Abstract: The present invention relates to a method for the production of polyamide 6 with low extract content and a device for it. Here, a melt of non-extracted polyamide 6 is cleaned from monomer and oligomers in a degasification device in vacuum, wherein the vapor being withdrawn from the degasification device by the vacuum generation device is cleaned from monomer, oligomers and optionally water at first in a direct condenser which is operated with liquid ?-caprolactam and subsequently in a pre-separator which is cooled with a coolant, before it reaches the vacuum generation device. A particularly preferable variant of the method envisages the usage of the melt of polyamide 6 with low extract content so prepared in a direct process of spinning into textile fibers and/or filaments.

Abstract: A method for producing a simulated animal organ includes: a shaping step of mixing a raw material containing mannan as a main component and water for gelatinization and shaping a gelatinized substance into a shape of an animal organ to obtain a shaped body; and a low temperature step of keeping the shaped body in a low temperature environment lower than a normal temperature. As a result, a simulated animal organ in a state extremely close to an actual animal organ is provided.

Abstract: The present invention relates to a plasticizer composition, a resin composition and a method for preparing thereof. The present invention can provide a plasticizer composition, which can improve properties required to the plasticizer composition contained in a vinyl chloride-based resin composition, such as plasticizing efficiency, tensile retention and elongation retention, volatile loss, and migration resistance, to a level equal to or better than the existing plasticizer composition, and a resin composition comprising thereof.

Abstract: A hose assembly, preferably a garden hose assembly, preferably having an inner tube in contact with and covered by an outer tube or jacket, wherein the jacket is not bonded, connected or attached to the inner tube between and couplers of the hose assembly, and wherein the inner tube includes a modified thermoplastic composition that exhibits desirable characteristics including fatigue resistance, abrasion resistance, and puncture resistance.

Abstract: A polymeric material process includes increasing a mobility within a polymer to enables specific alignment of polymer chains.

Abstract: A sparingly soluble sulfonate-metal salt particle includes the metal ion salt of an alkyl aryl sulfonate, the metal ion salt of a petroleum sulfonate and a hydrophobically modified hydrophilic polymer, and has an average particle size diameter in a range of from about 50 nm to about 450 nm and is sparingly soluble in water at room temperature. A method of producing a sparingly soluble sulfonate-metal salt particle includes the steps of introducing an aqueous solution containing a metal ion salt into a reactor, introducing an aqueous solution containing a sulfonate surfactant and a polymer into the reactor, and operating the reactor such that the sparingly soluble sulfonate-metal salt particle forms from the interaction of the metal ion from the salt, the sulfonate surfactant and the polymer.

Abstract: The invention relates to a method for dissolving the components of gel forming materials suitable for use in wound care comprising the steps of admixing said components with an ionic liquid. The ionic liquid may be selected from the group of tertiary amine N-oxides, N,N-dimethyl formamide/nitrogen tetroxide mixtures, dimethyl sulphoxide/paraformaldehyde mixtures and solutions of limium chloride in N,N-dimethyl acetamide or N-methyl pyrrolidone.

Abstract: The invention relates to esters, the acid component of which is a monocarboxylic acid having 8 to 12 C atoms and the alcohol component of which is selected from the group of the pentanols, wherein said esters are excellently suited as coalescing agents.

Abstract: A waterborne coating composition includes latex particles and a crosslinker. The latex particles can be prepared from a mixture of reactants including: (a) a monomer represented by formula (I): where R1 is a hydrogen or methyl group and R2 is a hydrogen, alkyl, or aryl group; (b) a multi-ethylenically unsaturated monomer; and (c) a mono-ethylenically unsaturated functional monomer different from in the monomer represented by formula (I), the mono-ethylenically unsaturated functional monomer having a functional group selected from a hydroxyl group, thiol group, group, or a mixture thereof, where R9 is a hydrogen, alkyl, or aryl group. A method of preparing waterborne coating compositions and substrates coated with the compositions are also disclosed.

