Abstract: A photocurable resin composition for three-dimensional photofabrication operations, including stereolithography, comprising (A) a cationically polymerizable compound having two or more bisphenol structures and one or more hydroxyl groups, (B) a cationically polymerizable compound other than the component (A), (C) a cationic photoinitiator, (D) a radically polymerizable compound, (E) a radical photoinitiator, and (F) multilayer polymer particles having a core and a shell layer, the shell layer containing functional group-modified rubber polymer particles having at least one reactive functional group.

Abstract: A method for producing a structure includes, in this order, providing a substrate composed of a first resin layer and a second resin layer laminated in this order, the first resin layer being made of a positive photosensitive resin having positive photosensitivity to light having a wavelength of 280 nm or more, and the second resin layer containing an anthracene compound, partially exposing the second resin layer to light having a wavelength of 300 nm or more, radiating light having a wavelength of 280 nm or more to the first resin layer through the exposed portions of the second resin layer using the unexposed portions of the second resin layer as a mask, thereby exposing the first resin layer to light, and removing the exposed portions of the first resin layer to form a structure.

Abstract: The present invention relates to a process for the manufacturing of continuously shaped cured silicone articles, particularly extrusions articles and the use of silicone compositions containing a photoactivatable metal catalyst in said process, wherein the curing is initiated by visible or UV-light.

Abstract: A method is provided, by which a three-dimensional object is manufactured by a subsequent solidification of layers of a building material in powder form at the positions in the respective layer that corresponds to the cross-section of the object by means of the action of a laser or another energy source, wherein as building material in powder form a material is used which contains the old powder that has remained as unsolidified powder in the manufacturing of one or more previously formed objects and a proportion of new powder that has not been used before in any manufacturing process, characterized in that the building material in powder form is mechanically consolidated when a layer is applied.

Abstract: The present invention relates to methods for making oxidation resistant medical devices 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 materials used therein.

Abstract: The present invention relates to composite materials with a high dielectric constant and high dielectric strength and to methods of producing the composite materials. The composite materials have high dielectric constants at a range of high frequencies and possess robust mechanical properties and strengths, such that they may be machined to a variety of configurations. The composite materials also have high dielectric strengths for operation in high power and high energy density systems. In one embodiment, the composite material is composed of a trimodal distribution of ceramic particles, including barium titanate, barium strontium titanate (BST), or combinations thereof and a polymer binder.

Abstract: The present invention relates to a wiper rubber (10) for a windshield wiper, comprising a wiper rubber substructure (1) with a wiper lip section (2) and a reinforcement section (4), the wiper rubber substructure (1) being uncoated and being formed from ethylene-propylene-diene rubber and/or ethylene-propylene rubber. In order to improve the wear resistance, wiping characteristics and wiping quality of the wiper rubber (10), the surface of the wiper rubber substructure (1) at least in a partial region (2c, 2c?) of the wiper lip section (2) has been treated with ultraviolet radiation. The present invention further relates to a process for producing a wiper rubber, to a correspondingly produced wiper rubber and to a windshield wiper equipped therewith.

Abstract: The invention relates to a biodegradable material made of biological components, comprising 10 to 60 wt. % of a protein adhesive (1), which is made of at least one protein, and 2 to 50 wt. % of natural fibers (4). Furthermore, 2 to 15 wt. % of at least one hygroscopic mineral (7), 10 to 55 wt. % of water (2), and 0 to 50 wt. % of an additive component (5) are provided in the material (10).

Abstract: A molding method includes drawing cross-section elements of a three-dimensional object as a molding target on a drawing surface of a drawing stand with a liquid whose curing is precipitated by receiving activation energy as cross-section patterns; applying the activation energy to the liquid configuring the cross-section patterns in a state in which the cross-section patterns is pinched between the drawing stand and a molding stand; and detaching the cross-section patterns after being applied with the activation energy from the drawing stand and transferring the cross-section patterns to the molding stand side, wherein the drawing surface has a liquid repellent area that is an area representing liquid repellency for the liquid and a lyophilic area that is independently formed in an island shape within the liquid repellent area and is an area representing lyophillicity stronger than that of the liquid repellent area for the liquid.

