Abstract: An object of the present invention is to provide a film having excellent transparency, corrosion resistance, adhesive properties, and economic property. Another object of the present invention is to provide a rubber-containing graft polymer powder to be contained in the film. Provided is a film comprising: a resin composition comprising polyvinyl acetal and a rubber-containing graft polymer powder having a refractive index of 1.469 to 1.519; 0 to 100 ppm of calcium ions; and 1 to 1100 ppm of alkali metal ions and alkali earth metal ions in total.

Abstract: A water filter cartridge is reduced in fluctuation in filtration flow rate or in filtration performance due to activated carbon, and can exhibit stable performance even at the time of large scale production; and a water purifier is equipped with the water filter cartridge. A water filter cartridge having particulate activated carbon filled in a case for accommodating a filtering material in which the ratio of the total mass of particulate activated carbon having a particle size of 0.3 to 4.0 mm relative to the total mass of activated carbon is 97% by mass or more, and, in a particle size distribution which represents the relationship of the mass ratio of activated carbon relative to the particle size of activated carbon, a peak at which the mass ratio is 31% by mass or more does not appear in a particle size range of from 0.3 to 4.0 mm.

Abstract: This graft copolymer is obtainable by polymerization of a vinyl-based monomer mixture (m1) including an aromatic vinyl compound and a vinyl cyanide compound, in the presence of: an ethylene.?-olefin copolymer (A) which has a mass average molecular weight (Mw) of 17×104 to 35×104 and a distribution of molecular weight (Mw/Mn) of 1 to 3; or a cross-linked ethylene.?-olefin copolymer (C) obtainable by cross-linking treatment of the ethylene.?-olefin copolymer (A).

Abstract: Disclosed is a method for manufacturing a composite porous film having a stable film quality and a desired hollow shape by controlling the entrance of a film-forming resin solution into a hollow part of a hollow reinforcement support. The method is provided with a step of adhering a film-forming resin solution to the outer peripheral surface of the hollow reinforcement support and thereby forming a film intermediate, a step of adhering a coagulating liquid to the outer peripheral surface of the film intermediate, and a step of flowing the coagulating liquid along the outer peripheral surface of the film intermediate so that at least a part of the outermost interface of the coagulating liquid in the circumferential direction is a free surface and thereby coagulating the film-forming resin solution adhering to the outer peripheral surface of the hollow reinforcement support.

Abstract: A tow prepreg, made by impregnating a reinforcing fiber bundle with a matrix resin composition that comprises component (A): epoxy resin, component (B): epoxy resin curing agent, and component (C?): pre-gelatinizing agent with a minimum viscosity temperature of 110° C. or lower, wherein, the temperature of minimum viscosity is determined to be the temperature obtained at the minimum viscosity that appears on the highest temperature side when a sample is prepared by adding and dispersing homogeneously 10 parts by mass of the component (C?) to 100 parts by mass of bisphenol-A epoxy resin with an epoxy equivalent weight of 190±6 g/eq, and by dissolving 10 parts by mass of a boron trichloride-octylamine complex into the mixture, and when the viscosity of the sample is measured by increasing the temperature at a rate of 2° C./min.

Abstract: An active energy ray curable resin composition comprising: urethane poly(meth)acrylate (A) synthesized from a raw material including a polyisocyanate and a hydroxy group-containing (meth)acrylate; (meth)acrylate (B) having five or more functional groups; a photopolymerization initiator (C1) having an absorption coefficient per unit weight of 50000 ml/g·cm or more when measured in methanol at 254 nm; a photopolymerization initiator (C2) other than the (C1) having an absorption coefficient per unit weight of 50000 ml/g·cm or more when measured in methanol at 302 nm; a photopolymerization initiator (C3) other than the (C1) and the (C2) having an absorption coefficient per unit weight of 100 ml/g·cm or more when measured in methanol at 405 nm; and an ultraviolet absorbing agent (D).

Abstract: Provided is a method for producing isobutylene with a high selectivity by a dehydration reaction of isobutanol. There are provided a method for producing isobutylene by dehydration of isobutanol, in which the dehydration of isobutanol is performed in a state where at least one of an organic acid and an organic acid ester is present in a reaction system, and methods for producing methacrylic acid and methyl methacrylate from the obtained isobutylene.

