Abstract: A method of forming a three-dimensional object, wherein said three-dimensional object is an insert for use between a helmet and a human body, is described. The method may use a polymerizable liquid, or resin, useful for the production by additive manufacturing of a three-dimensional object, comprising a mixture of (i) a light polymerizable liquid first component, and (ii) a second solidifiable component that is different from said first component.

Abstract: Disclosed herein are graft polymers having a copolymer backbone and polycyclic aromatic hydrocarbon branches for use as a nanofiller dispersant and methods for making the same. Also disclosed are elastomeric nanocomposite compositions comprising a halobutyl rubber matrix, nanoparticles of graphite or grapheme, and the graft polymer. Such elastomeric nanocomposite compositions are suitable as tire innerliners or innertubes.

Abstract: The present disclosure provides coating compositions that can be cured at fast rates as well as coatings and cured products formed from the coating compositions. The coating compositions include an acylgermane photoinitiator that leads to fast cure speeds. The coating compositions include primary coating compositions and secondary coating compositions. The coating compositions can be cured to form primary and secondary coatings of optical fibers. The primary coatings feature low Young's modulus and high tear strength. The primary coatings provide good microbending performance and are resistant to defect formation during the fiber draw process and subsequent handling operations. The secondary coatings feature high Young's modulus and good puncture resistance.

Abstract: A method of forming a three-dimensional object, wherein said three-dimensional object is an insert for use between a helmet and a human body, is described. The method may use a polymerizable liquid, or resin, useful for the production by additive manufacturing of a three-dimensional object, comprising a mixture of (i) a light polymerizable liquid first component, and (ii) a second solidifiable component that is different from said first component.

Abstract: A method of creating a functionally-graded multi-material (FGM) part in multi-material additive manufacturing includes providing a part digitized into voxels, generating a lattice structure having a series of repeating unit cells, where each is the smallest nonrepeating constituent of the lattice structure and is generated by a continuous surface defined by a continuous function. The method further includes taking an inverse volume of the lattice structure within the part, creating a material gradient by varying a thickness of the surface at the boundary between the lattice structure and the inverse volume, assigning one of the two FGM component materials to the voxels in the volume occupied by the lattice structure and assigning the other to the voxels occupied by the inverse volume, outputting the voxels each with a designated material, the lattice structure and the inverse volume forming a mechanical interlock at the interface of the two component materials.

Abstract: The invention relates to a coating composition based on organic or water-based solvent, containing at least one binder (A), optionally at least one cross-linking agent (B), and at least one matting agent (M) based on silicon dioxide (SiO2), wherein the coating composition contains a combination of a) a matting agent based on silicon dioxide (SiO2) that is surface-modified with one or more waxes, b) an organic matting agent, and c) polyamide particles, and a clear lacquer comprising a coating composition of this type. In this way, automobile series paints can be produced having targeted, adjustable low gloss.

Abstract: The method for producing noble metal nanocomposites involves reducing noble metal ions (Ag, Au and Pt) on graphene oxide (GO) or carbon nanotubes (CNT) by using Artocarpus integer leaves extract as a reducing agent. As synthesized MNPs/GO and MNPs/CNT composites have been characterized using X-ray diffraction (XRD), transmission electron microscope (TEM) imaging, and energy dispersive X-ray spectroscopy (EDX). The TEM images of prepared materials showed that the nanocomposites were 1-30 nm in size with spherical nanoparticles embedded on the surface of GO and CNT. This synthetic route is easy and rapid for preparing a variety of nanocomposites. The method avoids use of toxic chemicals, and the prepared nanocomposites can be used for biosensor, fuel cell, and biomedical applications.

Abstract: A composite coating having a high refractive index, high Abbe number, low haze and high transmittance, suitable for fabricating nanoscale optical surface features includes a resin with a crosslinked polymer matrix having polymers with repeat units derived from acrylic or methacrylic monomers or oligomers and inorganic nanoparticles disposed within the resin, wherein the composite coating has a refractive index equal to or greater than 1.7 and a glass transition temperature equal to or greater than 60° C.