Abstract: A method of producing a structure from curable material by molding includes arranging a molding tool above a surface, so that in a region between the molding tool and the surface, the curable material adjoins the surface and a molding face of the molding tool which faces the surface, and so that additional curable material may continue to flow into the region. The method further includes irradiating the curable material in the region in a locally varying manner, so that the curable material cures at different speeds in a laterally varying manner and that shrinkages occurring during curing of the curable material are compensated for by the additional curable material. The method further includes applying a constant pressure to the additional curable material. Moreover, a second method and an apparatus for producing a structure from curable material by molding and a molding tool for an optical component are described.

Abstract: Method for producing a nanocomposite material reinforced by unidirectionally oriented pre-dispersed alumina nanofibers. The process is suited for industrial-scale production of the nanocomposite materials. The nanocomposite production process involves, synthesis of unidirectionally oriented pre-dispersed alumina nanofibers, casting a mat of pre-dispersed nanofibers with a predetermined orientation in the atmosphere of air or other gas(es) by saturating the nanofibers with liquid polymer matrix. Polymer matrix may include thermosets or/and thermoplastics. The material forming the polymer matrix may be heated to its melting point temperature to transform it to liquid phase. After saturation, the polymer matrix is hardened by lowering its temperature or by means of exposing the polymer matrix to UV radiation, electron beam and/or chemical hardeners. The nanomaterial is composed of polymer composite with homogeneously dispersed uniformly oriented reinforcing nanofibers.

Abstract: Silicone fibers suitable for use as optical fibers are prepared by crosslinking an extruded mixture of a silicone resin and an organopolysiloxane, both containing aliphatically unsaturated groups, an organopolysiloxane bearing Si—H groups, and a light activatable trimethyl(methylcyclopentadienyl) platinum catalyst.

Abstract: A photosensitive resin composition and a method for forming an organic film on a substrate are provided. Because the photosensitive resin composition for imprinting includes an erythrotol-based monomer or oligomer, an organic film formed by the photosensitive resin composition for imprinting has improved restoring force. Therefore, the photosensitive resin composition is appropriate for imprinting processes.

Abstract: The curing assembly of this invention has one or more fiber optic cables, each transmitting light to a head, which distributes the light onto a substrate in a desired geometric pattern and intensity. Little or none of the heat generated by a light source is transmitted to the vicinity of the substrate. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 C.F.R. §1.72(b).

Abstract: The present invention relates to polymers comprising absorption pigments, which are distinguished by the fact that they have high absorption in the near IR region, and to the use thereof, in particular in thermoforming and in IR light welding.

Abstract: The present invention relates to a method for manufacturing a polymer sheet for use as an immobilization element, wherein the sheet is at least partly made of a polymer material comprising a polymer from the group of polycaprolactone, a copolymer of polyethylene with at least one ?-olefin having 3-10 C atoms, or a mixture of two or more of the aforementioned polymers, a photo-initiator, and a photo-cross-linker, wherein the polymer sheet has a thickness of 1.0 to 5 mm and wherein the polymer sheet is at least partially cured by exposing to UV radiation for the at least partially cross-linking of the polymer.

Abstract: The disclosure relates to compositions exhibiting a UV resistance of ?E ranging from more than 0 to less than or equal to 10 units after exposure to ultraviolet light for 300 hours, per ASTM D-4459 protocol. The compositions can include at least 15 wt. % of a polyetherimide; at least 35 wt. % of a polycarbonate; a polyetherimide siloxane; and optionally, at least one UV stabilizer. The disclosure also relates to methods of shaping such compositions and articles produced from such compositions.

Abstract: A method for fabricating a three-dimensional object including depositing a first amount of an ultraviolet curable phase change ink composition comprising an optional colorant and a phase change ink vehicle comprising a radiation curable monomer or prepolymer; a photoinitiator; a reactive wax; and a gellant upon a print region surface; successively depositing additional amounts of the ultraviolet curable phase change ink composition to create a three-dimensional object; and curing the ultraviolet curable phase change ink composition.

