Abstract: A binder composition contains an organic solvent and a binder that includes a particulate polymer A and a highly soluble polymer B. The particulate polymer A includes an ethylenically unsaturated acid monomer unit in a proportion of not less than 1.0 mass % and not more than 10.0 mass % and a (meth)acrylic acid ester monomer unit in a proportion of not less than 30.0 mass % and not more than 98.0 mass %. The particulate polymer A includes two particulate polymers A1 and A2 having different volume-average particle diameters. The volume-average particle diameters D50A1 and D50A2 of these particulate polymers A1 and A2 satisfy a formula: D50A2>D50A1?50 nm.
Abstract: Provided is a binder composition for a non-aqueous secondary battery containing: a particulate polymer formed of a block copolymer including an aliphatic conjugated diene monomer unit and a block region formed of an aromatic vinyl monomer unit; at least one saturated hydrocarbon selected from the group consisting of a chain alkane having a carbon number of not less than 5 and not more than 8 and a cycloalkane having a carbon number of not less than 5 and not more than 8; and water. The content of the saturated hydrocarbon is not less than 0.001 parts by mass and not more than 0.1 parts by mass per 100 parts by mass of the particulate polymer.
Abstract: Disclosed is a method of joining resin members that includes: forming a coating layer by applying a solvent to a surface of a resin member, the solvent allowing the thermoplastic resin to have a degree of swelling of 1.05 or more and 3.00 or less when the thermoplastic resin is swollen by the solvent, and having a boiling point B° C. of R ° C. or lower where R ° C. is a glass transition temperature of the thermoplastic resin; laminating resin members one another via the coating layer to form a laminate; and pressing the laminate in the lamination direction while heating at a heating temperature H ° C. that is equal to or lower than R ° C.
Abstract: Provided is a copolymer that can be favorably used as a main chain scission-type positive resist that has excellent heat resistance and that can form a resist pattern having excellent resolution and clarity. The copolymer includes a monomer unit (A) represented by the following formula (I) and a monomer unit (B) represented by the following formula (II), and has a molecular weight distribution of 1.7 or less. In the formulae, L is a single bond or a divalent linking group, Ar is an optionally substituted aromatic ring group, R1 is an alkyl group, R2 is an alkyl group, a halogen atom, or a haloalkyl group, p is an integer of not less than 0 and not more than 5, and in a case in which more than one R2 is present, each R2 may be the same or different.
Abstract: A dielectric elastomer drive system A1 includes: a dielectric elastomer drive unit 1 provided with a dielectric elastomer layer 11 and a pair of electrode layers 12 flanking the dielectric elastomer layer 11; a power supply unit 5 configured to apply voltage to the dielectric elastomer drive unit 1; and a charge removal unit 2 configured to remove the charge stored in the dielectric elastomer drive unit 1. The configuration contributes to improving responsiveness.
Abstract: A method for producing a molded article including a washing step of washing a molded article with hot water at 40 to 100° C., the molded article being prepared from a latex composition containing a conjugated diene polymer latex and a xanthogen compound.
Abstract: Provided is a conductive material paste for an electrochemical device electrode with which it is possible to produce a slurry composition that has excellent viscosity stability and can cause an electrochemical device to display excellent cycle characteristics. The conductive material paste contains a fibrous conductive carbon, a triazine skeleton-containing compound, a water-soluble polymer, and water. The amount of the triazine skeleton-containing compound is not less than 1 part by mass and not more than 50 parts by mass per 100 parts by mass of the fibrous conductive carbon, and the amount of the water-soluble polymer is not less than 1 part by mass and not more than 50 parts by mass per 100 parts by mass of the fibrous conductive carbon.
Abstract: Provided is a method of producing piperylene from a hydrocarbon mixture derived from a petroleum fraction having a carbon number of 5. The hydrocarbon mixture has a piperylene proportional content of not less than 60 mass % and not more than 80 mass % and has a cyclic hydrocarbon proportional content of not less than 20 mass % and not more than 40 mass %. The method of producing piperylene includes a membrane separation step of performing membrane separation of the hydrocarbon mixture using a zeolite membrane to obtain a separated product in which piperylene is enriched.
Abstract: A dielectric elastomer power generation system A1 includes a dielectric elastomer power generation element 3 having a dielectric elastomer layer 31 and a pair of electrode layers 32 sandwiching the dielectric elastomer layer 31. The dielectric elastomer power generation system A1 further includes a piezoelectric element 1 and a multi-stage voltage multiplier/rectifier circuit 2 that boosts and rectifies the voltage generated by the piezoelectric element 1 and applies the resulting voltage as an initial voltage to the dielectric elastomer power generation element 3. This configuration enables the system to be constructed at a lower cost and increase the amount of power generation.
Abstract: Provided is a method for producing a shaping material that contains a cyclic olefin polymer and has a low content of a volatile impurity. This method for producing a shaping material is a method which includes passing a raw-material resin in a molten state through an extruder to produce a shaping material, and in which the extruder is equipped with a cylinder, a screw housed within the cylinder, a resin introduction port for introducing the raw-material resin into the cylinder, a resin discharge port for discharging the molten resin from the cylinder, a fluid injection port for injecting carbon dioxide or water into the cylinder between the resin introduction port and the resin discharge port, and a fluid discharge port for removing fluid in the cylinder by suction downstream of the fluid injection port and between the resin introduction port and the resin discharge port.