Abstract: Photocurable millable polyurethane gum compositions contain a millable polyurethane gum having ethylenic unsaturation, photocatalyst, and a low molecular weight crosslinker containing minimally two ethylenically unsaturated groups. The compositions can be used to continuously extrude profiles which retain their shape.

Abstract: This invention is related to compositions that can be used to protect surfaces, such as those found on bowling lanes (both synthetic and wood). The compositions are low viscosity and contain little to no VOCs (volatile organic compounds). In one embodiment, the flowable compositions are 100% solids, while in another embodiment, they are solvent-borne compositions that only include VOC-exempt solvents. Regardless of the embodiment, the compositions can be cured via UV LED light to yield scratch, abrasion, and impact resistant coatings.

Abstract: Elastomeric polymers and compounded elastomers having reduced amounts of leachables and improved resistance to ?-irradiation sterilization suitable for pharmaceutical stopper and seal applications. These polymers and compounded elastomers maintain their physical performances upon being exposed to ?-irradiation over time and typical use conditions. The polymer is prepared by reacting a mixture of i) a C4 to C7 isoolefin monomer, ii) a styrene based monomer, and optionally iii) a C4 to C14 multiolefin monomer wherein the polymer contains 5 to 15 wt % of styrene derived units.

Abstract: Flooring underlayments may be formed by combining an epoxy based resin component, a curing agent component, and an aggregate component. The resulting underlayment may be a lightweight material with a low viscosity that allows the underlayment to be self-leveling. Further, the underlayment may be designed for application in both wet and dry spaces. In certain embodiments, the underlayment may have a weight less than approximately 7.8 kg/m2 (1.6 lb/ft2) when applied at a nominal thickness of 0.635 cm (0.25) inches. Moreover, the underlayment may be designed to conform to the SOLAS requirements administered by the International Maritime Organization (IMO). Specifically, the underlayment may be designed to conform to IMO Resolution MSC.61(67).

Abstract: A conductive composition includes a mono-acid hybrid that includes an unprotected, single reactive group. The mono-acid hybrid may include substantially non-reactive groups elsewhere such that the mono-acid hybrid is functional as a chain terminator. Methods and devices using the compositions are also disclosed.

Abstract: An infrared cut filter includes: a transparent dielectric substrate; an infrared reflecting layer formed on one surface of the transparent dielectric substrate and configured to reflect infrared light; and an infrared absorbing layer formed on the other surface of the transparent dielectric substrate and configured to absorb infrared light. The infrared absorbing layer is formed by encapsulating infrared absorbing pigment in a matrix containing silica, formed by a sol-gel method, as a main component.

Abstract: A method of formulating ink for high-speeding printing includes controlling a surface tension of the ink to equal to or greater than 26 mN/m, equal to or greater than 28 mN/m, or equal to or greater than 30 mN/m. The surface tension is measured when the ratio of the total non-volatiles volume fraction of the ink to the maximum total non-volatiles volume fraction of the ink is a ratio between about 0.40 and about 0.90. An ink for high-speed printing includes one or more resins, one or more colorants, one or more solvents, and one or more additives. The ink can be a flexographic ink, a rotogravure ink, a heatset offset ink, or a publication gravure ink. A print of the ink includes less than 1% of pinholes by area. A method of printing includes preparing an ink and applying the ink to a substrate. The ink has a surface tension of equal to or greater than 26 mN/m, and the substrate moves at a speed of greater than 1200 feet/min.

Abstract: An integrated silicone for protecting electronic devices includes a base resin, a thermal initiator, and a photoinitiator.

