Abstract: The present invention relates to a method for preparing an ethylene-based elastic copolymer, and more particularly, to a method for preparing an ethylene-based elastic copolymer by using a catalyst composition for preparing an ethylene-based elastic copolymer, the catalyst composition comprising a binuclear constrained geometry transition metal compound, as a main catalyst, having a structural advantage to obtain a high-molecular-weight ethylene-based elastic copolymer due to a high polymerization activity and comonomer reactivity because the binuclear constrained geometry transition metal compound has a structure in which cyclopentadiene ligands of two constrained geometry catalysts are linked by 1,4-phenylene, and one or more cocatalyst compounds selected from the group consisting of an organoaluminum compound, an organoaluminoxane compound, and a boron compound.

Abstract: The present invention provides a process for the preparation of a multimodal polyethylene comprising: (i) polymerising ethylene and optionally an ?-olefin comonomer in a first polymerisation stage to produce a first ethylene polymer; and (ii) polymerising ethylene and optionally an ?-olefin comonomer, in the presence of said first ethylene polymer, in a second polymerisation stage, wherein the first and second polymerisation stages are carried out in the presence of an unsupported metallocene catalyst and each polymerisation stage produces at least 5% wt of the multimodal polyethylene, and the multimodal polyethylene has a multimodal molecular weight distribution, a molecular weight of at least 50,000 g/mol and a bulk density of at least 250 g/dm3, and wherein a solution of the unsupported metallocene catalyst in a solvent is employed.

Abstract: A curable composition contains one or more betaine monomers selected from the group consisting of a compound represented by Formula (1) and a compound represented by Formula (2).

Abstract: The present invention aims to provide a polyvinyl acetal resin composition that is excellent in thermal stability and moldable by an extrusion method and can exhibit a high storage modulus even under high temperature, an adhesive sheet prepared from the polyvinyl acetal resin composition, an interlayer filling material for a touch panel prepared from the polyvinyl acetal resin composition, and a laminate produced using the interlayer filling material for a touch panel. The present invention relates to a polyvinyl acetal resin composition containing: a polyvinyl acetal; a photoradical polymerization initiator; and a monomer or oligomer having a radical polymerizable double bond.

Abstract: A molding material including a resin material that has a graft chain containing constituent units derived from a fluorine-containing compound and a non-fluorinated compound. The graft chain thereof may be formed, for example, using ionizing radiation.

Abstract: The present invention relates to a composition comprising an aqueous dispersion of polymeric composite microspheres comprising an aqueous dispersion of polymeric composite microspheres that comprise a polysiloxane and a polymer, as defined herein, and a suspension polymerization process for making the composition. The composition is useful for making defect free coatings with a relatively low coefficient of friction.

Abstract: The invention relates to medical aids, in particular compression products, such as compression stockings or bandages. More specifically, the invention relates to compression products comprising fibre forming polyurethane polymers showing a delayed continuous relaxation behaviour. The invention furthermore relates to polyurethane polymers containing N-diol and corresponding quaternised polyurethane polymers, to a process of producing the polyurethane polymers, to blends with elastane, as well as to uses.

Abstract: A surface protecting resin member includes a cured product of a composition containing an acrylic resin having a hydroxyl value within the range of 40 mgKOH/g to 280 mgKOH/g, a polyol having a hydroxyl value within the range of 40 mgKOH/g to 300 mgKOH/g, a multifunctional isocyanate, and a fluorotelomer alcohol represented by the following general formula CF3(CF2)n—(CH2)m—OH, where n is an integer of 1 or more and m is an integer within the range of 1 to 4.

Abstract: The present invention relates to a two-component system comprising a component A) comprising at least one polymeric polyol which has an OH content of ?4.5 wt %, based on the total solids content of the polymeric polyol, and a component B) comprising at least one polyisocyanate which has a number average isocyanate group functionality of ?4.0 to ?10.0, based on the total solids content of the polyisocyanate, a fraction of ?25 wt %, based on the total solids content of the polyisocyanate, of oligomers containing isocyanate groups and having a number-average molecular weight of ?780 g/mol, and an isocyanurate group fraction of ?5 mol % to ?70 mol %, based on the total amount of isocyanurate groups and allophanate groups in the polyisocyanate. The invention further relates to a method for producing a coating on a substrate, to the coating obtainable by this method, and to the coated substrate.

