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. The application further discloses a) a method for the preparation of the self-polishing antifouling paint composition, comprising bringing solid particles consisting of one or more rosin constituents entrapped or encapsulated in a matrix in admixture with a binder system and one or more constituents selected from dyes, additives, solvents, pigments, fillers, fibres and anti-fouling agents, and any other suitable constituents to be included in either the binder phase or the pigment phase of paint compositions; b) a method for providing a self-polishing effect of a paint composition, the method comprising the step of incorporating into the paint composition the solid particles; and c) a marine structure.
Abstract:
An acrylate coating composition for forming an antifouling coat is provided. The composition comprises (a) a binder comprising a (meth)acrylate polymer, wherein said (meth)acrylate polymer is formed by polymerisation of a monomer mixture comprising an alkyl (meth)acrylate monomer, or mixture of alkyl (meth)acrylate monomers, wherein said alkyl (meth)acrylate monomer, or mixture of alkyl (meth)acrylate monomers are present in said monomer mixture in an amount of at least 90% by weight of said monomer mixture; (b) one or more non-reactive polyoxyalkylene-modified silicone oils; and optionally (c) one or more solvents. A non-erodible antifouling coat, based on such a coating composition, is also provided.
Abstract:
A coated structure with a monitoring system (1) comprises a base (2) having a base surface (3), a coating system comprising one or more layers of cured coat (4) providing protection against surface degradation and being joined to the base surface in a base interface (5) and extending in a thickness direction (6) to an outer coating surface (7), and at least one electrode (8, 9, 10, 11) made from a conductive material embedded in the coating system. The monitoring system is configured to generate an input signal in the at least one electrode and to read an output signal from the at least one electrode, and from the output signal, to determine cracking of the one or more layers of cured coat.
Abstract:
A printer configured for printing with conductive ink for applying a conductive pattern to a surface comprising a wheeling structure for moving the printer over the surface and a transfer unit for applying a layer of electrically conductive ink to the surface. To provide accurate printing with the ability to obtain fine tolerances, the transfer unit comprises a printing drum being rotatable about a printing drum axis and defining a printing drum periphery moving between a first zone and a second zone by rotation of the printing drum, wherein the printing drum periphery, in the first zone receives the conductive ink and in the second zone transfers the ink to the surface.
Abstract:
The present invention relates to coating compositions for wind turbine blades. The compositions are particularly useful as topcoats for wind blades and for Leading Edge Protection (LEP). The invention also relates to a wind blade coated with a coating composition of the invention and to a method for application of the coating composition and to a method for repairing and/or replacing the existing coating layer on a wind blade by application of a coating composition of the invention. The invention also relates to a kit of parts comprising the base composition and the curing agent used in the coating composition. The coating composition used for coating a wind blade comprises a base composition comprising a polyetheraspartic ester having the formula (I) below, wherein each R represents a linear or branched C 1 -C 10 alkyl residue, such as a linear or branched C 1 -C 6 alkyl residue, such as for example a methyl, ethyl, propyl or butyl residue; and wherein X is a polyether. The coating composition further comprises a curing agent.
Abstract:
The present application discloses a solvent-borne antifouling coating composition comprising an erodible non-silicone based binder system, one or more metal-containing biocides (like cuprous oxide, copper pyrithione (copper omadine), zinc pyrithione (copper omadine) and zinc-ethylenebis(dithiocarbamate) (Zineb)), and one or more poly(oxyalkylene)-modified alcohols. The application also discloses a marine structure comprising on at least a part of the outer surface thereof an outermost self-polishing antifouling coat or coating system.
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/m 2 of one or more poly(oxyalkylene)-modified alcohols and 2-35 g/m 2 of one or more biocides. Also, a corresponding marine structure and a silicone-based fouling-release coating composition are disclosed.
Abstract translation:本申请公开了一种基于聚硅氧烷的粘合剂基质的硅氧烷基防污涂层,其基于所述涂层的至少40重量%,其中大于65重量%的所述粘合剂基质由聚硅氧烷部分表示,并且包含 一种或多种聚(氧化烯)改性的醇,例如 聚(氧化烯)改性的甾醇和一种或多种杀生物剂。 此外,本申请公开了一种硅氧烷防污涂层系统,其中一个或多个涂层包含一种或多种聚(氧化烯)改性的醇,一种或多种包衣包含一种或多种杀生物剂,并且其中包含1 -20g / m 2的一种或多种聚(氧化烯)改性的醇和2-35g / m 2的一种或多种杀生物剂。 此外,公开了相应的海洋结构和硅氧烷防污涂料组合物。
Abstract:
The present application discloses a self-polishing antifouling coating composition comprising a) a base component comprising a pre-polymer which has at least one epoxy-functional group, and have side chain(s) bearing terminal group(s) of the formula I C(=O)-O- (SiR1R2O)n-SiR3R4R5, n = 0-5,000, and R1, R2, R3, R4 and R5 = C1-20-alkyl or optionally substituted phenyl; and b) a curing agent having at least one active hydrogen, e.g. those selected from amines, amine epoxy adducts and polymercaptans. The application also discloses i) corresponding kits comprising the antifouling paint composition; ii) a corresponding base component for an antifouling paint composition comprising an epoxy- functional pre-polymer having terminal group(s) of the general formula I; iii) a marine structure; iv) a method of coating a structure; and v) a method of coating a structure, comprising the steps of applying to at least a part of the structure thereof layer of the antifouling coating composition.
Abstract translation:本申请公开了一种自抛光防污涂料组合物,其包含:a)包含具有至少一个环氧官能团并且具有式IC的末端基团的侧链的预聚物的基础组分( = O)-O-(SiR 1 R 2 O)n -SiR 3 R 4 R 5,n = 0-5,000,R 1,R 2,R 3,R 4和R 5 = C 1-20 - 烷基或任选取代的苯基; 和b)具有至少一种活性氢的固化剂,例如。 选自胺,胺环氧加合物和聚硫醇的那些。 本申请还公开了i)包含防污漆组合物的相应试剂盒; ii)用于防污漆组合物的相应的基础组分,其包含具有通式I的端基的环氧官能预聚物; iii)海洋结构; iv)涂覆结构的方法; 和v)涂覆结构的方法,包括以下步骤:向其至少一部分结构的层上涂布防污涂料组合物。
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 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 μm.