Abstract: There is provided a photosensitive resin composition for microlenses. A photosensitive resin composition for microlenses including a component (A), a component (B) and a solvent. The component (A): a copolymer having a maleimide structural unit of Formula (1) and a repeating structural unit of Formula (2). The component (B): a photosensitizer (in Formula (2), R0 is a hydrogen atom or a methyl group; R1 is a single bond or a C1-5 alkylene group; R2 is a thermally cross-linkable monovalent organic group; and in the repeating structural unit of Formula (2), R0s are optionally different from each other).

Abstract: Provided is an acrylic film for punching excellent in transparency and free from breakage or whitening even if it is punched. The present invention is an acrylic film for punching containing a polymer (C) containing a di(meth)acrylate (A) unit represented by general formula (1) below and a mono(meth)acrylate (B) unit: —CH2—CR1—COO—(X)n—COCR1—CH2—??(1) wherein (X) represents at least one repeat unit selected from C2H4O, C3H6O and C4H8O; the molecular weight of (X)n is 500 or more; and R1 represents H or CH3.

Abstract: Disclosed is a photocurable organopolysiloxane composition including (A) 100 parts by weight of diorganopolysiloxane having at least two silicon atoms having a hydroxyl group and/or hydrolyzable group attached thereto in one molecule; and (B) 0.1 to 30 parts by weight of a complex compound composed of titanium(meth)acrylate-trialkoxide and ?-diketone. It will find use as a sealing agent, adhesive, coating material. It is particularly suitable for micro pars and precision molding on account of its good curability and very little cure shrinkage.

Abstract: The present invention relates to a fluorene-based resin polymer, and a photosensitive resin composition including the same, and the fluorene-based resin polymer according to the exemplary embodiment of the present invention has a high molecular weight, a low acid value, and excellent developing property, adhesive property and stability.

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: Various embodiments of the present invention generally relate to a light-cure and dual-cure resin that have low color and is color stable over conventional light, self and dual-cured resins. Additionally, the light-cure resin has enhanced degree of cure over conventional light-cure resins. Finally, due to the low color and enhanced color stability of the dual-cure resins, their inherent property of having lower shrinkage stress as compared to light-cure resins can now be utilized in various dental applications and other resin applications.

Abstract: The disclosure provides curable inks including a diurethane gelator having the structure of Formula I. wherein R and R? each, independently of the other, is a C1-C22 saturated aliphatic hydrocarbon group selected from the group consisting of (1) linear aliphatic groups, (2) branched aliphatic groups, (3) cyclic aliphatic groups, (4) aliphatic groups containing both cyclic and acyclic portions, any carbon atom of the saturated aliphatic hydrocarbon group may be optionally substituted with an alkyl group (cyclic or acyclic), wherein (1) and (2) groups have a carbon number of from about 1 to about 22 carbons, and wherein (3) and (4) groups have a carbon number of from about 4 to about 10 carbons; and X is selected from the group consisting of: (i) an alkylene group, (ii) an arylene group, (iii) an arylalkylene group, and (iv) an alkylarylene group.

Abstract: Crosslinked polyolefin blends, methods for their production, and articles made of the same are provided. In at least one specific embodiment, the polyolefin blends comprise a first polymer formed in a first reactor and a second polymer formed in a second reactor. The first and second polymers, as well as the resulting blend, may comprise units derived from propylene, ethylene, and a diene. The blended composition can then be compounded with one or more coagents, antioxidants, UV sensitizers, and/or other additives and crosslinked, preferably by exposure to UV radiation and/or energetic photons. The crosslinked polymers are particularly useful for making fibers, films, and nonwovens.

Abstract: A UV-curable optical resin adhesive composition is provided having excellent transparency, adhesion reliability, and durability without causing any adverse affect on image qualities such as luminance and contrast, and suitable for a reworking (repairing) process. The UV-curable optical resin adhesive composition fills a gap between an image display panel and a protective cover plate. The UV-curable optical resin adhesive composition contains, a urethane acrylate-based polymer (A) having a (meth) acryloyl group and a hydroxyl group on side chains thereof, and a photopolymerization initiator (B).

