Abstract: An ion trapping agent which is a layered phosphate compound that includes a proton as an ion exchange group, that supports lithium ions in excess of a theoretical exchange capacity of the layered phosphate compound, and that has no water of crystallization; and a separator for a lithium ion battery or a lithium ion secondary battery containing the ion trapping agent.

Abstract: An ion trapping agent which is a layered phosphate compound that includes a proton as an ion exchange group, that supports lithium ions in excess of a theoretical exchange capacity of the layered phosphate compound, and that has no water of crystallization; and a separator for a lithium ion battery or a lithium ion secondary battery containing the ion trapping agent.

Abstract: The invention provides an ion-trapping agent for a lithium-ion rechargeable battery, which traps impurity metal ions generated from constituent parts of a lithium-ion rechargeable battery with high selectivity, has high adsorption capacity per unit mass, suppresses the occurrence of short circuit derived from impurities, and renders a liquid neutral such that the lithium-ion rechargeable battery is unlikely to influence an electrolyte solution, thereby imparting a long-life lithium-ion rechargeable battery.

Abstract: The amorphous inorganic anion exchanger of the present invention is represented by Formula (1) and has an average primary particle size observed with an electron microscope of at least 1 nm but no greater than 500 nm and an NO3 content of no greater than 1 wt % of the whole: BiO(OH)??Formula (1).

Abstract: A filler that can suppress thermal expansion of a glass composition with a small amount thereof added and is also excellent in terms of flowability when the glass composition is melted, and a glass composition containing the filler are provided. There is also provided a process for producing a hexagonal phosphate-based compound that can be suitably used as the filler using a simple, industrially advantageous method. The filler of the present invention contains a hexagonal phosphate-based compound that has a purity of 90% or higher and is represented by the following Formula 1, the filler having a content of an ionic compound that is no greater than 1.0 wt %, KaZrb(PO4)3??(1) wherein, in Formula 1, a is a positive number of from 0.8 to 1.2 and b is a positive number satisfying a+4b=9.

Abstract: An inorganic ion adsorbent represents by Formula (1) below, wherein in powder X-ray diffraction measurement using CuK? radiation, the diffraction intensity of tetragonal tin oxide is at least 3% relative to the diffraction intensity of antimony pentoxide (Sb2O5·2H2O), and the diffraction intensity of cubic antimony pentoxide is no greater than 40% relative to the diffraction intensity of antimony pentoxide (Sb2O5·2H2O), SnO2·aSb2O5·nH2O??(1) wherein in the Formula, a denotes a number that satisfies 0.2?a?4 and n denotes hydration number and is 0 or a positive number.

Abstract: A filler that can suppress thermal expansion of a glass composition with a small amount thereof added and is also excellent in terms of flowability when the glass composition is melted, and a glass composition containing the filler are provided. There is also provided a process for producing a hexagonal phosphate-based compound that can be suitably used as the filler using a simple, industrially advantageous method. The filler of the present invention contains a hexagonal phosphate-based compound that has a purity of 90% or higher and is represented by the following Formula 1, the filler having a content of an ionic compound that is no greater than 1.0 wt %, KaZrb(PO4)3 ??(1) wherein, in Formula 1, a is a positive number of from 0.8 to 1.2 and b is a positive number satisfying a+4b=9.

Abstract: An inorganic ion adsorbent represents by Formula (1) below, wherein in powder X-ray diffraction measurement using CuK? radiation, the diffraction intensity of tetragonal tin oxide is at least 3% relative to the diffraction intensity of antimony pentoxide (Sb2O5.2H2O), and the diffraction intensity of cubic antimony pentoxide is no greater than 40% relative to the diffraction intensity of antimony pentoxide (Sb2O5.2H2O), SnO2.aSb2O5.nH2O??(1) wherein in the Formula, a denotes a number that satisfies 0.2?a?4 and n denotes hydration number and is 0 or a positive number.

Abstract: The object is to provide an amorphous inorganic anion exchanger having excellent anion exchangeability and suppressed corrosivity toward metals and to provide a production process that can produce an amorphous bismuth compound having excellent anion exchangeability and suppressed corrosivity toward metals. The amorphous inorganic anion exchanger of the present invention is represented by Formula (1) and has an average primary particle size observed with an electron microscope of at least 1 nm but no greater than 500 nm and an NO3 content of no greater than 1 wt % of the whole. The process for producing an amorphous bismuth compound of the present invention includes a precipitate formation step of forming a precipitate by subjecting an acidic aqueous solution containing trivalent Bi ions to a temperature in the range of higher than 0° C. but less than 20° C.

Abstract: The filler of the present invention is characterized by comprising hexagonal phosphate particles represented by formula (1) and having a median diameter of 0.05 ?m or more and 10 ?m or less based on the volume as measured by a laser diffraction particle size analyzer. The method for producing a hexagonal phosphate of the present invention is characterized by comprising the steps of: mixing a tetravalent laminar metal phosphate, a compound of at least one divalent metal selected from the group consisting of alkaline earth metals, Zn, Cu, Ni and Mn, and an m-valent metal compound to obtain a mixture; and calcinating the mixture to obtain a hexagonal phosphate represented by formula (1). AxByCz(PO4)3.

Abstract: Disclosed is a pest repellent that has excellent heat resistance and solvent resistance, that can be kneaded into a resin molded article or a synthetic fiber, and that has excellent durability and persistence for which a pest repellent effect is sustained for a long period even when it is used for a long period or washed. A durable pest repellent that has both high heat resistance and persistence has been accomplished by supporting on a specific layered silicate a pest repellent chemical containing as an essential component at least one selected from N,N-diethyl-m-toluamide, 1-piperidinecarboxylic acid-2-(2-hydroxyethyl)-1-methylpropyl ester, and N,N-diethyl-m-toluamide and 1-piperidinecarboxylic acid-2-(2-hydroxyethyl)-1-methylpropyl ester.

