A matte clear coating composition for an aluminum member, comprising acrylic resin (A) having a hydroxy value of 100 to 200 mgKOH/g; melamine resin (B); silica particles (C) having an average particle size of 1.0 to 15 m; and polyolefin wax (D) having an average particle size of 10 to 40 m and a melting point of 145 C. to 180 C., the matte clear coating composition comprising 5 to 20 mass % of silica particles (C) and 3 to 15 mass % of polyolefin wax (D) based on the total solids content of acrylic resin (A) and melamine resin (B). The matte clear coating composition for an aluminum member satisfies both corrosion resistance and abrasion resistance (scratch resistance).

It is an object of the present invention to provide a development roll rubber member that has a uniformly roughened surface on a rubber member surface, that is capable of ensuring a sufficient thickness without contaminating a peripheral portion while maintaining a flexibility in a coating layer and a convex portion without impairing softness of a rubber substrate layer, and that has the coating layer achieving non-tackiness and low friction, and a method of manufacturing the same, and the object is achieved by putting a reactive silicone oil, an isocyanate compound, and a diluent solvent capable of dissolving both the reactive silicone oil and the isocyanate compound into a reaction container, by causing a prepolymerization reaction in which the reactive silicone oil and the isocyanate compound are reacted into a polymerized state in the diluent solvent in the reaction container while dissolution in the solvent is maintained, by subsequently mixing a polyol and an isocyanate compound solution and using silicone rubber particles 101 to prepare an application liquid of a coating layer 13 component, and by applying and curing the application liquid around the development roll 1 for formation.

To provide powder for thermal spraying, a method of thermal spraying, and a thermally sprayed coating, which can efficiently work supplying of a dry state powder by using a powder supplying apparatus with a thermal spraying apparatus, and which prevent variation and pulsation or lowering of supplied amount of powder and achieve a required film forming rate, and can obtain a denser coating on the surface of the substrate to be thermally sprayed. [Solution] Powder for thermal spraying 1 is a powder mixture obtained by mixing ceramic powder A whose particle diameter is D.sub.1 and ceramic powder B whose particle diameter is D.sub.2, wherein D.sub.1 is 0.5 to 12 ?m as a median diameter, D.sub.2 is 0.003 to 0.100 ?m as an average particle diameter converted from the BET specific surface area, and when, in the powder mixture, the total weight of the ceramic powder A to be used whose prescribed particle diameter D.sub.1 is W.sub.1, and the total weight of the ceramic powder B to be added to the ceramic powder A is W2, an addition ratio Y of the ceramic powder B defined by Y=W.sub.2/(W.sub.1+W.sub.2) satisfies: Y?0.2066?D.sub.1.sup.?0.751 and Y?0.505?D.sub.1.sup.?0.163.

A coated article is described, including a substrate with a coating composition applied thereon to provide a coated article with a textured surface. In one aspect, the coated article is a steel rebar used to reinforce concrete. The textured surface provides optimal surface roughness and demonstrates superior pullout strength relative to an uncoated standard.

A method of forming a digital print on a surface (2) by applying powder of dry ink (15) including colourants (7) on the surface, bonding a part of the dry ink (15) powder to the surface (2) by a digital heating print head (80) such that the digital print is formed by the bonded dry ink colourants (7) and removing non-bonded dry ink (15) from the surface (2).

A feedstock for a thermal spray process is disclosed. The feedstock includes fly ash derived from coal combustion. A method for coating an article is disclosed. The method includes applying the feedstock as a coating precursor by a thermal spray process. The fly ash preferentially forms a coating disposed on a substrate of the article.

The present invention relates to a process for the production of a mineral filler product comprising a step of dry grinding a calcium carbonate-containing material in the presence of an agent being a polyol. The mineral filler product according to the present invention was found to have a reduced moisture pickup as compared to prior art products.

A coating-extender and adhesion-promoting composition is provided that comprises a plurality of glass particles having an adhesion-promoting compound deposited thereon. Various coatings, especially inks, can be formulated with the coating-extender composition so as to reduce the coating's requirements of more expensive components such as monomers, oligomers, resins, and pigment.

It is an object of the present invention to provide a cleaning implement which can be used to meet a variety of skin types of users, skin regions and usage, and at the same time, has superior cleaning ability, and can minimize irritation to the skin of the users. To achieve this purpose, the cleaning implement according to the present invention comprises a substrate portion containing konjac as a main component and having a sponge structure; and a coating layer formed by coating on the part of the substrate portion, which is composed of one or more selected from a plurality of natural loofah fragments, a natural cellulose powder, a plurality of natural sponge fragments, hemp fabric and ramie fabric.

A paint composition with improved hiding power includes water, a film-forming polymer, pigments, and a plurality of hollow glass spheres dispersed in the paint composition. Advantageously, the hollow glass spheres encapsulate air voids in coatings formed from the paint composition.