Abstract: The present application discloses novel multilayer polysiloxane-based fouling control coating systems having in-chided therein active constituents like biocides and/or enzymes. Further, the polysiloxane-based layers may individually have in eluded as a part thereof hydrophilic oligomer/polymer moieties, and/or said may further comprising one or more hydrophilic-modified polysiloxane oils.

Abstract: The present application discloses novel multilayer polysiloxane-based fouling control coating systems having included therein active constituents like biocides and/or enzymes. Further, the polysiloxane-based layers may individually have included as a part thereof hydrophilic oligomer/polymer moieties, and/or said may further comprising one or more hydrophilic-modified polysiloxane oils.

Abstract: A method for improving a fluid dynamic profile and fouling properties of a marine vessel with a welding seam which forms a cap protruding above a surface being under the waterline of a vessel. The method comprising amending the welding seam by applying a fairing to the underwater surface, e.g. by use of filler. A vessel with a fairing, and a coating system for a vessel and including a fairing.

Abstract: The present application discloses novel multilayer polysiloxane-based fouling control coating systems having included therein active constituents like biocides and/or enzymes. Further, the polysiloxane-based layers may individually have included as a part thereof hydrophilic oligomer/polymer moieties, and/or said may further comprising one or more hydrophilic-modified polysiloxane oils.

Abstract: A method is provided for establishing a fouling-release coating system on a surface of a substrate, as well as the fouling-release coating system per se. The fouling-release coating composition which is used in the method comprises one or more sterically hindered amines, in particular 2,2,6,6-tetraalkyl piperidine derivatives.

Abstract: A method for improving a fluid dynamic profile and fouling properties of a marine vessel with a welding seam which forms a cap protruding above a surface being under the waterline of a vessel. The method comprising amending the welding seam by applying a fairing to the underwater surface, e.g. by use of filler. A vessel with a fairing, and a coating system for a vessel and including a fairing.

Abstract: The present application discloses a silicone-based fouling-release coat comprising a polysiloxane-based binder matrix constituting at least 40% by dry weight of said coat, wherein more than 65% by weight of said binder matrix is represented by polysiloxane parts, and comprising one or more poly(oxyalkylene)-modified alcohols, e.g. poly(oxyalkylene)-modified sterols, and one or more biocides. Further, the application discloses a silicone-based fouling-release coating system, wherein one or more coats comprises one or more poly(oxyalkylene)-modified alcohols, and one or more coats comprises one or more biocides, and wherein the coating system comprising 1-20 g/m2 of one or more poly(oxyalkylene)-modified alcohols and 2-35 g/m2 of one or more biocides. Also, a corresponding marine structure and a silicone-based fouling-release coating composition are disclosed.

Abstract: The present application discloses an enzyme-based self-polishing coating composition comprising a binder phase in the form of a binder system and a pigment phase, said pigment phase comprising (i) a polysaccharide and (ii) an enzyme capable of facilitating hydrolysis of said polysaccharide, said enzyme being immobilized on a carrier material, e.g. on the polysaccharide. The enzyme may be glucoamylase and the polysaccharide may be starch. A marine structure coated with the coating composition; a method for the preparation of the enzyme-based self-polishing coating composition; the use of the polysaccharide and the enzyme in a coating composition to provide self-polishing of said coating composition; and a method for providing a self-polishing effect of a coating composition are also disclosed.

Abstract: The present application discloses a silicone-based fouling-release coat comprising a polysiloxane-based binder matrix constituting at least 40% by dry weight of said coat, wherein more than 65% by weight of said the binder matrix is represented by polysiloxane parts, said binder matrix of said coat having included as a part thereof zwitterionic moieties and/or said coat comprising one or more zwitterionic compounds. In some embodiments, the coat further comprises one or more active ingredients selected from biocides and enzymes, in particular biocides. The application also relates to corresponding coating compositions (paints), coating systems and to the use of the combination of constituents having included one or more zwitterionic functionalities and one or more active ingredients selected from biocides and enzymes, for improving the antifouling properties of a polysiloxane based coating composition.

Abstract: The present application discloses novel multilayer polysiloxane-based fouling control coating systems having included therein active constituents like biocides and/or enzymes. Further, the polysiloxane-based layers may individually have included as a part thereof hydrophilic oligomer/polymer moieties, and/or said may further comprising one or more hydrophilic-modified polysiloxane oils.

Abstract: The present application discloses novel self-polishing antifouling paint compositions comprising: 30-80% by solids volume of the paint composition of a binder phase; 20-70% by solids volume of the paint composition of a pigment phase, said pigment phase including solid particles consisting of one or more rosin constituents (e.g. rosin, rosin derivatives or rosin-modified polymers) entrapped or encapsulated in a matrix (e.g. a silica such as a silica aerogel); and optionally one or more solvents.

Abstract: The present application discloses a fouling release cured paint coat comprising a polysiloxane-based binder matrix constituting at least 40% by dry weight of the coat, and one or more enzymes. The application further discloses a kit for preparing a fouling release coat, a coating composition comprising a polysiloxane-based binder system comprising one or more polysiloxane components modified with hydrophilic oligomer/polymer moieties, and one or more enzymes, and a coating composition comprising a polysiloxane-based binder system, 0.01-20% by dry weight of one or more hydrophilic-modified polysiloxane oils, and one or more enzymes.

Abstract: The present application discloses an enzyme-based self-polishing coating composition comprising a binder phase in the form of a binder system and a pigment phase, said pigment phase comprising (i) a polysaccharide and (ii) an enzyme capable of facilitating hydrolysis of said polysaccharide, said enzyme being immobilized on a carrier material, e.g. on the polysaccharide. The enzyme may be glucoamylase and the polysaccharide may be starch. A marine structure coated with the coating composition; a method for the preparation of the enzyme-based self-polishing coating composition; the use of the polysaccharide and the enzyme in a coating composition to provide self-polishing of said coating composition; and a method for providing a self-polishing effect of a coating composition are also disclosed.