Abstract: The invention provides a process for monitoring and/or adjusting a dispersion polymerization of an olefin-based polymer, the process comprising monitoring the concentration of the carbon-carbon unsaturations in the dispersion using Raman Spectroscopy. The invention also provides a process for polymerizing an olefin-based polymer, the process comprising polymerizing one or more monomer types, in the presence of at least one catalyst and at least one solvent, to form the polymer as a dispersed phase in the solvent; and monitoring the concentration of the carbon-carbon unsaturations in the dispersion using Raman Spectroscopy.

Abstract: The invention relates to a process for preparing a dispersion-based or hotmelt pressure-sensitive adhesive based on at least one polymer, which involves crosslinking the at least one polymer, the polymer having functional groups Y, the polymer additionally being admixed with at least one kind of functionalized particles which have at least one polymeric base unit, characterized in that the particles have a monomer as base unit, the monomer having at least one kind of functional groups Z which are not able to enter into any reaction with the functional group Y and which, by thermal energy, electromagnetic radiation, particulate radiation and/or sound energy, are converted into the group X, the crosslinking of the polymer being brought about at least in part by a reaction of the functional groups X of the particles and of the functional groups Y of the polymer, and additionally to pressure-sensitive adhesives based on at least one crosslinked polymer component, wherein the crosslinking of the polymer component

Abstract: The present invention relates to the field of inks for electrophoretic display devices, and more particularly to a process for encapsulating at least one inorganic pigment by dispersion polymerization in an organic medium. The process consists in dispersing the inorganic pigment in the organic medium, then in synthesizing at least one stable polymer latex in said organic medium, said latex precipitating around said inorganic pigment in order to form a protective shell and to thus obtain a particle, said synthesis of the latex being carried out by polymerization, in said organic medium, of an electrostatically chargeable functional monomer, based on use of a macroinitiator capable of stabilizing said particle obtained.

Abstract: The invention provides method for preparing an epoxy-carbon nanomaterial coating which includes a base of a two-pack epoxy coating material, a hardener of the two-pack epoxy coating material and about 0.0125 wt % to about 0.2 wt % of carbon nanomaterial. The invention also provides a method for preparing the epoxy-carbon nanomaterial coating. More specifically, the invention provides a method for preparing epoxy based coating materials as anti-corrosive coating composition.

Abstract: A process for preparing a completely delaminated graphene oxide/rubber nanocomposite. The process combines emulsion compounding with flocculation or spray drying, retains the morphology of graphene oxide/rubber composite in a liquid state, and achieves highly dispersed and highly delaminated morphology dispersed on nano scale. Furthermore, a substance able to produce ionic bonding or chemical bonding with the surface functional groups of graphene oxide is added to graphene oxide/hydrosol, as a surfactant, thus the interfacial bonding between graphene oxide and the rubber is increased. The composite is subjected to subsequent compounding and vulcanization to prepare a vulcanizate with dynamic performance, such as a high tensile strength, stress at a definite elongation, tearing strength, etc.

Abstract: The present invention concerns a process for manufacturing nanoparticles in a slurry based on an aqueous solvent by treating said inorganic particles or their agglomerates in said solvent at a solids content of 30-75w-%, by adding dispersing agent(s) and by carrying out ultrasonic treatment at an intensity of 5-1000 W/cm2 on this concentrated slurry. Thereby, a homogenous consistent particle slurry is obtained.

Abstract: The invention relates to fluoropolymer articles that have been irradiated with at least 5 Kilo Gray of radiation, where the resulting articles have low levels of leachable or extractable fluoride ion. The low fluoride ion migration from the irradiated article is due to the presence of low levels of metalic salts or oxides in the fluoropolymer composition. The invention is especially useful for fluoropolymer articles in which the fluorpolymer layer contacts a biological or pharmaceutical fluid, and that are subjected to sterilization by irradiation.

Abstract: A method for renewing an organic solvent includes an ultraviolet irradiation step in which an organic solvent containing a resin is irradiated with ultraviolet rays so as to enhance the ability of the organic solvent to dissolve the resin. A method for using an organic solvent and a method for producing an inkjet recording head utilize the method for renewing an organic solvent.

