Abstract: This invention relates to a transparent composite material having a low linear expansion coefficient and excellent transparency, flexibility and workability, which is formed by curing a resin composition containing epoxy(meth)acrylate synthesized from lactone modified (meth)acrylate, acid anhydride and epoxy resin, in which 10 to 55% by mass of synthetic smectite that is organized with a quaternary ammonium salt and/or a quaternary phosphonium salt and has a number average particle diameter of from 10 to 300 nm and an aspect ratio of from 10 to 300 is dispersed; and a transparent composite sheet using the material.

Abstract: A method of controlling gloss of an image includes forming an image over a substrate by applying a colored or colorless composition, included a colored ink and/or a colorless overcoat composition, over one or more portions of the substrate, wherein the colored or colorless composition includes at least one gellant, at least one curable monomer, at least one curable wax and optionally at least one photoinitiator, wherein the colored or colorless composition is curable upon exposure to radiation, and curing the colored or colorless composition following application by applying radiation to the colored or colorless composition and, during the curing, controlling an amount of oxygen present in an atmosphere around the image.

Abstract: The present invention relates to a one-part dual curing clear coating composition comprising acrylic modified acrylate for cars, the composition containing an acrylic oligomer resin and a melamine resin as main components, and to a dual curing process utilizing the clear coating composition, the process comprising applying the clear coating composition to a substrate to form a coated film and curing the coated film by UV light and heat. According to the present invention, the clear coating composition increases dual coating workability, improves the appearance and mechanical properties of the coated film and is environmentally friendly, because it contains a small amount of a solvent so as to inhibit the emission of volatile organic compounds. In addition, the dual curing process has advantages in that energy consumption and the emission of volatile organic components are reduced compared to existing processes.

Abstract: Polysilanes, inks containing the same, and methods for their preparation are disclosed. The polysilane generally has the formula H—[(AHR)n(c—AmHpm?2)q]—H, where each instance of A is independently Si or Ge; R is H, —AaHa+1Ra, Halogen, aryl or substituted aryl; (n+a)?10 if q=0, q?3 if n=0, and (n+q)?6 if both n and q?0; p is 1 or 2; and m is from 3 to 12. In one aspect, the method generally includes the steps of combining a silane compound of the formula AHaR14?a, the formula AkHgR1?h and/or the formula c—AmHpmR1rm with a catalyst of the formula R4xR5yMXz (or an immobilized derivative thereof) to form a poly(aryl)silane; then washing the poly(aryl)silane with an aqueous washing composition and contacting the poly(aryl)silane with an adsorbent to remove the metal M. In another aspect, the method includes the steps of halogenating a polyarylsilane to form a halopolysilane; and reducing the halopolysilane with a metal hydride to form the polysilane.

Abstract: A method of controlling gloss of an image includes applying an overcoat composition of at least one gellant, at least one curable monomer, at least one curable wax and optionally at least one photoinitiator over a substrate, wherein the overcoat composition is curable upon exposure to ultraviolet radiation; following the applying of the overcoat composition and prior to curing the overcoat composition by applying ultraviolet radiation, applying heat to heat the applied overcoat composition to a temperature of at least 35° C.; and subsequent to the applying heat, applying ultraviolet radiation to the overcoat composition to substantially cure the overcoat composition.

Abstract: A copolymer Tradenamed HexiLok is applied in the form of an ink as a decorative and protective outer covering to glassware and other tableware. It serves also as an adhesion coating to which a cross-linked ethylene acrylic acid copolymer is applied, to serve as a shock absorber and shard retention agent, in the event of breakage of the wares. The impact resistance of drinking glasses can be improved ten-fold with a 5 mil outer coating. The use of UV light as a curing agent in a 2-stage curing process, enables high production rates. The tough HexiLok ink serves to hermetically seal the decorated surface of the wares, enabling the use of non-FDA approved decorating agents.

