Abstract: A method produces polyamide fine particles by polymerizing a polyamide monomer (A) in the presence of a polymer (B) at a temperature equal to or higher than the crystallization temperature of a polyamide to be obtained, wherein the polyamide monomer (A) and the polymer (B) are homogeneously dissolved at the start of polymerization, and polyamide fine particles are precipitated after the polymerization. Polyamide fine particles have a number average particle size of 0.1 to 100 ?m, a sphericity of 90 or more, a particle size distribution index of 3.0 or less, a linseed oil absorption of 100 mL/100 g or less, and a crystallization temperature of 150° C. or more.

Abstract: Disclosed herein is a composite magnetic powder that includes an iron-containing magnetic powder and an insulating layer comprising a silicon oxide formed on a surface of the iron-containing magnetic powder. The insulating layer contains pores, and an area ratio of the pores in a cross section of the insulating layer is 5% or less.

Abstract: A composite nanomaterial of ZnO impregnated by, e.g., a green copper phthalocyanine compound (CuPc) can be an efficient solar light photocatalyst for water remediation. The composite may include hollow shell microspheres and hollow nanospheres of CuPc-ZnO. CuPc may function as a templating and/or structure modifying agent, e.g., for forming hollow microspheres and/or nanospheres of ZnO particles. The composite can photocatalyze the degradation of organic pollutants such as crystal violet (CV) and 2,4-dichlorophenoxyacetic acid as well as microbes in water under solar light irradiation. The ZnO—CuPc composite can be stable and recyclable under solar irradiation.

Abstract: A composite nanomaterial of ZnO impregnated by, e.g., a green copper phthalocyanine compound (CuPc) can be an efficient solar light photocatalyst for water remediation. The composite may include hollow shell microspheres and hollow nanospheres of CuPc-ZnO. CuPc may function as a templating and/or structure modifying agent, e.g., for forming hollow microspheres and/or nanospheres of ZnO particles. The composite can photocatalyze the degradation of organic pollutants such as crystal violet (CV) and 2,4-dichlorophenoxyacetic acid as well as microbes in water under solar light irradiation. The ZnO—CuPc composite can be stable and recyclable under solar irradiation.

Abstract: Provided is a boron nitride agglomerate. The boron nitride agglomerate is of a multi-stage structure formed by arranging flaky hexagonal boron nitride primary particles in three-dimensional directions through adhesion of an inorganic binder. Further provided is a method for preparing the boron nitride agglomerate. The method comprises: mixing flaky hexagonal boron nitride primary particles with an inorganic binder, and controlling the mass of the inorganic binder to account for 0.02-20% of the mass of the flaky hexagonal boron nitride primary particles, so as to obtain the boron nitride agglomerate. The boron nitride agglomerate provided can be added to thermosetting resin compositions, and resin sheets, resin composite metal foil, prepregs, laminates, metal foil-covered laminates, and printed wiring boards prepared using the same have higher boron nitride addition, high thermal conductivity, and high peel strength.

Abstract: The present invention relates to a method for producing a magnetic powder, including: preparing a precursor solution containing an iron precursor and a silica precursor; spraying the precursor solution to form iron/silica precursor droplets; drying the iron/silica precursor droplets to produce iron/silica precursor particles; and heat treating the iron/silica precursor particles to produce an iron oxide/silica composite powder in which iron oxide particles are embedded in a silica matrix. The present invention also relates to a magnetic powder produced by the method. The present invention may provide an iron oxide magnetic powder that does not use rare earth elements and a method for producing the same.

Abstract: A dispersion liquid of the present invention includes: a carbon nanohorn aggregate obtained by aggregating a plurality of single-walled carbon nanohorns in a fibrous form; and a solvent.

Abstract: The present disclosure generally relates to compositions comprising substrate-free crystalline 2D bismuthene, and the method of making and using the substrate-free crystalline 2D bismuthene.

Abstract: The present disclosure provides a coated iron particle, or reaction product of a coating and the iron particle, comprising an iron particle and a ceramic coating disposed on the iron particle. Aspects of the present disclosure provide a coated iron particle, or reaction product of a coating and the iron particle, including an iron particle having a diameter of from about 0.5 micron to about 100 microns; and a ceramic coating disposed on the iron particle. Aspects of the present disclosure further provide compositions comprising a coated iron particle and a polymer or adhesion promoter. Aspects of the present disclosure further provide components, such as components, such as vehicle components, having a surface and a composition of the present disclosure disposed on the surface.

Abstract: A composite magnetic body includes soft magnetic metal particles and non-magnetic ceramic particles each having a particle size (D50) smaller than that of the soft magnetic metal particles.

