfies a specific condition regarding spectral reflectance, and the gray ink has a spectral reflectance at a wavelength of 500 nm of 20 to 70% and satisfies the specific condition regarding spectral reflectance.

Abstract: The present invention is a three-dimensional modeling material containing an alicyclic structure-containing polymer and having a void fraction of 10 vol % or lower, a method for producing the three-dimensional modeling material, and a resin formed article obtained by a thermal melting lamination method using the three-dimensional modeling material. Though the present invention, there are provided a three-dimensional modeling material capable of obtaining a resin formed article having little warp and excellent in impact resistance and appearance, a production method therefor, and a resin formed article formed by using the three-dimensional modeling material.

Abstract: The present invention contemplates a method for forming a reformable epoxy resin material into a fiber format and: (i) weaving the reformable epoxy resin material (10) with a reinforcing fiber (12) to form a woven material; (ii) stitching a secondary material (14) with reformable epoxy resin material; and optionally (iii) forming a web or mesh with the reformable epoxy resin material.

Abstract: The present invention relates to silicone hydrogels having a desirable balance of properties which can be formed without diluents. The silicone hydrogels are formed from reactive mixtures comprising at least one hydroxyl substituted, monofunctional polydialkylsiloxane monomer having between 2 and 120 dialkylsiloxane repeating units, at least one slow reacting hydrophilic monomer and at least one hydroxyl containing hydrophilic monomer.

Abstract: Polymeric blends having improved flame retardance properties and good ductility at low temperatures are disclosed. The blend is formed from (A) a photoactive additive that is a cross-linkable polycarbonate resin containing a photoactive group derived from a dihydroxybenzophenone; and (B) a polymer resin which is different from the photoactive additive. The additive can be a compound, oligomer, or polymer. When exposed to ultraviolet light, crosslinking will occur between the photoactive additive and the polymer resin, enhancing the chemical resistance and flame retardance while maintaining ductility.

Abstract: A method of modifying polyolefin to have long chain branching comprising mixing polyolefin and a photoinitiator and irradiating the mixture with UV radiation. The modified polyolefin of the method and the use of said modified polyolefin.

Abstract: A line-head-type inkjet image-forming method includes ejecting a gel ink to a recording medium at a first coverage rate that is less than 100% and set to allow dots of newly ejected gel ink to unite with dots of the gel ink already landed on the recording medium. The gel ink contains a specific amount of a polymer dispersant based on the amount of the colorant and has a specific contact angle on the recording medium. The gel ink is ejected from nozzles so as to form dots with a diameter slightly larger according to the resolution of the image to be formed.

Abstract: A mounting apparatus for handling of a structured substrate which has structures. The mounting apparatus having a soft material layer for accommodating the structured substrate on a receiving surface. The structures of the structured substrate are able to be taken at least partially into the material layer. Fixing means for fixing of the structured substrate on the receiving surface are provided.

Abstract: Provided is a curing agent for a three-dimensional shaped product including a compatible material that is compatible with a molded article forming agent for forming a three-dimensional shaped product, and a curing material that cures the molded article forming agent.

Abstract: The present invention relates to silicone hydrogels having a desirable balance of properties which can be formed without diluents. The silicone hydrogels are formed from reactive mixtures comprising at least one hydroxyl substituted, monofunctional polydialkylsiloxane monomer having between 2 and 120 dialkylsiloxane repeating units, at least one slow reacting hydrophilic monomer and at least one hydroxyl containing hydrophilic monomer.

Abstract: Oxidation resistant crosslinked ultrahigh molecular weight polyethylene (UHMWPE) is described, wherein at least two different additives in the manufacture synergistically increase the oxidation resistance of crosslinked UHMWPE. This allows the manufacture of oxidation resistant crosslinked UHMWPE using lower levels of additives and/or lower levels of crosslinking irradiation or chemicals. The lower levels of additives and/or crosslinking produce crosslinked UHMWPE having desired physical properties not possible without the synergistic interaction of the additives. This crosslinked UHMWPE may be used in medical prostheses such as in bearing components having desired physical properties such as wear resistance and oxidation resistance not possible without the synergistic interaction of the additives.