Abstract: Disclosed is a gasket comprising a support layer; a blocking pad layer laminated on one side of the support layer and made of an acrylic polymer resin composition; and an adhesive layer laminated on the other side of the support layer and made of an adhesive polymer resin. The acrylic polymer resin composition comprises a urethane acrylate oligomer; a first acrylic monomer; a second acrylic monomer having a higher glass transition temperature than the first acrylic monomer; and a filler.

Abstract: Methods for depositing a low dielectric constant layer on a substrate are provided. In one embodiment, the method includes introducing one or more organosilicon compounds into a chamber, wherein the one or more organosilicon compounds comprise a silicon atom and a porogen component bonded to the silicon atom, reacting the one or more organosilicon compounds in the presence of RF power to deposit a low dielectric constant layer on a substrate in the chamber, and post-treating the low dielectric constant layer to substantially remove the porogen component from the low dielectric constant layer. Optionally, an inert carrier gas, an oxidizing gas, or both may be introduced into the processing chamber with the one or more organosilicon compounds. The post-treatment process may be an ultraviolet radiation cure of the deposited material. The UV cure process may be used concurrently or serially with a thermal or e-beam curing process.

Abstract: Method and apparatus for polymerizing photoactive materials included in a liquid material by electromagnetic radiation, by dispensing the liquid material layer-wise into a container and irradiating the accumulated layers by a curing radiation, wherein a substantial part of the radiation is well transmitted through the photoactive material.

Abstract: The invention relates to new processes for the preparation of antireflective coatings and coated substrates, as well as articles produced by these processes. These coatings can include one or more layers made of materials which form nano-structured and/or nano-porous surfaces. The process can include applying a cross-linkable hard coat to a substrate, partially curing or cross-linking the hard coat, and then applying a second coat carried by a solvent or mixture of solvents capable of swelling the partially cured hard coat. The second coat is then cross-linked and grafted to the hard coat to produce a durable coated substrate with antireflective properties.

Abstract: Example embodiments relate to a method of manufacturing a polymer dispersed liquid crystal (PDLC) display device including dichroic dye. The method may include filling a mixture solution including liquid crystals, a photopolymerizable material, dichroic dyes, and liquid crystalline polymers in a space between a first electrode and a second electrode that face each other; applying an electric field between the first electrode and the second electrode; and arranging the dichroic dyes in the mixture solution.

Abstract: The present invention provides a method for producing a low-odor, printed packaging material and the printed packaging material produced thereby. The printed packaging material of the present invention is especially suitable for packaging of substances, such as food, drugs and tobacco, which require low odor from printing inks. In this process, the printed ink is activated by exposure to actinic radiation, such as UV light, before an actinic-radiation curable coating is applied thereto. The exposure of the printed ink to UV light reduces residual solvent content and odor of the packaging material and improves the friction resistance and gloss of the printed images. Furthermore, the exposure of the printed packaging material to UV light provides an additional benefit of reducing microbial count, thereby extending a shelf-life of the packaged substance, such as food and drugs.

Abstract: The invention relates to an apparatus and a method of producing molding materials and coatings on substrates by curing radiation-curable materials under an inert gas atmosphere by exposure to high-energy radiation.

Abstract: A method for producing a multilayer information recording medium the method including: holding a substrate; feeding a resin onto the substrate; and removing the excess resin by moving a squeegee throughout the entire surface of the substrate. The substrate may have a resin-coated region, onto which the resin is to be applied, and a non-resin-coated region, onto which the resin is not to be applied. In this case, the resin-coated region has a smaller contact angle with the resin than the non-resin-coated region. The method for producing a multilayer information recording medium may further include, prior to feeding a resin onto the substrate, subjecting a specified area of the substrate to an oil repellent treatment to increase the contact angle of the specified area with the resin.