Abstract: Provided is a method for providing a composition comprising at least one propylene-based polymer; at least one of multifunctional acrylates, multifunctional methacrylates, functionalized polybutadiene resins, functionalized cyanurate, and allyl isocyanurate; at least one of hindered phenols, phosphites, and hindered amines; and at least one photoinitiator for UV curing. The propylene-based polymer can include propylene derived units and one or more dienes, and have a triad tacticity of from 50% to 99% and a heat of fusion of less than 80 J/g. The composition can be extruded and crosslinked. The crosslinked composition is particularly useful for making films and fibers.

Abstract: Provided is a photocurable resin composition, which has sensitivity equal to or greater than existing compositions, has alkali development properties, and which produces a cured product that does not become brittle with changes in temperature, and which also has excellent reliability in terms of water resistance, electrical insulating properties, PCT resistance, and the like. The photocurable resin composition comprises a carboxyl group-containing resin, a photopolymerization initiator, a vinyl group-containing elastomer, and a styryl group-containing compound.

Abstract: A molding composition and a method of forming a pattern. The method includes forming on a substrate a molding layer of a molding composition of aromatic divinyl ethers; pressing the template into the molding layer, the template having a relief pattern, the molding layer filling voids in the relief pattern, the template not contacting the substrate; exposing the molding layer to actinic radiation, the actinic radiation converting the molding layer to a cured molding layer having thick and thin regions corresponding to the relief pattern; removing the template; filling the thin regions of the relief pattern with a backfill material; removing regions of the molding layer not protected by the backfill material to expose regions of the substrate; forming trenches in the exposed regions of the substrate; and removing any remaining molding layer and backfill material. A transfer layer may be used between the molding layer and the substrate.

Abstract: A polymerisable photoinitiator according to Formula (I): wherein: R1 and R2 are independently selected from the group consisting of hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted alkaryl group, a substituted or unsubstituted aryl or heteroaryl group, a halogen, an ether group, a thioether group, an aldehyde group, a ketone group, an ester group, an amide group, an amine and a nitro group; R1 and R2 may represent the necessary atoms to form a five to eight membered ring; L represents an n+m-valent linking group comprising 1 to 30 carbon atoms; A represents a radically polymerizable group selected from the group consisting of an acrylate group, a methacrylate group, a styrene group, an acryl amide group, a methacryl amide group, a maleate group, a fumarate group, an itaconate group, a vinyl ether group, an allyl ether group, a viny

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: Disclosed is a transparent, radiation curable acrylate coating composition comprising (a) at least three polyfunctional acrylate derivatives, (b) a photoinitiator selected from the group consisting of phosphine oxides, ketones, and combinations thereof, (c) a nanoscale filler, and (d) a dibenzoyl resorcinol UV absorber, at least one of said acrylate derivatives being an aliphatic polyester urethane multi-acrylate having an acrylate functionality of at least 5 and an elongation of no greater than 5%, and at least two of said acrylate derivatives being diacrylates, wherein at least one of said diacrylates is an aliphatic Polyester urethane diacrylate having an elongation of greater than 5% and a number average molecular weight of from 500 to about 2500 and wherein another of said diacrylates is a urethane-free diacrylate having a number average molecular weight of from about 150 to about 600.

Abstract: Disclosed is a photocurable resin composition which comprises a photopolymerization initiator having two oxime ester groups in the molecule, a resin containing a carboxyl group, and a compound having two or more ethylenically unsaturated groups in the molecule. The composition can achieve high sensitivity, can provide a dried coating film having excellent touch dryness of fingers, can prevent the generation of an out gas during curing or the like, and can achieve all of excellent alignment accuracy, high productivity and high reliability in the formation of a solder resist for a printed wiring board or the like.

Abstract: Macro-photoinitiators having defined polymer chain structure are provided. The macro-photoinitiators are terminated with residues of thiol and/or hydroxyl functional photoinitiators. The macro-photoinitiators may be prepared by controlled radical polymerization methods, such as atom transfer radical polymerization and single electron transfer polymerization methods. Also provided are curable (e.g., photocurable) compositions that include the macro-photoinitiators of the present invention.

