Abstract: Provided is a block polyisocyanate composition comprising at least one block polyisocyanate represented by formula (I): R-(A)x(B)y. In formula (I), R is a residue obtained by removing an isocyanate group from a polyisocyanate composed of one or more polyisocyanates selected from aliphatic polyisocyanates, alicyclic polyisocyanates, and aromatic polyisocyanates and is bonded to a substituent containing A and B; A is a group of one or more keto compounds represented by formula (II) or enol isomers thereof; B is one or more constituent units represented by formula (III); and the sum of x and y is from 2.0 to 20, and x is not 0.

Abstract: A method for driving an internal combustion engine is a method for reducing nitrogen oxides in emissions of the internal combustion engine, and includes a process of introducing air, which has a low oxygen concentration and contains no emissions, into the internal combustion engine, and a process of mixing humidifying water with a hydrocarbon fuel and injecting the mixture into a combustion chamber of the internal combustion engine as an emulsion fuel.

Abstract: A catalyst composition for hydrogenation including (A) to (D), in which a mass ratio (D)/(A) is 0.01 to 2.00. (A): a titanocene compound represented by following formula (1), (wherein R5 and R6 are selected from the group consisting of hydrogen, a hydrocarbon group having 1 to 12 carbon atoms, an aryloxy group, an alkoxy group, a halogen group, and a carbonyl group, and R1 and R2 are selected from hydrogen and a hydrocarbon group having 1 to 12 carbon atoms) (B): a compound containing an element selected from Li, Na, K, Mg, Zn, Al, and Ca, (C): an unsaturated polymer having a fraction of an olefinic unsaturated double bond content of side chains based on a total olefinic unsaturated double bond content of 0.25 to 1.0, and (D): a polar compound.

Abstract: An object of the present invention is to provide a method for, when stopping an ammoxidation reaction of propane, stopping the ammoxidation reaction safely and quickly, without causing a deterioration in catalytic activity or acrylonitrile yield. The method for stopping an ammoxidation reaction includes a supply stopping step of stopping a supply of propane, an oxygen-containing gas, and ammonia to a reactor where an ammoxidation reaction of propane is being carried out using a catalyst, and a reaction stopping step of supplying an inert gas to the reactor in an amount 10 to 300 times the catalyst volume per hour until the catalyst temperature reaches 380° C. or less, wherein after the supply stopping step, a time required until the catalyst temperature decreases to 360° C. or less is within 10 hours.

Abstract: A catalyst composition for hydrogenation including (A) to (D), in which a mass ratio ((C)/(A)) is 0.1 to 4.0 and a mass ratio ((D)/(A)) is 0.01 to 1.00, (A): a titanocene compound represented by formula (1), (wherein R5 and R6 are any group selected from hydrogen, a hydrocarbon group having 1 to 12 carbon atoms, an aryloxy group, an alkoxy group, a halogen group, and a carbonyl group. R1 and R2 are any group selected from the group consisting of hydrogen and a hydrocarbon group having 1 to 12 carbon atoms, and R1 and R2 are not all hydrogen atoms or all a hydrocarbon group having 1 to 12 carbon atoms), (B): a reductant formed from a compound containing an element selected from the elements Li, Na, K, Mg, Zn, Al, and Ca, (C): an unsaturated compound having a molecular weight of 400 or less, and (D): a polar compound.

Abstract: An object of the present invention is to provide a system for recovery of electrodeposition paint wherein the loss of the electrodeposition paint is not increased, even if the number of stages of a multistage recovery and washing process with a membrane filtration filtrate is reduced in electrodeposition painting. The system for recovery of electrodeposition paint of the present invention, in which a membrane filtration filtrate of electrodeposition bath liquid is supplied to a final stage washing tank of the multistage recovery and washing process with a membrane filtration filtrate, is characterized in that a filtrate obtained by membrane filtration of the final stage washing tank liquid is supplied to the final stage washing tank and concentrated liquid is supplied to the electrodeposition bath and/or a washing tank at other than the final stage.

