Abstract: Acrylic compositions comprising a hindered amine light stabilizer are described herein. The acrylic composition may be in the form of a fiber, thread, yarn, and/or fabric. Also described herein are methods of making and using the acrylic compositions and articles comprising an acrylic composition as described herein.

Abstract: A valve device includes: a casing having an outflow port in which a fluid outlet opening is formed; a joint joined to an opening end surface of the outlet opening; a valve accommodated in the casing so as to be rotatable or slidable and in which a communication port that can communicate with the outlet opening is formed; and a sliding ring with a sliding surface for sliding on an outer surface of the valve while being accommodated in the outflow port and communicates the outlet and the communication port based upon a position of the valve. At least the outer surface of the valve includes a first resin material that contains a first resin, at least the sliding surface of the sliding ring includes a second resin material that contains a second resin, and the first resin and the second resin are the same type of resin.

Abstract: The production method of the present invention includes a step of supplying an organic polar solvent, a sulfur source, and a dihalo aromatic compound as reaction raw materials to at least one of a plurality of reaction vessels mutually communicated via a gas phase; a step of removing at least a portion of the water present in the reaction vessels; and a step of performing a polymerization reaction. These steps are carried out in parallel, and the reaction mixture is sequentially moved between reaction vessels. At that time, the internal temperatures of the reaction vessels are all not less than 150° C.

Abstract: A triazine ring-containing polymer including a repeating unit represented by Formula (1) and having a number average molecular weight of greater than about 20000 g/mol and less than or equal to about 50000 g/mol: wherein, in Formula (1), R1 is each independently a C1 to C5 alkyl group and R2 is each independently a divalent group having at least one aromatic hydrocarbon group.

Abstract: A method for curing a mixture of a matrix and a curing agent based on sulfur-containing polymers on command and so rapidly that a tack-free surface results. A method for coating a substrate with the composition and of curing a sealant is also provided. The matrix and curing agent containing sulfur-containing polymers. The mixture is an uncured mixture with an isocyanate content, and the matrix is uncured and contains a mercaptan-terminated base polymer based on at least one polyether, polythioether, polysulfide or copolymers thereof. The uncured matrix, the curing agent, or both contain at least one photoinitiator based on sterically-inhibited tertiary amines. The mixture cures in the temperature range of ?10 to +70° C. after the high-energy actinic radiation is applied. Corresponding matrices A, mixtures B, curing agents, sealant systems, and substrates, e.g., aircraft are contemplated.

Abstract: A resin film having an aromatic polysulfone as a forming material is provided. The resin film has a thickness of less than 100 ?m, and further contains an organic compound having a boiling point no lower than 250° C. and no higher than 400° C. The organic compound is contained in an amount of at least 500 ppm and at most 4000 ppm relative to the mass of the aromatic polysulfone.

Abstract: The present invention relates to a method for preparing nanoporous polysulfone-based polymers, including: a copolymer of a polysulfone polymer and a polar polymer is immersed into a compound swelling agent, and maintained for at least 1 minute above room temperature; the compound swelling agent is a “solvent pair” composed of the mixture of solvent A and solvent B; the solvent A has high affinity with the polysulfone polymer; and the solvent B has high affinity with the polar polymer; the treated copolymer is taken out from the compound swelling agent and then dried to remove the solvent to obtain the nanoporous polysulfone-based polymers.

Abstract: Provided is a method for producing a polythiol compound, including reacting 2-mercaptoethanol with an epihalohydrin, wherein the reaction is carried out in the presence of a halide selected from the group consisting of a 2,3-dihalogeno-1-propanol and an allyl halide, and an amount of the halide in the reaction is more than 0.50% by mass and 10.00% by mass or less with respect to the total amount of the halide and the epihalohydrin. Also provided are a method for producing a curable composition, including producing a polythiol compound by the abovementioned production method, and a method for producing a cured product, including producing a curable composition by the abovementioned production method.