Abstract: A component is provided that includes at least one passageway. In another aspect, a component, such as a lamp or a vehicular washer jet, is made of layers of material, a light curable material and/or multiple built-up materials. Another aspect uses a three-dimensional printing machine to emit material from an ink jet printing head to build up a component.

Abstract: A three-dimensional modeling apparatus includes a stage, a head, a movement mechanism, and a control unit. The head supplies a process liquid that is one of a solution and a dispersion liquid onto the stage to cause a material that constitutes a three-dimensional object to be precipitated out of the process liquid by evaporating one of a solvent and a dispersion medium therefrom. The movement mechanism relatively moves the head and the stage. The control unit controls a drive of the movement mechanism to form the three-dimensional object.

Abstract: Provided is a liquid curable resin composition containing (A) a polymer component containing (A1) a polymer having an ethylenically unsaturated bond in a molecule thereof; (B) a low-molecular weight monomer having one ethylenically unsaturated group in a molecule thereof; and (C) a polymerization initiator, wherein the component (B) contains a compound represented by the following general formula (I). The liquid curable resin composition may be a material which is suitably applicable for the purpose of filling a space between a protective panel and an image display unit or the like in a large-sized image display device and which is excellent in moist heat resistance reliability. (In the formula, R1 represents a hydrogen atom or a methyl group; R2 represents an alkyl group having 4 or more carbon atoms; and n represents a number of from 1 to 20.

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: A system and method of layerwise production of a tangible object (5), they system comprising a construction shape (6) to form a liquid layer to be brought in contact with the tangible object; solidifying means (9) for solidifying a predetermined area of a layer (10) of the liquid (3), so as to obtain a solid layer (14) of the tangible object (5), the solid layer thus having a predetermined shape, separating means (18; 19?; 19?) for separating said solid layer from said construction shape; moving means (18) for moving, relative to one another, the construction shape (6) to a predetermined position relative to the tangible object (5), for carrying out a successive such method cycle for solidifying a predetermined area of a successive such liquid layer; the system is arranged to provide a limited volume of liquid adhered to the construction shape to form a liquid layer of limited height that does not contact the tangible object; wherein said moving of said construction shape and said solidifying of said predeter

Abstract: A modified fluorocarbon resin composition and a modified molded product of fluorocarbon resin composition having an excellent abrasion resistivity and low friction property under high pressure, are provided. The modified fluorocarbon resin composition comprises a blend of fluorocarbon resin and aromatic engineering plastic, which is modified by irradiation of ionizing radiation.

Abstract: A method of making cable includes injection molding a coupling part which is manufactured from a polymer mixture with a thermoplastic material as polymer component, where the cable casing contains thermoplastic polyurethane cross-linked by radiation. The cable has a water-tight and fixed connection between the casing of the cable and the section of the coupling part injection molded around the casing.

Abstract: Disclosed herein is a patterning mold configured to form a micropattern on a substrate or glass. The disclosed patterning mold includes a transfer body with a patterning part formed at one end of the transfer body to transfer a nanoparticle material to one surface of the substrate. The patterning mold further includes a fixing member coupled to an exterior of the transfer body, to prevent or reduce deformation of the exterior of the transfer body.

Abstract: A method of manufacturing a hearing aid component (24, 25, 30, 32, 34), having the steps of providing a substrate component (23); and applying a functional structure (22) of a viscoelastic material having a thickness of at least 50 ?m onto a surface of the substrate component by an inkjet printing process utilizing a jet of droplets (18) having a volume from 0.1 nl to 10 nl. The hardness of the functional structure is lower than the hardness of the substrate component.

Abstract: A spiral fastener is provided. In another aspect, a spiral fastener, is made of layers of material and/or a light curable material. Another aspect uses a three-dimensional printing machine to emit material from an ink jet printing head to build up a fastener having a spiral formation.