Abstract: Methods are disclosed for synthesizing nanocomposite materials including ferromagnetic nanoparticles with polymer shells formed by controlled surface polymerization. The polymer shells prevent the nanoparticles from forming agglomerates and preserve the size dispersion of the nanoparticles. The nanocomposite particles can be further networked in suitable polymer hosts to tune mechanical, optical, and thermal properties of the final composite polymer system. An exemplary method includes forming a polymer shell on a nanoparticle surface by adding molecules of at least one monomer and optionally of at least one tethering agent to the nanoparticles, and then exposing to electromagnetic radiation at a wavelength selected to induce bonding between the nanoparticle and the molecules, to form a polymer shell bonded to the particle and optionally to a polymer host matrix. The nanocomposite materials can be used in various magneto-optic applications.

Abstract: A method and a system for producing a change in a medium. The method places in a vicinity of the medium at least one energy modulation agent. The method applies an initiation energy to the medium. The initiation energy interacts with the energy modulation agent to directly or indirectly produce the change in the medium. The system includes an initiation energy source configured to apply an initiation energy to the medium to activate the energy modulation agent.

Abstract: A method and a system for producing a change in a medium disposed in an artificial container. The method places in a vicinity of the medium at least one of a plasmonics agent and an energy modulation agent. The method applies an initiation energy through the artificial container to the medium. The initiation energy interacts with the plasmonics agent or the energy modulation agent to directly or indirectly produce the change in the medium. The system includes an initiation energy source configured to apply an initiation energy to the medium to activate the plasmonics agent or the energy modulation agent.

Abstract: The present invention relates to an adhesive using wire pigments and a manufacturing method thereof. According to an embodiment of the present invention, an adhesive using wire pigments, which includes an adhesive resin composition including a photocurable adhesive material; and wire pigments formed in a nano-sized wire structure to be immersed in the adhesive resin composition and having light shielding properties, is provided. Further, a manufacturing method of an adhesive using wire pigments is provided.

Abstract: The copolymer of styrene and methylmethacrylate containing reduced graphene oxide/silver nanoparticles (PS-PMMA/RGO/AgNPs) nanocomposite were prepared via in situ bulk polymerization method using two different preparation techniques. In the first approach, a mixture of graphene oxide (GO), styrene (S) and methylmethacrylate monomers (MMA) were polymerized using a bulk polymerization method with a free radical initiator. After the addition silver nitrate (AgNO3), the product was reduced via microwave irradiation (MWI) in presence of the reducing agent hydrazine hydrate (HH), to obtain R-(GO-(PS-PMMA))/AgNPs nanocomposite. This nanocomposite was then used to create a material that had antimicrobial properties to be used in medical devices or medical related implants.

Abstract: This invention relates to a printing ink and in particular to an ink for ink-jet printing which is cured by irradiation. The ink comprises at least one radiation-curable monomer; at least one passive thermoplastic resin; at least one radical photoinitiator; and at least one colouring agent; wherein the ink has a viscosity of less than 100 mPas at 25° C., and wherein the at least one passive resin is present at 2 to 15 wt % based on the total weight of the ink and has a molecular weight of 1,500 to 70,000.

Abstract: A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; wherein the polymerizable composition of the liquid consists of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 different from the group G1; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates.

Abstract: An ink composition which is used for active energy ray-curable inkjet printing, has excellent curability or adhesiveness to multiple base materials while having low viscosity, and exhibits excellent non-yellowing properties of the printed matter is provided. The composition comprises a polymerizable monomer (A) and photopolymerization initiators (B), the polymerizable monomer comprising 2-(2-vinyloxyethoxy)ethyl acrylate (A-1), and the photopolymerization initiators comprising oligo(2-hydroxy-2-methyl-1-(4-(1-methylvinyl)phenyl)propanone) (B-1) and other initiator (B-2).

Abstract: A method and a system for producing a change in a medium disposed in an artificial container. The method places in a vicinity of the medium at least one of a plasmonics agent and an energy modulation agent. The method applies an initiation energy through the artificial container to the medium. The initiation energy interacts with the plasmonics agent or the energy modulation agent to directly or indirectly produce the change in the medium. The system includes an initiation energy source configured to apply an initiation energy to the medium to activate the plasmonics agent or the energy modulation agent.

