A method of packaging a battery device with a metal shell, comprising: applying a waterborne two-component polyurethane composition to the metal shell of the battery device, and drying the applied polyurethane composition to form a packaging layer; wherein the polyurethane composition comprises, (A) an aqueous dispersion comprising a hydroxyl-functional polymer, wherein the hydroxyl-functional polymer comprises, by weight based on the weight of the hydroxyl-functional polymer, from 20% to 50% of structural units of a hydroxy-functional alkyl (meth)acrylate; from 0.1% to 10% of structural units of an acid monomer, a salt thereof, or mixtures thereof; and structural units of a monoethylenically unsaturated nonionic monomer; and (B) a polyisocyanate.

The invention relates to a non-intumescent, waterborne fire-retardant coating composition comprising: (a) at least one binder resin having reactive functional groups comprising both hydroxyl and carboxylic groups, wherein the binder resin has an acid value lower than 40 mg KOH/g resin on solids and an OH value higher than 30 mg KOH/g resin on solids, (b) a crosslinker, capable of reacting with at least some of the functional groups of the binder resin (a), wherein the crosslinker contains a carbodiimide functionality, and (c) at least one fire retardant. The resulting coating has a good adhesion to a variety of substrates, prolonged pot-life, and complies with the requirements of fire resistance in aircraft industry.

The invention relates to a non-intumescent, waterborne fire-retardant coating composition comprising: (a) at least one binder resin having reactive functional groups comprising both hydroxyl and carboxylic groups, wherein the binder resin has an acid value lower than 40 mg KOH/g resin on solids and an OH value higher than 30 mg KOH/g resin on solids, (b) a crosslinker, capable of reacting with at least some of the functional groups of the binder resin (a), wherein the crosslinker contains a carbodiimide functionality, and (c) at least one fire retardant. The resulting coating has a good adhesion to a variety of substrates, prolonged pot-life, and complies with the requirements of fire resistance in aircraft industry.

Disclosed is an electrical steel sheet with an insulating coating formed by applying a surface-treatment agent to at least one surface of the electrical steel sheet and drying the surface-treatment agent, wherein the surface-treatment agent contains: certain trialkoxysilane and/or dialkoxysilane (A); a silane coupling agent (B) that does not contain a polymerizable unsaturated group in its structure; plate-like silica (C); a polymerizable unsaturated-group-containing compound (D); and water, within a range satisfying the following conditions (1) to (3): (1) a mass ratio (A/B) of (A) to (B) is from 0.05 to 1.00; (2) a content of (C) is 2 mass % to 30 mass % with respect to a total mass of (A) to (D) in the surface-treatment agent; and (3) a content of (D) is 2 mass % to 18 mass % with respect to the total mass of (A) to (D) in the surface-treatment agent.

Disclosed is an electrical steel sheet with an insulating coating formed by applying a surface-treatment agent to at least one surface of the electrical steel sheet and drying the surface-treatment agent, wherein the surface-treatment agent contains: certain trialkoxysilane and/or dialkoxysilane (A); a silane coupling agent (B) that does not contain a polymerizable unsaturated group in its structure; plate-like silica (C); a polymerizable unsaturated-group-containing compound (D); and water, within a range satisfying the following conditions (1) to (3): (1) a mass ratio (A/B) of (A) to (B) is from 0.05 to 1.00; (2) a content of (C) is 2 mass % to 30 mass % with respect to a total mass of (A) to (D) in the surface-treatment agent; and (3) a content of (D) is 2 mass % to 18 mass % with respect to the total mass of (A) to (D) in the surface-treatment agent.

The present invention discloses a sound absorption material including an organic frame material; a binder; a thickener; and a plurality of sound absorption grains attached to the organic frame material via the binder, having a grain size in a range of 10-100 μm. The stability and the sound absorption performance of the sound absorption material have been effectively improved.

The present invention discloses a sound absorption material including an organic frame material; a binder; a thickener; and a plurality of sound absorption grains attached to the organic frame material via the binder, having a grain size in a range of 10-100 μm. The stability and the sound absorption performance of the sound absorption material have been effectively improved.

Provided is a primer composition including a thickener that contains at least one functional group selected from the group consisting of a hydroxyl group and a carboxyl group. The primer composition includes a thickener undissolved residue of 0.05 wt % or less based on the total solid weight thereof; an anode and a secondary battery including the same. A method for manufacturing the anode is also provided.

Provided is a primer composition including a thickener that contains at least one functional group selected from the group consisting of a hydroxyl group and a carboxyl group. The primer composition includes a thickener undissolved residue of 0.05 wt % or less based on the total solid weight thereof; an anode and a secondary battery including the same. A method for manufacturing the anode is also provided.

The present invention relates to a coating tape and a method of manufacturing the same. More particularly, the present invention relates to a coating tape in which an inorganic layer formed on one surface or both surfaces of an electrode is formed in the form of an adhesive tape so as to be attached to a battery, and a method of manufacturing the same.