Abstract: A process for the production of a polyurethane foam having a resilience of at least 50%, said process comprising reacting (i) a first polyether polyol comprising polyether chains containing no more than 20% ethylene oxide content, and having a primary hydroxyl content of no more than 25%; (ii) a second polyether polyol comprising polyether chains containing at least 50% ethylene oxide content; and (iii) one or more aromatic polyisocyanates, in the presence of one or more catalysts having gelling and/or blowing activities.

Abstract: There is provided a composite for film formation, including: a first component and a second component that are polymerized with each other to produce a urea compound, wherein at least one of the first component and the second component is a monofunctional compound.

Abstract: A hardener composition for epoxy resins includes a dianhydride and one or both of a monoanhydride and a hydroxyl-diterminated poly(phenylene ether). The hardener components can be blended in the substantial absence of solvent to yield a homogeneous composition having a reduced glass transition temperature or melting point that facilitates reduced-temperature blending of the hardener composition with the epoxy resin.

Abstract: A charge-transfer salt formed from a material comprising a repeat unit of formula (I) and an n-dopant: wherein BG is a backbone group of the repeat unit; R1 is a ionic substituent comprising at least one cationic or anionic group; n is at least 1; R2 is a non-ionic substituent; and m is 0 or a positive integer; the material further comprising a counterion balancing the charge of the cationic or anionic group.

Abstract: Disclosed are void-containing films and shrinkable films which show excellent density reduction that is retained upon exposures to high temperatures. The voiding agents are hollow glass microspheres. The shrinkable films have high shrinkage and retain their low density after processing under conditions of temperature and moisture used in typical recycling processes. The films are useful as for sleeves, labels, laminates and other shrinkable film applications, and their lower density allows them to be readily separated from soft drink bottles, food containers and the like during recycling operations.

Abstract: Liquid crystalline hydroquinone-3,4?-biphenyl dicarboxylate polyesters, and methods of making them. The polyesters may be melt processed at a temperature below the thermal decomposition temperature and the isotropic temperature, and may form a liquid crystalline glass phase. The polyesters may be formed by polycondensation of hydroquinone or a hydroquinone derivative with 3,4?-biphenyl dicarboxylic acid.

Abstract: Provided is a method for preparing a polyamide by an anionic polymerization reaction, wherein lactam, and based on 100 parts by weight of the entire lactam, 0.01 parts by weight to 20 parts by weight of an alkali metal as an initiator, 0.3 parts by weight to 10 parts by weight of a molecular weight controller, and 0.002 parts by weight to 1.0 part by weight of carbon dioxide as an activator may be included.

Abstract: A method of making a polyetherimide includes forming an intermediate polyetherimide with an anhydride-amine stoichiometry of ?2 to ?40 mol % and melt mixing the intermediate polyetherimide with a bis(ether anhydride) for greater than 3 minutes at a temperature 50 to 225° C. greater than the glass transition temperature of a final polyetherimide to produce the final polyetherimide.

Abstract: The present disclosure relates to the synthesis of phosphorus based polymer networks by thermal or photopolymerizaton of primary phosphines with olefins which exhibit tunable oxidative and mechanical properties. The method involves mixing a polymerizaton initiator with a phosphine and an olefin to produce a mixture and exposing the mixture to any one or combination of light, electron beam, or heat to induce polymerizaton of the primary phosphines with the olefins wherein the reactivity of the primary phosphines results in the production of polymers containing P—C bonds. When the olefin is a flexible alkene, upon polymerizaton a polymer network is produced which is less rigid than a polymer network produced using a rigid alkene. If a rigid alkene is used, upon polymerizaton a polymer network is produced that is firmer than a polymer network produced using a flexible alkene. In this way the physical properties of the polymers containing P—C bonds is tunable.

