Embodiments provide a coating material including (A) 100 parts by mass of an active-energy-ray-curable resin, (B) 5 to 200 parts by mass of aluminum oxide particles having an average particle diameter of 1 to 100 μm, (C) 0.1 to 20 parts by mass of aluminum oxide microparticles having an average particle diameter of 1 to 100 nm, and (D) 0.1 to 40 parts by mass of a compound having at least two isocyanate groups per molecule, where the active-energy-ray-curable resin (A) includes (a1) 70 to 99% by mass of a polyfunctional (meth)acrylate and (a2) 30 to 1% by mass of an acrylamide compound having at least one hydroxyl group per molecule, and the sum total of the amount of the polyfunctional (meth)acrylate (a1) and the amount of the acrylamide compound (a2) having at least one hydroxyl group per molecule is 100% by mass.

Embodiments provide a coating material including (A) 100 parts by mass of an active-energy-ray-curable resin, (B) 5 to 200 parts by mass of aluminum oxide particles having an average particle diameter of 1 to 100 μm, (C) 0.1 to 20 parts by mass of aluminum oxide microparticles having an average particle diameter of 1 to 100 nm, and (D) 0.1 to 40 parts by mass of a compound having at least two isocyanate groups per molecule, where the active-energy-ray-curable resin (A) includes (a1) 70 to 99% by mass of a polyfunctional (meth)acrylate and (a2) 30 to 1% by mass of an acrylamide compound having at least one hydroxyl group per molecule, and the sum total of the amount of the polyfunctional (meth)acrylate (a1) and the amount of the acrylamide compound (a2) having at least one hydroxyl group per molecule is 100% by mass.

In general, the present invention is directed to a gypsum board comprising a gypsum core and a glass mat facing material including a coating. The coating comprises a resin including an acrylic resin, a siloxane rubber, or a mixture thereof and hydrophobic additive comprising an organosilane. The gypsum board passes at least one of the three air and water barrier tests specified in AC-212 wherein the tests comprise a water penetration barrier test as conducted in accordance with ASTM E331-00, a hydrostatic head test as conducted in accordance with AATCC 127-2008, or an air barrier test as conducted in accordance with ASTM E2357-11.

In general, the present invention is directed to a gypsum board comprising a gypsum core and a glass mat facing material including a coating. The coating comprises a resin including an acrylic resin, a siloxane rubber, or a mixture thereof and hydrophobic additive comprising an organosilane. The gypsum board passes at least one of the three air and water barrier tests specified in AC-212 wherein the tests comprise a water penetration barrier test as conducted in accordance with ASTM E331-00, a hydrostatic head test as conducted in accordance with AATCC 127-2008, or an air barrier test as conducted in accordance with ASTM E2357-11.

The present invention relates to aqueous coating compositions for forming an anti-grain-puffing coating, aqueous primers comprising the aqueous coating composition, and articles comprising the anti-grain-puffing coating. In particular, the aqueous coating composition comprises: (a) an aqueous dispersion of polymeric particles, wherein the polymer particles comprise polymer having an anionic hydrophilic group on its molecule chain, and the aqueous dispersion of polymeric particles has a pH of less than 7.0; and (b) an aqueous dispersion of nano-silica.

The present invention relates to aqueous coating compositions for forming an anti-grain-puffing coating, aqueous primers comprising the aqueous coating composition, and articles comprising the anti-grain-puffing coating. In particular, the aqueous coating composition comprises: (a) an aqueous dispersion of polymeric particles, wherein the polymer particles comprise polymer having an anionic hydrophilic group on its molecule chain, and the aqueous dispersion of polymeric particles has a pH of less than 7.0; and (b) an aqueous dispersion of nano-silica.

The present invention relates to aqueous coating compositions for forming an anti-grain-puffing coating, aqueous primers comprising the aqueous coating composition, and articles comprising the anti-grain-puffing coating. In particular, the aqueous coating composition comprises: (a) an aqueous dispersion of polymeric particles, wherein the polymer particles comprise polymer having an anionic hydrophilic group on its molecule chain, and the aqueous dispersion of polymeric particles has a pH of less than 7.0; and (b) an aqueous dispersion of nano-silica.

An active-energy-ray-curable composition includes a polymerizable dendritically-branched compound and a polyester resin containing a polymerizable unsaturated bond.

An active-energy-ray-curable composition includes a polymerizable dendritically-branched compound and a polyester resin containing a polymerizable unsaturated bond.

A coated metal alloy substrate for an electronic device, a process for producing a coated metal alloy substrate for an electronic device and a housing for an electronic device, comprising a coated metal alloy substrate wherein the coated metal alloy CA substrate comprises at least one chamfered edge (1) and comprises: a passivation layer (2) deposited on the at least one chamfered edge (1); an electrophoretic deposition layer (3) deposited on the passivation layer (2); and a hydrophobic layer (4) deposited on the electrophoretic deposition layer (3).