Abstract: Provided are processes comprising crosslinking polyethylene or using crosslinked polyethylene. Furthermore, the processes may include compacting and/or sintering the polyethylene. The polyethylene can comprise virgin ultrahigh molecular weight polyethylene having a weight average molecular weight of at least 1,000,000 g/mol, to provide a compacted composition comprising virgin ultrahigh molecular weight polyethylene.

Abstract: Waste reduction, including hazardous waste reduction in photoimaging processes can be accomplished by improving diffusional resolution of cationic curable compositions. The addition of fluorinated polymers including fluorinated surfactants provides improved diffusional resolution in cationic and/or radical based photoimaging formulations allowing for image accuracy improvements, and reduced product and process waste quantity and disposal cost. These fluorinated surfactants also allow for increased cure speed, and non-hazardous constituent formulations that result in less wasted material and time.

Abstract: Provided is a sealing material sheet for solar cell modules, which is obtained by irradiating a polyethylene resin with ionizing radiation and has high transparency, heat resistance and adhesion at the same time. This sealing material sheet for solar cell modules contains a low density polyethylene having a density of 0.900 g/cm3 or less, while having a gel fraction of from 0% to 40% (inclusive) and a degree of dispersity (Mw/Mn), which is the ratio of the weight average molecular weight (Mw) to the number average molecular weight (Mn) in terms of polystyrene, of from 2.5 to 3.5 (inclusive).

Abstract: According to the present invention, an adhesive film having a phase-difference is characterized by a phase difference value of 25° C./55% RH at a thickness of 20 ?m being approximately 20 nm to approximately 150 nm, and 1 rad/s storage modulus by a frequency seep test at 30° C. being approximately 105 dyne/cm2 to approximately 109 dyne/cm2. The adhesive film having a phase-difference exhibits minimal entangling and retains a stretched structure under high temperature and humidity so as to provide an optical member that has decreased light leakage, retains superior durability, reworkability, and adhesion, and has an excellent balance of physical properties.

Abstract: The TPU of this invention contains unsaturation in its polymeric backbone. The unsaturation can be present in the soft segment or in the hard segment or in both the soft and hard segments of the TPU. The TPU can be molded like a thermoplastic, and can be subsequently crosslinked by exposure to electron beam irradiation into thermoset articles having excellent chemical resistance, dimensional stability, set properties, heat resistance, oxidative resistance, and creep resistance. In one embodiment, the TPUs of this invention are the reaction product (1) a hydroxyl terminated intermediate, (2) a polyisocyanate, (3) a saturated glycol chain extender, and (4) a glycol chain extender containing carbon-carbon double bonds, such as the allyl moieties present in trimethylolpropane monoallyl ether.

Abstract: A low temperature thermoplastic material is provided. The components include in weight parts: polyurethane with a melting point of 50-70° C. 90-10 parts, poly(?-caprolactone) 0-90 parts and cross linking co-agent 0.1-6 parts. Compared with the prior poly(?-caprolactone) low temperature thermoplastic material, the present low temperature thermoplastic material has a smaller shrinking force and a better fastening intensity, is more comfortable and can be stretched more uniformly after molding. Therefore, the material is suitable for hospital and other radiotherapy institution and can be used compatibly with three-dimensional conformal radiotherapy equipments in tumor surgery.

Abstract: An imprint apparatus for imprinting a mold pattern onto a substrate or a member on the substrate includes a light source for irradiating a surface of the mold disposed opposite to the substrate and a surface of the substrate with light; an optical system for guiding the light from the light source to the surface of the mold and the surface of the substrate and guiding reflected lights from these surfaces to a spectroscope; a spectroscope for dispersing the reflected lights guided by the optical system into a spectrum; and an analyzer for analyzing a distance between the surface of the mold and the surface of the substrate. The analyzer calculates the distance between the surface of the mold and the surface of the substrate by measuring a distance between the surface of the mold and a surface formed at a position away from the surface of the mold.