Abstract: Polymeric BODIPY dyes including light harvesting BODIPY unit-comprising multichromophores are provided. In some embodiments, the dyes are polymeric tandem dyes that include a light harvesting BODIPY unit-comprising multichromophore and an acceptor chromophore covalently linked to the multichromophore in energy-receiving proximity therewith. The polymeric tandem dyes may be covalently linked to a specific binding member. Also provided are methods of evaluating a sample for the presence of a target analyte and methods of labelling a target molecule using compositions including the polymeric tandem dyes. Kits and systems for practicing the subject methods are also provided.

Abstract: A near-infrared shielding ultrafine particle dispersion body, and others, having excellent near-infrared shielding function, low haze value and excellent design, with suppressed change in color tone during outdoor use and blue haze phenomenon, using near-infrared shielding ultrafine particles transparent in visible light range, having excellent near-infrared shielding properties, and produced with high productivity, and a near-infrared shielding ultrafine particle dispersion body in which ultra-fine particles having near-infrared shielding properties are dispersed in solid medium, wherein the ultrafine particles are composite tungsten oxide ultrafine particles represented by general formula MxWyOz, and have XRD peak top intensity ratio value of 0.

Abstract: The present invention relates to functionalized hydrogel networks grafted with at least one moiety for use in numerous fields, from cosmetics to surgery and medicine.

Abstract: The present invention relates to a method for preparing a superabsorbent polymer, and a superabsorbent polymer prepared thereby. A superabsorbent polymer prepared by the preparation method exhibits minimized deterioration of physical properties after being pulverized, and thus basic absorbance performance is excellent and an excellent liquid permeability and absorbance rate can be exhibited.

Abstract: Provided is a method for producing a thermosetting aqueous binder comprising a polycarboxylic acid and an amine-based compound serving as a crosslinking agent for the polycarboxylic acid and having two or more per molecule of at least one from between an amino group and an imino group, the method comprising: a blocking step for blocking at least a part of the carboxy groups of the polycarboxylic acid with a volatile basic compound to obtain a blocked polycarboxylic acid; and a mixing step for mixing the blocked polycarboxylic acid and the amine-based compound. According to such an invention, it is possible to reduce a precipitate and a viscous substance generated during production to a level sufficient for practical use.

Abstract: A method for fusing aramid fibers, wherein a) at least one area of an aramid fiber is treated with an ionic liquid so that the aramid is partially dissolved, b) the aramid fiber is contacted via the dissolved area with another aramid fiber area with pressure being applied to the contact area, and subsequently c) the partially dissolved area of the aramid is re-coagulated.

Abstract: In a first aspect, a polyimide film includes a dianhydride, a fluorinated aromatic diamine and an aliphatic diamine. The polyimide film has a b* of less than one for a film thickness of at least 30 microns and a glass transition temperature of less than 300° C. In a second aspect, an electronic device includes the polyimide film of the first aspect.

Abstract: An oriented polyester film containing antioxidant and modified polyolefin wax in a surface layer on at least one side thereof, wherein the oriented polyester film is such that the modified polyolefin wax contained in said layer is present in an amount that, as measured based on weight of a composition at said layer, is not less than 0.1 wt % but less than 3.0 wt %, and wherein the modified polyolefin wax is such that acid value thereof is not less than 1 mg KOH/g but less than 50 mg KOH/g, 3 wt % weight loss onset temperature thereof is not less than 300° C., weight-average molecular weight thereof is within a range that is 3,500 to 65,000, and the antioxidant is present in an amount that, as measured based on the weight of the composition, is not less than 0.02 wt % but less than 0.35 wt %.

Abstract: Treating an uncured resin to impart energy to the resin enables a stable Tg to be achieved whereby the resin may be stored and has a low tack enabling subsequent processing and handling. The invention provides a method of achieving a stable Tg without the resin starting to cure and a method of determining the treatment regime by which a resin with a stable Tg may be obtained. The resin may be fresh or reused uncured resin and may contain fibrous reinforcement.

