WO2014077205A1 - 防汚塗料組成物、防汚塗膜、防汚基材、および防汚塗料組成物の貯蔵安定性の改善方法 - Google Patents
防汚塗料組成物、防汚塗膜、防汚基材、および防汚塗料組成物の貯蔵安定性の改善方法 Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
- C09D183/06—Polysiloxanes containing silicon bound to oxygen-containing groups
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
- C09D5/1675—Polyorganosiloxane-containing compositions
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
- C08G77/16—Polysiloxanes containing silicon bound to oxygen-containing groups to hydroxyl groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0058—Biocides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/37—Thiols
- C08K5/372—Sulfides, e.g. R-(S)x-R'
- C08K5/3725—Sulfides, e.g. R-(S)x-R' containing nitrogen
Definitions
- the present invention relates to an organopolysiloxane antifouling paint composition, an antifouling coating film formed therefrom, and an antifouling substrate such as a ship or an underwater structure coated with the antifouling coating.
- the present invention also relates to a method for improving the storage stability of an organopolysiloxane antifouling coating composition which usually takes a multi-component form.
- Antifouling paint film formed from curable organopolysiloxane antifouling paint is compared with conventional antifouling paint film formed from hydrolyzable resin antifouling paint including metal acrylic resin and silyl ester resin In addition, it stably exhibits high antifouling performance over a long period of time, and the coating film constituents are less likely to elute into the sea, which is beneficial from the viewpoint of preventing environmental pollution.
- curable organopolysiloxane antifouling coatings exhibit high antifouling performance against the adhesion of macro organisms such as barnacles in the sea, but a film of bacterial secretions called slime adheres to them. There is a problem that it is easy, that is, the antifouling property (slime resistance) against slime is low.
- curable organopolysiloxane antifouling paints are difficult to satisfy in a good balance of atomization, coating surface leveling, and sagging resistance suitable for spraying work, and have stable physical properties before use. It is not easy to design a paint that can be maintained. In particular, it is strongly required to form a thick film with a small number of paintings in the case of ship exterior coating, where the workable time is limited, but the coating thickness and antifouling performance should be sufficient with existing paint. There is a problem that it is difficult to achieve with a small number of paintings.
- Patent Document 1 by the applicant of the present application discloses an organopolysiloxane antifouling coating excellent in both interlayer adhesion and antifouling performance with this anticorrosion coating directly on the surface of the epoxy resin anticorrosion coating. It is an object to provide a cured organopolysiloxane antifouling composite coating film obtained by laminating.
- the cured organopolysiloxane antifouling composite coating film proposed for this purpose was formed from an anticorrosion coating composition [i] containing [I] an epoxy resin (e1) and an amine curing agent for epoxy resin (e2).
- a cured organopolysiloxane-based antifouling composite coating comprising: (A) an organopolysiloxane having at least two condensation-reactive groups in one molecule; The main component containing (a1) and silica (a2), and (B) an organ having a functional group capable of undergoing a condensation reaction with the condensation reactive group of the organopolysiloxane (a1).
- a three-component curable organopolysiloxane comprising: a curing agent component containing silane and / or a partial hydrolyzate thereof (b1); and (C) a curing accelerator component containing a specific tin compound (ac). It is a composition.
- the cured organopolysiloxane antifouling composite coating film according to Patent Document 1 can be directly formed on the epoxy resin anticorrosion coating film, the coating can be completed in a short period of time, and a coating film having excellent antifouling properties can be formed.
- the sagging-preventing property of the coating film is lowered, and there is a problem that it is difficult to apply a thick film during the coating.
- the formed coating film is excellent in antifouling property and has an excellent anti-adhesion effect against macro-fouling such as barnacles and leafworms, but also has a problem that slime adhesion gradually proceeds.
- Patent Document 2 discloses an algae-proof condensation-curing organopolysiloxane composition that provides a durable algae-proof performance and provides excellent workability and water resistance, a coating method thereof, and a structure coated with the composition It is an issue to provide. Therefore, the algae-proof condensation-curable organopolysiloxane composition proposed for that purpose has (A) a base polymer having a hydroxyl group and / or a hydrolyzable group bonded to at least two silicon atoms in one molecule.
- x is an integer of 3 to 150.
