Abstract: Magnesium hydroxide fine particles having a nano-order particle size, a low carbon content, high whiteness and high transparency and a production process therefor. The magnesium hydroxide fine particles have an average secondary particle diameter measured by frequency analysis of 1 to 100 nm and a carbon content of less than 0.9 wt %.

Abstract: A tablet which comprises solid particles, especially magnesium oxide particles as the main component and has excellent shape retentivity with extremely low susceptibility to wearing and chipping. The tablet has a domed shape on each of the upper and lower horizontal surfaces of a cylindrical plate shape, wherein the domed shape on each of the upper and lower horizontal surfaces satisfies the following requirements (a), (b) and (c) in the cross-sectional shape including the center line of the cylindrical plate shape: (a) each corner has an angle of 25 to 45°, (b) each corner has a horizontal length of 0.30 to 1.0 mm, and (c) the cup has a depth of 0.6 to 1.2 mm.

Abstract: An aluminum hydroxide gel particle having high purity and extremely high acid reactivity and a production method thereof. The aluminum hydroxide gel particle has an iron (Fe) content of 1 to 10 ppm.

Abstract: There are provided calcium hydroxide having a large specific surface area, a resin composition comprising the calcium hydroxide and having excellent thermal stability, and a molded article and a stabilizer for synthetic resins which comprise the calcium hydroxide. There are provided a calcium hydroxide compound represented by the following formula (1): Ca(OH)2-nx(An?)x??(1) (wherein n represents an integer of 1 to 4, x represents a number of 0.001 to 0.2, and An? represents an anion derived from at least one compound selected from the group consisting of a silicon-based compound, a phosphorus-based compound, an aluminum-based compound, an inorganic acid and an organic acid.), and a synthetic resin, a molded article and a stabilizer for synthetic resins which comprise the compound.

Abstract: A composite flame retardant which exhibits excellent flame retardancy and high dispersibility in a resin and rarely experiences the deterioration of mechanical strength, and a resin composition comprising the composite flame retardant. The composite flame retardant contains (i) 100 parts by weight of magnesium hydroxide particles (A) having an average thickness of 10 to 100 nm, an average width of 2.4 ?m or more and an average aspect ratio of 20 to 120 and (ii) 100 to 900 parts by weight of magnesium hydroxide particles (B) having an average width of 1 ?m or less and an average aspect ratio of less than 20.

Abstract: A noodle product having a high magnesium content. The noodle product is produced by mixing concentrated bittern with wheat flour. That is, the noodle product of the present invention contains concentrated bittern, thereby providing a noodle product as a food with nutrient function claims which replenishes Mg as an essential mineral, does not induce high blood pressure and alleviates the morning sickness of a pregnant woman.

Abstract: The present invention relates to a novel binder having high bondability and fluidity. The binder of the present invention has a BET specific surface area of 80 to 400 m2/g and is composed of carbonate-containing magnesium hydroxide particles represented by the following Formula (1): Mg(OH)2-x(CO3)0.5x.mH2O??(1) wherein, x and m satisfy the following requirements: 0.02?x?0.7, and 0?m?1. Even if the binder of the present invention is prescribed together with a disintegrant or a water-soluble excipient, the binder can improve the tablet hardness without elongating the disintegration time of the tablet and can be applied to direct compression.

Abstract: [Problem] Provided are a combined product comprising an edible-oil purifying agent and a container, and a purification method of edible oil using the same. [Solution] The combined product comprises the edible-oil purifying agent and the container for enclosing the edible-oil purifying agent, the container including a non-woven fabric bag and a stainless steel casing, which accommodates the at least one bag, which has many pores, and which is provided with a stainless steel handle. The combined product is used by being placed into and taken out from the edible oil in an oil bath. In use, the enclosed edible-oil purifying agent is contacted with the heated edible oil in the oil bath.

Abstract: An aluminum hydroxide gel particle having high purity and extremely high acid reactivity and a production method thereof. The aluminum hydroxide gel particle has an iron (Fe) content of 1 to 10 ppm.

Abstract: Magnesium hydroxide having a high aspect ratio, a production method thereof and a resin composition comprising the same. The method of producing the magnesium hydroxide having a long diameter (width) of not less than 0.5 pm and aspect ratio of not less than 10, comprising the steps of: (A) adding an alkali to and coprecipitating it with a mixed aqueous solution of a water-soluble magnesium salt and a monovalent organic acid or a salt thereof, or (B) adding an alkali aqueous solution to and coprecipitating it with an aqueous solution of a water-soluble magnesium salt and adding a monovalent organic acid or a salt thereof to the resulting product; and (C) hydrothermally treating the obtained slurry at 100° C. or higher.

Abstract: An aluminum hydroxide gel particle having high purity and extremely high acid reactivity and a production method thereof. The aluminum hydroxide gel particle has an iron (Fe) content of 1 to 10 ppm.

Abstract: An antibacterial agent composed of silver-containing aluminum sulfate hydroxide particles represented by the following formula (X-I) or (Y-I). (AgaBb-a)bAlcAx(SO4)y(OH)z.pH2O??(X-I) [AgaBb-a]b[Ti3-cAlc](SO4)y(OH)z.pH2O??(Y-I) The above antibacterial agent of the present invention provides antibacterial molded articles and further antifungal agents, cosmetics, antibacterial paper, antibacterial deodorizing sprays and agricultural chemicals when it is mixed with a resin.