Abstract: A system and method are provided for producing Magnetic Ink Character Recognition (MICR) characters on image receiving medium substrates using a variable digital data offset lithographic architecture which provides for varying lithographic images between cycles of a marking device. MICR inks are provided with a solid particle magnetizable pigment components in a proportion of at least 20% by weight suspended in solution in the ink composition. MICR inks are provided with a solid particle magnetizable pigment components having particle sizes in excess of one micron suspended in solution in the ink composition. The disclosed systems and methods provide for MICR characters to be formed on an image receiving medium substrate over background images applied using other inks in a single device, and/or in a single pass of the image receiving medium substrate through the device.

Abstract: This invention relates to an adhesive composition for an optical device, including pigment balls having a core-shell structure, a thermocurable monomer or oligomer, a photocurable monomer or oligomer, a photoinitiator and a thermal initiator, and to a method of adhering an optical device using the adhesive composition. The adhesive for an optical device according to this invention can improve light shielding and photocuring properties.

Abstract: An ink set includes a metallic ink composition containing a metal pigment and at least one curable ink composition selected from the group consisting of a chromatic ink composition, a black ink composition, and a white ink composition.

Abstract: A hybrid polymer composition can include a polymeric material that has dispersed within it a plurality of photocatalytic particles and a plurality of conductive particles at least some of which are in contact with one or more of the plurality of photocatalytic particles such that the conductive particles provide electron donating and electron accepting properties to the photocatalytic particles to enhance the creation of free radicals upon exposure of the hybrid polymer composition to one or more degradation enhancing factors. Examples of degradation enhancing factors can include, but are not limited to, one or more of visible light, ultraviolet light, moisture, and ozone. The photocatalytic particles can include a metal oxide, such as for example titanium dioxide and/or another non-toxic metal oxide. Related methods, articles, and the like are described.

Abstract: A radiation curable solid ink composition comprising at least one curable wax that is curable by free radical polymerization; at least one monomer, oligomer, or prepolymer; at least one non-curable wax; at least one free-radical photoinitiator or photoinitiating moiety; and a colorant; wherein the components form a curable ink composition that is a solid at a first temperature of from about 20 to about 25° C.; and wherein the components form a liquid composition at a second temperature of greater than about 40° C.

Abstract: The present invention provides an energy ray-curable ink composition excellent in the continuous discharge property, and excellent in curability and adherability. The present invention relates to an energy ray-curable ink composition which contains a coloring agent, contains only a monofunctional monomer having an acrylic equivalent of 300 or less, and having one ethylenic double bond in one molecule, and a polyfunctional monomer having an acrylic equivalent of 150 or less, and having two or more ethylenic double bonds in one molecule as a polymerizable compound, contains an ?-aminoalkylphenone compound and a thioxanthone compound as a photopolymerization initiator, and contains a silicone compound having a polydimethylsiloxane structure as a surface conditioner.

Abstract: A radically polymerizable photo-curable ink jet ink composition contains a radically polymerizable compound, a white pigment, a polymer dispersant, and at least one saturated aliphatic carboxylic acid.

Abstract: A materials system and methods are provided to enable the formation of articles by 3D printing. In some embodiments, a materials system includes a substantially dry particulate material that includes an insoluble filler, a soluble filler, and a transition metal catalyst. The materials system further comprises a fluid binder including a (meth)acrylate monomer, an allyl ether functional monomer and/or oligomer, and a free-radical photoinitiator.

