Zinc oxide compositions and methods for applying anti-reflective coating on oxide particles for sunscreen applications are provided herein. A method includes selecting one or more coating materials to be applied to zinc oxide particles in a sunscreen composition, wherein said selecting is based on optical properties of the coating materials, wherein the optical properties comprises at least the refractive index of each of the coating materials, and applying the selected coating materials to the zinc oxide particles to create the sunscreen composition. A composition includes multiple zinc oxide particles suspended within a medium forming sunscreen composition, and one or more coating materials applied to each of the zinc oxide particles, wherein each of the coating materials has a refractive index that is between the refractive index of air and the refractive index of zinc oxide, and wherein at least one of the coating materials incorporates a textured surface.

Zinc oxide compositions and methods for applying anti-reflective coating on oxide particles for sunscreen applications are provided herein. A method includes selecting one or more coating materials to be applied to zinc oxide particles in a sunscreen composition, wherein selecting is based on optical properties of the coating materials, wherein the optical properties comprises at least the refractive index of each of the coating materials, and applying the selected coating materials to the zinc oxide particles to create the sunscreen composition.

Zinc oxide compositions and methods for applying anti-reflective coating on oxide particles for sunscreen applications are provided herein. A method includes selecting two or more coating materials to be applied to zinc oxide particles in a sunscreen composition, wherein selecting is based on optical properties of the coating materials, wherein the optical properties comprises at least the refractive index of each of the coating materials, and applying the selected coating materials to the zinc oxide particles to create the sunscreen composition.

The present invention relates to an inorganic material comprising particles of three-dimensional ordered macroporous structure comprising spherical pores, said pores having an average pore diameter ranging from 50 nm to 10 m, the pore diameter varying by no greater than 20%, the surface of said pores being coated by an absorber agent of the visible wavelength spectrum, said particles having an average largest dimension ranging from 1 to 50 m, and wherein said particles are coated with at least a hydrophobic component. The invention further relates to a process for preparing said inorganic material.

An object of the present invention is to provide an ultraviolet and/or near-infrared shielding agent composition for transparent material using silicon compound-coated silicon-doped zinc oxide particles that are controlled in properties in an ultraviolet region and/or a near-infrared region. The present invention provides an ultraviolet and/or near-infrared shielding agent composition for transparent material used for a purpose of shielding ultraviolet rays and/or near-infrared rays, the ultraviolet and/or near-infrared shielding agent composition for transparent material featuring that the ultraviolet and/or near-infrared shielding agent contains silicon compound-coated silicon-doped zinc oxide particles, with which surfaces of silicon-doped zinc oxide particles that are zinc oxide particles doped with at least silicon are at least partially coated with a silicon compound.

It is one of objects of the present disclosure to provide hexagonal plate-shaped zinc oxide particles which can be used suitably for a cosmetic, a filler, a resin composition, an infrared radiation reflective material, and a coating composition, and a method for producing the same. Hexagonal plate-shaped zinc oxide particles having a primary particle diameter of 1.1 m or more and a D90/D10 of 3.0 or less in particle size distribution.

An additive for incorporating ultraviolet radiation protection into a synthetic polymer with the additive and the synthetic polymer for forming a synthetic material has a quantity of zinc oxide particles modified with a layer of a reactive group that forms a bond with a synthetic polymer having CH bonds. A product for incorporating ultraviolet radiation protection into a synthetic polymer prior to forming a synthetic material has a quantity of a synthetic polymer 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.

A coated powder comprises (a) particles, and (b) a coating on the surface of the particles including (1) silica moieties, (2) organo oxysilane moieties selected from the group consisting of mono-organo oxysilane moieties, bi-organo oxysilane moieties and tri-organo oxysilane moieties, and (3) poly(dialkyl)siloxane moieties. The amount by weight in SiO.sub.2 equivalents of the organo oxysilane moieties and the silica moieties is at least 0.0625% of the total coated powder weight per m.sup.2/g of the specific surface area of the particle to be coated.

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 CH 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.

An additive for incorporating ultraviolet radiation protection into a synthetic polymer with the additive and the synthetic polymer for forming a synthetic material has a quantity of zinc oxide particles modified with a layer of a reactive group that forms a bond with a synthetic polymer having CH bonds. A product for incorporating ultraviolet radiation protection into a synthetic polymer prior to forming a synthetic material has a quantity of a synthetic polymer 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.