Zinc oxide coated with silicon oxide of the present invention is zinc oxide which is coated with silicon oxide wherein surfaces of zinc oxide particles are coated with silicon oxide coatings, and the coated zinc oxide particles comprises at least one element selected from a group consisting of Mg, Ca, and Ba.

An additive for incorporating ultraviolet radiation protection into a synthetic polymer with the additive and the synthetic polymer for forming a synthetic material is disclosed which has a quantity of zinc oxide particles modified with a layer of a reactive group that forms a bond with a synthetic polymer having C-H bonds.

Disclosed are surface-treated inorganic particles including inorganic particles and a metal-organic framework bound to the surface of the inorganic particles, wherein catechins form a skeleton of the metal-organic framework, a method of manufacturing the inorganic particles, a dispersion solution in which the inorganic particles are dispersed, and a cosmetic composition including the inorganic particles or the dispersion solution.

A method of producing efficiently and stably core-shell type oxide particles, wherein the entire surface of the core oxide particles is uniformly coated with the shell oxide, includes at least two steps of: Step 1 of precipitating the core oxide particles in a mixed fluid prepared by mixing an oxide raw material liquid for core and an oxide precipitation solvent and Step 2 of coating the entire surface of the core oxide particles uniformly with the shell oxide by mixing the mixed fluid and an oxide raw material liquid for shell. (A) At least Steps 1 and 2 are performed continuously between at least two processing surfaces 1 and 2 which are capable of approaching to and separating from each other, at least one of which rotates relatively to the other; (B) after Step 1, Step 2 is completed within a prescribed time during which the core oxide particles do not aggregate in the mixed fluid; or (C) Step 1 and Step 2 are controlled so that the primary particle diameter of the core-shell type oxide particles is 190% or less relative to the primary particle diameter of the core oxide particles.

A composite member includes a matrix part including an inorganic substance, and an organic dye present in a dispersed state inside the matrix part. The composite member has a porosity of 20% or less in a section of the matrix part. A construction member and a decoration member each include the composite member.

Surface-modified zinc oxide particles having a silane coupling agent having an alkoxy group on surfaces thereof, in which the surface-modified zinc oxide particles have 5.0 × 10-2 g2/s or more and 1.0 × 102 g2/s or less of a penetration rate coefficient A of cyclopentasiloxane with respect to the surface-modified zinc oxide particles, which is indicated by A in the following formula (1). W2 = A.Math.t (1) (in the formula, W is a penetration weight (unit: g), and t is a time (unit: s).)

A zinc oxide powder in which a BET specific surface area (X) of the powder is 1.5 m.sup.2/g or more and 65 m.sup.2/g or less, a value obtained by a formula: an apparent specific volume (mL/g) measured by a loose packing method of the zinc oxide powder/an apparent specific volume (mL/g) measured by a tapping method of the zinc oxide powder is 1.5 or more and 2.5 or less, and Formula (1) and Formula (2) shown below are satisfied.
A1/E2=aX+0.06  (1)
(M2−M1)/E2≥0.02  (2)

The present invention relates to organopolysiloxane compositions comprising an organopolysiloxane having, per molecule, at least two alkenyl groups, an organopolysiloxane having, per molecule, at least two SiH units, a hydrosilylation catalyst, and a thermally conductive filler, the thermally conductive filler comprising at least 40% by weigh of metallic silicon, and a specific particle size distribution. The invention further relates to a silicone elastomer which can be obtained by cross-linking and/or curing the composition, as well as its use as a thermally conductive material for coating or filling, in particular for the automotive field, in particular for the field of electric vehicles.

The present invention relates to hydrogen-detectable composite particles through irreversible discoloration and a method for manufacturing same. More particularly, the present invention relates to composite particles having palladium oxide (PdO) particles adhered on the surfaces of zinc oxide (ZnO) nanoparticles and a method for manufacturing same. In addition, the present invention relates to applications of hydrogen detecting sensors, nanofibers, polymer films, paints, or the like using the composite particles.

A product for incorporating ultraviolet radiation protection and antimicrobial protection into a synthetic polymer is disclosed which has a quantity of zinc oxide particles modified with a layer of a reactive group that forms a bond with a quantity of synthetic polymer chips having C—H bonds. A product for incorporating ultraviolet radiation protection and antimicrobial protection into a synthetic polymer prior to forming a synthetic material is also disclosed which has a quantity of synthetic polymer chips and a quantity of zinc oxide particles modified with a layer of a reactive group that forms a bond with the quantity of the synthetic polymer chips.