Abstract: Ultra-high-performance cementitious materials are made using suitably functionalized and relatively low-cost carbon nanofibers and graphite platelets. Polyelectrolytes and surfactants are physisorbed upon these graphite nanomaterials in water, and dispersion of nanomaterials in water is achieved by stirring. Stable and well-dispersed suspensions of nanomaterials in water are realized without using energy-intensive and costly methods, and also without the use of materials which could hinder the hydration and strength development of ultra-high-performance cementitious materials. The water incorporating dispersed nanomaterials is then mixed with the cementitious matrix and, optionally, microfibers, and cured following standard concrete mixing and curing practices. The resulting cementitious materials incorporating graphite nanomaterials and optionally microfibers offer a desired balance of strength, toughness, abrasion resistance, moisture barrier attributes, durability and fire resistance.

Abstract: The invention provides a method for preparing a Polyurethane-Carbon Nanotube (PU-CNT) based coating composition. More specifically, the invention provides a method for preparing a PU-CNT based anti-corrosive coating composition. The method comprises preparing a dispersion comprising one or more types of Carbon Nanotubes (CNTs). The dispersion is prepared by dispersing the one or more types of CNTs in a dispersant comprising at least one polar solvent and at least one surfactant. The method further comprises mechanically mixing a hardener with the dispersion comprising the one or more types of CNTs. In addition, the method comprises mechanically mixing polyurethane with the dispersion prepared by mechanically mixing the hardener with the dispersion comprising the one or more types of CNTs.

Abstract: The present invention relates to highly cross-linked UHMWPE, which is possessed of an improved oxidation resistance, as well as a method for making the same. The UHMWPE material of the current invention is combined with an anti-oxidant compound or a free-radical scavenger prior to formation. Once the UHMWPE with the added material has been formed and treated with gamma or electron bean irradiation, it shows an improved wear resistance and also a good resistance to oxidation. Such a material, is particularly interesting for the field of making replacement joint implants.

Abstract: The present invention relates to methods for making cross-linked oxidation-resistant polymeric materials and preventing or minimizing in vivo elution of antioxidant from the antioxidant-containing polymeric materials. The invention also provides methods of doping polymeric materials with a spatial control of cross-linking and antioxidant distribution, for example, vitamin E (?-Tocopherol), and methods for extraction/elution of antioxidants, for example, vitamin E (?-tocopherol), from surface regions of antioxidant-containing polymeric materials, and materials used therewith also are provided.

Abstract: The present invention relates to a radiation curable composition comprising (a) from 1 to 99% by weight of a (meth)acrylated natural oil which is the reaction product of an unsaturated natural oil with an unsaturated anhydride and a hydroxyl functional (meth)acrylate, and (b) from 1 to 99% by weight of a (meth)acrylated oligomer and/or monomer, and optionally an inert resin and/or filler, as well as their use for making inks and coatings.

Abstract: Processes for continuously forming latex emulsions useful in preparing toners are provided which do not require the use of solvents.

Abstract: A method of synthesizing a random copolymer of polyethyleneimine and polyethylene glycol, comprising exposing ethanolamine in a solution to electromagnetic radiation for a sufficient time to polymerize the ethanolamine (OHCH2CH2NH2) and thereby resulting in formation of the randome copolymer comprising polyethyleneimine and poly(ethylene glycol), wherein the polyethyleneimine comprises ethyleneimine (—CH2CH2NH—) unit and the polyethylene glycol comprises ethylene glycol (—CH2CH2O—) unit, and the polyethylenimine of the random copolymer has a substantially linear backbone.

Abstract: The invention provides methods for inducing reversible chain cleavage of polymer chains in a crosslinked polymeric material. Reversible cleavage of the polymer backbone is capable of relieving stress in the polymeric material as the bonds reform in a less stressed state. The invention also provides methods for making polymeric materials capable of reversible chain cleavage, materials made by the methods of the invention, and linear monomers containing reversible chain cleavage groups which are useful in the materials and methods of the invention.