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

Abstract: The present invention provides a bezel sealant for use in a polymer stabilized vertical alignment liquid crystal display. The bezel sealant includes at least the following compositions: epoxy resin 20-60% by weight, curing agent 5-50% by weight, methacrylate resin or acrylate resin 20-60% by weight, photoinitiator 0.1-1% by weight, filler 5-35% by weight, and silane coupling agent 0.05-5% by weight. The molecular weight of the methacrylate resin or the acrylate resin is greater than or equal to 500. According to the embodiment of the present invention, the dissolution of the methacrylate resin or acrylate resin in the bezel sealant by the liquid crystal medium is prevented to avoid the over-sized bumps formed in the periphery of the bezel. Light leakage phenomenon in the periphery of the bezel is decreased to increase product yield rate.

Abstract: The present invention relates to fiber-reinforced composites, particularly application-oriented composites useful in dental and medical applications/appliances, such as fiber reinforced dental composites, and to a method for the manufacture thereof. Particularly the invention concerns random glass fiber-reinforced restorative composite resins with semi-interpenetrating polymer network matrix and their use in dental applications like cavity fillings, core composites, provisional and semi-permanent crown and bridge composite, cements and adhesives.

Abstract: A process for the preparation of lanthanum containing polyacrylates for optical applications. The process consists in dispersing lanthanum oxide in acrylic acid to form a monomer mixture. An aromatic carboxylic acid is added to the monomer mixture and then a cross linking agent is added thereto. Such a monomer mixture is subjected to the step of polymerization by gamma radiation.

Abstract: A water-proof coating system for reflecting solar radiation, which comprises optionally a base layer on a substrate and a reinforcing layer on the base layer; a white reflective and water-proof layer on the substrate or on the reinforcing layer; and a decorative and reflective layer on the white reflective and water-proof layer; wherein the decorative and reflective layer comprises colored infrared-reflective pigments. Water-borne coatings for forming a decorative and reflective layer in the coating system, which comprise acrylic polymers, colored infrared-reflective pigments and UV cross-linking agents. Said coating system can reflect solar radiation with high efficiency and effectively prevent water from penetrating through; has strong stain resistance and good weather resistance; has strong adhesion to various substrates; and also offers diversified colors for choosing. Said water-borne coatings can be applied easily, and are environment friendly.

Abstract: A transparent white ink composition is formulated to brighten, lighten and or dilute full-tone primary inkjet colors: cyan; magenta; yellow and black, eliminating the need for ‘light ink’ primary color inks. The transparent white ink is jetted concurrently with reduced amounts of full-tone inks in lighter tonal areas conventionally supported by ‘light ink’ primary inks. Printing ‘light ink’ primary colors using a transparent white ink composition may reduce the number of print channels needed to print all four primary colors and the four ‘light ink’ primary colors. Embodiments of the transparent white ink composition may be solvent- or water-based, drying by evaporation of the carrier fluid. Other embodiments may be radiation-curable ink compositions. An inkjet printer includes print carriage and print head assemblies configured for jetting a primary color ink and the transparent white ink in the same pass in correct proportions to achieve a desired effect.

Abstract: The present invention provides a dental adhesive material kit having excellent bond durability. The present invention is represented by a dental adhesive material kit containing a dental aqueous adhesive composition (A) and a multi-part type dental nonaqueous curable composition (B). The dental aqueous adhesive composition (A) contains a polymerizable monomer (a) having an acidic group, an aliphatic polymerizable monomer (b) having no acidic group, water (c), and an amine-based reducing agent (d1) containing no sulfur atom. The multi-part type dental nonaqueous curable composition (B) contains an aliphatic polymerizable monomer (b) having no acidic group, an aromatic polymerizable monomer (e) having no acidic group, a powdery water-soluble reducing compound (f) containing a sulfur atom, an organic peroxide (g), and an amine-based reducing agent (d2) containing no sulfur atom.

Abstract: A heat-sealable coating composition curable by actinic radiation containing a monofunctional (meth)acrylate monomer, a multifunctional (meth)acrylate monomer, vinyl modified diene block copolymer, a diene block copolymer, a vinyl modified diene, and mixtures thereof, and at least one photoinitiator. The heat sealable resin is dissolved or finely dispersed in said monomer mixture. Also disclosed is a blister pack formed by the heat sealing the cured composition.