Abstract: The present invention relates to a sealing compound for coating a substrate, which is a mixture of a predominantly uncured base mass and a curing agent containing at least one epoxy composition, wherein the base mass contains a mercapto-terminated base polymer based on polyether, polythioether, polythioethersulfide, polysulfide, copolymers thereof and/or mixtures thereof, wherein the base mass, the curing agent or both contain at least one photoinitiator based on a sterically hindered nitrogen-containing organic base, and, through the effects of high-energy actinic radiation, the at least one photoinitiator dissociates at least one radical per molecule based on a nitrogen-containing organic base, from which a nitrogen-containing organic base having a pKa value of the conjugated acid in the region of 6 to 30 is formed, which acts as an active catalyst for the curing of the base mass. The present invention also relates to a corresponding method for coating a substrate with a sealing compound.

Abstract: According to the present invention, it is possible to provide a photocurable composition which comprises a cyclic compound (a) represented by formula (1), an episulfide compound (b), and a photopolymerization initiator (c). In a preferred embodiment, the proportion of the cyclic compound (a) in the photocurable composition is 5-80 mass %, the proportion of the episulfide compound (b) is 20-95 mass %, and the proportion of the photopolymerization initiator (c) is 0.1-10 parts by mass per 100 parts by mass of the sum of the cyclic compound (a) and the episulfide compound (b). In the formula, C represents a carbon atom, X represents S, Se, or Te, and a to f are integers of 0-3, provided that 8?(a+c+e)?1, 8?(b+d+f)?2, and (b+d+f)?(a+c+e).

Abstract: A polymer composition that includes, based on the total weight of the polymers: 1-99 weight percent, of a polymer component comprising a polyarylether ketone, a polybenzimdazole, a polyimide, a poly(aryl ether sulfone), a poly(phenylene sulfide), or a combination comprising at least one of the foregoing; and 1-99 weight percent, of a polyisoindolinone, wherein the polyisoindolinone comprises: 1-100 mole percent, preferably 5-100 mole percent, of isoindolinone ether ketone units of the formula (I) and 0-99 mole percent, of arylene ether ketone units of the formula (II) wherein the variables are as defined herein.

Abstract: An immune conjugate according to the present invention provides a pharmaceutical composition, which can be used in the target-oriented drug treatment by conjugating a dendron allowing a plurality of drugs to be bound to a surface thereof and a target-directed antibody, and especially, can deliver high concentrations of drugs in a tumor-specific manner to exhibit a strong anticancer effect by conjugating a hydrophilic dendron, to which a plurality of anticancer drugs are bound, to an antibody.

Abstract: To provide a method of manufacturing polyarylene sulfide (PAS) while efficiently recovering an organic amide solvent at a low energy cost, without using an organic solvent, from washing wastewater produced by washing a raw material mixture containing PAS and an organic amide solvent using a solvent containing water; a method of manufacturing PAS by reducing the amount of water supplied when washing the raw material mixture using a solvent containing water; and PAS manufactured by these methods.

Abstract: The invention relates to polysulfonamide compositions for use as redistribution layers as used in the manufacture of semiconductors and semiconductor packages. More specifically it relates to photoimageable polysulfonamide composition for redistribution applications. The invention also relates to the use of the compositions in semiconductor manufacture.

Abstract: A method for preparing a cationic sulfoxide intermediate having the following formula wherein Ar1 and Ar2 are substituted or unsubstituted aryl groups that are the same or different, includes reacting hydrogen peroxide with (i) a compound having the following formula (2) or sulfonic acid R?SO3H, wherein R? is CH3, CF3, phenyl, toluene, or OH, and (ii) a cationic thioether intermediate having the following formula (4) to obtain the cationic sulfoxide intermediate: wherein R is a substituted or unsubstituted C1-C6 alkyl group; and wherein Ar1 and Ar2 are as defined above and Y is an anion.

Abstract: A boron-containing nucleating agent is provided for use with a polyarylene sulfide. The boron-containing nucleating agent can have low crystallinity, a small particle size, and a large specific surface area. By selectively controlling certain aspects of the nucleating agent, the crystallization properties of a thermoplastic composition including the nucleating agent and a polyarylene sulfide can be significantly improved. For instance, the recrystallization temperature can be increased, which can allow the “cooling time” during a molding cycle to be substantially reduced. Through use of the boron-containing nucleating agent the recrystallization temperature can be greater than about 231° C.