Abstract: The present invention addresses the issue of providing an acrylic resin composition having high weather resistance, flexibility, heat resistance, transparency, and stress-whitening resistance. This issue is solved by an acrylic resin composition containing a rubber-containing multi-stage polymer (I) containing at least 30% by mass of an elastic polymer (A).

Abstract: Provided is a porous electrode substrate having excellent thickness precision, gas permeability and conductivity, handling efficiency, low production costs and a high carbonization rate during carbonization. Also provided are a method for manufacturing such a substrate, a precursor sheet and fibrillar fiber used for forming such a substrate, along with a membrane electrode assembly and a polymer electrolyte fuel cell that contain such a substrate. The method for manufacturing a porous electrode substrate includes step (1) for manufacturing a precursor sheet in which short carbon fibers (A) and carbon fiber precursor (b) are dispersed, and step (2) for carbonizing the precursor sheet, and the volume contraction rate of carbon fiber precursor (b) in step (2) is 83% or lower.

Abstract: Provided are an acrylic resin composition, an acrylic resin sheet, and an acrylic resin laminate that exhibit superior transparency and impact resistance. The acrylic resin composition contains 100 parts by mass of an acrylic polymer (A) having 50 to 100% by mass of a methyl methacrylate unit and 0.002 to 0.7 parts by mass of an olefin-alkyl (meth)acrylate copolymer (B). The copolymer (B) is preferably an ethylene-alkyl acrylate copolymer (B-2). The acrylic resin sheet contains this acrylic resin composition. The acrylic resin sheet has a haze value of 0.5% or less based on JIS K 7136, a 50% impact-puncture height of at least 350 mm or more in a falling ball test based on JIS K 7211 under the described conditions, and a sheet thickness of 2 mm or less. The acrylic resin laminate has a cured layer laminated on at least one surface of the acrylic resin sheet.

Abstract: A solid electrolytic capacitor, including: a solid electrolytic layer; and a dielectric layer on which the solid electrolytic layer is formed. The solid electrolytic layer is formed by applying and drying a conductive-polymer solution including a conductive polymer on the dielectric layer, and the dielectric layer is formed by oxidizing a surface of an anode metal. The conductive polymer has a volume average particle size of smaller than 26 nm. A stacked aluminum electrolytic capacitor including a test solid electrolytic layer and a test dielectric layer, the test solid electrolytic layer being formed by applying and drying the conductive-polymer solution on the test dielectric layer, the test dielectric layer being formed by oxidizing a surface of aluminum having an electrical capacitance of 95 ?F/cm2, has a rate of exhibited capacitance of no less than 70%.

Abstract: Provided is a technique which can easily realize the retention time of the reaction mixture in the reactor suitable for the production quantity by controlling the amount of the reaction liquid in accordance with the production quantity and thus can suppress the amount of a biocatalyst used in a method for producing acrylamide from acrylonitrile by using a biocatalyst. Provided is a method for producing acrylamide from acrylonitrile through a continuous reaction using a biocatalyst in reactors by using two or more reactors connected in series, wherein one reactor A and a reactor B connected to the reactor A on an upstream side are communicated with each other below liquid faces of reaction liquids in both reactors, and the producing method comprises controlling a liquid volume of a reaction liquid in the reactor B by controlling a level of a reaction liquid in the reactor A to be between a disposed position of a communicating port with the reactor B and a full level position.

Abstract: A resin composition which contains from 5% by mass to 65% by mass (inclusive) of a polymer (X) described below and from 35% by mass to 95% by mass (inclusive) of a polymer (Y) described below. Alternatively, a resin composition which contains more than 65% by mass but 85% by mass or less of a polymer (X) described below and 15% by mass or more but less than 35% by mass of a polymer (Y) described below, wherein a domain (y1) described below or a domain (y2) described below comprises a macromonomer unit.