Abstract: The present invention provides: an ink composition which contains at least a polymerizable compound, a photopolymerization initiator and a coloring material, and is free from an aqueous solvent, wherein the polymerizable compound comprises at least a urethane oligomer; a two-pack curing ink composition set comprising an ink composition containing a coloring material and a reaction liquid containing a photopolymerization initiator and capable of forming an image with an ink composition obtained by mixing the ink composition and the reaction liquid, wherein the ink composition after mixing contains at least a polymerizable compound, a photopolymerization initiator and a coloring material, and is free from an aqueous solvent, wherein the polymerizable compound comprises a urethane oligomer.

Abstract: Provided is an ultraviolet-curable ink jet ink composition with excellent curability and storage stability, the composition containing a monomer A represented by Formula (I): CH2?CR1—COOR2—O—CH?CH—R3 (wherein R1 represents a hydrogen atom or a methyl group, R2 represents a C2-C20 divalent organic residue, and R3 represents a hydrogen atom or a C1-C11 monovalent organic residue); a (meth)acrylated amine compound; a hindered amine compound other than the (meth)acrylated amine compound; and a photopolymerization initiator.

Abstract: A method for printing a curable ink, the curable ink comprises a mixture of reactive monomers and oligomers; at least one pigment; at least one photo initiator; and at least a resin out of phenolic resin, amino resin and epoxy resin.

Abstract: A method and a system for producing a change in a medium. The method places in a vicinity of the medium at least one energy modulation agent. The method applies an initiation energy to the medium. The initiation energy interacts with the energy modulation agent to directly or indirectly produce the change in the medium. The system includes an initiation energy source configured to apply an initiation energy to the medium to activate the energy modulation agent.

Abstract: A dental restorative composite and a method of curing the composite are disclosed in which the composite includes a polymerizable organic resin, a radiation activated initiator having an activation wavelength, an inert filler; and luminescent crystals, wherein the luminescent crystals emit radiation at a predetermined wavelength matching the initiator activation wavelength when the luminescent crystals are irradiated with radiation having a wavelength longer than the activation wavelength, the luminescent crystals being up-converting particles that result in those particles emitting radiation at a wavelength that initiates curing.

Abstract: A process for the preparation of lead containing polyacrylates for optical applications. The process consists in dispersing lead monoxide in acrylic acid to form a monomer mixture. An aromatic carboxylic acid is added to the monomer mixture and then a cross linking agent is added thereto. Such a monomer mixture is subjected to the step of polymerization by gamma radiation.

Abstract: A process for the preparation of barium containing polyacrylates for optical and coating applications. The process consists in dispersing octahydrate of barium hydroxide in acrylic acid to form a monomer mixture. An aromatic carboxylic acid is added to the monomer mixture and then a cross linking agent is added thereto. Such a monomer mixture is subjected to the step of polymerization by gamma radiation.

Abstract: A photopolymerizable composition and an optical sheet comprising a cured resin layer formed therefrom. The polymerizable composition has a high refractive index and excellent light resistance and is thus useful for an optical sheet assembly for a backlight unit.

Abstract: A free radical curable liquid for inkjet printing of food packaging materials includes no initiator or otherwise one or more initiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric initiators, polymeric initiators, and polymerizable initiators; wherein the polymerizable composition of the liquid consists essentially of: a) 25-100 wt % of one or more polymerizable compounds A having at least one acrylate group G1 and at least one second ethylenically unsaturated polymerizable functional group G2 different from the group G1; b) 0-55 wt % of one or more polymerizable compounds B selected from the group consisting of monofunctional acrylates and difunctional acrylates; and c) 0-55 wt % of one or more polymerizable compounds C selected from the group consisting of trifunctional acrylates, tetrafunctional acrylates, pentafunctional acrylates and hexafunctional acrylates.