- R 2 SiO 3/2 (wherein R 2 is a substitution of 6 to 12 carbon atoms) Or an unsubstituted aryl group or an alkaryl group) having 30 to 80% by mass of a siloxane block represented by an average unit formula of 3 to 150 silicon atoms and represented by the following formula (4): R 3 R 4 2 SiO 1/2 (wherein R 3 is a hydroxyl group or a hydrolyzable group) R 4 represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms which does not contain an aliphatic unsaturated group.) Organo in which at least a part of the molecular end is blocked with a unit represented by Blends polysiloxane block copolymer, (B) silane having two or more hydrolyzable groups in one molecule and / or partial hydrolysis condensate thereof, and (C) specific urea compound (algaeproofing
- Patent Document 2 describes that the coating film has resistance to algae growth, there is a problem that the coating film has insufficient resistance to slime adhesion in seawater. A ship covered with such a coating film is fouled by slime, impairing the function of the ship, and requires frequent cleaning.
- Patent document 3 makes it a subject to provide the mold-proof organopolysiloxane composition which hardens
- the proposed organopolysiloxane composition has (A) the general formula (1): HO [Si (R 1 ) 2 O] n H (where R 1 is a substituted or unsubstituted monovalent carbonization). And a plurality of R 1 s may be the same or different from each other, and n is an integer of 10 or more) and has a viscosity at 25 ° C. in the range of 25 to 500,000 cSt.
- Polysiloxane 100 parts by weight
- (B) General formula (2): (R 2 ) a Si [ON C (R 1 ) 2 ] 4-a (where R 1 has the same meaning as above, R 2 is a monovalent aliphatic hydrocarbon group, and a is 0 or 1.) Hydrolyzable organosilane and / or a partial hydrolyzate thereof: 0.1 to 30 parts by weight, (C) triazolyl Group-containing antifungal compound: 0.1 to 5 parts by weight, and (D) general Formula (3): (R 7 ) 3 SiO [Si (R 1 ) 2 O] m Si (R 7 ) 3 (wherein R 1 is the same as above, and R 7 is the same as R 1 , m is an integer greater than or equal to 0), and an organopolysiloxane having a viscosity at 25 ° C. of 1/200 to 2 times the viscosity of the component (A): 3 to 100 parts by weight.
- Patent Document 3 describes that the coating film has resistance to algae growth, there is a problem that resistance to slime adhesion in seawater is not sufficient. A ship covered with such a coating film deteriorates the function of the ship due to the progress of fouling by slime, and requires frequent cleaning.
- Patent document 4 by the applicant of the present application is excellent in balance with low viscosity, high thixotropy, etc., and can be thickened by a single coating, and the resulting cured coating film also has rubber strength, surface smoothness, etc. It is an object to provide a curable composition that is excellent in balance.
- a curable composition proposed for that purpose is a curable composition containing (A) an organopolysiloxane having a condensation-reactive functional group at both ends of a molecule and (B) hydrophobic silica, The hydrophobic silica (B) is heat-treated with the organopolysiloxane (A) and can be used as an antifouling coating composition.
- Patent Document 5 by the applicant of the present application is excellent in balance with low viscosity, high thixotropy, etc., can be thickened by a single coating, and the cured coating film obtained also has rubber strength, surface smoothness, etc. It is an object to provide a curable composition that is excellent in balance.
- the curable composition proposed for that purpose is (A) a part or all of the organopolysiloxane in which both ends of the molecule are hydroxyl groups or hydrolyzable groups, and (B) among hydrophobic silica and hydrophilic silica.
- Patent Document 6 includes a polysiloxane-based binder system, 0.01 to 20% by dry weight of one or more hydrophilic modified polysiloxanes, and one or more biocides.
- An adhesion inhibiting coating composition is disclosed.
- the hydrophilic modified polysiloxane include polysiloxanes in which poly (oxyalkylene) -modified polysiloxane is incorporated and / or grafted into the main chain.
- the coating composition according to Patent Document 6 is characterized by exhibiting antifouling properties by promoting exudation of a biocide with a hydrophilic modified polysiloxane.