Abstract: The present invention is a method for producing an N-substituted carbamic acid ester derived from an organic amine from an organic amine, a carbonic acid derivative and a hydroxy composition containing one or more types of hydroxy compounds, wherein the organic amine, the carbonic acid derivative and the hydroxy composition are reacted using a urethane production reaction vessel provided with a condenser, a gas containing the hydroxy composition, the compound having the carbonyl group derived from the carbonic acid derivative, and an ammonia formed as a by-product in the reaction, is introduced into the condenser provided in the urethane production reaction vessel, and the hydroxy composition and the compound having the carbonyl group derived from the carbonic acid derivative are condensed, and wherein a stoichiometric ratio of a hydroxy compound contained in the condensed hydroxy composition to the condensed compound having the carbonyl group derived from the carbonic acid derivative is 1 or more, and a rati

Abstract: The present invention is a method for producing an N-substituted carbamic acid ester derived from an organic amine from an organic amine, a carbonic acid derivative and a hydroxy composition containing one or more types of hydroxy compounds, wherein the organic amine, the carbonic acid derivative and the hydroxy composition are reacted using a urethane production reaction vessel provided with a condenser, a gas containing the hydroxy composition, the compound having the carbonyl group derived from the carbonic acid derivative, and an ammonia formed as a by-product in the reaction, is introduced into the condenser provided in the urethane production reaction vessel, and the hydroxy composition and the compound having the carbonyl group derived from the carbonic acid derivative are condensed, and wherein a stoichiometric ratio of a hydroxy compound contained in the condensed hydroxy composition to the condensed compound having the carbonyl group derived from the carbonic acid derivative is 1 or more, and a rati

Abstract: An object of the present invention is to provide, for the production of isobutene, a high-yielding, highly-selective, and long-term stable production process of isobutene from TBA. With respect to the production of TBA, an object of the present invention is to provide a TBA production process in which, through long-term stable maintenance of a high reaction activity, long-term continuous operation is enabled and the productivity is improved. The present invention discloses a process for producing isobutene that employs a dehydration temperature of from 200 to 450° C. in use of an alumina catalyst that contains a Na content of 0.6% by weight or less in terms of NaO2 and a Na content of 0.4% by weight in terms of NaO2, and has a specific surface area of from 200 to 600 m2/g.

Abstract: There are provided a polypropylene-based resin composition having excellent impact resistance, tensile elongation at break and rigidity, a molded article thereof, and an automobile interior or exterior material using the same. The polypropylene-based resin composition contains 50 to 90% by mass of a polypropylene-based polymer (A), 5 to 50% by mass of an ethylene-?-olefin copolymer rubber (B), and 0.1 to 5% by mass of a copolymer (C) primarily comprising a vinyl aromatic monomer unit and an alkylene monomer unit, wherein a content of an ?-olefin monomer unit in all alkylene monomers is 45 mol % or more.

Abstract: An object of the present invention is to provide an isocyanate production process, which is free of the various problems found in the prior art, and which uses a composition containing a carbamic acid ester and an aromatic hydroxy compound when producing isocyanate without using phosgene, as well as a carbamic acid ester composition for transferring or storing carbamic acid ester. The present invention discloses an isocyanate production process including specific steps and using a composition containing a carbamic acid ester and an aromatic hydroxy compound, as well as a composition for transfer or storage of carbamic acid ester comprising the carbamic acid ester and the specific aromatic hydroxy compound.

Abstract: A steam stripping apparatus is provided that prevents adherence of crumbs to an inner wall of a crumbing tank, pipe blockages caused by reaggregated large particle size crumbs, clogging of a screen by small particle size crumbs, and slipping in an extruder, and which can operate over a long period of time. The crumbing tank includes a stir shaft and an impeller, and also has a baffle plate on an inner wall face. The impeller has a knife blade. The baffle plate has an approximately triangular cross-sectional shape having, on a cross section in a cylindrical lateral direction of the crumbing tank, a side face on each of an upstream side and a downstream side with respect to a flow direction of a fluid, and in which the upstream-side side face and the downstream-side side face meet to form an intersection point.

Abstract: With regard to compositions derived from active ingredients and other additives in medical, food and industrial fields, there have been problems that the active ingredients cannot be uniformly mixed, and that the active ingredients become segregated and lose uniformity as the active ingredients undergo transport, input, and filling processes. There is provided a cellulose powder which improves the uniformity of compositions containing active ingredients or other additives to prevent segregation of the active ingredients, wherein the cellulose powder contains cellulose I type crystals, has an average particle diameter of less than 30 ?m, a powder density of 0.1 to 0.45 g/cm3, a tapping density of 0.1 to 0.5 g/cm3, a repose angle of 35 to 50°, a specific surface of more than or equal to 0.1 m2/g and less than 20 m2/g, an internal friction angle of 36 to 42°, and is a cellulose powder including a secondary flocculation structure in which primary particles are flocculated.