Abstract: A spherical hydrotalcite compound of the present invention is represented by Formula (1) below, having a hydrotalcite compound peak in a powder X-ray diffraction pattern, having a specific surface area of at least 30 m2/g but no greater than 200 m2/g measured by a BET method, and having a secondary particle size median diameter of at least 0.5 ?m but no greater than 6 ?m on a volume basis measured using a laser diffraction type particle size distribution analyzer. (MgxZn1-x)aAlb(OH)c(CO3)d.nH2O??(1) In Formula (1), a, b, c, and d are positive numbers, 0.5?x?1, 2a+3b?c?2d=0, and n denotes hydration number and is 0 or a positive number.

Abstract: Disclosed is a pest repellent that has excellent heat resistance and solvent resistance, that can be kneaded into a resin molded article or a synthetic fiber, and that has excellent durability and persistence for which a pest repellent effect is sustained for a long period even when it is used for a long period or washed. A durable pest repellent that has both high heat resistance and persistence has been accomplished by supporting on a specific layered silicate a pest repellent chemical containing as an essential component at least one selected from N,N-diethyl-m-toluamide, 1-piperidinecarboxylic acid-2-(2-hydroxyethyl)-1-methylpropyl ester, and N,N-diethyl-m-toluamide and 1-piperidinecarboxylic acid-2-(2-hydroxyethyl)-1-methylpropyl ester.

Abstract: The present invention provides a crystalline layered zirconium phosphate, which is an ion exchanger particle excellent in heat resistance and chemical resistance, and utilizable as an impurity ion trapping agent for electronic materials, a raw material for antibacterials, a deodorant, a discoloration inhibitor, a rust preventive and the like, and which is also excellent in various processabilities. As a result of exhaustive studies to solve the problems, the present inventor has found a novel layered zirconium phosphate represented by the general formula (1) shown below: Zr1-xHfxHa(PO4)b.nH2O??(1) wherein a and b are positive numbers satisfying 3b?a=4; b is a number satisfying 2<b?2.3; x is a positive number satisfying 0?x<1; and n is a positive number satisfying 0?n?2, and thus has achieved the present invention.

Abstract: A bismuth compound, useful as an inorganic anion exchanger used for an encapsulating material for, e.g., semiconductors, has a peak intensity of 900 to 2000 cps at 2?=27.9° to 28.1° and a peak intensity of 100 to 800 cps at 2?=8.45° to 8.55° in a powder X-ray diffraction pattern, and is represented by the following formula (1): Bi(OH)x(NO3)y.nH2O??(1) wherein x is a positive number not less than 2.5 and less than 3, y is a positive number not more than 0.5, x+y=3, and n is 0 or a positive number.

Abstract: The present invention is to provide a silver-based inorganic antimicrobial agent that has excellent heat resistance and chemical resistance, that gives little resin coloration, and that has excellent processability. It has been found that the object can be attained by a silver ion-containing zirconium phosphate represented by Formula (1) below by limiting the production conditions to wet synthesis, and the present invention has thus been accomplished. Aga MbZrc(PO4)3.nH2O??(1) In Formula (1), M is at least one type of ion selected from an alkali metal ion, a hydrogen ion, and an ammonium ion, a, b, and c are positive numbers and satisfy 1.5?c?2 and a+b+4c=9, and n is no greater than 2.

Abstract: The present invention is a novel hydrotalcite compound that is environmentally friendly and exhibits an excellent metal corrosion inhibiting effect by the addition of a small amount thereof, and an inorganic ion scavenger employing same; the hydrotalcite compound is represented by Formula (1), has a hydrotalcite compound peak in the powder X-ray diffraction pattern, the peak intensity at 2?=11.4° to 11.7° being at least 3,500 cps, and has a BET specific surface area of greater than 30 m2/g. MgaAlb(OH)c(CO3)d·nH2O??(1) In Formula (1), a, b, c, and d are positive numbers and satisfy 2a+3b?c?2d=0. Furthermore, n denotes hydration number and is 0 or a positive number.

Abstract: A bismuth compound, useful as an inorganic anion exchanger used for an encapsulating material for, e.g., semiconductors, has a peak intensity of 900 to 2000 cps at 2?=27.9° to 28.1° and a peak intensity of 100 to 800 cps at 2?=8.45° to 8.55° in a powder X-ray diffraction pattern, and is represented by the following formula (1): Bi(OH)x(NO3)y.nH2O??(1) wherein x is a positive number not less than 2.5 and less than 3, y is a positive number not more than 0.5, x+y=3, and n is 0 or a positive number.

Abstract: The present invention provides a crystalline layered zirconium phosphate, which is an ion exchanger particle excellent in heat resistance and chemical resistance, and utilizable as an impurity ion trapping agent for electronic materials, a raw material for antibacterials, a deodorant, a discoloration inhibitor, a rust preventive and the like, and which is also excellent in various processabilities. As a result of exhaustive studies to solve the problems, the present inventor has found a novel layered zirconium phosphate represented by the general formula (1) shown below: Zr1-xHfxHa(PO4)b.nH2O??(1) wherein a and b are positive numbers satisfying 3b?a=4; b is a number satisfying 2<b?2.3; x is a positive number satisfying 0?x<1; and n is a positive number satisfying 0?n?2, and thus has achieved the present invention.