Abstract: A system including a dual cure composite structure is disclosed. The system also includes a first layer comprising a resin having a first and a second functional group. The system further includes a second layer comprising the resin having the first and the second functional group. The system also includes a third layer comprising the resin having the first and the second functional group. The system further includes a first covalent bond across an interface of the first and the second layer and a second covalent bond across another interface of the second and the third layer. The system further includes more than two layers comprising the resin having the first and second functional group. A method of manufacturing a system including a dual cure composite structure is also disclosed. The method includes providing a first layer comprising a resin having a first functional group and a second functional group. The method also includes applying a first curing source to partially cure the first layer.

Abstract: According to at least one aspect of the present invention, a method is provided for curing a surface coating. In at least one embodiment, the method includes providing a substrate having an ultraviolet-curable coating thereon, the coating having a base temperature, heating the coating for a first period of time to an elevated temperature above the base temperature, and irradiating the coating with ultraviolet irradiation for a second time period, at least a portion of the first time period occurring simultaneously with the second time period.

Abstract: There can be provided a casting film for producing a ceramic green sheet which film comprises a substrarte film, an undercoat layer and a cured layer, wherein the undercoat layer is composed of a condensation polymer from a metal alkoxide and/or a partially hydrolyzed product of a metal alkoxide, and the cured layer is formed by heat treating at 40 to 120° C., an addition reaction type silicone resin composition containing a photosensitizer in a coating amount of 0.01 to 0.3 g/m2 expressed in terms of solid content, and thereafter ultraviolet irradiating the composition to cure the same.

Abstract: A method by which ceramic nanowires with diameters ranging from several to several tens of nanometers can be synthesized with improvements in the shape retention of the nanowires and the yield of conversion to ceramic, which method comprises the steps of forming a thin film of a silicon-containing polymer usable as a ceramic precursor, irradiating the thin film with ion beams to form cylindrical crosslinked portions, extracting the un-crosslinked portions with a solvent to produce nanowires of the silicon-containing polymer, irradiating the nanowires with an ionizing radiation so that they are crosslinked again, and firing the re-crosslinked nanowires.

Abstract: Anti-reflection film includes a transparent support, at least one optical functional layer overlaid on the support, and a low refractive index layer, overlaid on the optical functional layer, and having a lower refractive index than the optical functional layer. An anti-reflection film producing apparatus to produce this includes a coater for coating a surface of the optical functional layer with liquid for forming the low refractive index layer, to form a coating layer. A dryer promotes drying of the coating layer. A heater hardens the coating layer from the dryer at a first temperature level, and then hardens the coating layer at a second temperature level higher than the first temperature level, to form the low refractive index layer. Preferably, a difference between the first and second temperature levels is 1-50 deg. C. Also, ultraviolet rays are applied to the low refractive index layer after the hardening of the heater.

Abstract: A method of controlling gloss of an image includes applying an overcoat composition of at least one gellant, at least one curable monomer, at least one curable wax and optionally at least one photoinitiator over a substrate, wherein the overcoat composition is curable upon exposure to ultraviolet radiation; following the applying of the overcoat composition and prior to curing the overcoat composition by applying ultraviolet radiation, applying heat to heat the applied overcoat composition to a temperature of at least 35° C.; and subsequent to the applying heat, applying ultraviolet radiation to the overcoat composition to substantially cure the overcoat composition.

Abstract: The present invention relates to powder compositions curable by ultraviolet irradiation or by accelerated electron beams. These powder compositions comprise at least one ethylenically unsaturated resin, and lend to the production of paint and varnish coatings exhibiting a unique combination of properties, inter alia good flow and mechanical properties and above all outstanding adhesion to metal substrates, persisting on ageing.

Abstract: A method for covering a pattern on a surface of a vacuum-molded three-dimensional article comprises the following steps: printing a desired pattern on a plastic film (30) by gravure printing; hot-pressing the printed plastic film (30) with a plastic board or sheet (10) so that the ink layer (20) of said pattern is formed between the plastic film (30) and the plastic board or sheet (10); forming the plastic board or sheet with the pattern into a desired three-dimensional shape by a hot-forming process.

