Abstract: The present invention relates to an anticorrosive coating composition comprising an epoxy resin (a), a curing agent (b), an amide wax (c), and a liquid acrylic polymer (d) including a structural unit derived from an acrylate having an alkyl group of 4 to 18 carbon atoms. The anticorrosive coating composition of the present invention can form an anticorrosive coating film that is excellent adhesion to a metal substrate, anticorrosive properties and so on.

Abstract: The present invention relates to an anticorrosive coating composition for use in the formation of a coating film having a dry film thickness of 100 ?m or more comprising an epoxy resin (A), a curing agent (B), a silane coupling agent (C), an oxidized polyethylene wax (D), and an extender pigment (E), but substantially includes no fatty acid amide wax. The anticorrosive coating composition of the present invention can form an anticorrosive coating film that is excellent adhesion to a metal substrate, anticorrosive properties and so on.

Abstract: In one aspect, the invention has an object of providing antifouling coating compositions which have high resistance to fouling, in particular, fouling by slime, can form coating films with excellent properties such as strength and rubber properties, exhibit appropriate viscosity (sprayability and coating film surface leveling properties during spray coating) and sagging resistance, and have high storage stability suppressing deteriorations of these properties. To achieve the object, the invention provides an antifouling coating composition including (A) a diorganopolysiloxane having at least two silanol groups in the molecule, (B) an organosilane and/or a partial hydrolyzate condensate thereof having at least two hydrolyzable groups in the molecule, and (C) a pyrithione metal salt.

Abstract: [Problem] To provide a curable organopolysiloxane antifouling composite coating film obtained by using a urethane resin anticorrosive coating film excellent in curability instead of one or two organopolysiloxane intermediate coating film layers (Tie Coats) to layer an organopolysiloxane antifouling coating film excellent in both interlayer adhesiveness with the anticorrosive coating film and antifouling performance; and an antifouling substrate coated with the composite coating film. [Solution] An antifouling composite coating film, comprising a laminated urethane resin anticorrosive coating film and antifouling coating film, (I) the urethane resin anticorrosive coating film being formed from an anticorrosive paint composition comprising a main agent selected from the group consisting of polyols and glycidyl ethers, and an isocyanate curing agent, (II) the antifouling coating film being formed from a curable polysiloxane composition comprising specific components (a), (b), and (c).

Abstract: To provide a polyester resin for an antifouling coating material that has improved storage stability while maintaining low VOC, thereby allowing preparation in a one-pack form, and that allows increased curability to be achieved and can provide a satisfactory antifouling property and coating property for prolonged periods, as well as a method for producing it, and an antifouling coating material composition. The polyester resin for an antifouling coating material is obtained by reacting a (a) trihydric or greater alcohol, a (b) dibasic acid or its anhydride and a (c) divalent alcohol, and then further reacting with an (d) alicyclic dibasic acid or its anhydride.

Abstract: [Subject] Provided is a method of estimating a frictional resistance increase rate of a ship bottom coating film simply and quickly without individual differences.

Abstract: The antifouling coating composition according to the present invention includes a silylacrylic copolymer including a structural unit (1) derived from triisopropylsilyl methacrylate (i), a structural unit (2) derived from triisopropylsilyl acrylate (ii) and a structural unit (3) derived from a polymerizable monomer having a polymerizable double bond (iii), which excludes the above (i) and (ii), the silylacrylic copolymer satisfies specific requirements. Thus, an antifouling coating composition that is excellent in long-term storage stability and gives a coating film excellent in long-term antifouling properties and long-term water resistance can be provided.

Abstract: The object of the present invention is to provide a silicone-based copolymer which has excellent long-term antifouling property even in a dry-wet alternate portion of a ship and the like or a portion thereof near the surface of water, is excellent also in mechanical strength and recoatability and exhibits high antifouling performance even if an antifouling agent is not added, and an antifouling coating composition containing the copolymer.

Abstract: There is provided an antifouling coating composition capable of forming an antifouling coating film which has stable coating film consumption degree on ships, underwater structures and the like and which exhibits excellent antifouling property over a long term. The antifouling coating composition includes a hydrolyzable copolymer (A) and an antifouling agent (B), wherein the hydrolyzable copolymer (A) is, e.g., a metal salt bond-containing copolymer having a component unit derived from a monomer (a21) represented by the general formula (II): CH2?C(R2)—COO-M-O—CO—C(R2)?CH2??(II) [In the formula (II), M is zinc or copper, and R2 is a hydrogen atom or a methyl group], and a component unit derived from other unsaturated monomer (a22) copolymerizable with the monomer (a21), and wherein the antifouling agent (B) includes at least medetomidine.

Abstract: Antifouling coating compositions that do not substantially contain cuprous oxide and organotins, and that comprise: A) a metal-containing copolymer obtained by copolymerization of a polymerizable unsaturated monomer (a1) containing a metal and an unsaturated monomer (a2) capable of radical polymerization containing no metals; (B) 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one; and (C) a metal pyrithione compound.

Abstract: A high solid type paint composition comprising (A) a main component containing a semi-solid state bisphenol type epoxy resin (a1) wherein the epoxy equivalent weight of the epoxy resin is 250 to 300, and (B) a curing component containing an epoxy adduct of xylylenediamine (b1) and an epoxy adduct of polyamide (b2), wherein the epoxy adduct of polyamide (b2) is contained at 50 to 200 parts by weight per 100 parts by weight of the epoxy adduct of xyleylenediamine (b1 ). The anticorrosive coating composition is excellent in drying properties during coating, and capable of forming a coating film having excellent oil resistance, solvent resistance, chemical resistance and anticorrosive properties.

