Provided is a water-based coating composition capable of exhibiting high coating film performance even when cured at relatively low temperatures. Disclosed is a water-based coating composition including (A) a hydroxyl group-containing resin and (B) a hardener, wherein at least one type of (A) the hydroxyl group-containing resin is a hydroxyl group-containing acrylic resin particle (A1) having a core-shell structure containing a gradient polymer layer.

Provided is a water-based coating composition capable of exhibiting high coating film performance even when cured at relatively low temperatures. Disclosed is a water-based coating composition including (A) a hydroxyl group-containing resin and (B) a hardener, wherein at least one type of (A) the hydroxyl group-containing resin is a hydroxyl group-containing acrylic resin particle (A1) having a core-shell structure containing a gradient polymer layer.

Provided is a carbon nanotube water dispersion with which it is possible to form a conductive film that has excellent film strength and can cause a solar cell to display excellent conversion efficiency and reliability. The carbon nanotube water dispersion is for an electrode of a solar cell that includes an electrolyte solution containing a polar aprotic substance as a solvent and contains carbon nanotubes, a dispersant, a thickener, and water. The dispersant is soluble in the solvent and the thickener is insoluble in the solvent.

Provided is a carbon nanotube water dispersion with which it is possible to form a conductive film that has excellent film strength and can cause a solar cell to display excellent conversion efficiency and reliability. The carbon nanotube water dispersion is for an electrode of a solar cell that includes an electrolyte solution containing a polar aprotic substance as a solvent and contains carbon nanotubes, a dispersant, a thickener, and water. The dispersant is soluble in the solvent and the thickener is insoluble in the solvent.

The present invention relates to a coating process and a process system for a cable, and a cable manufactured thereby. The process includes: (1) providing the cable; (2) transporting the cable into immersion device, the cable immerged in first solution to form first coating layer thereon; (3) transporting the cable out of the immersion; (4) transporting the cable into coating device through third wire die, the cable immerged in second solution to form second coating layer thereon, the second layer is attached to the cable through the first layer; (5) transporting the cable out of the coating device through fourth wire die, fourth aperture diameter of the fourth wire die is larger than third aperture diameter of the third wire die; and (6) heating the cable to cure the second coating layer. The system includes: a cable providing device; an immersion device; a coating device; and a heating device.

The present invention relates to a coating process and a process system for a cable, and a cable manufactured thereby. The process includes: (1) providing the cable; (2) transporting the cable into immersion device, the cable immerged in first solution to form first coating layer thereon; (3) transporting the cable out of the immersion; (4) transporting the cable into coating device through third wire die, the cable immerged in second solution to form second coating layer thereon, the second layer is attached to the cable through the first layer; (5) transporting the cable out of the coating device through fourth wire die, fourth aperture diameter of the fourth wire die is larger than third aperture diameter of the third wire die; and (6) heating the cable to cure the second coating layer. The system includes: a cable providing device; an immersion device; a coating device; and a heating device.

Provided herein is a waterborne resin composition comprising: 1) at least one binder resin comprising a hydroxyl-functional polymer, a carboxyl-functional polymer, a polyol, an amino-functional polymer, a carboxamide, or combinations thereof; and 2) at least one thermosetting resin, wherein the thermosetting resin comprises at least one aminoplast resin; wherein the waterborne resin composition is acid catalyzed. The waterborne resin composition may be a two-part system. Also described is a waterborne coating composition comprising the waterborne resin composition disclosed herein. Further, a process for preparing the waterborne coating composition is also disclosed.

Provided herein is a waterborne resin composition comprising: 1) at least one binder resin comprising a hydroxyl-functional polymer, a carboxyl-functional polymer, a polyol, an amino-functional polymer, a carboxamide, or combinations thereof; and 2) at least one thermosetting resin, wherein the thermosetting resin comprises at least one aminoplast resin; wherein the waterborne resin composition is acid catalyzed. The waterborne resin composition may be a two-part system. Also described is a waterborne coating composition comprising the waterborne resin composition disclosed herein. Further, a process for preparing the waterborne coating composition is also disclosed.

A protective film substance for laser processing includes a solution including a water-soluble resin, an organic solvent, and a light absorbent. The solution has an absorbance, i.e., an absorbance converted for a solution diluted 200 times, equal to 0.05 or more per an optical path length of 1 cm at a wavelength of 532 nm. Alternatively, the protective film substance for laser processing includes a solution including a water-soluble resin, an organic solvent, and a polyhydroxyanthraquinone derivative.

A protective film substance for laser processing includes a solution including a water-soluble resin, an organic solvent, and a light absorbent. The solution has an absorbance, i.e., an absorbance converted for a solution diluted 200 times, equal to 0.05 or more per an optical path length of 1 cm at a wavelength of 532 nm. Alternatively, the protective film substance for laser processing includes a solution including a water-soluble resin, an organic solvent, and a polyhydroxyanthraquinone derivative.