- the hydrophilic modified polysiloxane has low compatibility with the polysiloxane which is the base resin system of the coating composition, and as a result, the coating formed from the coating composition has a poor adhesion to the base and a coating. There is a problem that the uniformity of the film appearance is easily affected by the coating conditions.
- JP 2007-245141 A Patent No. 5189773
- JP 2007-21111 A Patent No. 4711072
- Japanese Patent Laid-Open No. 10-046033 Japanese Patent Laid-Open No. 3407268
- Japanese Patent Laid-Open No. 2001-139816 Japanese Patent Laid-Open No. 4195537
- JP 2001-181509 A Patent No. 4519289
- WO2011 / 077686 Special Table 2013-515122
- the present invention has been made in order to solve the above-mentioned problems, and its object is to prevent the formation of a coating film having high antifouling properties (slime resistance) against slime and excellent in strength, rubber physical properties and the like. It is a soil coating composition having a suitable viscosity (atomization property and spray surface leveling property at the time of spray coating work) and sagging-preventing property, and further, storage stability with suppressed deterioration of those properties.
- the object is to provide a high antifouling paint composition.
- the present invention provides an antifouling coating film having high antifouling properties, particularly against slime, and excellent in strength, rubber physical properties, surface leveling properties, and the like, and an antifouling coating whose surface is coated with such an antifouling coating film. It aims at providing a soiling base material. It is another object of the present invention to provide a method for improving the storage stability of an organopolysiloxane antifouling coating composition stored as a multi-component kit.
- the present inventor has intensively studied the constitution of the antifouling paint in order to solve the above problems.
- anti-fouling against slime is achieved by compounding pyrithione metal salt into the component containing organopolysiloxane, which is generally called “main agent” in multi-component organopolysiloxane antifouling coating composition.
- main agent in multi-component organopolysiloxane antifouling coating composition.
- the present invention was completed by finding that an antifouling paint composition was obtained.
- the antifouling coating composition according to the present invention for solving the above problems is (A) a diorganopolysiloxane having at least two silanol groups in one molecule, and (B) at least two in one molecule. It contains an organosilane having a hydrolyzable group and / or a partially hydrolyzed condensate thereof, and (C) a pyrithione metal salt.
- the diorganopolysiloxane (A) is preferably represented by the general formula [I].
- each R 1 independently represents a hydrocarbon group having 1 to 6 carbon atoms, a is an integer of 1 to 3, and n is an integer of 5 to 1,000.
- the organosilane and / or its partial hydrolysis condensate (B) is preferably one represented by the general formula [II].
- the pyrithione metal salt (C) is preferably represented by the general formula [III].
- R 3 is independently hydrogen or an alkyl group having 1 to 6 carbon atoms, a cyclic alkyl group, an alkenyl group, an aryl group, an alkoxy group or a halogenated alkyl group, and M is Zn, Cu, Na , Mg, Ca, Ba, Fe, or Sr, and n is the valence of metal M.
- the weight average molecular weight of the diorganopolysiloxane (A) is preferably 500 to 1,000,000.
- the diorganopolysiloxane (A) is preferably partly or wholly heat-treated with silica in advance.
- the organosilane and / or its partial hydrolyzate (B) preferably has at least one of an oxime group, an acetyloxy group, and an alkoxy group as a hydrolyzable group.
- the antifouling coating composition further contains a curable catalyst (G).
- a kit for preparing an antifouling coating composition according to the present invention comprises a component containing the diorganopolysiloxane (A) and a pyrithione metal salt (C), and the organosilane and / or a partial hydrolysis condensate thereof.
- the component containing (B) is in the form of a multi-pack type packaged separately.
- the antifouling coating composition can be prepared by mixing the contents of each component of such a kit.
- the antifouling coating film according to the present invention is characterized by curing the antifouling coating composition.
- the antifouling substrate according to the present invention is characterized in that the above-mentioned antifouling coating composition is applied or impregnated on the substrate, and then the composition is cured.
- the base material is preferably an underwater structure or a ship.
- a method for producing an antifouling substrate according to the present invention comprises a step of applying or impregnating the antifouling coating composition to the substrate, and a step of curing the applied or impregnated composition.