Abstract: The present invention relates to methods for making cross-linked oxidation-resistant polymeric materials and preventing or minimizing in vivo elution of antioxidant from the antioxidant-containing polymeric materials. The invention also provides methods of doping polymeric materials with a spatial control of cross-linking and antioxidant distribution, for example, vitamin E (?-Tocopherol), and methods for extraction/elution of antioxidants, for example, vitamin E (?-tocopherol), from surface regions of antioxidant-containing polymeric materials, and materials used therewith also are provided.

Abstract: A method for manufacturing natural rubber according to an embodiment of the present technology includes: adding to a natural rubber latex at least one type of a predetermined sulfonic acid selected from the group consisting of a monoalkyl sulfonic acid, a polyoxyethylene alkyl ether sulfonic acid, and an alkylbenzene sulfonic acid; and, thereafter, removing moisture from the mixture of the natural rubber latex and the sulfonic acid.

Abstract: The present invention provides polymer composites reinforced with high aspect ratio reinforcing fillers selected from calcium phosphate nanofibers, nanoplates, submicron fibers, submicron plates, and combinations thereof. The mechanical and biological properties of the inventive composites are enhanced significantly over current polymer composites and may be employed in various biomedical applications, such as dental restorations.

Abstract: An adhesive sheet includes a substrate and an energy-ray curable adhesive layer formed on the substrate. The energy-ray curable adhesive layer includes an energy-ray curable acrylic copolymer and a urethane acrylate. The energy-ray curable acrylic copolymer is formed by copolymerizing at least one of either a dialkyl(meth)acrylamide that has an alkyl group with carbon number of not more than 4, a phenol EO modified (meth)acrylate that has an ethylene glycol chain with a phenyl group bonded to the ethylene glycol chain, a (meth)acryloyl morpholine, or a (meth)acrylate that has an aceto-acetoxyl group, in total of 1 to 30 weight percent of all monomers to form the energy-ray curable acrylic copolymer. The energy-ray curable acrylic copolymer further includes a side chain with an unsaturated group.

Abstract: Methods for generating metallic particles in situ in a polymer are disclosed. A method includes (a) contacting the polymer with a solution comprising (i) a solvent, (ii) a metal salt, and (iii) a free radical generator; (b) removing the polymer from the solution; and (c) exposing the polymer to actinic radiation. Polymer composites and polymer nanocomposites comprising inorganic particulates comprising metallic particles generated in the polymer are also disclosed.

Abstract: A method and system for treating rubber-containing elastomers to produce materials suitable for blending with thermoplastic or thermoset polymers are disclosed. The elastomers may comprise virgin or recycled particulate rubber such as from used tires. The blended rubber and polymer materials possess thermoplastic properties and can be reused many times.

Abstract: The invention concerns a dental filling material with dual hardening mechanism, wherein i) a first hardening mechanism is based on a photocuring reaction, preferably a radical reaction, and ii) a second hardening mechanism is dependent on H2O as a reactant, especially as a ligand. Preferably, the second hardening mechanism is a gypsum-type reaction. Owing to the expansion of the composition an excellent marginal seal can be achieved, while the first hardening mechanism allows for a rapid cure on demand.

Abstract: The present invention relates to a UV-crosslinkable composition comprising a) unmodified, protonated silica nanoparticles; b) urethane acrylate; c) polar solvent; and d) UV initiator system, wherein the amount by weight of unmodified, protonated silica nanoparticles exceeds the content of urethane acrylate and is at least 50.1 wt. %, based on the dry weight of the coating, to the use of the composition in the coating of substrates, and to substrates coated with such formulations.

