Sumitomo Metal Mining Company, Ltd.

Satoshi Yoshio

Kenji Adachi

Keisuke Machida

Mika Okada

Masao Wakabayashi

Katsushi Ono

Hirofumi Tsunematsu

Koji Yamaji

Ryozo Ushio

Takehide Honma

An electromagnetic wave absorbing particle dispersion includes electromagnetic wave absorbing particles containing cesium tungsten oxide represented by a general formula CsWOand having a crystal structure of an orthorhombic crystal structure or a hexagonal crystal structure, x, y, and z being 0.2≤x≤0.4, 0<y≤0.4, and 0<z≤0.46; and a solid medium. The electromagnetic wave absorbing particles are dispersed in the solid medium.

Electromagnetic wave absorbing particle dispersion, electromagnetic wave absorbing laminate, and electromagnetic wave absorbing transparent base material

Near-infrared absorbing particles that includes a cesium tungstate is provided. In the near-infrared absorbing particles, the cesium tungstate has a pseudo hexagonal crystal structure modulated to one or more crystal structures selected from orthorhombic crystal, rhombohedral crystal, and cubic crystal. The cesium tungstate is represented by a general formula CsWO, and has a composition within a region surrounded by four straight lines of x=0.6y, z=2.5y, y=5x, and CsO:WO=m:n (m and n are integers) in a ternary composition diagram with Cs, W, and O at each vertex.

Near-infrared absorbing particles, method for producing near-infrared absorbing particles, near-infrared absorbing particle dispersion body, near- infrared absorbing laminate, and near-infrared absorbing transparent base material

An electromagnetic wave absorbing particle dispersoid is provided that includes at least electromagnetic wave absorbing particles and a thermoplastic resin, wherein the electromagnetic wave absorbing particles contain hexagonal tungsten bronze having oxygen deficiency, wherein the tungsten bronze is expressed by a general formula: MWO(where one or more elements M include at least one or more species selected from among K, Rb, and Cs, 0.15&#x2264;x&#x2264;0.33, and 0&#x3c;y&#x2264;0.46), and wherein oxygen vacancy concentration Nin the electromagnetic wave absorbing particles is greater than or equal to 4.3&#xd7;10cmand less than or equal to 8.0&#xd7;10cm.

Electromagnetic wave absorbing particle dispersoid and electromagnetic wave absorbing laminated transparent base material

A solar radiation shielding fine particle dispersion body containing a thermoplastic resin, solar radiation shielding fine particles, a solar radiation shielding fine particle-containing masterbatch, a solar radiation shielding resin formed body formed into a predetermined shape using the same, and a solar radiation shielding resin laminate including the solar radiation shielding resin formed body stacked on another transparent formed body. A liquid solar radiation shielding fine particle dispersion body, including a mixture of solar radiation shielding fine particles and at least one selected from an organic solvent and a plasticizer dispersed therein or a solar radiation shielding fine particles including a powder solar radiation shielding fine particles dispersion body, obtained by removing a liquid component from the solar radiation fine particle dispersion body upon heating, dispersed in a resin component, wherein the solar radiation shielding fine particles are solar radiation shielding fine particles containing calcium lanthanum boride fine particles.

Solar radiation shielding fine particle dispersion body and process for producing the same, solar radiation shielding fine particle-containing masterbatch, and solar radiation shielding resin formed body and solar radiation shielding resin laminate using the same

Electromagnetic wave absorbing particles are provided that include hexagonal tungsten bronze having oxygen deficiency, wherein the tungsten bronze is expressed by a general formula: MWO(where one or more elements M include at least one or more species selected from among K, Rb, and Cs, 0.15&#x2264;x&#x2264;0.33, and 0&#x3c;y&#x2264;0.46), and wherein oxygen vacancy concentration Nin the electromagnetic wave absorbing particles is greater than or equal to 3&#xd7;10cmand less than or equal to 8.0&#xd7;10cm.

Electromagnetic-wave-absorbing particles, electromagnetic-wave-absorbing particle dispersion liquids, and manufacturing methods of electromagnetic-wave-absorbing particles

A solar radiation shielding laminated structure, having high visible light transmission property and solar radiation shielding property, low haze value, and high environmental stability with inexpensive production cost, using solar radiation shielding fine particles having high visible light transmission property and excellent solar shielding property and weather resistance, and provides a solar radiation shielding laminated structure in which an interlayer is sandwiched between two laminated sheets; the interlayer having, as an intermediate film, one or more kinds selected from a resin sheet containing solar radiation shielding fine particles and a resin film containing solar radiation shielding fine particles, the laminated sheets being selected from a sheet-glass not containing solar radiation shielding fine particles and a resin board not containing solar radiation shielding fine particles; wherein the solar radiation shielding fine particles are solar radiation shielding fine particles containing calcium lanthanum boride fine particles represented by general formula CaxLa1-xBm.

Solar radiation shielding laminated structure and method for producing the same

Heat ray shielding fine particles contain calcium lanthanum boride fine particles represented by a general formula CaLaB, a shape of each fine particle of the calcium lanthanum boride fine particles satisfies at least one of the following: 1) when scattering intensity of the calcium lanthanum boride fine particles diluted and dispersed in a solvent is measured using small-angle X-ray scattering, value Ve of a slope of a straight line is &#x2212;3.8&#x2264;Ve&#x2264;&#x2212;1.5, 2) the particle shape is a flat cylindrical shape, or a flat spheroidal (wherein a length of a long axis is d and a length of a short axis is h) shape, with a value of aspect ratio d/h being 1.5&#x2264;d/h&#x2264;20.

Heat ray shielding fine particles, heat ray shielding fine particle dispersion liquid, coating liquid for heat ray shielding layer, and heat ray shielding layer, heat ray shielding resin film, heat ray shielding dispersion body using them

An infrared-absorbing material is provided, the infrared-absorbing material including

Infrared-absorbing material, liquid dispersion of infrared-absorbing material, object including dispersed infrared-absorbing material, transparent base laminated with object including dispersed infrared-absorbing material, and infrared-absorbing transparent base

A positive electrode active material for a nonaqueous electrolyte secondary battery contains lithium nickel cobalt zinc composite oxide represented by general formula (1): LiNiCoZnMO(0.95&#x2264;w&#x2264;1.10, 0.05&#x2264;x&#x2264;0.3, 0.005&#x2264;y&#x2264;0.08, and 0&#x2264;z&#x2264;0.3, where M is at least one metal element selected from the group consisting of Mg, Al, Ti, Mn, Fe, and Cu), wherein the lithium nickel cobalt zinc composite oxide has a form of secondary particles each corresponding to an aggregation of primary particles of hexagonal lithium-containing composite oxide with a layered structure, contains zinc oxide on at least a part of a surface of the primary particles and/or a surface of the secondary particles, and has a (003)-plane crystallite diameter of 100 nm or larger and 160 nm or smaller, the diameter being obtained by X-ray diffraction and the Scherrer equation.

Positive electrode active material for nonaqueous electrolyte secondary battery, method for producing the same, and nonaqueous electrolyte secondary battery including the same

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Tokyo, Japan

Satoshi Yoshio