Abstract: The invention relates to a radiation-curable precious-metal preparation, in particular a bright-gold preparation, that contains—in addition to a gold compound, which in particular is soluble in the printing medium, and further customary organometallic compounds—a radiation-curable, in particular UV-curable, printing medium, the polymerisation being initiated by the UV radiation and proceeding in accordance with a cationic mechanism which may optionally be assisted by y process that takes place simultaneously in accordance with a radical mechanism. The invention also relates to a transfer picture containing the precious-metal preparation, and to a process for decorating substrates that are suitable for decoration firing by direct application/printing and indirect printing (decalcomania).

Abstract: An ultraviolet rays emitter for irradiating ultraviolet rays on an ink of an ultraviolet curing type adhered onto a recording medium includes semiconductor light emitting elements for emitting ultraviolet rays and a support member for mutually supporting these semiconductor light emitting elements in a matrix with optical axes thereof in almost parallel, and the row or column of the semiconductor light emitting elements has a structure in which two kinds of semiconductor light emitting elements having different wavelength ranges or more are arranged in order. Alternatively, an ultraviolet rays emitter has a structure in which a plurality of semiconductor light emitting elements is mutually supported with a support member in a positional relationship in which the optical axes of the respective elements are mutually inclined in such a manner that the irradiation regions of ultraviolet rays emitted from the semiconductor light emitting elements overlap on a recording medium.

Abstract: A continuous method for making a thermoset resin matrix, which is reinforced with predominantly continuous fibers, and the product made from that method. The product can be produced at a thickness below about 0.060?, or even below a thickness of about 0.035?, and incorporated as a material to combine with or attach to other products for providing an increased strength to those other products, such as wood support beams (gluelam), wood laminates, truck floors and trusses. The product can also be used to strengthen composite thermoplastic lumber, other thermoplastic extrusions and moldings, and aluminum extruded products, as well as for being added to pultruded or molded thermoset plastic products to allow for specific areas of increased strength while maintaining a low reinforcement level in other areas and for providing a resin rich surface.

Abstract: Methods of making titania coatings having self-cleaning properties, and associated articles are provided. In certain example instances, a substrate supports a layer comprising titanium dioxide. The substrate may support multiple layers. After curing using ultraviolet radiation and/or electron beams, the resulting coating may inhibit fouling.

Abstract: The present invention discloses a photocurable composition that is combinable with a thermally curable clearcoat composition to form a dual curable composition that is useful for forming clearcoats with improved sag resistance. The photocurable composition of the invention includes at least one photocurable oligomer; a first photoinitiator that absorbs light in a first spectral region such that curing of the photocurable composition preferentially occurs near the surface of the of the coating; and a second photoinitiator that absorbs light in a second spectral region such that curing of the photocurable composition occurs throughout the coating. The present invention also provides a method of coating a substrate with a dual curable composition.

Abstract: In the powder coating of wood substrates, there is the problem that on the one hand they must not become too hot and on the other hand the coating requires a certain temperature for crosslinking. With the known methods and devices, adequate crosslinking is not ensured. The object is to overcome this disadvantage. For this purpose, the freshly sprayed wood substrates (2) are pretreated by means of brief infrared radiation in such a way that the lacquer powder adheres to the wood substrates (2) and that the surfaces of the powder layer are pre-crosslinked. Then, the surfaces of the wood substrates (2) pretreated in this way are subjected to intensive hot air treatment, wherein the average temperature of the wood substrates (2) remains below 100° C.

Abstract: A one-ply or multi-ply food casing based on (co)polyamide, or which has an outer ply based on (co)polyamide, is disclosed that is printed with a printing ink cured by a free radical mechanism. The printing ink is printed on a layer of a base ink which also cures by a free radical mechanism. The base ink contains, in one and the same molecule, at least one group which can form a bond with the (co)polyamide surface, in particular an isocyanate group, and at least one ethylenically unsaturated group which can undergo a free radical polyaddition reaction, in particular a (meth)acrylate group. The print adheres firmly on the casing and is abrasion- and scratch-resistant, even without additional varnish.