Abstract: A radiation curable composition comprising a curable compound, a photo-initiator and a co-initiator, wherein said co-initiator has a structure according to Formula I A-L-B??Formula I wherein A represents a structural moiety comprising an aromatic tertiary amine; B represents a structural moiety comprising at least one aliphatic tertiary amine; L represents a divalent linking group positioning the nitrogen atom of the aromatic amine of the structural moiety A and the nitrogen of at least one aliphatic amine of the structural moiety B in a 1-3 to 1-23 position; with the proviso that at least one aromatic and at least one aliphatic amine each have at least one alfa-hydrogen.

Abstract: A process for producing a cured coating is provided that includes a step of forming on a substrate layer of a curable composition that includes at least one compound represented by Formula (I) and a step of curing the layer of the curable composition by irradiation with electron beam. In formula (I) , Q1 denoted a cyano group or a —COX2 group, X1 denoted a hydrogen atom, organic residue, or polymer chain bonded to carbon atom CA via a heteroatom, or a halogen atom, X2 denoted a hydrogen atom, organic residue, or polymer chain boned to the carbonyl group via a heteroatom, or a halogen atom, Ra and Rb independently denote a hydrogen atom, a halogen atom, a cyano group, or an organic residue, and X1 and X2, Ra and Rb, and X1 and Ra or Rb may be bonded to each other to form a cyclic structure. There is also provided an electron beam-curable composition that includes a compound represented by Formula (I).

Abstract: The invention provides a photo-curable composition that addresses degradation in dispersibility caused by the use of a pigment, and has good color tone and high light fastness. The photo-curable composition includes: a polymerizable compound; a polymerization initiator; and a dye represented by Formula (1): in which, A1, A2 and A3 each represent a monovalent group, and Z represents a nitrogen atom, an oxygen atom, a sulfur atom, or a monovalent group-bonded carbon atom, the dye represented by Formula (1) having two azo groups in a molecule thereof.

Abstract: Radiation curable ink compositions for impulse printheads are described. The compositions include a photoinitiator system, containing both a photocation polymerization initiator and a free-radical photoinitiator, an acrylate ester of a carboxylic acid ester, and at least one radiation curable material.

Abstract: Compounds represented by the following structural formulas can be used as photoacid generators: Such compounds are useful, for example, in fabricating arrays of polymers.

Abstract: The invention provides methods for inducing reversible chain cleavage of polymer chains in a crosslinked polymeric material. Reversible cleavage of the polymer backbone is capable of relieving stress in the polymeric material as the bonds reform in a less stressed state. The invention also provides methods for making polymeric materials capable of reversible chain cleavage, materials made by the methods of the invention, and linear monomers containing reversible chain cleavage groups which are useful in the materials and methods of the invention.

Abstract: Low viscosity, radiation curable fluid formulations that can be used advantageously as radiation curable, inks. The formulations are easily prepared for use in ink jet systems. The viscosity of the compositions is low enough so that conventional solvent is not required in order to satisfy the requisite low ink jet viscosity specifications. After curing, the compositions form durable, weatherable, abrasion resistant, printed images on a wide variety of porous and nonporous substrates. The formulations are very suitable for outdoor printing applications, especially for printing outdoor graphics onto a variety of surfaces, including vinyl or other polymer films commonly used for signage, retroreflective signage or other retroreflective items.

Abstract: Polymeric fibers and methods of making the polymeric fibers are described. The polymeric fibers are crosslinked hydrogels or dried hydrogels that are prepared from a precursor composition that contains polymerizable material having an average number of ethylenically unsaturated groups per monomer molecule greater than 1.0. The polymeric fibers can contain an optional active agent.

Abstract: An adhesive sheet includes a substrate and an energy-ray curable adhesive layer formed on the substrate. The energy-ray curable adhesive layer includes an energy-ray curable acrylic copolymer and a urethane acrylate. The energy-ray curable acrylic copolymer is formed by copolymerizing at least one of either a dialkyl(meth)acrylamide that has an alkyl group with carbon number of not more than 4, a phenol EO modified (meth)acrylate that has an ethylene glycol chain with a phenyl group bonded to the ethylene glycol chain, a (meth)acryloyl morpholine, or a (meth)acrylate that has an aceto-acetoxyl group, in total of 1 to 30 weight percent of all monomers to form the energy-ray curable acrylic copolymer. The energy-ray curable acrylic copolymer further includes a side chain with an unsaturated group.