Abstract: A method for forming a polyarylene sulfide is described. The method can include a multi-step cooling and precipitation process in which the cooling rate of the solution that carries the polymer is decreased during a portion of the overall cooling. This slower cooling period can encompass at least a portion of the period during which the polymer precipitates from the solution. The precipitation process can form polyarylene sulfide particles with good particle integrity and a narrow particle size distribution, which can reduce fines and improve downstream processing and final product characteristics.

Abstract: A polyetherimide film comprising a fluoropolymer and an extruded polyetherimide comprising units derived from polymerization of an aromatic dianhydride with a diamine selected from a meta-phenylene diamine, a para-phenylene diamine, and a combination thereof, wherein the polyetherimide is endcapped with an a substituted or unsubstituted aromatic primary monoamine; and wherein the polyetherimide film comprises at least 90 weight % of the polyetherimide before extrusion.

Abstract: Composite materials containing sulfurized polymers and sulfur-containing particles can be used in lithium-sulfur energy storage devices as a positive electrode. The composite material exhibits relatively high capacity retention and high charge/discharge cycle stability. In one particular instance, the composite comprises a sulfurized polymer having chains that are cross-linked through sulfur bonds. The polymer provides a matrix in which sulfide and/or polysulfide intermediates formed during electrochemical charge-discharge processes of sulfur can be confined through chemical bonds and not mere physical confinement or sorption.

Abstract: A measuring apparatus measure the amount of a metal catalyst supported on a sample that has a membrane of a metal catalyst layer containing the metal catalyst. The measuring apparatus includes a terahertz-wave emitting part that emits a terahertz wave in the range of 0.01 to 10 THz to the sample, a transmitted-terahertz-wave detection part that detects the electric field intensity of a transmitted terahertz wave that has passed through the sample, a storage that stores correlation information acquired in advance and indicating the correlation between the amount of the metal catalyst supported and the electric field intensity of the transmitted terahertz wave, and an amount-of-catalyst-supported acquisition module that acquires the amount of the metal catalyst supported on the sample, on the basis of the correlation information and the electric field intensity of the transmitted terahertz wave detected by the transmitted-terahertz-wave detection part.

Abstract: An optoelectronic device comprising a charge transfer layer including a first semiconductive polymer comprising one or more zwitterions.

Abstract: The purpose of the present invention is to provide a wiring substrate from which a metal film cannot be detached easily. A process for forming a metal film comprises a step (X) of applying an agent containing a compound (?) onto the surface of a base and a step (Y) of forming a metal film on the surface of the compound (?) by a wet-mode plating technique, wherein the compound (?) is a compound having either an OH group or an OH-generating group, an azide group and a triazine ring per molecule, and the base comprises a polymer.

Abstract: A multi-stage process and system for formation of a polyarylene sulfide is described. The multi-stage process can include at least three separate formation stages that can take place in three different reactors. The first stage of the formation process can include reaction of an alkali metal sulfide with an organic amide solvent to form a complex including a hydrolysis product of the solvent and an alkali metal hydrogen sulfide. The second stage of the formation process can include reaction of the complex formed in the first stage with a dihaloaromatic monomer to form a prepolymer, and the third stage can include further polymerization of the prepolymer with additional monomers to form the final product.

Abstract: The present invention relates to a method for separating volatile substances, particularly iodine, diiodised aromatic compounds and/or mixtures thereof, from material mixtures containing said compounds. The invention further relates to a device for producing polyarylene sulphides, by means of which volatile substances, particularly iodine and diiodised aromatic compounds, can be separated from the polymers.

Abstract: There is provided a production method of a cyclic polyarylene sulfide by heating and reacting a raw material mixture (a) including at least a sulfidizing agent, a dihalogenated aromatic compound and an organic polar solvent. The production method continually performs each of an operation (A) of supplying the raw material mixture (a) to a reaction mixture (b) in a reaction vessel which includes a reaction product obtained from the raw material mixture (a), an operation (B) of withdrawing part of the reaction mixture (b) from the reaction vessel, and an operation (C) of heating the reaction vessel.

