[Problem] To provide a coating film which is capable of maintaining good water repellency and antifouling properties. [Solution] A photopolymerizable coating composition which contains, as photopolymerizable components, a urethane (meth)acrylate (component (a)) and a photopolymerizable (meth)acrylic compound (component (b)), and which is configured such that: from 1% by weight to 50% by weight (inclusive) of the component (a) and from 50% by weight to 99% by weight (inclusive) of the component (b) relative to the total amount of the photopolymerizable components are mixed; and the component (b) contains a photopolymerizable acrylic compound (component (b1)) which has a structural unit derived from a fluorosilsesquioxane derivative represented by formula (1), a reactive silicone (component (b2)) and a photopolymerizable acrylic compound (component (b3)) which has no urethane unit, no fluorine atom and no Si atom.

Both a coating composition comprising a thermosetting resin system and a kit for producing a coating composition using a thermosetting resin system are provided. The coating composition and the kit comprise graphene nanoplatelets, and one or more of a natural or a synthetic oil, silver nanoparticles, a copper powder, titanium nanoparticles, and sepiolite. In the coating composition of the invention and in the coating composition produced from the kit of the invention, the graphene nanoplatelets, natural oil or synthetic oil, silver nanoparticles, copper powder, titanium nanoparticles, and sepiolite are dispersed in the thermosetting resin system.

A composition that is easily applied, clear, well-bonded, and superhydrophobic is disclosed. In one aspect, the composition includes a hydrophobic fluorinated solvent, a binder comprising a hydrophobic fluorinated polymer, and hydrophobic fumed silica nanoparticles. Also disclosed is a structure including a substrate coated with the composition, as well as a method for making the composition and a method of coating a substrate with the composition.

A fouling-proof structure is applicable to synthetic leather or fabric and it includes an alcohol-resistant layer; and a water-based fouling-proof layer disposed on the alcohol-resistant layer, wherein the alcohol-resistant layer is formed by curing an alcohol-resistant combination, and the alcohol-resistant combination comprises polyurethane resin, wherein the water-based fouling-proof layer is formed by curing a water-based fouling-proof combination, and the water-based fouling-proof combination comprises polyurethane resin, water, polymerized siloxanes, water-based PTFE and silicone oil.

A method of producing a fouling-proof structure, comprising steps of a) coating an alcohol-resistant combination on a substrate and then drying the alcohol-resistant combination at 80-160 C. to form an alcohol-resistant layer; and b) coating a water-based fouling-proof combination on the alcohol-resistant layer and then drying the water-based fouling-proof combination above 140 C. to form a water-based fouling-proof layer, wherein the alcohol-resistant layer is formed by curing an alcohol-resistant combination, and the alcohol-resistant combination comprises polyurethane resin, wherein the water-based fouling-proof layer is formed by curing a water-based fouling-proof combination, and the water-based fouling-proof combination comprises polyurethane resin, water, polymerized siloxanes, water-based PTFE and silicone oil.

An object of the present invention is to provide a coating film that can be peeled in a sheet form, facilitates removal work and is less likely to be peeled even if used for a long period of time, and an undercoat layer-forming composition for forming an undercoat layer of the coating film. The present invention relates to an undercoat layer-forming composition for forming an undercoat layer of a coating film including the undercoat layer and an antifouling layer adhered to the undercoat layer, wherein the undercoat layer-forming composition comprises a base polymer and a silicone polymer, and a polar group-containing substituent is bonded to at least a part of the silicone polymer.

The present invention provides an antifouling coating film that exhibits suppressed elution of an organism repellent in exposure to a dynamic water flow in water and exhibits an antifouling property for a long time and a method of manufacturing the same, a water-contacting structure with an antifouling coating film, and an antifouling tape and a method of manufacturing the same, and relates to an antifouling coating film containing a binder (A) and an organism repellent (B), having a riblet structure on a surface thereof, the organism repellent (B) containing one or more kind selected from the group consisting of copper pyrithione, zinc pyrithione, 4-bromo-2-(4-chlorophenyl)-5-(trifluoromethyl)-1H-pyrrole-3-carbonitrile, and 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one, and a method of manufacturing the same.

Disclosed herein are a materials such as a coating, an elastomer, an adhesive, a sealant, a textile finish, a wax, and a filler for such a material, wherein the material includes an proteinaceous molecule such as a peptide and/an enzyme that confer a metal binding, an anti-fouling and/or an antibiotic property to the material. In particular, disclosed herein are marine coatings such as a marine paint that comprise an anti-fouling peptide sequence that reversibly binds a metal cation that is toxic to a fouling organism. Also disclosed herein are methods of reducing fouling on a surface by treating the surface with a metal binding peptide.

The present application discloses molecularly well-defined antibiofouling and polyionic coatings, materials and methods of use.

A coating composition is disclosed comprising: (i) a non-zwitterionic compound comprising sulfonate-functional groups and (a) alkoxysilane groups and/or (b) silanol-functional groups; (ii) alcohol and/or water; and (iii) a tetraalkoxysilane, oligomers thereof, lithium silicate, sodium silicate, potassium silicate, silica, or combinations thereof.