Abstract: An ink-jet ink used to form a functional film by ejecting an ink droplet using an ink-jet system onto a non-penetrative substrate includes a compound that has an amino group and an alkylene glycol portion within a molecule and serves as a wettability enhancer. Also provided are a method of producing the ink-jet ink, a method of producing a color filter using the ink-jet ink, and a method of forming a color filter or a functional film.

Abstract: A method for a layer-wise manufacturing of a three-dimensional object has a first step of providing a layer of a material in powder form or a liquid material on a support or a layer that has already been solidified at selected positions previously and a second step of directing a focussed photon or particle beam (8?) selectively at selected positions of the layer. In the process in the second step the photon or particle beam is selected such that it brings about a change of the absorption of the material when hitting the layer. After the termination of the second step a third step is carried out, in which the layer is irradiated by means of electromagnetic radiation (18?) such that the material is homogenously solidified at those positions of the layer that correspond to the cross-section of the object to be formed.

Abstract: The invention relates to a photosensitive dispersion with adjustable viscosity for metal deposition on an insulating substrate, which combines the following: a pigment providing oxidation-reduction properties under light irradiation, a metallic salt, a complex-forming agent for the metallic salt, a liquid film-forming polymer formulation, a basic compound, an organic solvent and water. The invention also relates to the use of said dispersion.

Abstract: The present invention provides a method of forming a coating film on a substrate comprising the steps of: (i) coating the substrate with a thermosetting and photocurable coating composition to form a wet coating film, (ii) heating the wet coating film to semicure the coating film, and (iii) irradiating the semicured coating film with light to cure the coating film.

Abstract: There are provided a silicon-film-forming composition containing silicon particles and a dispersion medium and a method for forming a silicon film by forming a coating film of the silicon-film-forming composition on a substrate and subjecting the coating film to instantaneous fusion, a heat treatment or a light treatment. According to the composition and the method, a polysilicon film with a desired thickness which may be used as a silicon film for a solar battery can be formed efficiently and easily.

Abstract: Methods for providing surface coverings with differential gloss, and surface coverings prepared by the method, are disclosed. The methods involve screen printing or rotogravure printing a relatively low gloss primer onto portions of a substrate surface covering. The primer-coated substrate is then coated with a relatively higher gloss coating composition, and the coating compositions are cured, advantageously in a single curing step. The result is a surface covering including a top coat having a lower gloss level overlying the primer and a higher gloss level in the regions not overlying the primer.

Abstract: A special method is provided for more uniformly and quickly curing products with a scratch-resistant UV curable coating or UV curable printing thereon with high intensity UV light, such as for wires, cables, tubes, tubing, hoses, pipes, CDs, DVDs, golf balls, golf tees, eye glass lenses, contact lenses, string instruments, decorative labels, peelable labels, peelable stamps, doors, countertops, etc. The method can also be operated with one or more special UV curing apparatus equipped with a controller and one or more super high power UV-LED modules.

Abstract: The image forming method includes the steps of: ejecting and depositing an ink containing a coloring material and a radiation polymerizable compound on an intermediate transfer body, the radiation polymerizable compound having a molecular structure including a radical polymerizable group and a cationically polymerizable group; then irradiating the ink on the intermediate transfer body with a first radiation so that one of the radical polymerizable group and the cationically polymerizable group is selectively polymerized and cured; then heating the selectively polymerized and cured ink to a temperature not lower than a softening point of the selectively polymerized and cured ink and not higher than a temperature above the softening point by 10° C.

Abstract: The present invention is directed to a conductive article and method of making the same that includes a substrate; a conductive composite including a conductive material in a matrix that includes one or more film forming resins having at least one functional group capable of polymerization; one or more adhesion promoters; and one or more compounds, which are reactive with the film forming resin and which also contain at least one acidic moiety.