Abstract: A thin and highly transparent coating having excellent air tightness, adhesion to a substrate, lubricating properties, galling resistance, and corrosion resistance is formed on the surface of a metal substrate and particularly on the surface of a threaded joint which is used for connection of oil country tubular goods. A photocurable composition comprising (A) a photocurable (meth)acrylate resin, (B) a (meth)acrylate monomer selected from a monofunctional (meth)acrylate monomer and a difunctional (meth)acrylate monomer, (C) a trifunctional or higher multifunctional (meth)acrylate monomer, (D) a photopolymerization initiator, (E) a benzotriazole anticorrosive agent, (F) an anticorrosive pigment selected from a phosphate anticorrosive pigment and calcium ion-exchanged silica, and (G) a phosphate ester is used to form a photocured coating.

Abstract: To provide an antifouling coating composition which does not contain copper or any copper compound (e.g., cupric oxide) and therefore enables the production of an antifouling coating film that does not undergo discoloration or cracking caused by ultraviolet ray or moisture, can have a low VOC and long-term antifouling properties at high levels simultaneously, and has excellent mechanical strength. A two-part hydrolysable antifouling coating composition of the present invention comprises two liquids, i.e., a first component containing a polyester resin having a solid content acid value and a hydroxyl value of 50-200 mgKOH/g and 100 mgKOH/g or less, respectively, and having a viscosity of 500 mPa·s or less at 25° C.; and a second component in paste form containing a zinc oxide, and based on the total amount of the first and second components, the content of volatile organic compound is 400 g/L or less, and copper or any copper compound is not contained.

Abstract: There is provided an antifouling coating composition capable of forming an antifouling coating film which has stable coating film consumption degree on ships, underwater structures and the like and which exhibits excellent antifouling property over a long term. The antifouling coating composition includes a hydrolyzable copolymer (A) and an antifouling agent (B), wherein the hydrolyzable copolymer (A) is, e.g., a metal salt bond-containing copolymer having a component unit derived from a monomer (a21) represented by the general formula (II): CH2?C(R2)—COO-M-O—CO—C(R2)?CH2??(II) [In the formula (II), M is zinc or copper, and R2 is a hydrogen atom or a methyl group], and a component unit derived from other unsaturated monomer (a22) copolymerizable with the monomer (a21), and wherein the antifouling agent (B) includes at least medetomidine.

Abstract: Disclosed is an epoxy anticorrosive coating composition used for forming an epoxy anticorrosive coating film in an antifouling composite coating film comprising an epoxy anticorrosive coating film and an organopolysiloxane antifouling coating film which are laminated in order on a surface of a base, said epoxy anticorrosive coating composition comprising (A) an epoxy resin, (B) a curing agent for epoxy resins, and (C) a modifier which is either (i) a modifier comprising a hydroxyl group-containing petroleum resin (c1) or a hydroxyl group-containing terpenephenol resin (c2), or (ii) a modifier comprising a hydroxyl group-containing petroleum resin (c1) or a hydroxyl group-containing terpenephenol resin (c2) and a coumarone resin (c3).

Abstract: The object of the present invention is to provide a silicone-based copolymer which has excellent long-term antifouling property even in a dry-wet alternate portion of a ship and the like or a portion thereof near the surface of water, is excellent also in mechanical strength and recoatability and exhibits high antifouling performance even if an antifouling agent is not added, and an antifouling coating composition containing the copolymer.

Abstract: Disclosed is a tie coat which is formed on a surface of a base or an undercoating film prior to formation of an organopolysiloxane-based antifouling coating film and is formed from a moisture-curing organopolysiloxane-based composition comprising (b1) organopolysiloxane having condensing functional groups at both ends of a molecule and/or (b2) a curing composition formed by subjecting the component (b1) and an extender pigment to contact treatment with heating or without heating, as well as a composite coating film including the tie coat.

Abstract: A thin and highly transparent coating having excellent air tightness, adhesion to a substrate, lubricating properties, galling resistance, and corrosion resistance is formed on the surface of a metal substrate and particularly on the surface of a threaded joint which is used for connection of oil country tubular goods. A photocurable composition comprising (A) a photocurable (meth)acrylate resin, (B) a (meth)acrylate monomer selected from a monofunctional (meth)acrylate monomer and a difunctional (meth)acrylate monomer, (C) a trifunctional or higher multifunctional (meth)acrylate monomer, (D) a photopolymerization initiator, (E) a benzotriazole anticorrosive agent, (F) an anticorrosive pigment selected from a phosphate anticorrosive pigment and calcium ion-exchanged silica, and (G) a phosphate ester is used to form a photocured coating.

Abstract: [PROBLEM TO BE SOLVED] To provide an organopolysiloxane paint composition capable of forming an antifouling coating film having an excellent long-term antifouling property. [SOLUTION] A curable composition obtained by mixing: (A) 100 parts by weight of a reaction curable silicone rubber with: (B) 1 to 100 parts by weight of an organopolysiloxane mixture including a product obtained by an R2OH elimination reaction of: (B1) an organopolysiloxane represented by: (R2O)((R2O)2SiO)n-1Si(OR2)3 wherein n is an integer of 2 or more and R2 each is independently a monovalent hydrocarbon group, and (B2) an organopolysiloxane having at least one structure represented by: ?SiR3OH wherein R3 is a divalent hydrocarbon group, in a molecule.

Abstract: Modified asphalts have excellent dispersibility and compatibility with polar materials, are usable in applications including railroad track-filling materials, and are inexpensive. A modified asphalt includes an asphalt (A), a viscosity depressant (B) and a copolymer (C) containing a structural unit from a polyalkylene glycol allyl ether (c1), a structural unit from an unsaturated dicarboxylic acid and/or an acid anhydride thereof (c2), and a structural unit from an aromatic vinyl compound (c3).