Abstract: A dielectric elastomer transducer according to the present invention includes a dielectric elastomer layer, and a pair of electrode layers sandwiching the dielectric elastomer layer. The electrode layers contain a binder and carbon black. The carbon black has a particle size distribution as measured by dynamic light scattering in which not less than 95% falls in a range of 0.15 to 8.0 ?m. The carbon black has a particle size as measured by laser scattering ranging from 0.4 to 50 ?m. The particle size distribution of the carbon black as measured by dynamic light scattering has a first peak that falls in a first range of 0.15 to 1.0 ?m and a second peak that falls in a second range of 1.0 ?m to 8.0 ?m. This structure achieves both stretchability and electrical conductivity of the electrode layers.
Abstract: An objective of this disclosure is to provide a method of reusing a resin shaped product including an alicyclic structure-containing polymer, which can obtain a recycled article of the resin shaped product having reduced appearance defects and improved physical properties such as color tone. The presently disclosed method of reusing a resin shaped product including an alicyclic structure-containing polymer includes grinding the resin shaped product to obtain shaped product ground products; and dissolving the shaped product ground products in a mixed solvent containing not less than 80 weight % and not more than 98 weight % of cyclohexane and not less than 2 weight % and not more than 20 weight % of a hydrocarbon-based or aromatic solvent having a coagulation point of ?40° C. or lower per 100 weight % of the mixed solvent to obtain a polymer solution.
Abstract: A composition for an electrochemical device functional layer contains a particulate polymer, a binder, and heat-resistant fine particles. The particulate polymer has a core-shell structure including a core portion formed of a polymer A and a shell portion formed of a polymer B. The polymer A has a degree of swelling in electrolyte solution SA of not less than a factor of 1 and not more than a factor of 8, the polymer B has a degree of swelling in electrolyte solution SB of a factor of 4 or more, and these satisfy a relationship of SB/SA?1.2. The particulate polymer has a volume-average particle diameter of not less than 1.0 ?m and not more than 10.0 ?m.
Abstract: A photoelectric conversion module is a photoelectric conversion module including a translucent substrate and one or more photoelectric conversion elements formed on the translucent substrate, wherein each of the photoelectric conversion elements is formed by stacking a transparent conductive film, a first charge transport layer, a power generation layer, and a second charge transport layer made of a porous film containing a carbon material, in this order from the side of the translucent substrate, and a portion of the second charge transport layer of at least one of the photoelectric conversion elements, the portion facing another transparent conductive film adjacent to the transparent conductive film of the photoelectric conversion element is electrically connected to the other transparent conductive film via a conductive layer that is thicker than a thickness of adding up the first charge transport layer and the power generation layer.
Abstract: Provided is a vinyl chloride resin composition that is capable of forming a vinyl chloride resin molded product having excellent low-temperature tensile elongation. The vinyl chloride resin composition contains mixed material particles containing a vinyl chloride resin, a plasticizer, and an inorganic substance. When the concentration of the inorganic substance in an inner part of the mixed material particles is taken to be C1 and the concentration of the inorganic substance in an outer layer of the mixed material particles is taken to be C2, a ratio C1/C2 of C1 and C2 is 0.7 or more.
Abstract: Provided is a slurry composition for a non-aqueous secondary battery heat-resistant layer that has excellent dispersion stability and coatability and that can form a heat-resistant layer for a non-aqueous secondary battery having excellent heat shrinkage resistance. The slurry composition contains a water-soluble polymer, non-conductive particles, and water. The water-soluble polymer includes an amide group-containing monomer unit and an acid group-containing monomer unit, with the proportional content of the amide group-containing monomer unit being 60 mass % to 98 mass % and the proportional content of the acid group-containing monomer unit being 1 mass % to 25 mass % in the water-soluble polymer. The slurry composition has a pH of 7.0 to 10.0, a viscosity of 10 mPa·s to 300 mPa·s, and a contact angle with a polyethylene substrate of 20° to 50°.
Abstract: Provided is a non-aqueous electrochemical device having reduced direct current resistance at low temperature and excellent high-temperature storage characteristics. The electrochemical device includes a positive electrode, a negative electrode, a separator, and an electrolyte solution. The positive electrode includes a positive electrode mixed material layer containing a positive electrode active material, a conductive material, and a binder for a positive electrode. The binder for a positive electrode includes a polymer A that includes a nitrile group-containing monomer unit and an alkylene structural unit. The electrolyte solution contains a non-halogenated carbonate solvent and an ester solvent indicated by formula (I): R1—C(?O)—O—R2. In formula (I), R1 and R2 each represent, independently of each other, a chain alkyl group having a carbon number of 2 or more.
Abstract: Provided is a technique related to oxidized carbon nanotubes having excellent dispersion stability and dispersibility in water. The oxidized carbon nanotubes include oxidized single-walled carbon nanotubes, have a ratio of the oxidized single-walled carbon nanotubes relative to the total number of oxidized carbon nanotubes of more than 50%, and have a BET specific surface area of 100 m2/g or less.
Abstract: A composition for an electrochemical device functional layer contains a particulate polymer, a binder, and heat-resistant fine particles. The particulate polymer has a core-shell structure including a core portion formed of a polymer A and a shell portion formed of a polymer B that at least partially covers an outer surface of the core portion, with the polymer A and the polymer B being different from each other. The particulate polymer also has an electrolyte solution contact angle of not less than 0° and not more than 35° and a volume-average particle diameter of not less than 1.0 ?m and not more than 10.0 ?m.