- the method for improving the storage stability of an antifouling coating composition for solving the above-mentioned problems in another aspect of the present invention is a diorganopolysiloxane (A) having at least two silanol groups in one molecule. And a component containing organosilane having at least two hydrolyzable groups in one molecule and / or a partial hydrolysis condensate thereof (B) in a separately packaged multi-part form
- a kit for preparing an antifouling paint composition is characterized in that a pyrithione metal salt (C) is blended with the component containing the diorganopolysiloxane (A).
- the storage stability of the antifouling paint composition can be obtained by blending the pyrithione metal salt (C) with the component containing the diorganopolysiloxane (A).
- the present invention provides a method of using pyrithione metal salt (C) as an active ingredient for improving the properties, and uses of such pyrithione metal salt (C).
- the antifouling paint composition according to the present invention is excellent in atomization and coating surface leveling during spray coating because of its low viscosity, and at the same time has high anti-sagging properties, so it can be thickened by a single coating. As a result, the painting period can be shortened. Further, the above physical properties are not deteriorated by property changes during storage of the paint, which are likely to occur with conventional organopolysiloxane paint compositions. The above physical properties can be maintained, but can be improved in some embodiments. In this invention, the effect which suppresses the said physical property deterioration, ie, the effect which brings either the maintenance and improvement of the said physical property, is included in the improvement effect of storage stability.
- organopolysiloxane antifouling paints have an excellent anti-adhesion effect against macro-fouling such as barnacles and leafworms, it is important that they cannot prevent the adhesion of slime, which is a bacterial secretion.
- the coating film formed from the coating composition solved this problem, and various marine organisms were applied to antifouling substrates such as underwater structures or ship skins coated with the coating film. Can be prevented without impairing its function over a long period of time.
- the coating film excellent in coating-film strength, rubber physical properties, etc. can be obtained.
- the antifouling coating composition the antifouling coating film, the antifouling substrate, the method for improving the storage stability of the antifouling coating composition, and the like according to the present invention will be described in detail.
- the present invention is not limited to the following embodiments, and can be implemented with various modifications within the scope of the spirit thereof.
- the antifouling coating composition according to the present invention comprises a diorganopolysiloxane (A) having at least two silanol groups ( ⁇ Si—OH) in one molecule, and at least two hydrolyzable groups in one molecule.
- the organosilane and / or its partially hydrolyzed condensate (B), and the pyrithione metal salt (C) are contained.
- each component will be described in order.
- the diorganopolysiloxane (A) has at least two silanol groups in one molecule. Specifically, a compound represented by the following general formula [I] is preferable.
- each R 1 independently represents a hydrocarbon group having 1 to 6 carbon atoms, such as a linear or branched alkyl group such as a methyl group, an ethyl group or a propyl group, or cyclohexyl A cyclic alkyl group such as a group, preferably a methyl group.
- A is an integer of 1 to 3, preferably 1.
- n is an integer of 5 or more, preferably 100 to 1,000.
- the diorganopolysiloxane (A) preferably has a weight average molecular weight of 500 to 1,000,000, more preferably 5,000 to 100,000, and still more preferably 10,000 to 50,000.
- the viscosity at 23 ° C. is preferably 20 to 100,000 mPa ⁇ s, more preferably 100 to 10,000 mPa ⁇ s, and further preferably 500 to 5,000 mPa ⁇ s.
- the weight average molecular weight and the viscosity are in this range, it is preferable from the viewpoint of excellent manufacturing workability of the coating material, spray atomization property, coating film curability, and strength of the formed coating film.
- the diorganopolysiloxane (A) is usually contained in the antifouling coating composition containing a solvent and the like in an amount of 20 to 90% by weight, preferably 50 to 70% by weight. Further, it is contained in an amount of usually 30 to 95% by weight, preferably 60 to 90% by weight, based on 100% by weight of the solid content of the antifouling coating composition. When it is in this range, a coating film exhibiting good coating film strength and rubber elasticity can be formed, and an antifouling coating film exhibiting antifouling properties for a long time can be obtained.
- diorganopolysiloxane (A) can be used.
- DMS-S35 product of GELEST
- GELEST product of GELEST
- the antifouling coating composition of the present invention may contain silica together with the diorganopolysiloxane (A).
- the diorganopolysiloxane (A) is kneaded with silica before use, particularly during preparation of the component (main component) containing the diorganopolysiloxane in the multi-component antifouling coating composition. Also good.
