B01J13/22

Inorganic nanoparticle-coated hollow particles, method for producing the same, and aqueous dispersion containing the hollow particles
11707722 · 2023-07-25 · ·

Provided are hollow particles which are more excellent in heat resistance and dispersibility than ever before and which are lightweight. The hollow particles containing hollow resin particles having a surface covered with inorganic fine particles, wherein a volume average particle diameter of the hollow particles is from 0.1 μm to 9.0 μm, and a void ratio thereof is from 55% to 95%; wherein a repeating unit constituting the resin of the hollow resin particles contains a crosslinkable monomer unit, and a content of the crosslinkable monomer unit is from 25 to 100 parts by mass, with respect to 100 parts by mass of the resin; wherein a primary particle diameter of the inorganic fine particles is from 10 nm to 120 nm; and wherein the inorganic fine particles are contained at from 5 to 180 parts by mass, with respect to 100 parts by mass of the hollow resin particles.

MICROCAPSULES HAVING DUAL REAGENTS SEPARATED BY THE CAPSULE WALL AND METHODS FOR MAKING SAME
20180010013 · 2018-01-11 ·

Ruptureable, dual reagent mono-capsules are disclosed that have a core composition, which includes a first reagent, encapsulated within a polymer wall, and a shell connected to an exterior surface of the polymer wall by a surfactant. The shell is made from a second reagent that is chemically bonded to the surfactant by a chemical electrostatic interaction. Upon rupture of the polymer wall of the mono-capsule, the first reagent and the second reagent chemically react with one another to form a reaction product.

MICROCAPSULES HAVING DUAL REAGENTS SEPARATED BY THE CAPSULE WALL AND METHODS FOR MAKING SAME
20180010013 · 2018-01-11 ·

Ruptureable, dual reagent mono-capsules are disclosed that have a core composition, which includes a first reagent, encapsulated within a polymer wall, and a shell connected to an exterior surface of the polymer wall by a surfactant. The shell is made from a second reagent that is chemically bonded to the surfactant by a chemical electrostatic interaction. Upon rupture of the polymer wall of the mono-capsule, the first reagent and the second reagent chemically react with one another to form a reaction product.

NATURALLY DEGRADABLE MICROCAPSULES AND A METHOD OF PREPARING THE SAME

The present invention relates to a method of preparing microcapsules, and the microcapsules prepared according to the preparation method of the present invention can exhibit high versatility, natural degradability and long-term stability, and the active substance in the capsule can be stably loaded in the capsule even in the presence of a surfactant.

Core-shell microcapsule with a polyamine-based thermosetting shell

A core-shell microcapsule comprising a core containing a functional ingredient and a shell surrounding or at least partially surrounding said core, the shell comprising a thermosetting resin formed by the reaction of shell-forming monomers comprising a polyamine and a material comprising a plurality of olefinic double bonds capable of reacting with the polyamine.

BIODEGRADABLE MICROCAPSULE SYSTEMS

In accordance with a first aspect, the invention relates to microcapsules for use in a high demand area selected from detergents and cleaners, cosmetic products, adhesive systems, paints and dispersions, coating materials comprising a core material and a shell, wherein the shell consists of at least a first and a second layer whose chemical compositions differ, and wherein the shell has a biodegradability measured according to OECD 301 F of at least 40%. The invention further relates to a product comprising microcapsules, wherein the product is selected from the group consisting of an adhesive system; a cosmetic product; a pharmaceutical product; a coating material, in particular a coated paper; a heat storage coating, a self-healing coating or a corrosion coating; and a coating of functional packaging materials.

BIODEGRADABLE MICROCAPSULE SYSTEMS

In accordance with a first aspect, the invention relates to microcapsules for use in a high demand area selected from detergents and cleaners, cosmetic products, adhesive systems, paints and dispersions, coating materials comprising a core material and a shell, wherein the shell consists of at least a first and a second layer whose chemical compositions differ, and wherein the shell has a biodegradability measured according to OECD 301 F of at least 40%. The invention further relates to a product comprising microcapsules, wherein the product is selected from the group consisting of an adhesive system; a cosmetic product; a pharmaceutical product; a coating material, in particular a coated paper; a heat storage coating, a self-healing coating or a corrosion coating; and a coating of functional packaging materials.

Sheets Comprising Encapsulated Fragrance Compositions and Methods to Manufacture Same
20230021841 · 2023-01-26 ·

Described herein is an article of manufacture and a method of manufacturing said article, where the article of manufacture includes: a substrate including a webbing; and a varnish layer including an encapsulated fragrance composition applied to at least one surface of the substrate.

PROTECTION OF POLYMERIC/ORGANIC MATERIALS FROM PHOTODEGRADATION BY ENCAPSULATION
20230220273 · 2023-07-13 ·

Structures of a particle containing a core and at least one shell, a metal oxide material of which is necessarily doped to ensure protection of a material of the core from photodegradation. The core can include any of a thermochromic material, a phase-change material, and a judiciously defined auxiliary material that in turn contains organic and/or polymeric material. Derivative products utilizing a plurality of such particles. Methodologies for producing such particles and derivative products.

NANOCOMPOSITE PARTICLES COMPRISING A BORONIC ACID MOIETY AND METHODS FOR PRODUCING AND USING THE SAME

The present invention provides compositions and methods for determining a saccharide level in a sample. In particular, compositions and methods of the invention include a boronic acid moiety that forms a complex with a saccharide.