Abstract: The present invention relates to a filler for inhibiting foaming caused due to CO2, which comprises hydrotalcite compound particles and calcium hydroxide particles and/or magnesium hydroxide particles, the use of the filler in a synthetic resin, and a shaped article formed therefrom, more particularly to a filler for inhibiting foaming, which is obtained by incorporating, into hydrotalcite compound particles represented by the following chemical structural formula (1): [(Mg2+)y(M12+)(1-y)]1-xM3+x(OH)2CO32?.mH2O??(Formula 1) (wherein M12+ represents a bivalent metal, M3+ represents at least one trivalent metal, and x, y, and m represent valences satisfying the relationships: 0<x<0.

Abstract: An agent for treating ulcer containing, as an effective component, a particulate composite hydrotalcite obtained by solidly dissolving a small amount of zinc in the particulate hydrotalcite, exhibiting excellent effect for treating the peptic ulcer and, further, working as a Zn-supplying agent. The agent for treating the ulcer is represented by the following formula (1), (MgaZnb)1-xAlx(OH)2(An?)x/n.mH2O??(1) wherein An? is CO32?, SO42? or Cl?, n is 1 or 2, and x, a, b and m are values that satisfy the following conditions, 0.18?x?0.4, 0.1?a<1, 0<b?0.5, 0?m<1.

Abstract: A novel particulate composite hydrotalcite which offers antacidic effect comparable to that of a particulate hydrotalcite so far used as a gastric antacid and, further, offers excellent stomach inner wall protection effect. A particulate composite hydrotalcite represented by the following formula (1), (MgaZnb)1-xAlx(OH)2(An?)x/n.mH2O??(1) wherein An? is CO32?, SO42? or Cl?, n is 1 or 2, and x, a, b and m are values that satisfy the following conditions, 0.18?x?0.4, 0.5?a<1, 0<b?0.5, 0?m<1, and a gastric antacid using the particulate composite hydrotalcite as an effective component. When used as a gastric antacid, the particulate composite hydrotalcite suppresses the occurrence of damage in the mucous membranes of stomach and intestines.

Abstract: The object of this invention is to provide columnar zinc oxide particles that are free from breaking or collapsing of a form when they are incorporated into, and mixed with, a resin and that can impart sufficient thermal conductivity or electrical conductivity. This invention provides zinc oxide particles represented by the following formula (1), ZnMn+xO1+nx/2-aH2O??(1) wherein Mn+ is a trivalent or tetravalent metal, x and “a” satisfy 0.002<x<0.05 and 0.05?a<0.5, respectively, and having a columnar particle content of 80% or more.

Abstract: Alunite type compound particles represented by the following general formula (I) and having a specific value of D75/D25 when D25 is the particle diameter of particles which account for 25% of the total and D75 is the particle diameter of particles which account for 75% of the total in the cumulative particle size distribution curve measured by a laser diffraction method: Ma[Al1-xM?x]3(SO42?)y(OH)z.mH2O??(I) wherein M is at least one cation selected from the group consisting of Na+, K+, NH4+ and H3O+, M? is at least one cation selected from the group consisting of Cu2+, Zn2+, Ni2+, Sn4+, Zr4+ and Ti4+, and a, m, x, y and z satisfy 0.8?a?1.35, 0?m?5, 0?x?0.4, 1.7?y?2.5, and 4?z?7, respectively. The above particles of the present invention have a small average particle diameter, are spherical, disk-like or hexagonal and have an extremely narrow particle size distribution.

Abstract: There are provided organic acid anion containing aluminum salt hydroxide particles represented by the following general formula (I): Ma[Al1-xM?x]bAzBy(OH)n.mH2O??(I) (wherein M is at least one cation selected from the group consisting of Na+, K+, NH4+ and H3O+, M? is at least one metal cation selected from the group consisting of Cu2+, Zn2+, Ni2+, Sn4+, Zr4+, Fe2+, Fe3+ and Ti4+, A is at least one organic acid anion, B is at least one inorganic acid anion, and a, b, m, n, x, y and z satisfy 0.7?a?1.35, 2.7?b?3.3, 0?m?5, 4?n?7, 0?x?0.6, 1.7?y?2.4, and 0.001?z?0.5, respectively.) The particles are in the shape of grains, pairs, rectangular parallelepiped, disks (go stones), hexagonal plates, rice grains or cylinders and have a uniform particle diameter.

Abstract: A novel particulate composite hydrotalcite which offers antacidic effect comparable to that of a particulate hydrotalcite so far used as a gastric antacid and, further, offers excellent stomach inner wall protection effect. A particulate composite hydrotalcite represented by the following formula (1), (MgaZnb)1-xAlx(OH)2(An?)x/n·mH2O??(1) wherein An? is CO32?, SO42? or Cl?, n is 1 or 2, and x, a, b and m are values that satisfy the following conditions, 0.18?x?0.4, 0.5?a<1, 0<b?0.5, 0?m?1, and a gastric antacid using the particulate composite hydrotalcite as an effective component. When used as a gastric antacid, the particulate composite hydrotalcite suppresses the occurrence of damage in the mucous membranes of stomach and intestines.

Abstract: A process for purifying a crude polyether, comprising contacting a crude polyether obtained by addition polymerizing an active hydrogen-containing compound with an alkylene oxide compound in the presence of an alkali metal-containing basic catalyst to an adsorbent comprising a synthesized hydrous magnesium silicate compound which satisfies the following requirements (1) to (5) in order to reduce the alkali metal content of the crude polyether: (1) it is represented by the following formula I: (CaO)x.(MgO)y.(Al2O3)z.SiO2.mH2OI wherein x, y, z and m satisfy the following ranges: x<y, z<y, 0?x?0.1, 0.6?y?0.6, 0?z?0.1 and 0.1?m?1.5, (2) it is amorphous according to the analysis of its powder method X-ray diffraction diagram, (3) it has a BET specific surface area of 100 to 400 m2/g, (4) it has an alkali metal content of 0.1 wt % or less, and (5) it has an average particle diameter of 2 to 60 ?m.