Abstract: The disclosure pertains to methods for the preparation of crystalline monoclinic VO2 as well as to materials and articles. In a described method, amorphous VO2 is annealed in an oxygen-containing atmosphere to give crystalline monoclinic VO2.

Abstract: The disclosure pertains to thermochromic materials, coatings, to coated articles and to preparation methods. In addition, the disclosure relates to thermochromic particulate material comprising vanadium (IV) oxide. A described preparation method involves curing of the coating using two curing stages performed with different oxygen levels.

Abstract: Described are thermochromic materials. Described thermochromic materials include materials comprising vanadium (IV) oxide and a solid component obtained from a precursor having film-forming properties. Also described are preparation methods for thermochromic materials.

Abstract: Compositions suitable for forming an optical coating are provided, wherein the compositions include core-shell nanoparticles having (a) a core material which includes a polymer; and (b) a shell material which includes a metal oxide.

Abstract: The invention relates to a curable coating composition, a method for curing a curable coating composition and an article comprising a cured composition. The curable coating composition of the invention comprises a thermally curable component and plasmonic particles. The method of the invention concerns a method for curing a curable coating composition comprising plasmonic particles and comprises: exposing the curable coating composition to light comprising electromagnetic waves that are at least partially concentrated by the plasmonic particles.

Abstract: The invention relates to a chemical conversion process and to a process for removing particles from a reaction mixture. The chemical conversion process of the invention includes plasmonic heating of a reaction mixture having at least a one component and plasmonic particles, by exposing the reaction mixture to light having one or more wavelengths which are absorbed by at least part of the plasmonic particles, thereby controlling the reaction rate of one or more chemical reactions.

Abstract: Compositions suitable for forming an optical coating are provided, wherein the compositions include core-shell nanoparticles having (a) a core material which includes a polymer; and (b) a shell material which includes a metal oxide.

Abstract: The present invention relates to a composition suitable for forming an optical coating, the composition comprising core-shell nanoparticles, wherein said nanoparticles comprise: (a) core material comprising polymer; and (b) shell material comprising metal oxide.

Abstract: The invention relates to a chemical conversion process and to a process for removing particles from a reaction mixture. The chemical conversion process of the invention includes plasmonic heating of a reaction mixture having at least a one component and plasmonic particles, by exposing the reaction mixture to light having one or more wavelengths which are absorbed by at least part of the plasmonic particles, thereby controlling the reaction rate of one or more chemical reactions.

Abstract: Methods of treating a cured porous inorganic; coating include contacting the coating with water vapour or a combination of water vapour and base, wherein the coating prior to curing includes a coating composition having particles with a core which is hollow or which comprises an organic polymer composition and a shell formed of an inorganic oxide. The shell has a thickness in the range from 2 to 75 nm and has at least one and no more than five enlarged pores, each enlarged pore having a diameter of between 5 nm and 300 nm.

Abstract: The invention relates to a chemical conversion process and to a process for removing particles from a reaction mixture. The chemical conversion process of the invention comprises plasmonic heating of a reaction mixture, which reaction mixture comprises at least a one component and plasmonic particles, by exposing said reaction mixture to light comprising one or more wavelengths which are absorbed by at least part of the plasmonic particles, thereby controlling the reaction rate of one or more chemical reactions.

Abstract: The invention relates to a coating composition comprising an inorganic oxide precursor AMOx based on at least one inorganic element A selected from the group consisting of aluminum, silicium, titanium, zirconium, niobium, indium, tin, antimony, tantalum, and bismuth; and an inorganic oxide precursor BMOx based on at least one inorganic element B selected from the group consisting of scandium, yttrium, lanthanum, and the lanthanoids; wherein AMOx and BMOx are capable of forming a mixed inorganic oxide. A coating made from this composition shows enhanced resistance to hydrolysis. The invention also relates to a process for applying a coating on a substrate using such composition, more specifically to a liquid coating composition for use in a process of applying an anti-reflective coating on transparent substrate; to a coated substrate obtained with such process, and to an article, like a solar panel, comprising such coated substrate.

Abstract: The invention relates to a curable coating composition, a method for curing a curable coating composition and an article comprising a cured composition. The curable coating composition of the invention comprises a thermally curable component and plasmonic particles. The method of the invention concerns a method for curing a curable coating composition comprising plasmonic particles and comprises: exposing the curable coating composition to light comprising electromagnetic waves that are at least partially concentrated by the plasmonic particles.

Abstract: The invention relates to a chemical conversion process and to a process for removing particles from a reaction mixture. The chemical conversion process of the invention comprises plasmonic heating of a reaction mixture, which reaction mixture comprises at least a one component and plasmonic particles, by exposing said reaction mixture to light comprising one or more wavelengths which are absorbed by at least part of the plasmonic particles, thereby controlling the reaction rate of one or more chemical reactions.

Abstract: The invention relates to a coating composition comprising an inorganic oxide precursor AMOx based on at least one inorganic element A selected from the group consisting of aluminum, silicium, titanium, zirconium, niobium, indium, tin, antimony, tantalum, and bismuth; and an inorganic oxide precursor BMOx based on at least one inorganic element B selected from the group consisting of scandium, yttrium, lanthanum, and the lanthanoids; wherein AMOx and BMOx are capable of forming a mixed inorganic oxide. A coating made from this composition shows enhanced resistance to hydrolysis. The invention also relates to a process for applying a coating on a substrate using such composition, more specifically to a liquid coating composition for use in a process of applying an anti-reflective coating on transparent substrate; to a coated substrate obtained with such process, and to an article, like a solar panel, comprising such coated substrate.

Abstract: The present invention relates to a particle having a core and a shell, said core being hollow or comprising an organic polymer composition and said shell comprising an inorganic oxide. The shell has a thickness in the range from 2 to 75 nm and has at least one and no more than five enlarged pores, each enlarged pore having a diameter of between 5 nm and 300 nm.

Abstract: The invention provides a sol-gel process for preparing a mixture of metal-oxide-metal compounds wherein at least one metal oxide precursor is subjected to a hydrolysis treatment to obtain one or more corresponding metal oxide hydroxides, the metal oxide hydroxides so obtained are subjected to a condensation treatment to form the metal-oxide-metal compounds, which process is carried out in the presence of a catalyst which comprises a labile protecting group (P9) and a base (B) which are covalently linked, whereby the covalent link between the protecting group and the base is cleavable by exposure to an external stimulus, and wherein the base released after exposure to such external stimulus is capable of catalyzing the condensation of the metal-hydroxide groups that are present in the metal oxide hydroxides so obtained.

Abstract: A sol-gel process for preparing a mixture of metal-oxide-metal compounds wherein at least one metal oxide precursor is subjected to a hydrolysis treatment to obtain one or more corresponding metal oxide hydroxides, the metal oxide hydroxides so obtained are subjected to a condensation treatment to form the metal-oxide-metal compounds, which process is carried out in the presence of an encapsulated catalyst, whereby the catalytically active species is released from the encapsulating unit by exposure to an external stimulus, and wherein the catalytically active species released after exposure to such external stimulus is capable of catalyzing the condensation of the metal-hydroxide groups that are present in the metal oxide hydroxides so obtained.

Abstract: The invention provides a composition comprising core-shell nanoparticles, the nanoparticles comprising (a) cationic core material comprising latex; and (b) shell material comprising metal oxide.

Abstract: The present invention relates to a composition suitable for forming an optical coating, the composition comprising core-shell nanoparticles, wherein said nanoparticles comprise: (a) core material comprising polymer; and (b) shell material comprising metal oxide.