Abstract: A hydrophilic cross-linked ionic polycaprolactone polymer composition formed by the process of subjecting hydrophobic caprolactone or a hydrophobic caprolactone monomer to a source of ionizing radiation selected from the group consisting of an Electron Acceleration (E beam), Gamma II, Cobolt, X-ray or a source of UV radiation to form an ionic cross linked polycaprolactone polymer consisting of a soluble component part and an insoluble component part in a gel fraction % of soluble to insoluble parts, adjusting the duration of ionizing radiation and/or the intensity of the radiation until the concentration of the soluble component part is above at least about 65% by weight of the cross linked polymer wherein the cross linked polycaprolactone polymer is converted from a hydrophobic to a hydrophilic state. A coating of the hydrophobic polycaprolactone when in contact with water forms a boundary layer with very low contact angle.

Abstract: The present invention relates to a resin composition for a nano concave-convex structure, including 0.01 to 10 parts by mass of an active energy ray polymerization initiator (D), 0.01 to 3 parts by mass of a release agent (E), and 0.01 to 3 parts by mass of a lubricant (F), relative to 100 parts by mass of a polymerization reactive monomer component containing 50 to 95 parts by mass of a tetrafunctional (meth)acrylate monomer (A), 5 to 35 parts by mass of a difunctional (meth)acrylate monomer (B) in which the total number of repeating units within a polyalkylene glycol structure is from 4 to 25, and not more than 15 parts by mass of a monofunctional (meth)acrylate monomer (C) which is copolymerizable with the monomers (A) and (B), and relates to a transparent member for the monitor of a vehicle navigation device and the cover of a vehicle meter.

Abstract: The invention relates to a dental material which comprises a polymerizable bisphosphonic acid of Formula I: The invention also relates to the use of a polymerizable bisphosphonic acid of Formula I for the preparation of a dental material and in particular for the preparation of an adhesive, cement or composite.

Abstract: A description is given of a photoreactive polymer preparable by radical polymerization using at least one photoreactive monomer, where the photoreactive monomer has at least one radically polymerizable C—C double bond, at least one hydrophilic group selected from an ethylene glycol group and polyethylene glycol groups having at least 2 ethylene glycol units, and at least one photoreactive group, the photoreactive group being a photoenolizable carbonyl group.

Abstract: The present invention relates to a primer ink comprising a polymerizable compound and a polymerization initiator, wherein the polymerizable compound comprises a monofunctional monomer having an aromatic hydrocarbon-based ring structure in a molecule and an aliphatic hydrocarbon-based monofunctional monomer, wherein a total mass of the monofunctional monomer having an aromatic hydrocarbon-based ring structure in a molecule and an aliphatic hydrocarbon-based monofunctional monomer is 80% by mass or more based on the total mass of all polymerizable compounds which the primer ink comprises, and wherein a surface tension of is 25 mN/m to 31 mN/m and a viscosity is 50 mPa·s or less.

Abstract: [Problem] To provide a photocurable sealing material which exhibits stable physical properties, particularly permanent compression set when subjected to a heat resistance test in an atmosphere of 100 to 150° C., and has a stable applying shape and storage stability. [Solution] A photocurable composition containing components (A) to (C) mentioned below, in which the mass ratio of the component (A) to the component (B) is 3:7 to 8:2; component (A): a compound having a polymer of a (meth)acrylic monomer as a main skeleton and having one (meth)acryl group at each of the both terminals; component (B): a compound having a polymer of a (meth)acrylic monomer as a main skeleton and having one (meth)acryl group at only one terminal; and component (C): a photoinitiator.

Abstract: The present invention provides a dye that is excellent in solubility and heat-resistance, and a novel compound that is suitable for the dye, and specifically provides a yellow dye having a maximum absorption wavelength in the region of 420 to 470 nm. Furthermore, the present invention provides a colored (alkali-developable) photosensitive composition and an optical filter using the dye, and specifically provides a color filter that does not decrease luminance and thus is preferable for an image display device such as a liquid crystal display panel. Specifically, the present invention provides a novel compound represented by the following general formula (1), a dye using the compound, and a colored (alkali-developable) photosensitive composition and a color filter. The content of the above-mentioned general formula (1) is as described in the description.