Abstract: A multi-stage process and system for formation of a polyarylene sulfide is described. A first polymerization stage of the formation process can include reaction of a sulfide monomer with a dihaloaromatic monomer to form a prepolymer. A second polymerization stage can include further polymerization of the prepolymer with a sulfur-containing monomer and a dihaloaromatic monomer to form a low halogen content polyarylene sulfide. The amount of sulfur utilized in the second polymerization stage is a low fraction of the total amount of sulfur utilized in the multi-stage process.

Abstract: The present invention relates to a method for separating volatile substances, particularly iodine, diiodized aromatic compounds and/or mixtures thereof, from material mixtures containing said compounds. The invention further relates to a device for producing polyarylene sulphides, by means of which volatile substances, particularly iodine and diiodized aromatic compounds, can be separated from the polymers.

Abstract: It is intended to provide a medical material which enables a new method for cartilage tissue regeneration treatment based on an entirely new concept unlike a treatment method by transplantation of autologous cartilage tissue, a cartilage alternative or undifferentiated cells. The invention provides a bone filler for cartilage tissue regeneration comprising hydrogel having an interpenetrating network structure formed by two or more crosslinked network polymers or a semi-interpenetrating network structure formed by a crosslinked network polymer and a linear polymer. By filling the bone filler of the invention in a hole or a groove provided in subchondral bone just under damaged cartilage tissue, regeneration of the cartilage tissue or both the cartilage tissue and the subchondral bone can be promoted.

Abstract: To provide a technique by which an —OH group can be effectively formed on a material surface for the purpose of making the material suitable for bonding (for example, for molecular bonding) that utilizes a chemical reaction (chemical binding). [Solution] A bonding method for bonding a substrate A and a substrate B, which comprises: a step for applying an agent that contains the compound (?) described below on the surface of the substrate A; a step for arranging the substrate B so as to face the compound (?) that is present on the surface of the substrate A; and a step for integrally bonding the substrate A and the substrate B by applying a force onto the substrate A and/or the substrate B. The compound (?) is a compound that has an OH group or an OH-forming group, an azide group and a triazine ring in each molecule, and the substrate A is configured using a polymer.

Abstract: The present invention is directed to a method of treating a reinforcement cord, comprising the steps of (A) atomizing a mixture of at least one hydrocarbon sulfide, a low viscosity organic solvent, and a carrier gas to form an atomized mixture; (B) generating an atmospheric pressure plasma from the atomized mixture; and (C) exposing the reinforcement cord to the atmospheric pressure plasma under conditions suitable to form a polymer strongly bonded to the reinforcement cord and capable of bonding to rubber.

Abstract: The present invention provides a process for preparing copolymers, by oxidatively polymerizing thiophene or substituted thiophene such as 3,4-ethylenedioxythiophene or 3-hexyl thiophene in presence of a reactive surfactant, as aqueous dispersions using catalyst such as FeCl3 and peroxide as the oxidizing agent.

Abstract: A granular polyarylene sulfide; (i) the granular polyarylene sulfide containing an —S— substituent at the terminal, the substituent being formed by cleavage of a disulfide compound; (ii) the granular polyarylene sulfide being an oversize fraction after sifting with a sieve having a mesh size of at least 38 ?m; (iii) the granular polyarylene sulfide having a halogen content of at most 1,500 ppm; and (iv) the granular polyarylene sulfide being a granular polyarylene sulfide having a melt viscosity of 3 to 100 Pa·s when measured under conditions at a temperature of 310° C. and a shear rate of 1,200 sec?1. The granular polyarylene sulfide is well balanced in melt viscosity, halogen content, nitrogen content, thermal stability, and yield.

Abstract: Poly(ether sulfones) (PES) and poly(ether amide sulfones) (PEAS) were prepared from post-consumer polycarbonates and polyesters, respectively, using a single vessel in batch mode (all reactants present when heating was initiated). The depolymerization of the initial polymer occurs concurrently with step growth polymerization to form a product polymer having a number average molecular weight of at least 5000.

