A water-based paint composition has performance to decompose ozone. The water-based paint composition includes a manganese oxide-based catalyst, an activated carbon, a polyacrylate-based dispersant, a water-soluble resin, a pH adjuster, and a water-based solvent.

A water-based paint composition has performance to decompose ozone. The water-based paint composition includes a manganese oxide-based catalyst, an activated carbon, a polyacrylate-based dispersant, a water-soluble resin, a pH adjuster, and a water-based solvent.

A polishing liquid is provided containing manganese oxide abrasive grains, permanganate ions, and a cellulosic surfactant or a cationic surfactant. The polishing liquid has a pH of 5 or more and 11 or less. The cellulosic surfactant is preferably a carboxymethyl cellulose or a derivative thereof. The cationic surfactant preferably has a quaternary ammonium ion site. The content of the cellulosic surfactant or the cationic surfactant is preferably 0.01 mass % or more and 1.0 mass % or less based on the total amount of the polishing liquid.

A curable composition includes a curable resin and a magnetic body, wherein the magnetic body comprises magnetic particles and a surface treatment agent present on a surface of the magnetic particles. The curable composition has low viscosity, and fluidity, and capable of effectively cured without causing curing shrinkage or the like to form a cured product having desired physical properties.

A photocurable composition including the following components (A) to (D), (A) a monomer having one (meth)acryloyl structure, (B) a crosslinking agent having two or more (meth)acryloyl structures, (C) an inorganic ultraviolet-blocking agent having a 50% volume cumulative particle size of 1 to 50 nm, and (D) a photopolymerization initiator in an amount of 0.05 to 1 part by weight, relative to total 100 parts by weight of components (A) and (B), wherein a part or all of component (A) is a hydrophilic monomer, and a content of the hydrophilic monomer is 70% by weight or more, relative to the total weight of components (A) and (B).

The present disclosure relates to an antimicrobial coating on a surface, a method for preparing and uses of the same. In particular it relates to a process for preparing an antimicrobial coating on a surface, the process comprising the steps of: a) providing a surface; b) coating a metal oxide or a metal hydroxide on the surface in the presence of a solvent in a hydrothermal synthesis step to form a coated surface having a plurality of nanostructures; c) optionally drying the coated surface, wherein said nanostructure is preferably in nanopillar structure. The coating of the present application exhibits excellent antimicrobial activity against different types of microorganism, such as bacteria and yeast. The nanostructures are able to exert stress to the microorganism, and therefore controlling or killing them.

The present disclosure provides an aerogel composition which is durable and easy to handle, which has favorable performance in aqueous environments, and which also has favorable combustion and self-heating properties. Also provided is a method of preparing an aerogel composition which is durable and easy to handle, which has favorable performance in aqueous environments, and which has favorable combustion and self-heating properties. Further provided is a method of improving the hydrophobicity, the liquid water uptake, the heat of combustion, or the onset of thermal decomposition temperature of an aerogel composition.

The present invention provides an abrasive material capable of polishing difficult-to-polish silicon carbide at a high degree of surface precision. The present invention relates to an abrasive material including manganese dioxide particles having a non-needle-like shape possessing a ratio of the longitudinal axis to the transverse axis of the particles observed with a scanning electron microscope of 3.0 or less. The abrasive material is preferable if the average particle size D.sub.SEM of the longitudinal axis of the observed particles is 1.0 m or less, and if the particle size D.sub.50 of the volume-based cumulative fraction of 50% in laser diffraction/scattering particle size distribution measurement is 2.0 m or less.

Provided are a ferrite powder that inhibits magnetic loss at frequencies lower than 100 MHZ, and when applied to a composite material or a composite body, is capable of preventing particles from coming off without loss of moldability and filling properties, a ferrite resin composite material, and electromagnetic shielding material, electronic material, or electronic component. This ferrite powder is a MnZn ferrite powder containing at least spherical or polyhedral ferrite particles having a spinel phase as a main phase. The ferrite particles also have, at respective surfaces thereof, a step structure having a convex polygonal contour. Furthermore, the BET specific surface area of the ferrite powder is 0.35-10.00 m.sup.2/g, and the contained amount of the zinc oxide (ZnO) phase thereof is 0-0.8 mass %.

The present invention relates to the field of environmentally oxidative drying inks for wet offset printing processes using environmentally friendly fountain solutions or environmentally friendly fountain concentrates. In particular, the invention related to a kit comprising an environmentally friendly fountain solution or environmentally friendly fountain concentrate and an environmentally friendly oxidative drying ink for wet offset printing processes, wherein said oxidative drying ink comprises at least one oxidative drying varnish and one or more neutral manganese complex compounds and wherein said fountain solution or fountain solution concentratee comprises one or more manganese (II) salts of a C.sub.1-C.sub.3 carboxylic acid.