Abstract: UV absorbing appliances, such as contact lenses, are prepared by including at least one UV absorbing compound in the appliances. UV absorbing compounds can be water insoluble and/or reside in UV absorbing nanoparticles having a mean diameter less than 10 nm. The UV absorbing nanoparticles incorporate into an appliance by polymerizing a monomer mixture containing the UV absorbing nanoparticles to form an appliance comprising the UV absorbing nanoparticles. The UV absorbing compounds or the UV absorbing nanoparticles incorporate into an appliance by placing the appliance in a solution of the UV absorbing compound or a dispersion of the UV absorbing nanoparticles in a non-aqueous solvent that swells the appliance. The UV absorbing compound or the UV absorbing nanoparticles infuse into the swollen appliance and are retained within the appliance upon removal of the non-aqueous solvent.

Abstract: The present invention relates to methods for making highly crystalline polymeric material, for example, highly crystalline cross-linked and not cross-linked ultra-high molecular weight polyethylene (UHMWPE). The invention also provides methods of making additive-doped highly crystalline polymeric material using high pressure and high temperature crystallization processes, medical implants made thereof, and materials used therein.

Abstract: Disclosed is micro-device for culturing cells comprising: a plurality of fluid paths through which fluid moves; and at least one inlet port for injecting fluid to the fluid paths, said fluid paths communicating with each other and being different in height from each other. In the cell culture device having a plurality of fluid paths, cells can be cultured by introducing a polymeric material to at least one fluid path having a relatively low height; solidifying the polymeric material to form a 3-dimensional scaffold; and injecting fluid for cell culture to a fluid path in contact with the 3-dimensional scaffold.

Abstract: Provided are a resin blend, which includes a first resin, and a second resin having hydrogen-binding donor and acceptor, and having a difference in surface energy from the first resin at 25° C. of 0.1 to 35 mN/m, and is formed in a layer-separated structure, a pellet, a method of manufacturing the same, and a resin molded article having a specific layer-separated structure. Because of the resin blend, a molded article may have enhanced mechanical properties and surface hardness, and additional surface coating may be omitted, thereby reducing a processing time, increasing productivity, and reducing production costs.

Abstract: A nano-imprint mold includes a mold base; mold body having a first surface and a second surface opposite the first surface; and an elastic body disposed between a surface of the mold base and the first surface of the mold body, the elastic body being composed of resin. The second surface of the mold body is provided with a nano-imprint pattern. In addition, the elastic body has a bulk modulus lower than a bulk modulus of the mold body.

Abstract: A method for formation of a polymer film in-situ according to the invention comprises steps of: providing a polymerizable composition in one or multiple parts; prior to completion of polymerization of the polymerizable composition, forming a film therefrom; and initiating polymerization of the polymerizable composition using a radiation source to form the polymer film.

Abstract: An imprint method includes contacting an imprint pattern of a mold and a resin material on a substrate. The resin material is cured by irradiating the resin material with light in a state in which the imprint pattern is in contact with the resin material. The mold is parted from the cured resin material, and gaseous molecules are irradiated, in an atmosphere in which the mold is placed, with an electromagnetic wave having a wavelength that is shorter than a wavelength of the light irradiating the resin material. The electromagnetic wave is emitted from an electrification removing light source that is provided in a lateral side of the mold. In the irradiating step, the gaseous molecules are ionized by the irradiation of the electromagnetic wave from the electrification removing light source. The ionized gaseous molecules are supplied into an atmosphere between the substrate and the mold to remove electrification of at least a portion of the mold.

Abstract: An apparatus and method for additive fabrication which helps to prevent the newly hardened layer from being separated from the previously formed layer of the object while the foil is peeled from the newly hardened layer is provided. In one embodiment, use of a peel angle helps prevent the newly hardened layer from being separated from the previously formed layer during peeling by distributing the peeling force so that less of the z-direction component of the peeling force is applied to the newly hardened layer. In another embodiment, the object can be oriented to initiate the peel at an area, of the object which results in a lesser initial peeling force applied to the newly hardened layer.

