C01P2004/22

Hexagonal boron nitride structures

A microstructure comprises a plurality of interconnected units wherein the units are formed of hexagonal boron nitride (h-BN) tubes. The graphene tubes may be formed by photo-initiating the polymerization of a monomer in a pattern of interconnected units to form a polymer microlattice, removing unpolymerized monomer, coating the polymer microlattice with a metal, removing the polymer microlattice to leave a metal microlattice, depositing an h-BN precursor on the metal microlattice, converting the h-BN precursor to h-BN, and removing the metal microlattice.

Graphene-MXene nanoflower composite material, preparation method and application thereof

The present disclosure relates to a graphene-nanoflower shaped MXene composite material, preparation method and application thereof, which belongs to the field of negative electrode materials for supercapacitors. In the present disclosure, a space-time shaping femtosecond laser is utilized to process MXene target in graphene oxide nanoflake dispersion, so as to synthesize a graphene-nanoflower shaped MXene composite material in one-step. This nanoflower shaped MXene has adjustable size and morphology and an extremely large specific surface area; when it is used in an electrode material for supercapacitors, the supercapacitor exhibits an extremely high specific capacitance and good cycle stability. This method utilizes a space-time shaping femtosecond laser to synthesize the graphene-nanoflower shaped MXene composite material, which is highly controllable, and can be used to uniformly prepare the material in large-scale. It has provided a new way for synthesis of materials.

METHOD FOR PRODUCING HEXAGONAL TUNGSTEN OXIDE AND METHOD FOR PRODUCING ELECTROCHROMIC DEVICE INCLUDING THE SAME
20220169531 · 2022-06-02 ·

Provided is a method for producing hexagonal tungsten oxide, the method including preparing an alkaline solvent having a pH of 8 to 9, which contains at least one of water or alcohol, adding tungsten chloride to the alkaline solvent to form a first reaction solution, adding an additive to the first reaction solution to form a second reaction solution, and adding strong acid to the second reaction solution to form nanoparticles. The additive includes any one of an amine compound having 1 to 8 carbon atoms or an aliphatic hydrocarbon derivative having 10 or more carbon atoms.

Near-infrared absorbing fine particle dispersion liquid, near-infrared absorbing fine particle dispersion body, near-infrared absorbing transparent substrate, near-infrared absorbing laminated transparent substrate

There is provided a near-infrared absorbing fine particle dispersion liquid containing near-infrared absorbing fine particles, thereby as well as exhibiting near-infrared light absorption properties and suppressing a scorching sensation on the skin when used in structures such as window materials and the like, also enabling usage of communication devices, imaging devices, sensors and the like that employ near-infrared light through these structures, a near-infrared absorbing film or a near-infrared absorbing glass, a dispersion body or a laminated transparent substrate, the dispersion liquid containing at least composite tungsten oxide fine particles and antimony doped tin oxide fine particles and/or tin doped indium oxide fine particles as near-infrared absorbing fine particles, wherein in the composite tungsten oxide fine particles, an average value of a transmittance in a wavelength range of 800 to 900 nm is 30% or more and 60% or less, and an average value of a transmittance in a wavelength range of 1200 to 1500 nm is 20% or less, and a transmittance at a wavelength of 2100 nm is 22% or less, when a visible light transmittance is 85% at the time of calculating only light absorption by the composite tungsten oxide fine particles, and containing mixed particles of the composite tungsten oxide fine particles and antimony-doped tin oxide fine particles and/or tin-doped indium oxide fine particles dispersed in a liquid medium, wherein the liquid medium is selected from rater, an organic solvent, an oil and fat, a liquid resin, a liquid plasticizer for plastics, or a mixture thereof, wherein when a visible light transmittance is adjusted to 85% at the time of calculating only light absorption by the near-infrared absorbing fine particles in the dispersion liquid by diluting with the liquid medium, an average value of a transmittance in the wavelength range of 800 to 900 nm is 30% or more and 60% or less, an average value of a transmittance in the wavelength range of 1200 to 1500 nm is 20% or less, and a transmittance at the wavelength of 2100 nm is 11% or less.

METHOD FOR PRODUCING METAL AND/OR METALLOID COMPOUNDS IN AN IONIC LIQUID

The disclosure provides a method of producing a metal compound. The method comprises contacting a metal source with a reaction mixture, wherein the reaction mixture comprises an ionic liquid and an oxidising agent, and thereby producing the metal compound.

Process for the preparation of flocculated filler particles

The present invention concerns a process for the preparation of flocculated filler particles, wherein at least two aqueous suspensions of at least one filler material and at least one flocculating additive are combined.

WHITE PIGMENT FOR COSMETICS, AND COSMETIC
20220023170 · 2022-01-27 · ·

Provided is a white pigment for cosmetics capable of giving a cosmetic that gives a coating film having less stickiness and higher long-lasting properties. A white pigment for cosmetics of the present invention includes a titanium phosphate powder, the titanium phosphate powder includes crystal particles of titanium phosphate, and a ratio (oil absorption value/specific surface area) of an oil absorption value (ml/100 g) to a specific surface area (m.sup.2/g) of the crystal particles is 2.0 or more.

Granular composite containing keratin and hexagonal plate-like zinc oxide

This invention provides a material that is capable of preparing an external composition that achieves high smoothness and low roughness and that reflects near-infrared rays. Specifically, a granular composite comprising keratin and hexagonal plate-shaped zinc oxide particles is provided.

MAGNETIC POWDER FOR RADIO WAVE ABSORBER AND MANUFACTURING METHOD THEREFOR, RADIO WAVE ABSORBER, RADIO WAVE ABSORBING ARTICLE, AND RADIO WAVE ABSORBING COMPOSITION
20230360828 · 2023-11-09 · ·

The magnetic powder for a radio wave absorber is a powder of a hexagonal ferrite having a composition represented by Formula 1, a region B is present on the particle surface of the powder, and Expression 2: 0.3≤content of A atom in region B/content of Al atom in region B≤23.0 and Expression 3: 1.2≤total of content of A atom and content of Al atom in region B/total of content of A atom and content of Al atom in entire powder≤2.5 are satisfied. The region B is a region that is observed as a bright region having a long side diameter of 0.1 μm to 0.6 μm in an image subjected to binarization processing. A represents one or more kinds of atoms (A atom) selected from the group consisting of Sr, Ba, Ca, and Pb, and x satisfies 0.10≤x≤5.00.


AFe.sub.(12-x)Al.sub.xO.sub.19  (Formula 1)

Ferrite particles for bonded magnets, resin composition for bonded magnets, and molded product using the same

According to the present invention, there are provided ferrite particles for bonded magnets and a resin composition for bonded magnets which are capable of producing a bonded magnet molded product having a good tensile elongation and exhibiting excellent magnetic properties, as well as a bonded magnet molded product such as a rotor which is obtained by using the resin composition. The present invention relates to ferrite particles for bonded magnets having a bulk density of not less than 0.5 g/cm.sup.3 and less than 0.6 g/cm.sup.3 and a degree of compaction of not less than 65%, a resin composition for bonded magnets using the ferrite particles, and a molded product obtained by using the ferrite particles and the resin composition.