Abstract: The present invention relates to a process for the preparation of a polymeric relief structure by a) coating a substrate with a first coating composition comprising one or more radiation-sensitive ingredients, d) locally treating the coated substrate with electromagnetic radiation having a periodic or random radiation-intensity pattern, forming a latent image, e) polymerizing and/or crosslinking the resulting coated substrate to a first coating. This process is improved by applying a second coating composition on top of the first coating composition, said second coating composition comprising either an organic compound (Co) of a monomeric nature and wherein Co is also polymerized during the process, or wherein said second coating comprises a dissolved polymer (Cp). As a result a polymeric relief structure is obtained, where a substrate is coated with a functional, stacked, bi-layer, in which each layer exhibits a specific, and from each other differing function.

Abstract: The invention provides crosslinked rubber moldings for golf balls obtained by spherically molding and crosslinking a rubber composition containing a base rubber, a co-crosslinking agent and a crosslinking agent, then impregnating the crosslinked rubber molding with a rubber compounding chemical and inducing a chemical reaction. The rubber compounding chemical-impregnated crosslinked molding has a higher surface hardness than the crosslinked molding prior to impregnation. The invention also provides a method for manufacturing such crosslinked rubber moldings for golf balls. The invention enables a sufficient rise in the surface hardness of the core to be achieved, thus increasing the degree of freedom in the design of the golf ball.

Abstract: A curable method useful for encapsulating solid state devices includes (A) an epoxy resin; (B) an effective amount of a cure catalyst comprising (B1) a first latent cationic cure catalyst comprising a diaryl iodonium hexafluoroantimonate salt; (B2) a second latent cationic cure catalyst comprising (B2a) a diaryl iodonium cation, and (B2b) an anion selected from perchlorate, imidodisulfurylfluoride anion, unsubstituted and substituted (C1-C12)-hydrocarbylsulfonates, (C2-C12)-perfluoroalkanoates, tetrafluoroborate, unsubstituted and substituted tetra-(C1-C12)-hydrocarbylborates, hexafluorophosphate, hexafluoroarsenate, tris(trifluoromethylsulfonyl)methyl anion, bis(trifluoromethylsulfonyl)methyl anion, bis(trifluoromethylsulfuryl)imide anion, and combinations thereof; and (B3) a cure co-catalyst selected from free-radical generating aromatic compounds, peroxy compounds, copper (II) salts of aliphatic carboxylic acids, copper (II) salts of aromatic carboxylic acids, copper (II) acetylacetonate, and combinations

Abstract: The present invention is directed to a method for producing a high gloss coating on a printed surface. In the present method, an aqueous coating composition is deposited onto a surface to be printed using a blanket roller coating face which is a low energy, non-stick, smooth surface profile. In the present method, simultaneous with the deposition of aqueous coating onto a substrate, or shortly thereafter, pressure either alone or in combination with heat may be applied to the coating in order to create a substantially tack-free surface conforming to the surface of the coating face. By using a highly polished coating face, high gloss coatings may be readily obtained using this methodology in a number of traditional printing techniques including wet trap inline sheet-fed printing, heat-set offset printing, dry trap inline flexographic printing, offset web-fed printing and gravure printing.

Abstract: A method for applying a decorative metal finish to a substrate is provided which includes the following steps. The method employs depositing a thermally cured leveling layer overlying the substrate, and then subsequently a radiation-cured layer overlying the leveling layer. A decorative metallic layer then is deposited overlying the radiation-cured layer, which in a preferred embodiment is selected to provide a strong adhesive bond to the deposited decorative metal layer. A layered structure made by the foregoing method also is provided.

Abstract: Surface covering components that include a topcoat layer with different gloss levels in various regions on the top coat layer, and methods of manufacturing such surface covering components, are disclosed. The surface covering components include a coating layer that includes regions that have a relatively higher gloss, and regions with a relatively lower gloss. The differential gloss is provided by coating a substrate with a UV-curable coating composition, subjecting a first region of the surface coating to polymerization under a first set of conditions, and subjecting a second region of the surface coating to polymerization under a second set of conditions. The UV-curable coating compositions include UV-curable components and one or more flatting agents. The different polymerization conditions involve applying various photoinitiators, thermal initiators and/or cure altering agents to some regions of the coated substrate, and not applying these components to other regions of the substrate.