Abstract: To provide a curable resin composition for forming a seal part, which is capable of easily forming a continuous seal part and which is capable of maintaining the shape of the seal part during a period of from immediately after the formation of an uncured seal part until a liquid material is supplied to a region enclosed by the seal part and the seal part is cured, and a laminate which has minimal defects and whereby a resin layer interposed between first and second plates can be made thick. One having a viscosity of from 500 to 3,000 Pa·s at 25° C. is used as the curable resin composition for forming a seal part to form an uncured seal part 12 enclosing the periphery of a liquid material (curable resin composition 14 for forming a resin layer) interposed between a first plate (display device 50) and a second plate (transparent plate 10).

Abstract: It is an object of the present invention to provide an active energy ray curable resin composition exhibiting good adhesion to a polyolefin-based resin base material. More specifically, there is provided an active energy ray curable resin composition comprising: a block copolymer (C) that includes a polymer block (A) composed mainly of an olefin-based monomer unit and a polymer block (B) composed of a vinyl-based monomer unit having a carboxyl group, a carboxylic anhydride group, or a sulfonic acid group and/or a second vinyl-based monomer unit copolymerizable with the aforementioned vinyl-based monomer unit, the block copolymer (C) having a weight-average molecular weight from 5,000 to 100,000; and an active energy ray curable compound (D).

Abstract: Disclosed herein are ultraviolet (UV) curable coating compositions that provide transparent, flexible, and abrasion-resistant coatings when cured on a substrate. The coating compositions comprise an adduct of a multifunctional acrylate monomer component and an amino-organofunctional silane; an organic solvent component; an acid; a colloidal silica component; and a multifunctional urethane acrylate oligomer component. The amino-organofunctional silane is represented by the formula XaSi[Q1(NHQ2)bNZH]4-a, where X is an alkoxy group having from 1 to 6 carbon atoms; Q1 and Q2 are the same or different divalent hydrocarbon groups; Z is a hydrogen or a monovalent hydrocarbon group; a is an integer from 1 to 3; and b is an integer from 0 to 6. Also disclosed herein are processes for preparing such coating compositions and articles comprising coatings cured from such coating compositions.

Abstract: The present invention relates to the development and fabrication of thin-film polymer nanocomposites containing vertically aligned nanomaterials, such as single-walled carbon nanotubes (SWNTs). In certain embodiments, the present invention utilizes liquid crystal mesophases of hexagonally packed cylindrical micelles that orient with their long axes parallel to an applied magnetic field, thereby directing the alignment of the nanomaterials, such as SWNTs, sequestered in the micellar cores. In certain embodiments, the mesophase may be a stable, single-phase material containing monomers that can be polymerized after nanotube alignment to form the nanocomposite polymer.

Abstract: A prepreg which is capable of being cured-in-place into a solid surface by irradiation, heating or a combination of the two is prepared. The cured-in-place solid surfaces can be used as veneer cladding for rigid substrates such as floor and wall tiles, kitchen and bath counter tops, sinks, cabinet door veneers, bath surrounds, architectural surfaces such as columns and roofs and the like.

Abstract: Provided is a radical-polymerizable resin capable of giving a cured material which is satisfactorily flexible, can relax stress upon usage as an adhesive, and does not cause disadvantages such as separation at the adhesive interface or breakage of an adherend, which stress occurs between the adhesive and the adherend upon heating or cooling and is caused by difference in coefficient of thermal expansion between them. The radical-polymerizable resin is obtained through cationic polymerization of a compound represented by any of following Formulae (1a) and (1b) and a compound represented by any of following Formulae (2a), (2b), (2c), (2d), (2e), and (2f). The radical-polymerizable resin is liquid at 0 ° C. and has a weight-average molecular weight of 500 or more. Symbols in the formulae are as defined in the description.

Abstract: A printing ink, preferably ink-jet ink, containing pearlescent pigments and at least one of at least one solvent, at least one radiation-curable component and at least one binder, wherein the pearlescent pigments comprise a substantially transparent platelet-shaped substrate having a density ?S and at least one optically active coating having a density ?M, and the pearlescent pigments have a d90 value for a cumulative frequency distribution of a volume-averaged size distribution function with a range from 3.5 to 15 ?m. The invention further relates to a process for producing the printing ink.

Abstract: The invention relates to a photosensitive resin composition, and an overcoat and/or spacer for a liquid crystal display component formed thereby has good heat-resistant transmittance, good chemical resistance and good elastic recovery rate. The invention also provides a method for forming a thin film on a substrate, a thin film on a substrate and a liquid crystal display component.