Abstract: An iron oxide powder includes a porous structure having the diameter of from 0.3 ?m to 2 ?m, wherein the iron oxide powder has an aluminum content of from 10 mol % to 80 mol %.

Abstract: The use of inhibitory calcium carbonate as additive for a composition containing at least one polymer different from cellulose, wherein the inhibitory calcium carbonate is obtainable by means of a method in which calcium carbonate particles are coated with a composition comprising, based on its total weight, at least 0.1% by weight of at least one weak acid. Further described is a composition containing at least one polymer different from cellulose and inhibitory calcium carbonate.

Abstract: An organic substance-attached porous inorganic oxide particle including porous inorganic oxide particle and an organic substance attached to the surface of the porous inorganic oxide particle. The organic substance-attached porous inorganic oxide particle satisfies a formula below (Cf?Ce)/2>1 where Cf represents the amount of carbon (atom %) measured by subjecting the surface of the particle to X-ray photoelectron spectroscopy (XPS) after the particle is washed, and Ce represents the amount of carbon (atom %) measured by subjecting the surface of the particle to X-ray photoelectron spectroscopy (XPS) after two-minute surface etching of the particle.

Abstract: A powder for dust core used for a dust core includes a plurality of crystal grains, and the powder has at least two maximal values when a number ratio that is a ratio of the number of the crystal grains at each crystal grain diameter to the number of the crystal grains each crystal grain diameter of which has been measured is plotted with respect to each crystal grain diameter of the crystal grains.

Abstract: An electrophoretic particle including a pigment particle having an intermediate residue covalently bonded to the surface of the pigment particle and a polymer bonded to the intermediate residue. The polymer may be derived from one or more types of monomers and at least one of the monomers is a substituted or unsubstituted styrene monomer including halogenated styrenic monomers. The electrophoretic particle may be used in an electrophoretic medium including a dispersion of the particles in a suspending fluid. The electrophoretic medium may be incorporated into an electro-optic display.

Abstract: A composite powder for use in the negative electrode of a battery, whereby the composite powder comprises composite particles, whereby the composite particles comprise a matrix material and silicon, whereby the composite particles have a particle size distribution having a d10 and a d90, whereby over at least part of the size range from d10 to d90 the composite particles have a size-dependent silicon content. Preferably a finer fraction of the composite powder has an average particle size D1 and a silicon content S1 and a coarser fraction of the composite powder has an average particle size D2 and a silicon content S2, whereby a size dependence factor F is defined as follows F=(S2?S1)/(D2?D1), whereby the absolute value of the size dependence factor F is at least 0.04 wt % silicon/?m.

Abstract: There is disclosed a functional lamellar particle including an unconverted portion of the lamellar particle, wherein the unconverted portion includes a first metal, a converted portion of the lamellar particle disposed external to a surface of the unconverted portion, wherein the converted portion includes a chemical compound of the first metal; and a functional coating disposed external to a surface of the converted portion.

Abstract: A composite nanomaterial of ZnO impregnated by, e.g., a green copper phthalocyanine compound (CuPc) can be an efficient solar light photocatalyst for water remediation. The composite may include hollow shell microspheres and hollow nanospheres of CuPc-ZnO. CuPc may function as a templating and/or structure modifying agent, e.g., for forming hollow microspheres and/or nanospheres of ZnO particles. The composite can photocatalyze the degradation of organic pollutants such as crystal violet (CV) and 2,4-dichlorophenoxyacetic acid as well as microbes in water under solar light irradiation. The ZnO—CuPc composite can be stable and recyclable under solar irradiation.

Abstract: A glass microsphere, comprising: a main body, wherein the main body is solid while including a network of inter-connected pores produced from a phase separation process and thermal and chemical leaching operations, with porosity extending throughout a cross-section of the solid glass microsphere.

Abstract: In an aspect, a composition comprises a plurality of magnetic particles. The magnetic particles each independently comprise a nickel ferrite core having the formula Ni1?xMxPe2+yO4, wherein M is at least one of Zn, Mg, Co, Cu, Al, Mn, or Cr; x is 0 to 0.95, and y=?0.5 to 0.5; and an iron nickel shell at least partially surrounding the core, wherein the iron nickel shell comprises iron, nickel, and optionally M. In another aspect, a method of forming the magnetic particles comprises heat treating a plurality of nickel ferrite particles in a hydrogen atmosphere to form the plurality of magnetic particles having the iron nickel shell on the nickel ferrite core. In yet another aspect, a composite can comprise the magnetic particles and a polymer.