- the silica used in the present invention includes hydrophilic silica (surface-treated silica) such as wet method silica (hydrated silica) and dry method silica (fumed silica, anhydrous silica), and hydrophobic wet silica and hydrophobic fume.
- surface-treated silica such as dosilica can be used. These types of silica may be used alone or in combination.
- the wet process silica is not particularly limited, but, for example, has an adsorbed water content of about 4 to 8%, a bulk density of 200 to 300 g / L, a primary particle diameter of 10 to 30 ⁇ m, and a specific surface area (BET surface area) of 10 m 2 / g or more. Can be used.
- the dry silica is not particularly limited, and for example, a silica having a water content of 1.5% or less, a bulk density of 50 to 100 g / L, a primary particle diameter of 8 to 20 ⁇ m, and a specific surface area of 10 m 2 / g or more can be used.
- Hydrophobic fumed silica is obtained by subjecting dry silica to a surface treatment with an organosilicon compound such as methyltrichlorosilane, dimethyldichlorosilane, hexamethyldisilazane, hexamethylcyclotrisiloxane, and octamethylcyclotetrasiloxane.
- Hydrophobic fumed silica has little moisture adsorption over time, and the moisture content is usually 0.3% or less, and in many cases 0.1 to 0.2%.
- Such hydrophobic fumed silica is not particularly limited, and for example, those having a primary particle diameter of 5 to 50 ⁇ m, a bulk density of 50 to 100 g / L, and a specific surface area of 10 m 2 / g or more can be used.
- the moisture adsorbed on the surface of the silica is physically reduced and removed by heat treatment with the above-described diorganopolysiloxane.
- the moisture content of the heat-treated hydrophobic fumed silica is usually 0.2% or less, preferably 0.1% or less, and more preferably 0.05 to 0.1%.
- Other physical property values such as bulk density remain the same as the hydrophobic silica before heat treatment.
- silica Such commercially available silica can be used. Examples thereof include “R974” and “RX200” manufactured by Nippon Aerosil.
- an antifouling paint composition containing silica together with diorganopolysiloxane particularly producing a multi-component antifouling paint composition containing a component (main component) containing diorganopolysiloxane kneaded with silica.
- a heat-treated product formed by previously heat-treating diorganopolysiloxane and silica or a mixture of this heat-treated product and non-heat-treated diorganopolysiloxane. This is because the silica is preheated together with a part or all of the diorganopolysiloxane to improve the affinity between the two components and to obtain effects such as suppressing silica aggregation.
- This heat treatment is performed, for example, under normal pressure or reduced pressure at a temperature of 100 ° C. or higher and below the decomposition temperature of the blended components, preferably 100 to 300 ° C., more preferably 140 to 200 ° C., usually for about 3 to 30 hours. do it.
- Silica is blended in the diorganopolysiloxane (A) in a proportion of usually 1 to 100% by weight, preferably 2 to 50% by weight, more preferably 5 to 30% by weight. If the amount of silica is less than the above range, sufficient film strength, film hardness and thixotropy may not be obtained, and a desired film thickness may not be obtained by a single coating, particularly spray coating, When the amount is more than the above range, the viscosity of the paint may be excessively high.
- the stability during preparation or storage of the resulting antifouling coating composition is increased, the fluidity and thixotropy are improved, and the thickness is sufficient for vertical coating surfaces, etc.
- the coating film can be formed with a small number of times of coating, and further effects such as excellent balance of physical properties such as hardness, tensile strength, and elongation of the obtained coating film can be obtained.
- Organosilane and / or its partial hydrolysis condensate is a compound represented by the following general formula [II] and / or its portion It is a hydrolysis condensate.
- R 2 independently represents a hydrocarbon group having 1 to 6 carbon atoms, such as a linear or branched alkyl group such as a methyl group, an ethyl group or a propyl group, a cyclohexyl group, etc.
- Y is independently a hydrolyzable group, such as oxime group, acetyloxy group, alkoxy group, acyloxy group, alkenyloxy group, iminoxy group, amino group, amide group, aminooxy Group etc. are mentioned, Preferably it is an alkoxy group.