Abstract: The present application can provide a composite material which comprises a metal foam and a polymer component and has other excellent physical properties such as impact resistance, processability and insulation properties while having excellent thermal conductivity.

Abstract: Provided is a prepeg resin composition, containing: a urethane (meth)acrylate (A) that is a reaction product of polyisocyanate (a1), polyol (a2), and hydroxy alkyl (meth)acrylate (a3); and a polymerization initiator (B), as an essential component, in which the polyisocyanate (a1) is at least one polyisocyanate selected from 2,4?-diphenyl methane diisocyanate, 4,4?-diphenyl methane diisocyanate, a carbodiimide modified product of 4,4?-diphenyl methane diisocyanate, and polymethylene polyphenyl polyisocyanate, and the polyol (a2) has an aromatic-ring and an oxyalkylene structure. The prepreg resin composition of the invention is excellent in workability and molding properties, and is capable of forming a molded article excellent in various physical properties such as external appearance and heat resistance, and thus, can be preferably used in a prepreg and a molded article thereof.

Abstract: A prepreg includes a resin composition or a semi-cured product of the resin composition, and a glass cloth, wherein the resin composition contains a modified polyphenylene ether compound terminally modified with a substituent having an unsaturated carbon-carbon double bond, and a crosslinkable curing agent having an unsaturated carbon-carbon double bond in a molecule, a content of the modified polyphenylene ether compound is 40 to 90 mass % with respect to a total mass of the modified polyphenylene ether compound and the crosslinkable curing agent, a cured product of the resin composition has a relative permittivity of 2.6 to 3.8, the glass cloth has a relative permittivity of 4.7 or less and a dielectric loss tangent of 0.0033 or less, and a cured product of the prepreg has a relative permittivity of 2.7 to 3.8 and a dielectric loss tangent of 0.002 or less.

Abstract: A prepreg according to the invention comprises: a raw yarn treated by a sizing agent; a thermoplastic resin material; and a thermosetting resin material; wherein the thermoplastic resin material coats at least a part of an outer peripheral surface of the raw yarn, wherein the thermosetting resin material coats at least a part of an outer peripheral surface of the thermoplastic resin material, or wherein the thermosetting resin material coats at least a part of the outer peripheral surface of the raw yarn, wherein the thermoplastic resin material coats at least a part of an outer peripheral surface of the thermosetting resin material, and wherein the thermosetting resin material is polymerized by heating.

Abstract: In an embodiment, a dielectric composite comprises a thermoset derived from a functionalized poly(arylene ether). a triallyl (iso)cyanurate, and a functionalized block copolymer; a hydrophobized fused silica; and a reinforcing fabric. The dielectric composite can be prepared by forming a thermosetting composition comprising the methacrylate functionalized poly(arylene ether), the triallyl (iso)cyanurate, the functionalized block copolymer, the hydrophobized fused silica, an initiator, and a solvent; coating the reinforcing fabric with the thermosetting composition; at least partially curing the thermosetting composition to form a prepreg; and optionally laminating the prepreg and at least one electrically conductive layer to form the circuit material.

Abstract: A sealing member includes: a rubber base material; and a coating provided on the rubber base material and having a melting point of 50° C. or higher, wherein the coating contains a polymer containing an acrylic acid ester containing a perfluoroalkyl group or a methacrylic acid ester containing a perfluoroalkyl group, as a monomer.

Abstract: A melamine/formaldehyde foam having an open-cell foam structure, with an impregnation applied to the foam structure that comprises at least one particulate phyllosilicate surface-modified with aminosilane and at least one anionically- and/or nonionically-stabilized polyurethane dispersion.