Abstract: A method of preparing polyurethane prepolymer does not require using a toxic isocyanate monomer (manufactured by harmful phosgene) as a raw material. Epoxy resin and carbon dioxide are used as major raw materials to form cyclic carbonates to be reacted with a functional group oligomer, and then amino groups in a hydrophilic (ether group) or hydrophobic (siloxane group) diamine polymer are used for performing a ring-opening polymerization, and the microwave irradiation is used in the ring-opening polymerization to efficiently synthesize the amino-terminated PU prepolymer, and then an acrylic group at an end is added to manufacture an UV cross-linking PU (UV-PU) oligomer which can be coated onto a fabric surface, and the fabric is dried by UV radiation for a surface treatment to form a washing-resisted long lasting hydrophilic or hydrophobic PU fabric.

Abstract: A thermally conductive sheet has cut surfaces with low surface roughness and hence shows reduced thermal resistance at the interfaces, and high thermal conductivity in the thickness direction. Thus, the thermally conductive sheet can be interposed between any of various heat sources and a radiation member. The process for producing the thermally conductive sheet includes at least: an extrusion molding step in which a thermally conductive composition containing a polymer, an anisotropic thermally conductive filler, and a filler is extruded with an extruder to thereby mold an extrusion-molded product in which the anisotropic thermally conductive filler has been oriented along the extrusion direction; a curing step in which the extrusion-molded product is cured to obtain a cured object; and a slicing step in which the cured object is sliced into a given thickness with an ultrasonic cutter in the direction perpendicular to the extrusion direction.

Abstract: A lithography method for forming nanoparticles includes patterning sacrificial material on a multilayer substrate. In some cases, the pattern is transferred to or into a removable layer of the multilayer substrate, and functional material is disposed on the removable layer of the multilayer substrate and solidified. At least a portion of the functional material is then removed to expose protrusions of the removable layer, and pillars of the functional material are released from the removable layer to yield nanoparticles. In other cases, the multilayer substrate includes the functional material, and the pattern is transferred to or into a removable layer of the multilayer substrate. The sacrificial layer is removed, and pillars of the functional material are released from the removable layer to yield nanoparticles.

Abstract: The present invention relates to a field of biocompatible membranes, tubes and conduits which comprising a photosensitizer which is capable of being crosslinked to form a three dimensional structure which can be implanted into a subject to assist in tissue bonding and nerve maintenance and development. Methods of making such membranes, tubes and conduits and kits comprising them are also described.

Abstract: The present invention relates to a transparent film having a cured layer, wherein the cured layer having a micro-convexoconcave structure with the average period of a convex section or a concave section of 20 nm to 400 nm is formed on a rough surface of a base film obtained from an acrylic resin having a rough surface in which a maximum valley depth (Pv) is 0.1 to 3 ?m and an average length (RSm) of a contour curve element is 10 ?m or less; and the number of lattice in the cured layer adhered to the base film is 51 or more when a cross cut test is performed using 100 lattices at an interval of 2 mm.

Abstract: A multi-piece golf ball is manufactured by molding a cover layer and a core layer to form a golf ball preform in a mold. The cover layer has a thermoplastic polyurethane composition which may be crosslinked by ultraviolet radiation. After molding, the golf ball preform is removed from the mold. A UV curable topcoat composition is applied to the golf ball preform. The golf ball preform is then irradiated with ultraviolet radiation under conditions sufficient to both crosslink the crosslinkable thermoplastic polyurethane and cure the UV curable topcoat composition.

Abstract: The present disclosure is directed to embodiments of microstructured membranes, methods of fabricating microstructured membranes, bioreactors housing microstructured membranes, and methods of using bioreactors and microstructured membranes. In some embodiments, the present disclosure allows culturing of cellular tissues in an environment which more accurately resembles a native environment. In some more specific embodiments, the present disclosure allows culturing of tumor cells on a membrane having a microfabricated pattern which mimics a native vasculature system.