Abstract: A cation exchange membrane includes: a membrane body containing a fluorine-based polymer having an ion-exchange group; and two or more reinforcing core materials arranged approximately in parallel within the membrane body. The membrane body is provided with two or more elution holes formed between the reinforcing core materials adjacent to each other. A distance between the reinforcing core materials adjacent to each other is represented by a, a distance between the reinforcing core materials and the elution holes adjacent to each other is represented by b, a distance between the elution holes adjacent to each other is represented by c, and the number of the elution holes formed between the reinforcing core materials adjacent to each other is represented by n. The relationship represented by the following expression (1) or expression (2) are satisfied: b>a/(n+1)??(1); c>a/(n+1)??(2).

Abstract: A porous membrane with the membrane wall constructed of a hydrophobic polymer and a hydrophilic polymer, wherein when the membrane wall is divided into 3 sections in the film thickness direction to form region “a” containing one wall surface A of the membrane wall, region “c” containing the other wall surface C and region “b” between region “a” and region “c”, the hydrophilic polymer content ratio Ca in region “a” is greater than the hydrophilic polymer content ratio Cc in region “c”, and the mean pore size of the wall surface C is larger than the mean pore size of the wall surface A.

Abstract: A thermoplastic resin composition comprising: (A) a graft copolymer obtained by grafting, onto a rubber polymer, at least one monomer selected from the group consisting of an aromatic vinyl monomer, a vinyl cyanide monomer and other copolymerizable monomers; (B) a polymer obtained by polymerizing at least one monomer selected from the group consisting of an aromatic vinyl monomer, a vinyl cyanide monomer and other copolymerizable monomers; (C) an amorphous polyester; and (D) an aromatic polycarbonate, wherein the component (C) comprises a diol component, a 2,2,4,4-tetramethyl-1,3-cyclobutanediol (TMCD) residue is contained in an amount of 10 to 70 mol % and a 1,4-cyclohexanedimethanol (CHDM) residue is contained in an amount of 30 to 90 mol %, provided that the total mol % of the diol components is regarded as 100 mol %.

Abstract: It is intended to provide a polyethylene powder which can offer a fiber excellent in resistance to end breakage, dimensional stability, and acid resistance and/or a microporous membrane excellent in dimensional stability and acid resistance, and a microporous membrane and a fiber which are obtained by forming the polyethylene powder. The present invention provides a polyethylene powder comprising: 0.5 ppm or higher and 3,000 ppm or lower of aluminum hydroxide having an average particle size smaller than 50 ?m; and 0.5 ppm or higher and 12 ppm or lower of a magnesium element, wherein the polyethylene has a viscosity-average molecular weight of 100,000 or larger.

Abstract: A silica-based material comprising: silicon; aluminum; at least one fourth period element selected from the group consisting of iron, cobalt, nickel and zinc; and at least one basic element selected from the group consisting of alkali metal elements, alkali earth metal elements and rare earth elements, wherein the silica-based material comprises 42 to 90 mol % of the silicon, 3 to 38 mol % of the aluminum, 0.5 to 20 mol % of the fourth period element and 2 to 38 mol % of the basic element, based on a total mole of the silicon, the aluminum, the fourth period element and the basic element.

Abstract: An object of the present invention is to provide an oxide catalyst that prevents the reduction degradation of the catalyst even during industrial operation for a long time and less reduces unsaturated aldehyde yields, diolefin yields, or unsaturated nitrile yields, and a method for producing the same, and methods for producing unsaturated aldehyde, diolefin, and unsaturated nitrile using the oxide catalyst. The present invention provides an oxide catalyst for use in the production of unsaturated aldehyde, diolefin, or unsaturated nitrile from olefin and/or alcohol, the oxide catalyst satisfying the following (1) to (3): (1) the oxide catalyst comprises molybdenum, bismuth, iron, cobalt, and an element A having an ion radius larger than 0.96 ? (except for potassium, cesium, and rubidium); (2) an atomic ratio a of the bismuth to 12 atoms of the molybdenum is 1?a?5, an atomic ratio b of the iron to 12 atoms of the molybdenum is 1.

Abstract: The present invention relates to a polyamide obtainable by polymerizing an (a) dicarboxylic acid comprising at least 50 mol % of an alicyclic dicarboxylic acid and a (b) diamine comprising at least 50 mol % of a diamine having a substituent branched from a main chain.