Abstract: A recycled polyester fiber is provided. The recycled polyester fiber is made of a raw material by melt spinning The raw material includes 95.0 wt % to 99.99 wt % recycled polyester pellet formed from recycled bottle chip and 0.01 wt % to 5.0 wt % titanium dioxide slurry. Based on the total weight of the titanium dioxide slurry, the titanium dioxide slurry includes 20 wt % to 50 wt % bio-oil acting as carrier, 50 wt % to 80 wt % titanium dioxide powder, 0.1 wt % to 5 wt % dispersant, 0.01 wt % to 3 wt % antioxidant, and 0.001 wt % to 0.1 wt % dye.

Abstract: The present invention relates to polyamide-based compositions comprising at least one filler from the group consisting of aluminum oxide, boron nitride and triclinic aluminum silicate and also the use of these compositions for producing products having relatively high flame resistance requirements, particularly preferably products having relatively high glow wire requirements, in particular components for electric current- and voltage-conducting components in domestic appliances.

Abstract: The present invention relates to the use of a hardwood lignin, a softwood lignin, and/or a grass lignin as an antioxidant stabilizer in polymers or polymer compositions, such as, for example, thermoplastics, thermoplastic composites, thermosets, coatings, films, adhesives, personal care compositions, or any combination thereof.

Abstract: Provided are a novel solid-based upconversion film having high emission efficiency and a method for producing the upconversion film. An upconversion film according to the present invention is a stretched film formed of a composition at least including an acceptor, a donor, and a matrix resin, wherein the matrix resin is a poly(vinyl alcohol)-based resin, and the matrix resin is oriented by stretching. A method for producing an upconversion film according to the present invention is a method for producing a photon upconversion film including a step of stretching a composition at least including an acceptor, a donor, and a matrix resin, wherein the matrix resin is a poly(vinyl alcohol)-based resin, and the stretching is wet-stretching in an aqueous solution of boric acid.

Abstract: The present invention provides a rubber composition for a tire, the rubber composition containing: a diene rubber; silica; and a heterocyclic compound (where, the heterocyclic compound does not have a silicon atom) having a hydrocarbon group having from 3 to 30 carbons and at least one type of heterocycle selected from the group consisting of a piperazine ring, a morpholine ring, and a thiomorpholine ring; an average glass transition temperature of the diene rubber being ?50° C. or higher; a content of the silica being from 80 to 200 parts by mass per 100 parts by mass of the diene rubber; and a content of the heterocyclic compound being from 0.5 to 20% by mass with respect to the content of the silica. Such rubber composition has excellent processability, exhibits excellent wet grip performance and has low rolling resistance when the rubber composition is formed into a tire.

Abstract: Provided is an optical resin material for chromatic aberration correction, comp including at least 5 mass % of a compound (component A) represented by general formula (1) or general formula (3). (In the formula, R1 to R6 each independently represent a structure represented by general formula (2).) (In the formula, the broken line represents a binding site, n1 represents an integer of 0-3, n2 represents an integer of 0 or 1, n3 represents an integer of 0-4, R7 represents hydrogen, an acryl group, a methacryl group, a cyanoacryl group, a cyclic ether group, an allyl group, a propargyl group, a hydroxy group, an isocyanate group, chlorine, or an optionally branched alkyl group having 1-8 carbon atoms, and X represents a lactone-modified ketone chain or an alkylene glycol chain having 2-7 carbon atoms.) (In the formula, R1 to R6 each independently represent a structure represented by general formula (2).

Abstract: A method for producing a modified polyester resin reinforced with carbon fiber, comprising reacting a mixture containing (A) 100 parts by weight of a thermoplastic polyester, (B) 5 to 150 parts by weight of a carbon fiber, (C) 0.1 to 2 parts by weight of a coupling agent consisting of a polyfunctional epoxy compound having two or more epoxy groups in a molecule and having a weight-average molecular weight of 2,000 to 10,000, (D) 0.01 to 1 part by weight of a coupling reaction catalyst, and (E) a spreader of 0.01 to 1 part by weight at a temperature equal to or more than a melting point of the thermoplastic polyester to increase a melt viscosity.