Abstract: The present invention provides aqueous emulsion polymers comprising (A) monomers A (B) at least one (meth)acrylate with olefinically unsaturated side groups (monomers B), and (C) at least one photoinitiator, and also the use thereof in coating materials, more particularly in exterior architectural paints.

Abstract: A curing-type coating-agent composition according to the present invention contains: Component (A) including a urethane adduct compound exhibiting weatherability in an amount of from 99 to 65 parts by mass; Component (B) comprising a reaction product between a colloidal silica and an alkoxysilane compound having a maleimide group in an amount of from 1 to 35 parts by mass; a radical-polymerization initiator serving as Component (C) in an amount of from 0.1 to 10 parts by mass; an ultraviolet absorber serving as Component (D) in an amount of from 1 to 12 parts by mass; and an organic solvent serving as Component (E) in an amount of from 10 to 1,000 parts by mass; with respect to a sum of Component (A) and Component (B) being taken as 100 parts by mass. The composition according to the present invention demonstrates excellent wear resistance and weatherability as a coating agent for plastic substrate, or the like, which is employed outside.

Abstract: Provided is a curable fluorine-containing resin produced by causing a reaction between a polymer (P) and a compound (C); the polymer (P) being prepared by copolymerization in which essential monomer components are a compound (A) having a poly(perfluoroalkylene ether) chain and styryl groups at both ends of the poly(perfluoroalkylene ether) chain and a polymerizable unsaturated monomer (B) having at least one functional group (b) selected from the group consisting of a hydroxy group, an isocyanate group, an epoxy group, a carboxyl group, an acid anhydride group, and a carboxylic acid halide group; the compound (C) having a polymerizable unsaturated group and at least one functional group (c) that has reactivity with the functional group (b) and is selected from the group consisting of a hydroxy group, an isocyanate group, an epoxy group, a carboxyl group, an acid anhydride group, and a carboxylic acid halide group.

Abstract: An ultraviolet-curable silicone resin composition including (A) a polyorganosiloxane having a mercaptoalkyl bonded to a silicon atom and having a viscosity at 23° C. of 20 to 25000 cP; (B) an organopolysiloxane having aliphatic unsaturated groups which includes (B1) a linear polyorganosiloxane having aliphatic unsaturated, and (B2) a branched organopolysiloxane which includes an SiO4/2 unit, an R?3SiO1/2 unit and an R?2SiO2/2 unit, and at least three of R? per one molecule are aliphatic unsaturated groups, provided that an amount of (B2) is an amount where a number of the aliphatic unsaturated groups in (B2) based on a total number of the aliphatic unsaturated groups in (B) is 50% or less; (C) a photoinitiator; and (D) a silane compound having an aliphatic unsaturated group.

Abstract: The present invention relates to a method for manufacturing an acrylic film and to an acrylic film manufactured by same, the method comprising: a first step of coating an acryl-based resin syrup; and a second step of hardening the acryl-based resin syrup coated in the first step by irradiating ultraviolet light. According to the present invention, an excellent film having low thickness deviation and thickness precision may be provided. In addition, defects in the film such as fish eyes and uneven distribution of physical properties in the vertical and horizontal directions may be kept to a minimum. Consequently, the film according to the present invention can be applied to various industrial sheets such as protective films for various semiconductor processes, pressure-sensitive adhesives or adhesives for optical products and pressure-sensitive adhesives or adhesives for electronic components, or to laminated products.

Abstract: The invention relates to a dental composition comprising a) a compound (A) with the following features: only one backbone unit (U) with 6 to 20 carbon atoms, at least 6 carbon atoms thereof forming an aromatic or an aliphatic cyclic moiety, the remaining carbon atoms either being part of substituents pending from the cyclic moiety or being part of bridging groups to spacer units, wherein one or more of the remaining carbon atoms can be replaced by an oxygen atom, the backbone unit not comprising a bisphenol structure and halogen atoms, one or two unit(s) (S) being connected to the backbone unit (U) via an ether linkage, at least one unit (S) comprising a —CH2-CH2-CH2-CH2-O—CH2-CH(Q)-OG moiety or a —CH2-CH(OG)-CH2-OM moiety or a mixture of these two types of moieties within one unit (S), with G comprising at least one polymerizable moiety and an urethane moiety, the urethane moiety acting as connecting element to unit(s) (S), and M comprising at least one group selected from acroyl, methacroyl, aryl, mixtures