Abstract: An ink composition is provided that includes (A) one type of compound (monomer (A)) selected from the group consisting of a difunctional (meth)acrylic acid ester or amide having an alkylene group of 6 to 12 carbons, and a difunctional vinyl ether having an alkylene group of 6 to 12 carbons, (B) a polymerization initiator, and (C) a colorant. There is also provided an inkjet recording method that includes a step (a) of discharging the ink composition onto a recording medium and a step (b) of irradiating the discharged ink composition with actinic radiation so as to cure the ink composition. Furthermore, a process for producing a lithographic printing plate is provided that includes a step (a?) of discharging the ink composition onto a hydrophilic support and a step (b?) of irradiating the discharged ink composition with actinic radiation so as to cure the ink composition, thus forming a hydrophobic image on the hydrophilic support by curing the ink composition.

Abstract: A composition usable as a moisture absorbent for an organic electroluminescence device. A photocurable hygroscopic composition comprising (a) a moisture-reactive organic metal compound, (b) a (meth)acrylate, (c) a carboxyl group-containing polymerizable monomer, and (d) a photopolymerization initiator. The proportion of the moisture-reactive organic metal compound (a) is from 5 to 70 wt % based on the entire composition, and the proportion of the carboxyl group-containing polymerizable monomer (c) is from 0.1 to 50 mol % based on the moisture-reactive organic metal compound (a).

Abstract: A photosensitive resin composition which is excellent in flame resistance, resolution and flexibility, and substantially free from deposition of components thereof to prevent contamination of a product. The photosensitive resin composition comprises: (A) a cyclic phosphazene compound represented by the following general formula (1): wherein at least one of the Rs is an organic group having the urethane(meth)acrylate structure represented by the following general formula (2) and n is a positive number of 2 to 5: wherein R1 is a hydrogen atom or a methyl group; (B) a carboxyl-containing linear polymer obtained by polymerizing an ethylenically unsaturated compound through addition polymerization; (C) an epoxy resin; (D) an ethylenically unsaturated group-containing polymerizable compound; and (E) a photopolymerization initiator; wherein the cyclic phosphazene compound (A) is present in a proportion of 5 to 30 wt % based on the total weight of the composition.

Abstract: The invention features dental compositions comprising at least one hybrid monomer that comprises a cyclic allylic sulfide moiety attached to a (meth)acryloyl moiety. These two functional moieties are typically joined either directly to each via a chemical bond or through some chemical structure or spacer molecule. The composition may optionally contain additional polymerizable compounds, such as ethylenically unsaturated compounds, that are typically used in dental compositions.

Abstract: Quinophthalone compound of Formula (1) or (2), mixed colorant, laser ray transmitting colored resin composition containing thereof, and laser-welded product.

Abstract: The present invention generally provides implantable articles and methods of forming implantable articles from a crosslinked ultrahigh molecular weight polyethylene (“UHMWPE”) blend stabilized with Vitamin E. The crosslinked UHMWPE blend may be prepared by combining the UHMWPE material and vitamin E prior to irradiating the UHMWPE blend with electron beam radiation at a sufficient radiation dose rate to induce crosslinking.

Abstract: The invention relates to a dental composition comprising a) halogenated aryl alkyl ether component (A) comprising at least 1 aryl alkyl ether moiety, at least 1 halogen atom attached to each aryl residue of the aryl alkyl ether moieties, at least 2 unsaturated moieties, b) Si—H functional component (B), c) initiator (C), d) optionally filler (D), and e) optionally component (E) selected from modifiers, dyes, pigments, thixotropic agents, flow improvers, polymeric thickness, surfactants, odorous substances, diluting agent(s) and flavourings.

Abstract: The present invention provides a CNT/polymer composite, in which properties of the polymer is modified and improved. The present invention also relates to a method for producing the CNT/polymer composite.