Abstract: Provided are a shaped article made of a fibrous filler-reinforced thermoplastic resin composition and capable of increasing mechanical properties and a method for producing the shaped article. The shaped article is made of a resin composition containing: inorganic fibers having an average fiber length of 1 ?m to 300 ?m and an average aspect ratio of 3 to 200; and a thermoplastic resin, and the inorganic fibers have an average orientation angle of 24° or lower.

Abstract: A breathable film is described having a basis weight from 1 g/m2 to 10 g/m2, a process for producing the breathable film and use of a surface-treated filler material product as filler in the breathable film. Finally, an article is described that includes the breathable film as well as the use of the breathable film in hygienic applications, medical applications, healthcare applications, filtration materials, geotextile products, agricultural applications, horticultural applications, clothing, footwear products, baggage products, household applications, industrial applications, packaging applications, building applications, or construction.

Abstract: [Problem ] The present invention addresses the problem of providing a novelnanocarbon composite which is used to achieve a stable and uniform mechanical strength improvement effect in a carbon fiber-reinforced plastic or carbon fiber-reinforced composite material impregnated with a nanocarbon-containing resin. [Solution] A novel nanocarbon composite containing nanocarbon and nano-cellulose modified with a functional group(s) or a novel nanocarbon composite containing nanocarbon, nano-cellulose modified with a functional group(s), and a affinitive binding agent is constituted by incorporating a resin serving as a matrix in a carbon fiber-reinforced plastic or carbon fiber-reinforced composite material.

Abstract: A resin composition forming an insulation layer, including a base resin containing polyolefin, and an inorganic filler; wherein a surface of the inorganic filler includes: an aminosilyl group having an amino group, and a hydrophobic silyl group having a hydrophobic group.

Abstract: The present application discloses a polyvinyl alcohol composition, as well as a preparation method and polyvinyl alcohol medical catheter containing thereof, wherein raw materials include the following components: 60-90 parts of polyvinyl alcohol; 0.1-3 parts of glutaraldehyde; and the polyvinyl alcohol composition is made by mixing the polyvinyl alcohol in molten state with the glutaraldehyde in an acidic environment.

Abstract: The present invention relates to a composition for use as an adhesive, paint, coating, resin, (surface) size, composite, gel or hydrogel, said composition comprising microfibrillated cellulose (“MFC”). In addition to microfibrillated cellulose, these compositions comprise at least one solvent, said solvent preferably comprising or consisting of water, and at least one compound that is (a) capable of polymerizing, or has already partly or fully, polymerized, and that (b) has at least two groups available for hydrogen bonding, preferably OH groups, that are capable of crosslinking with at least one functional group of the microfibrillated cellulose.

Abstract: The present invention relates to methods for processing plant and/or micro-organism derived cellulose materials into rheology/structuring agents. More in particular, the present invention relates to methods wherein plant and/or micro-organism derived cellulose material is co-processed with carboxycellulose. The methods of the present invention provide a variety of benefits, in terms of process efficiency and scalability as well as in relation to the properties of the materials that are obtainable using these methods. For instance, it has been found that (highly) concentrated products produced using the method of the invention are easily (re)dispersible in water and aqueous systems to regain much of the cellulose component's original rheological performance.

Abstract: A resin composition for molding having excellent heat resistance, hardness, cost-effectiveness and biodegradability is provided by using amorphous resin material components extracted from plant-derived wood. The resin composition includes a first resin including a hemicellulose or a hemicellulose derivative and a second resin including polymethylmethacrylate (PMMA, acrylic), polycarbonate (PC), cyclo olefin polymer (COP), cyclo olefin copolymer (COC), polypropylene (PP), polyethylene (PE), polyethylene terephthalate (PET), or polystyrene (PS) and has excellent injection moldability.

Abstract: Tires and tire components are provided having improved fire properties, as well as the vulcanizable compositions for making the tires and tire components. A vulcanizable composition is provided that includes at least one vulcanizable polymer, a curative, a halogenated hydrocarbon, and expandable graphite. The tires and tire components have improved properties including one or more of improved flame retardancy, reduced smoke density and/or toxicity, and reduced heat release.