Abstract: A formulation including: an organic semiconducting polymer selected from the diketopyrrolopyrrole (DPP) and fused thiophene co-polymer structures of the formulas (I), (II), or combinations thereof, or salts thereof, in an amount of from 0.1 to 5 wt % based on the total weight of the formulation: formulas (I) and (II), respectively, where m is an integer from 1 to 2, n is an integer from 4 to 80, X and Y are independently selected from a divalent heteroaryl, such as a thiophene, R1, R2, R3, and R4 is each a hydrocarbylene substituent as defined herein, a first solvent is selected from a cyclic aliphatic in an amount of from 2 to 98 wt %; and a second solvent selected from an aromatic in an amount of from 98 to 2 wt %. Also disclosed are method of making and using the disclosed formulations, for example, for use in electronic devices.

Abstract: To provide a technique by which an —OH group can be effectively formed on a material surface for the purpose of making the material suitable for bonding (for example, for molecular bonding) that utilizes a chemical reaction (chemical binding). [Solution] A bonding method for bonding a substrate A and a substrate B, which comprises: a step for applying an agent that contains the compound (?) described below on the surface of the substrate A; a step for arranging the substrate B so as to face the compound (?) that is present on the surface of the substrate A; and a step for integrally bonding the substrate A and the substrate B by applying a force onto the substrate A and/or the substrate B. The compound (?) is a compound that has an OH group or an OH-forming group, an azide group and a triazine ring in each molecule, and the substrate A is configured using a polymer.

Abstract: Disclosed herein are methods and compositions of polycarbonate compositions having, among other characteristics, improved thermal dimensional stability, hydrolytic stability and high refractive index. The resulting polycarbonate copolymer composition, comprising a polycarbonate and a polysulfone, can be used in the manufacture of articles for optical applications. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: Diethylene glycol monomethyl ether resistant coatings include a base component including a sulfur-containing, epoxy functional polyol, and an activator component including an isocyanate curing agent.

Abstract: This disclosure relates to polyarylene sulfide that may exhibit and maintain excellent properties and a method for preparing the same, wherein the polyarylene sulfide is in the form of pellet of 2 to 10 mm size immediately after melt polymerization, and has residual solvent content of 300 ppm or less, based on the total weight of resin. The polyarylene sulfide may exhibit and maintain excellent properties, particularly it does not generate foam in the product or stain on the surface, has excellent mechanical properties such as tensile strength, and the like, and thus, it may be usefully applied in the industrial field of preparing polyarylene sulfide and manufacturing a molded product using the same.

Abstract: Polycyclic aromatic hydrocarbon compounds having an S atom or S(?O)2 moiety incorporated in their basic polycyclic structure that can have a nitrogen-containing heterocycloaliphatic group and/or a substituted or unsubstituted phenoxy group and/or a polymeric moiety bonded to the polycyclic structure and to compositions such as, e.g., printing inks which comprise these polycyclic aromatic hydrocarbons as colorants.

Abstract: Novel photoactive polymers, as well as related photovoltaic cells, articles, systems, and methods, are disclosed.

Abstract: The invention provides intermediates of the formula: as well as a method of their preparation by reacting a thiol having at least two hydroxyl groups with a mono-unsaturated organic compound in the presence of a base catalyst. A polymerizable urethane acrylate oligomer or urethane methacrylate oligomer is formed by reacting a polyisocyanate with the intermediate. The polymerizable urethane acrylate oligomer or urethane methacrylate is blended with a polymerization initiator to form a composition which is useful in such applications as adhesives.

Abstract: Novel semiconducting photovoltaic polymers with conjugated units that provide improved solar conversion efficiency that can be used in electro-optical and electric devices. The polymers exhibit increased solar conversion efficiency in solar devices.

