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 application discloses a method for applying a fouling-release coating system to a surface, said surface suitably provided with an anticorrosive coat, and an article comprising a substrate, said substrate having a surface, preferably an anticorrosive coat on at least a part of the surface of said substrate and a tie-coat on said substrate. A curing agent composition comprising an amino-silane adduct comprising a high molecular weight amine, HMWA, as well as a tie-coat comprising said curing agent composition are also provided.

Abstract: The present invention relates to a method for the establishment of a crack resistant epoxy paint coat and paint compositions suitable for said method. The method is developed for use in ballast tanks e.g. a ballast tank of a vessel. The method involves the steps: (i) applying a paint composition comprising an epoxy-based binder system onto the surface thereby forming a curable paint film on the surface, and (ii) allowing the curable paint film to cure thereby forming the epoxy paint coat. The paint composition has a viscosity of at the most 140 KU, when ready to be applied. The paint composition comprises 35-80% by solids volume of the paint of an epoxy-based binder system having a ratio between the hydrogen equivalents and the epoxy equivalents in the range of 20:100 to 120:100. The paint composition furthermore comprises 0.5-30% by solids volume of the paint of one or more fibers. The fibers have an average length, of at the most 250 ?m.

Abstract: The present invention relates to a method for the establishment of a crack resistant epoxy paint coat and paint compositions suitable for said method. The method is developed for use in ballast tanks e.g. a ballast tank of a vessel. The method involves the steps: (i) applying a paint composition comprising an epoxy-based binder system onto the surface thereby forming a curable paint film on the surface, and (ii) allowing the curable paint film to cure thereby forming the epoxy paint coat. The paint composition has a viscosity of at the most 140 KU, when ready to be applied. The paint composition comprises 35-80% by solids volume of the paint of an epoxy-based binder system having a ratio between the hydrogen equivalents and the epoxy equivalents in the range of 20:100 to 120:100. The paint composition furthermore comprises 0.5-30% by solids volume of the paint of one or more fibers. The fibers have an average length, of at the most 250 ?m.

Abstract: The present invention relates to a method for the establishment of a crack resistant epoxy paint coat and paint compositions suitable for said method. The method is developed for use in ballast tanks e.g. a ballast tank of a vessel. The method involves the steps: (i) applying a paint composition comprising an epoxy-based binder system onto the surface thereby forming a curable paint film on the surface, and (ii) allowing the curable paint film to cure thereby forming the epoxy paint coat. The paint composition has a viscosity of at the most 140 KU, when ready to be applied. The paint composition comprises 35-80% by solids volume of the paint of an epoxy-based binder system having a ratio between the hydrogen equivalents and the epoxy equivalents in the range of 20:100 to 120:100. The paint composition furthermore comprises 0.5-30% by solids volume of the paint of one or more fibres. The fibres have an average length, of at the most 250 ?m.

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 control cured paint coat comprising a polysiloxane-based binder matrix, said binder matrix having included as a part thereof pendant hydrophilic oligomer/polymer moieties. The application further discloses a marine structure comprising on at least a part of the outer surface thereof an outermost coating of the cured paint coat. Moreover, the application discloses the use of a polysiloxane component modified with pendant hydrophilic oligomer/polymer moieties for improving the antifouling properties of a polysiloxane based coating composition.

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 a fouling control cured paint coat comprising a polysiloxane-based binder matrix and one or more biocides, said binder matrix having included as a part thereof hydrophilic oligomer/polymer moieties, wherein the weight ratio between the hydrophilic oligomer/polymer moieties and the one or more biocides is in the range 1:0.02 to :20, and wherein ?50% of the binder system is polysiloxane parts. The application further discloses a marine structure comprising on at least a part of the outer surface thereof an outermost coating of the cured paint coat. Moreover, the application discloses the use of the combination of one or more polysiloxane components modified with hydrophilic oligomer/polymer moieties and one or more biocides, wherein the weight ratio between the hydrophilic oligomer/polymer moieties and the one or more biocides is in the range 1:0.02 to :20, for improving the antifouling properties of a polysiloxane based coating composition.

Abstract: The present application discloses an acidic-stabilized alkyl silicate composition comprising 0.5-30% by solids volume of inorganic fibers, wherein the fibers have (i) an average length of 25-250 ?m and an average thickness of 1-50 ?m, and a ratio between the average length and the average thickness (aspect ratio) of at least 5; and (ii) a specific surface area (BET) of 0.01-6 m2/g. A corresponding acidic-stabilized alkyl silicate composition comprising zinc and inorganic fibers, wherein the zinc constitutes 50-95% by solids weight of the total composition, and the fibers constitutes 0.5-30% by solids volume of the non-zinc fraction of the composition, is also disclosed. The application further discloses a method for the establishment of a crack resistant alkyl silicate paint coat by applying one of the compositions to a metal surface.