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: Polymeric blends having improved flame retardance properties and good ductility at low temperatures are disclosed. The blend is formed from (A) a photoactive additive containing a photoactive group derived from a monofunctional benzophenone; and (B) a polymer resin which is different from the photoactive additive. The additive can be a compound, oligomer, or polymer. When exposed to ultraviolet light, crosslinking will occur between the photoactive additive and the polymer resin, enhancing the chemical resistance and flame retardance while maintaining ductility.

Abstract: Embodiments of the invention provide a frame sealant and a process for preparing the same, as well as use thereof. The frame sealant comprises, by weight, 25%-30% acrylic resins, 25%-30% oligomers as shown in Structure Formula I, 10%-15% organic powders, 10%-15% inorganic powders, 0%-10% epoxy resins, 10%-15% heat curing agents, 0.1%-1% photoinitiators, and 0.1%-1% coupling agents, wherein, in Structure Formula I, n indicates an integer of 10-20.

Abstract: Provided is a photo-curable transparent resin in which an oxetane monomer for promotion of photo-curing, control of viscosity, and improvement of physical properties is mixed with a photo-cationically polymerizable cyclo-aliphatic epoxy group-containing oligosiloxane resin prepared by a sol-gel reaction. The photo-cationically polymerizable photo-curable transparent resin added with the oxetane monomer provides a cured product having high curing density and retaining excellent mechanical properties, thermal-mechanical properties, and electrical properties.

Abstract: Curable, phase-change compositions and inks used for printing three-dimensional objects including a curable monomer, a photoinitiator, a wax and a gellant, where the composition of the cured formulation has a room temperature modulus of from about 0.01 to about 5 Gpa. The curable monomer includes acrylic monomer, polybutadiene adducted with maleic anhydride, aliphatic urethane acrylate, polyester acrylate, 3-acryloxypropyltrimethoxysilane, or acryloxypropyl t-structured siloxane.

Abstract: In one aspect, the invention relates to crosslinkable, flame retardant polymer compositions are provided comprising a polyamide or polyester; a flame retardant system; a crosslinking agent; and a flame retardant system coagent. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: Monomers of formula (I) which include a vinyl group, polymers and articles, such as contact lenses, made therefrom, all of which are biocompatible, are described.

Abstract: Medical devices having a wettable, biocompatible surface are described herein. Processes for producing such devices are also described.

Abstract: A photosensitive resin composition for an insulating film of a display device includes (A) an alkali soluble resin including a polybenzoxazole precursor, polyamic acid, polyimide, or a combination thereof; (B) a photosensitive diazoquinone compound; (C) an ultraviolet (UV) absorber having a maximum absorption wavelength of about 300 to about 400 nm; and (D) a solvent. An insulating film and a display device can include the photosensitive resin composition.

Abstract: The present disclosure provides a method of providing an adhesive composition comprising the steps of combining crosslinkable composition including: a) a (meth)acryloyl monomer mixture with the b) photocrosslinking agent mixture, and irradiating with UVC radiation to polymerize and crosslink the composition.

Abstract: The present invention is directed to a coating composition including a (meth)acrylate binder resin, a UV initiator, an organic solvent, and silica particles surface-treated with a (meth)acrylate compound, a coating film including a cured product of the coating composition, and a method of producing the coating film. The present invention makes it possible to provide a coating material having high transmittance and a low level of haze, and excellent scratch resistance and self-healing capabilities.

Abstract: The present invention aims to provide a surface modification method for a rubber vulcanizate or a thermoplastic elastomer, which can impart excellent sliding properties and excellent durability against repeated sliding motion and can allow the surface to maintain the sealing properties, without using expensive self-lubricating plastics. The present invention relates to a surface modification method for modifying a rubber vulcanizate or a thermoplastic elastomer as an object to be modified, the method including: step 1 of forming polymerization initiation points on the object to be modified; step 2 of radically polymerizing a monomer, starting from the polymerization initiation points, by irradiation with LED light at 300 nm to 400 nm to grow polymer chains on a surface of the object to be modified; and step 3 of esterifying, transesterifying or amidating side chains of the polymer chains.

