Abstract:
A phase change magnetic ink including a phase change ink carrier; an optional colorant; an optional dispersant; an optional synergist; an optional antioxidant; and an inorganic oxide coated magnetic nanoparticle comprising a magnetic core and an inorganic oxide shell disposed thereover.
Abstract:
The present invention provides a method of manufacturing an alkali metal titanate, the method including at least a first step of mixing a titanium compound and an alkali metal compound to prepare a first mixture and sintering the first mixture, and a second step of adding the alkali metal compound to the sintered body, which is formed at the first step, to prepare a second mixture and sintering the second mixture. The present invention provides the alkali metal titanate having a desired composition and a single-phase.
Abstract:
To provide surface-treating agents that can provide excellent hydrophobicity to powder and can improve its rinsability, to provide surface-treated powders that are treated with the surface-treating agent, and to provide cosmetics that comprise the surface-treated powder. A surface-treating agent consisting of a polymer which comprises a monomer (A) represented by the general formula (1) described below as a constituent monomer. (wherein R1 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, R2 represents an alkylene group having 4 to 22 carbon atoms, X1 represents an —NH— group or an oxygen atom, and M1 represents a hydrogen atom or a monovalent inorganic or organic cation.)
Abstract:
α-sialon phosphor that is α-sialon represented by a general expression: (M)x(Eu)y(Si, Al)12(O, N)16 (where M is one or more types of elements selected from a group consisting of Li, Mg, Ca, and Y as well as lanthanide element (except for La and Ce) and including at least Ca), the α-sialon phosphor being structured so that an oxygen content is 1.2 mass % or less and primary particles constituting the α-sialon have a columnar shape. When the α-sialon phosphor receives ultraviolet rays or visible light having a wavelength from 250 to 500 nm as an excitation source, the α-sialon phosphor shows a fluorescent characteristic having a peak in a wavelength region from 595 to 630 nm.
Abstract:
Provided is a lead-free dielectric ceramics having a low leakage current value, and a bismuth iron oxide powder as a raw material thereof. The bismuth iron oxide powder includes at least: (A) grains including a bismuth iron oxide having a perovskite-type crystal structure; (B) grains including a bismuth iron oxide having a crystal structure classified to a space group Pbam; and (C) grains including a bismuth iron oxide or a bismuth oxide having a crystal structure that is classified to a space group I23. The dielectric ceramics are made of bismuth iron oxide in which the bismuth iron oxide crystals having the crystal structure classified to the space group Pbam are distributed at a grain boundary of crystal grains of the bismuth iron oxide crystals having the perovskite-type crystal structure.
Abstract:
The present invention provides a porous alumina self-supporting film which has a sufficient strength to be used as a self-supporting film, is flexible and has a high transparency; an alumina sol that is composed of fibrous or needle-like boehmite particles dispersed in a solution and that has a high storage stability; and methods for producing such a film and such an alumina sol. More specifically, the invention provides a porous alumina self-supporting film which is composed of a collection of fibrous or needle-like alumina hydrate particles or alumina particles having an average breadth of 1 to 10 nm, an average aspect ratio (length/breadth) of 30 to 5,000 and an average length of 100 to 10,000 nm, has an orientation, has a pore distribution with a pore diameter dpeak of 0.5 to 20 nm, is flexible, has a high transparency, and has the ability to luminesce when excited by ultraviolet light; an alumina sol which has a Na, K and SO4 content of 0 to 1 ppm, has an orientation when the particles are collected, and luminesces when excited by ultraviolet light after being fired at 250 to 900° C.; and methods for producing such a film and such an alumina sol.
Abstract:
A multimetal oxide of the formula I Aga-bMbV2Ox*cH2O, I where M is a metal selected from the group consisting of Li, Na, K, Rb, Cs, Tl, Mg, Ca, Sr, Ba, Cu, Zn, Cd, Pb, Cr, Au, Al, Fe, Co, Ni and/or Mo, a is from 0.3 to 1.9 and b is from 0 to 0.5, with the proviso that the difference (a−b)≧0.1 and c is from 0 to 20 and x is a number determined by the valence and amount of elements different from oxygen in the formula I, which has a crystal structure giving an X-ray powder diffraction pattern which displays reflections at the lattice spacings d of 15.23±0.6, 12.16±0.4, 10.68±0.3, 3.41±0.04, 3.09±0.04, 3.02±0.04, 2.36±0.04 and 1.80±0.04 Å. Precatalysts and catalysts produced therefrom for the partial oxidation of aromatic hydrocarbons are also provided.
Abstract:
Fibrous basic magnesium sulfate particles are continuously produced by the process comprising the following steps: (1) placing in a reaction vessel a seed particle-containing aqueous dispersion comprising fibrous basic magnesium sulfate seed particles dispersed in an aqueous medium; (2) supplying magnesium hydroxide and magnesium sulfate continuously into the reaction vessel under heating and stirring the seed particle-containing aqueous dispersion, whereby depositing basic magnesium sulfate produced by the reaction between the magnesium sulfate and magnesium hydroxide in the presence of water on the surfaces of the fibrous basic magnesium sulfate seed particles, to give an aqueous dispersion containing an increased amount of fibrous basic magnesium sulfate particles; (3) taking the aqueous dispersion obtained in the step (2) continuously out of the reaction vessel; and (4) recovering fibrous basic magnesium sulfate particles from the aqueous dispersion taken out of the reaction vessel.
Abstract:
Methods for preparing nanocomposites with thermal properties modified by powder size below 100 nanometers. Both low-loaded and highly-loaded nanocomposites are included. Nanoscale coated, un-coated, whisker type fillers are taught. Thermal nanocomposite layers may be prepared on substrates.
Abstract:
The present invention provides a method of manufacturing an alkali metal titanate, the method including at least a first step of mixing a titanium compound and an alkali metal compound to prepare a first mixture and sintering the first mixture, and a second step of adding the alkali metal compound to the sintered body, which is formed at the first step, to prepare a second mixture and sintering the second mixture. The present invention provides the alkali metal titanate having a desired composition and a single-phase.