Abstract: The present application discloses a fouling control coating composition comprising a polysiloxane-based binder system, 0.01-20% by dry weight of one or more hydrophilic-modified polysiloxanes, and one or more biocides. The hydrophilic-modified polysiloxane may be a poly(oxyalkylene)-modified polysiloxane, e.g. a polysiloxane having grafted thereto poly(oxyalkylene) chains and/or having incorporated in the backbone thereof poly(oxyalkylene) chains. The poly(oxyalkylene) may e.g. be selected from polyoxyethylene, polyoxypropylene and poly(oxyethylene-co-oxypropylene) (polyethylene glycols/polypropylene glycols). The application further discloses a marine structure comprising on at least a part of the outer surface thereof an outermost coating prepared from the coating composition.

Abstract: The present application discloses a wind turbine blade having on the outer surface thereof a polyurethane-based coating including a polyurethane binder prepared from polyol(s) having an average functionality of ?2.0 and <8.0; at least 50% (w/w) of the polyols have aliphatic polyester segments included therein and have a Mw of 300-3,000 g/mol; and polyisocyanate(s) having an average functionality of <3.0; at least 50% (w/w) of the polyisocyanate(s) are selected from: (i) polyisocyanates having aliphatic polyester segments included therein, and having a molecular weight of 500-3,000 g/mol and a functionality of ?2.0 and <3.0; (ii) polyisocyanates of the allophanate type having a Mw of 250-2,000 g/mol and a functionality of ?2.0 and <3.0; and (iii) polyisocyanates of the uretdion type having a Mw of 250-2,000 g/mol and a functionality of ?2.0 and <3.0. The application also discloses corresponding coating compositions and a method for coating a substrate.

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 invention relates to tie-coat compositions for fouling-release paint systems. The invention provides a method of coating a substrate with a coating composition comprising at least two types of functional polysiloxane compounds selected from epoxy-functional polysiloxanes, amino-functional polysiloxanes, and particular adhesion promoting agents of the polysiloxane type. The present invention also provides a substrate coated with such a composition and a composition particularly useful for said method. The binder phase may also comprise constituents of epoxy paint compositions, e.g. epoxy resins and amine curing agents. The compositions are particularly relevant in combination with diorganopolysiloxane-based fouling-release coatings and anticorrosive epoxy primer coatings.

Abstract: The present application discloses a condensation cure silicone RTV tie-coat composition comprising (i) a silanol-terminated polydiorganosiloxane, and (ii) 0.1-10% by wet weight of the total tie-coat composition of one or more adhesion promoters selected from the group consisting of bis(trialkoxysilylalkyl)amines and N,N?-bis(trialkoxysilylalkyl)alkylenediamines and optionally (iii) up to 30% by wet weight of the total tie-coat composition of one or more hydrolysable silanes. Further are disclosed a method of restoring a damaged foul release coating system area on a substrate and a method of applying a foul release coating system to a freshly applied substrate of anticorrosive coat, utilizing tie-coat composition.

Abstract: The present application discloses (i) a coating composition comprising a particulate zinc-based alloyed material, said material comprising 0.05-0.7% by weight of bismuth (Bi), the D50 of the particulate material being in the range of 2.5-30 ?m; (ii) a coated structure comprising a metal structure having a first coating of the zinc-containing coating composition applied onto at least a part of the metal structure in a dry film thickness of 5-100 ?m; and an outer coating applied onto said zinc-containing coating in a dry film thickness of 30-200 ?m; (iii) a particulate zinc-based alloyed material, wherein the material comprises 0.05-0.7% (w/w) of bismuth (Bi), and wherein the D50 of the particulate material is in the range of 2.

Abstract: The present invention relates to a method for the establishment of a crack resistant epoxy paint coat and paint compositions suitable for said method. The method is developed for use in ballast tanks e.g. a ballast tank of a vessel. The method involves the steps: (i) applying a paint composition comprising an epoxy-based binder system onto the surface thereby forming a curable paint film on the surface, and (ii) allowing the curable paint film to cure thereby forming the epoxy paint coat. The paint composition has a viscosity of at the most 140 KU, when ready to be applied. The paint composition comprises 35-80% by solids volume of the paint of an epoxy-based binder system having a ratio between the hydrogen equivalents and the epoxy equivalents in the range of 20:100 to 120:100. The paint composition furthermore comprises 0.5-30% by solids volume of the paint of one or more fibres. The fibres have an average length, of at the most 250 ?m.

Abstract: The present invention relates to tie-coat compositions for fouling-release paint systems. The invention provides a method of coating a substrate with a coating composition comprising at least two types of functional polysiloxane compounds selected from epoxy-functional polysiloxanes, amino-functional polysiloxanes, and particular adhesion promoting agents of the polysiloxane type. The present invention also provides a substrate coated with such a composition and a composition particularly useful for said method. The binder phase may also comprise constituents of epoxy paint compositions, e.g. epoxy resins and amine curing agents. The compositions are particularly relevant in combination with diorganopolysiloxane-based fouling-release coatings and anticorrosive epoxy primer coatings.