- the oxime group preferably has a total carbon number of 1 to 10, and examples thereof include dimethyl ketoxime, methyl ethyl ketoxime, diethyl ketoxime, and methyl isopropyl ketoxime.
- the acetyloxy group is preferably an aliphatic group having 1 to 10 carbon atoms or an aromatic group having 6 to 12 carbon atoms, and examples thereof include an acetoxy group, a propyloxy group, a butyloxy group, and a benzoyloxy group. Can be mentioned.
- alkoxy group those having 1 to 10 carbon atoms are preferable, and one or more oxygen atoms may be interposed between carbon atoms.
- methoxy group, ethoxy group, propoxy group, butoxy group, methoxy group An ethoxy group, an ethoxyethoxy group, etc. are mentioned.
- the acyloxy group is preferably an aliphatic group or an aromatic group represented by the formula: RCOO— (wherein R is an alkyl group having 1 to 10 carbon atoms and an aromatic group having 6 to 12 carbon atoms). , Acetoxy group, propionoxy group, butyroxy group, benzoyloxy group and the like.
- the alkenyloxy group is preferably one having 3 to 10 carbon atoms, and examples thereof include an isopropenyloxy group, an isobutenyloxy group, and a 1-ethyl-2-methylvinyloxy group.
- a ketoxime group a dimethyl ketoxime group, a methyl ethyl ketoxime group, a diethyl ketoxime group, A cyclopentanoxime group, a cyclohexanoxime group, etc. are mentioned.
- amino group those having 1 to 10 carbon atoms are preferable.
- amide group those having 2 to 10 carbon atoms are preferable, and examples thereof include an N-methylacetamide group, an N-ethylacetamide group, and an N-methylbenzamide group.
- the aminooxy group preferably has 2 to 10 carbon atoms in total, and examples thereof include N, N-dimethylaminooxy group and N, N-diethylaminooxy group.
- D is an integer from 0 to 2, preferably 0.
- organosilanes can be used on the market.
- ethyl silicate 28 manufactured by Colcoat Co.
- normal ethyl silicate manufactured by Tama Chemical Industries
- silicate 40 manufactured by Tama Chemical Industries
- alkyltrialkoxysilane include “KBM-13” (manufactured by Shin-Etsu Chemical).
- the organosilane having at least two hydrolyzable groups per molecule and / or its partially hydrolyzed condensate (B) is 0.1 to 50% by weight in the antifouling coating composition containing a solvent or the like. In general, it is added in an amount of 1 to 30% by weight, preferably 3 to 15% by weight. When it is in this range, the curing rate of the coating composition can be appropriately maintained, and the coating film obtained by curing can exhibit excellent coating strength and rubber properties.
- pyrithione metal salt (C) is 1 type, or 2 or more types of mixtures selected from the compound represented by the following general formula [III].
- each R 3 is independently hydrogen; an alkyl group having 1 to 6 carbon atoms, for example, a linear or branched alkyl group such as a methyl group, an ethyl group, or a propyl group; a cyclohexyl group, etc.
- An alkenyl group such as a vinyl group; an aryl group such as a phenyl group; an alkoxy group having 1 to 6 carbon atoms, such as a methoxy group, an ethoxy group, a propoxy group; or an alkyl halide having 1 to 6 carbon atoms
- a group for example a trifluoromethyl group, preferably hydrogen.
- M represents a metal of Zn, Cu, Na, Mg, Ca, Ba, Fe, or Sr, preferably Zn or Cu.
- n is the valence of the metal M, and n is preferably 2.
- the pyrithione metal salt (C) can be used in an amount of 0.1 to 50% by weight in an antifouling coating composition containing a solvent or the like, but is usually 1 to 30% by weight, preferably 3 to 20% by weight. More preferably, it is 5 to 15% by weight.
- the pyrithione metal salt (C) is usually contained in an amount of 1 to 40% by weight, preferably 3 to 25% by weight, in the dry coating film. Further, the pyrithione metal salt (C) is usually used in an amount of 1 to 80% by weight, preferably 8 to 30% by weight, based on the diorganopolysiloxane (A).
- the ether-modified organopolysiloxane is usually 30 to 100,000% by weight, preferably 150 to 10,000% by weight, more preferably 600 to 5,000% by weight.