Abstract: A process comprising contacting a reaction product composition comprising a poly(arylene sulfide) composition and a polar organic compound, wherein the polar organic compound comprises greater than or equal to about 1 wt. % thiophenol, with a C4-C30 ?,?-unsaturated ketone, a C4-C30 ?,?-unsaturated ester, a C4-C30 ?,?-unsaturated amide, or any combination thereof, wherein after the contacting, the polar organic compound comprises less than about 1 wt. % thiophenol. A process comprising contacting a composition comprising a polar organic compound and greater than or equal to about 1 wt. % thiophenol with a C4-C30 ?,?-unsaturated ketone, a C4-C30 ?,?-unsaturated ester, a C4-C30 ?,?-unsaturated amide, or any combination thereof, to form a composition comprising the polar organic compound and less than about 1 wt. % thiophenol.

Abstract: A polymer of sulfonated poly(arylene ether)s (PAEs) and a manufacturing method thereof are provided. A main structure of the PAEs has a first side formed by multi-phenyl glycol monomer and a second side formed by multi-phenyl dihalo monomer with an electron-withdrawing group. The glycol monomer and the dihalo monomer are reacted with each other by a nucleophilic displacement reaction, so as to form the main structure of the PAEs. A film made of the PAEs has a better size stability under a high water uptake.

Abstract: A fuel cell catalyst layer having sulfonated poly(arylene ether)s and a manufacturing method therefor are provided. The manufacturing method includes steps of: providing at least one type of sulfonated poly(arylene ether)s; mixing the sulfonated poly(arylene ether)s with a catalyst composition to prepare a catalyst slurry; and coating the catalyst slurry to form a film which is dried to be an electrode catalyst layer, in which the weight ratio of the sulfonated poly(arylene ether)s is 5-50 wt %. The sulfonated poly(arylene ether)s in the electrode catalyst layer can provide good thermal stability, glass transition temperature, chemical resistance, mechanical properties, water impermeability, low proton transmission loss, and a relatively simple process to shorten the manufacturing time and lower the cost thereof.

Abstract: Biomaterials that support cell attachment and growth are provided. In one aspect, biomaterials are provided comprising a first polymer matrix comprising reactive amino moieties and a second polymer matrix that interpenetrates with the first polymer matrix, where the second polymer matrix comprises a poly(alkylene oxide) comprising two or more alkylene oxide oligomers joined by gamma-thioether carbonyl linkages. In another aspect, biomaterials are provided comprising at least one biopolymer comprising amino groups, thiol groups, and bifunctional modifiers connecting at least some of the amino groups to at least some of the thiol groups; and at least one poly(alkylene oxide) cross-linked to at least two thiol groups of the biopolymer. The biomaterials may further comprise a pharmacologically active agent or cells. Methods of administering such biomaterials to a patient in need thereof are also provided.

Abstract: Nanocomposites comprising a sulfonated telechelic polycarbonate and an organically modified clay are disclosed. The polycarbonate nanocomposites have improved physical and mechanical properties.

Abstract: Photoactive polymers are provided, as well as related photovoltaic cells, articles, systems, and methods comprising these photoactive polymers.

Abstract: The present invention relates to a polyarylene sulfide that is prepared from a composition including 100 parts by weight of solid sulfur, 500 to 10,000 parts by weight of iodinated aryl compounds, and 0.03 to 30 parts by weight of a sulfur-containing polymerization terminator with respect to 100 parts by weight of the solid sulfur, and has a melting temperature (Tm) of 255 to 285° C., and luminosity of 40 or higher as defined by the CIE Lab color model, and a process of preparing the same. The PAS resin is prepared from a composition including a sulfur-containing polymerization terminator and thus has excellent thermal properties and luminosity.

Abstract: Bis(sulfonyl)alkanol-containing polythioethers, compositions containing bis(sulfonyl)alkanol-containing polythioethers, methods of synthesizing bis(sulfonyl)alkanol-containing polythioethers and the use of bis(sulfonyl)alkanol-containing polythioethers in aerospace sealant applications are disclosed. The bis(sulfonyl)alkanol-containing polythioethers have bis(sulfonyl)alkanol groups incorporated into the backbone of the polythioether. Cured sealant compositions comprising the bis(sulfonyl)alkanol-containing polythioethers exhibit enhanced properties suitable for aerospace sealant applications.