Abstract: An improved method for curing coatings on optical fibers, without creating additional heat and compromising the manufacturing speed of optical fibers. The method of curing a coating on an optical fiber includes the steps of passing an optical fiber through a coating die, applying a coating to the optical fiber, curing the coating on the optical fiber and exposing the optical fiber to ultrasound to facilitate curing of the coating.

Abstract: A method of forming a layer or layers are disclosed which comprises the steps of transporting a substrate having a first surface and a second surface on the side opposite the first surface to a gap formed between a first electrode and a second electrode opposing each other, the second surface having a coefficient of kinetic friction of not more than 0.9; and subjecting the first surface of the substrate to plasma discharge treatment to form the layer at atmospheric pressure or at approximately atmospheric pressure while supplying a reactive gas to the gap.

Abstract: A UV curing apparatus and method is provided for enhancing UV curing of inks, coatings and adhesives having UV photo initiators therein by subjecting the UV curable inks, coatings or adhesives to UV light at different wavelengths. Preferably, the UV LED assemblies are alternated in rows and emit light at a wavelength between 180 nm and 420 nm. A row of UV-LED assemblies which emit light in the visible spectrum can be included so a user can visually see if the apparatus is working. A cooling system can be provided for maintaining the UV-LED assemblies at a desired temperature to maintain light intensity and the UV LED assemblies are placed at a distance from the UV curable product which will provide a uniform pattern of light diverging from the UV-LED chips of at least 50% the power output of the UV-LED chips at a viewing cone angle of 2?1/2. Still further the apparatus can be combined with an ink, coating or adhesive having photo initiators that are activated by light at more than one wavelength.

Abstract: Aqueous polymer dispersions comprising a) 50–70% by weight of polymer particles composed of at least two different (co)polymers having glass transition temperatures each above 50° C. and synthesized from at least 80% by weight of at least one principal monomer, 0.1–10% by weight of at least one auxiliary monomer, and 0–3% by weight of at least one crosslinker molecule, the difference in the glass transition temperatures (Tg) of the different polymers being at least 10° C., and b) 30–50% by weight of at least one polyfunctional (meth)acrylate, the dispersion a) being subjected to physical and/or chemical deodorization.

Abstract: A UV curing apparatus and method is provided for enhancing the distribution and application of UV light to UV photo initiators in a UV curable ink, coating or adhesive. The UV curing apparatus and method comprises UV LED assemblies in a first row with the UV LED assemblies spaced from adjacent UV LED assemblies. At least one second row of a plurality of UV LED assemblies are provided next to the first row but with the UV LED assemblies of the second row positioned adjacent the spaces between adjacent UV LED assemblies in the first row thereby to stagger the second row of UV LED assemblies from the UV LED assemblies in the first row. Desirably, the rows of staggered UV LED assemblies are mounted on a panel. UV curable products, articles or other objects containing UV photo initiators that are in or on a web can be conveyed or otherwise moved past the rows of UV LED assemblies for effective UV curing.

Abstract: In the condition that an acrylic transparent vessel is filled with a curable resin solution capable of being cured by a light, a plastic optical fiber is immersed in the curable resin solution. A laser beam is applied on the curable resin solution through the plastic optical fiber. The curable resin solution is cured gradually by the laser beam applied on the curable resin solution, so that an axial core is formed. Then, the transparent vessel is left at rest for predetermined time, or uncured part of the curable resin solution is removed from the transparent vessel and the transparent vessel is then filled with another curable resin solution. Then, ultraviolet rays are applied on the transparent vessel from the outside of the transparent vessel to cure the residual uncured part of the curable resin solution.