Abstract: Provided is a production method whereby corresponding carboxylic acid anhydrides and carboxylic acid esters can be obtained at high yield from various carboxylic acids even without a solvent and near room temperature. A method for producing a carboxylic acid anhydride represented by formula (II), the method comprising reacting a compound represented by formula (I) and a carboxylic acid in the presence of a Group II metal compound having an ionic ligand containing an oxygen atom. A method for producing a carboxylic acid ester, the method comprising reacting a carboxylic acid anhydride produced by the aforementioned method and an alcohol. In formula (I), R1 represents a C1-20 hydrocarbon group. In formula (II), R2 represents a C1-20 hydrocarbon group.

Abstract: A polymer composition containing a polymer (B) obtained by polymerizing a monomer composition containing: a methacrylic acid ester macromonomer (b1) represented by the following formula (1); and another monomer (b2). Also, a porous membrane formed from a membrane forming polymer (A) and the aforementioned polymer composition.

Abstract: This method for producing anodic porous alumina such that an oxide coating film having a plurality of minute pores is formed at the surface of an aluminum substrate is characterized by containing: a step (a) for immersing the aluminum substrate in an electrolytic liquid resulting from mixing a plurality of acids; a step (b) for imposing a voltage on the aluminum substrate immersed in the electrolytic liquid; a step (c) for holding the aluminum substrate in the state of being immersed in the electrolytic liquid essentially without imposing a voltage on the aluminum substrate; and a step (d) for alternately repeating step (b) and step (c). By means of the present invention, it is possible using a simple device and with few steps to provide a method that easily produces anodic porous alumina such that an oxide coating film having a plurality of minute pores is formed at the surface of an aluminum substrate.

Abstract: This vinyl polymer powder, which contains a vinyl polymer, has a glass transition temperature of at least 0° C. (where if there are a plurality of glass transition points, all of the glass transition temperatures are at least 0° C.), has no greater than 350 ppm of the total content of magnesium ions, calcium ions, aluminum ions, barium ions, and zinc ions, has no greater than 100 ppm of the content of ammonium ions, has an acid number of no greater than 2.5 mgKOH/g, and has a bulk density of 0.10-0.60 g/cm3.

Abstract: The purpose of the present invention is to provide a method that can produce, with high yield or high selectivity isobutylene by means of isobutanol dehydration-reaction. An isobutylene production method of a first embodiment of the present invention is a method for producing isobutylene by means of isobutanol dehydration-reaction, wherein isobutanol is reacted using a catalyst for which the BET specific surface area is within the range of 60 m2/g-175 m2/g, and the reaction is carried out under a reaction pressure of 50 kPa-750 kPa as the absolute pressure. An isobutylene production method of a second embodiment of the present invention includes: using a catalyst which is filled into a reaction chamber and for which the particle diameters of at least 90 mass % of the catalyst are within the range of 700 ?m-1000 ?m; setting the isobutanol concentration within a supplied reaction gas to 30 vol %-85 vol %; setting the weight hourly velocity (WHSV) of the isobutanol to 0.

Abstract: Provided is a method capable of efficiently manufacturing (meth)acrylic acid esters and aromatic carboxylic acid esters. This (meth)acrylic acid ester manufacturing method reacts a (meth)acrylic anhydride with a carbonate compound. For this aromatic carboxylic acid ester manufacturing method, which reacts a carboxylic anhydride with an aromatic carbonate in the presence of a catalyst, the catalyst is at least one kind selected from a set consisting of basic nitrogen-containing organic compounds, Group 1 metal compounds, and Group 2 metal compounds.

Abstract: The present invention relates to an epoxy-resin composition comprising the following components (A), (B), (C) and (D), a film made of the epoxy resin composition, a prepreg and a fiber-reinforced plastic. The present invention can provide an epoxy-resin composition that cures at a low temperature in a short period of time. Also, the present invention can provide a fiber-reinforced plastic having excellent mechanical characteristics, especially excellent fracture toughness and heat tolerance, is made from the epoxy-resin composition. component (A): an epoxy resin having a monomer unit represented by formula (1) in the molecule; component (B): a bifunctional epoxy resin with a number-average molecular weight of at least 600 but no greater than 1300, which does not have a monomer unit represented by formula (1) below in the molecule; component (C): a triblock copolymer; and component (D): a curing agent.