Abstract: Disclosed is an activation energy ray-curable resin composition comprising 70 to 95 parts by mass of a multifunctional monomer (A) which has a surface free energy of 37 mJ/m2 or more when cured and 5 to 30 parts by mass of a fluorine (meth)acrylate (B) which is compatible with the multifunctional monomer (A) (a total content of all monomers in the composition shall be 100 parts by mass), wherein the multifunctional monomer (A) has three or more radical polymerizable functional groups in a molecule and a value of a molecular weight thereof divided by the number of the radical polymerizable functional group (molecular weight/number of radical polymerizable functional group) is 110 to 200, and wherein the fluorine (meth)acrylate (B) has one or more radical polymerizable functional groups in a molecule.

Abstract: A composition comprising the Components (A) at least one linear olefin polymer; (B) 0.05 to 2%, relative to the weight of Component (A), of at least one photoinitiator; and (C) 0.05 to 5%, relative to the weight of Component (A), of at least one co-additive containing one or more double bonds.

Abstract: Provided is a production method for a pressure-sensitive adhesive composition capable of sufficiently expressing each of “attachment position correction workability” that enables a pressure-sensitive adhesive tape containing the composition to be easily aligned by the expression of good temporary attachment property, “reworkability” that enables the tape to be easily reattached, and “temperature-sensitive strong pressure-sensitive adhesiveness” that enables the tape to express strong temperature-sensitive pressure-sensitive adhesiveness. The production method for a pressure-sensitive adhesive composition is a production method for a pressure-sensitive adhesive composition containing a cross-linked polymer in which an acrylic copolymer (A) is cross-linked by a polyurethane(meth)acrylate (B), the method including irradiating a monomer mixed liquid essentially containing a (meth)acrylate and a (meth)acrylamide with an active energy ray in the presence of the polyurethane(meth)acrylate (B).

Abstract: Specifically provided is a single pass-curable ink having high color reproducibility and high curing properties at the same time and having high dischargeability when used in printing at high frequency and high jetting speed, as compared with conventional ones. An active energy ray-curable inkjet ink composition contains a metal lake pigment of a rhodamine dye as a pigment, and the active energy ray-curable inkjet ink composition may contain 0.5 to 10% by weight of Pigment Violet 1, Pigment Violet 1:1, Pigment Violet 2, Pigment Violet 2:2, Pigment Red 81, Pigment Red 81:1, Pigment Red 81:2, Pigment Red 81:3, Pigment Red 81:4, Pigment Red 81:5, Pigment Red 169, or Pigment Red 173 as the metal lake pigment of the rhodamine dye based on the total weight of the ink.

Abstract: A radiation curable ink including at least one curable monomer, at least one organic gellant, at least one photoinitiator, and a colorant, the colorant includes an orange colorant and an red colorant, where the orange colorant absorbs light having a wavelength of from about 400 to about 560 nm, and where the red colorant absorbs light having a wavelength of from about 460 to 580 nm. The ink substantially matches PANTONE® Red 032 or PANTONE® Warm Red.

Abstract: The invention relates to a two-component or multicomponent system for producing a dental material, to the use of the system for producing a dental material.

Abstract: The present invention is directed to an adhesive composition comprising a crosslinkable acrylic copolymer, a multi-functionalized crosslinkable oligomer and a photoinitiator wherein the partially cured composition exhibits excellent wet out characteristics as reflected in a tan delta value of at least 0.4, preferably greater than 0.5, more preferable greater than 0.6 as measured at 20° C. resulting from a first curing stage, and the fully cured composition exhibits an improved stiffness and temperature resistance as reflected in a storage elastic modulus of at least 175,000 Pa at 20° C. and a shear adhesion failure temperature of at least 425° F. (218.3° C.) at 1 Kg/in2 (0.155 Kg/cm2), respectively, which result from a second sequential curing stage.

Abstract: The present invention relates to an aminimide compound having a structure represented by the following general formula (I) in the molecule thereof, relates to a curable composition using the aminimide compound and relates to a method for curing the composition; in which R0 represents a hydrogen atom, an alkyl group which may have an optional substituent, an aryl group which may have an optional substituent, or a heterocyclic residue which may have an optional substituent. R1, R2 and R3 each independently represent a hydrogen atom, or an optional substituent. However, at least two of R1, R2 and R3 may bond to each other to form a cyclic structure.