Abstract: A heat-resistant cured product is efficiently produced by obtaining a semi-cured product where a curable resin composition containing a (meth)acrylate monomer, a non-conjugated vinylidene group-containing compound and a thermal radical-polymerization initiator is processed by at least one of photoirradiation and heating to give a semi-cured product having a complex viscosity of from 105 to 108 mPa·s at 25° C. and at a frequency of 10 Hz; and putting the semi-cured product in a forming die for pressure formation therein, and heating it therein for thermal polymerization to give a cured product.

Abstract: A UV curable silicone rubber composition is provided. The composition does not undergo curing failure, foaming, and other undesirable conditions even if a water-containing inorganic filler such as zeolite were added. A UV curable silicone rubber composition comprising (A) 100 parts by weight of an organopolysiloxane having at least 2 alkenyl groups per molecule represented by the average compositional formula (I): R1aSiO(4-a)/2 (I) (wherein R1 is independently a substituted or unsubstituted monovalent hydrocarbon group, and a is a positive number of 1.95 to 2.05); (B) 1 to 300 parts by weight of an inorganic filler having a water content of at least 0.5% by weight; (C) 0.1 to 50 parts by weight of an organohydrogenpolysiloxane having at least 2 silicon-bonded hydrogen atoms per molecule; and (D) a catalytic amount of a photoactive platinum complex curing catalyst.

Abstract: There is provided a constant velocity universal joint having excellent durability at high temperature while using a boot made of silicone rubber that does not include cerium oxide or other rare earth element-containing compound. The constant velocity universal joint is provided with an outer joint member (2), an inner joint member (4), a shaft (8) coupled to the inner joint member (4), and a boot (9) mounted directly or via another member to the outer joint member (2) and the shaft (8), the boot (9) being a molded article of a silicone rubber composition including silicone rubber, iron oxide, and titanium oxide and not including a rare earth element-containing compound. The silicone rubber composition furthermore includes barium zirconate as required.

Abstract: The present invention provides a process for producing electret fine particles or coarse powder that can be uniformly electrified and exhibits excellent electrophoretic properties. Specifically, the present invention relates to the production processes (1) and (2) below: (1) A process for producing electret fine particles, comprising emulsifying a fluorine-containing material that contains a vinylidene fluoride-hexafluoropropylene-tetrafluoroethylene terpolymer in a liquid that is incompatible with the fluorine-containing material to obtain emulsified particles; and subjecting the emulsified particles to electron ray irradiation, radial ray irradiation, or corona discharge treatment.

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: An optical component and an electrical board that have a low coefficient of linear expansion and small mold shrinkage, a method for producing the optical component, and a method for producing the electronic board are provided. An optical component includes a polymer having a repeating structural unit represented by general formula (1) where R1 and R2 each independently represent —H or —CH3; m and n each independently represent an integer in the range of 0 to 3; asterisk denotes a dangling bond that bonds to one of Xa and Xb; and —H bonds to the other one of Xa and Xb.

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 present invention relates to a process comprising the steps of reacting a reactive mixture comprising at least one silicone-containing component, at least one hydrophilic component, and at least one diluent to form an ophthalmic device having an advancing contact angle of less than about 80°; and contacting the ophthalmic device with an aqueous extraction solution at an elevated extraction temperature, wherein said at least one diluent has a boiling point at least about 10° higher than said extraction temperature.

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: 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: 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: 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: A photocurable material for sealing including (A) an oligomer having a weight average molecular weight of 10,000 to 30,000 and having (meth)acryloyl group(s), (B) a (meth)acrylate monomer, (C) a polythiol compound, and optionally (D) a carbodiimide compound enables the provision of a sealing material that has high compression recovery performance, high tensile strength and excellent flexibility, can have low hardness if required, and therefore has excellent sealing properties including air-tightness performance and water-proof performance and undergoes the formation of little surface tacks and the like.

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: 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 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: 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.