Abstract: The invention relates to a method of encapsulating a photovoltaic cell comprising curing an encapsulation composition comprising (i) a polyvinyl acetal resin/polymer, (ii) one or more ethylenically unsaturated monomers, oligomers, or a combination thereof, and (iii) at least one thermal free radical initiator and/or at least one photoinitiator. The resin/polymer is either a polyvinyl acetate derivative or a polyvinyl acetate copolymer such as EVA derivative, and comprises vinyl acetal units. The invention also relates to a photovoltaic cell encapsulated according to the method and to the encapsulation curable composition.

Abstract: The disclosure provides pressure-sensitive adhesives and adhesive sealants prepared from amine-modified, crosslinked isobutylene copolymers, and tape articles prepared therefrom.

Abstract: The invention relates to method for producing a crosslinked elastomer by radiating a polymer dispersion of at least one crosslinkable polymer with electromagnetic radiation in the ultraviolet (UV light) and/or visible spectral range, wherein the crosslinking is performed in at least two stages as pre-crosslinking and post-crosslinking and at least one photoinitiator is added to the polymer dispersion to trigger the crosslinking reaction prior to the pre-crosslinking. At least one photoinitiator is added once again to the pre-crosslinked polymer dispersion prior to and/or during the post-crosslinking, and the post-crosslinking is also performed with electromagnetic radiation in the ultraviolet (UV light) and/or visible spectral range.

Abstract: A lightfast green radiation curable ink including at least one curable monomer, at least one organic gellant, at least one photoinitiator and at least one colorant, where the colorant exhibits a reflectance on a substrate at a loading of from about 2 mg/inch2 to about 7 mg/inch2 that ranges from 50% to about 60% at a wavelength of 500 nm and that ranges from 0% to about 10% at a wavelength of about 600 nm which substantially matches Pantone green.

Abstract: The invention relates to the use of O-imino-iso-urea compounds as source of radicals to polymerizable compositions comprising these O-imino-iso-urea and to new O-imino-iso-urea compounds.

Abstract: Described herein is a process to prepare crosslinkable polymers based on trifluorostyrene, and their use as polymer electrolyte membranes.

Abstract: The present invention provides a dye that is excellent in solubility and excellent in heat resistance and a novel compound that is preferable for the dye, and specifically provides a yellow dye having a wavelength of maximum absorption in the region of 400 to 450 nm, and also provides a coloring (alkali-developable) photosensitive composition using the above-mentioned dye, and an optical filter using the above-mentioned coloring (alkali-developable) photosensitive composition, specifically a color filter that does not decrease luminance and thus is preferable for image display devices such as liquid crystal display panels. Specifically, a compound represented by the following general formula (1) is used as the dye. The content of the above-mentioned general formula (1) is as described in the description.

Abstract: Photocuring methods are made more efficient by using an N-oxyazinium salt photoinitiator with an organic phosphine as a photoinitiator efficiency amplifier. This photoinitiator composition can be used to cure acrylates or other photocurable compounds, particularly in an oxygen-containing environment. The method can be used to prepare various articles, fibers, or devices with photocured compositions.

Abstract: A violet radiation curable ink including at least one curable monomer, at least one organic gellant, at least one photoinitiator, and at least one colorant, wherein the ink exhibits a reflectance on a substrate at a loading of from about 2 mg/inch2 to about 7 mg/inch2 that ranges from 50% to about 60% at a wavelength of 500 nm and that ranges from 0% to about 10% at a wavelength of about 600 nm. Also, the violet ink substantially matches PANTONE® Violet.

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

Abstract: An ultra high molecular weight polyethylene molded article for artificial joints has molecular orientation or crystal orientation in the molded article, and is low in friction and is superior in abrasion resistance, and therefore is available as components for artificial joints. Further, the ultra high molecular weight polyethylene molded article for artificial joints can be used as a component for artificial hip joints (artificial acetabular cup), a component for artificial knee joints (artificial tibial insert) and the socket for artificial elbow joints, and in addition to the medical use, it can be applied as materials for various industries by utilizing the characteristics such as low friction and superior abrasion resistance.