- the pyrithione metal salt (C) functions as an active ingredient for improving storage stability together with an active ingredient for antifouling property having excellent slime resistance in the antifouling coating composition according to the present invention.
- the forming ability is changed to a more suitable one.
- maintaining appropriate coating film forming ability means that the paint exhibits a low viscosity and good spray workability, and at the same time has good anti-sagging properties and enables thick film coating.
- This means that the coating is thicker and the coating becomes thicker. There is no practical problem even if the viscosity is increased as long as it does not adversely affect the spray workability and the sagging prevention property (thick film coating property).
- the antifouling paint composition according to the present invention comprises a diorganopolysiloxane (A), an organosilane having two or more hydrolyzable groups in one molecule and / or a partial hydrolysis condensate thereof (B), and a pyrithione metal.
- A diorganopolysiloxane
- B an organosilane having two or more hydrolyzable groups in one molecule and / or a partial hydrolysis condensate thereof (B), and a pyrithione metal.
- salt (C) silicone oil (D), filler (E), anti-sagging, anti-settling agent (F), curable catalyst (G), silane coupling agent (H), other than component (C)
- silicone oil (D) Silicone oil
- the silicone oil (D) is preferably one that bleeds out from the cured antifouling paint.
- silicone oil (D) include phenyl-modified organopolysiloxanes represented by the following formula [IV].
- R 4 each independently represents an alkyl group having 1 to 10 carbon atoms, an aryl group, an aralkyl group or a fluoroalkyl group, provided that at least one of R 4 is a phenyl group, and n Represents an integer of 0 to 150.
- the silicone oil represented by the formula [IV] has a weight average molecular weight of usually 180 to 20,000, preferably 1,000 to 10,000, and usually has a viscosity at 23 ° C. 20 to 30,000 mPa ⁇ s, preferably 50 to 3,000 mPa ⁇ s.
- silicone oil represented by the above formula [IV] for example, methyl phenyl silicone oil in which a part of methyl groups of dimethyl silicone oil in which R 4 is all methyl groups is substituted (modified) with a phenyl group. Is preferred.
- methylphenyl silicone oil examples include “KF-54”, “KF-56”, “KF-50” (manufactured by Shin-Etsu Chemical Co., Ltd.), “SH510”, “SH550” (manufactured by Toray Dow Corning), “ Examples include those marketed under trade names such as “TSF431” (manufactured by Toshiba Silicone).
- the silicone oil (D) is contained in the antifouling coating composition containing a solvent and the like in a total amount of preferably 0.1 to 50% by weight, more preferably 3 to 20% by weight.
- a solvent and the like in a total amount of preferably 0.1 to 50% by weight, more preferably 3 to 20% by weight.
- organic pigments include carbon black, phthalocyanine blue, and bitumen.
- Inorganic pigments include neutral and non-reactive pigments such as titanium white (titanium oxide), bengara, barite powder, silica, talc, chalk and iron oxide powder; zinc white (ZnO, zinc oxide), lead Examples include basic (active pigments) that are basic and reactive with acidic substances in the paint, such as white, red lead, zinc dust, and lead oxide powder.
- fillers include metal oxides such as diatomaceous earth and alumina; metal carbonates such as calcium carbonate, magnesium carbonate and zinc carbonate; other, asbestos, glass fiber, quartz powder, aluminum hydroxide, gold powder, silver powder, surface Examples thereof include treated calcium carbonate and glass balloon. Moreover, you may use what surface-treated these surfaces with the silane compound. Any one of these fillers may be used alone, or two or more thereof may be used in combination. These fillers can also contain various colorants such as dyes.
- the strength of the coating film can be improved, and by concealing the undercoating film, deterioration of the undercoating film due to ultraviolet light can be prevented.
- the blending amount of the filler (E) is preferably 0.1 to 30% by weight in the antifouling coating composition containing a solvent and the like.
- Anti-sagging, anti-settling agent (fading agent) include ether-modified organopolysiloxane, organoclay wax (stearate salt of Al, Ca, Zn, lecithin salt, alkyl sulfonate, etc.), organic type Wax (polyethylene wax, polyethylene oxide wax, amide wax, polyamide wax, hydrogenated castor oil wax, etc.), a mixture of organic clay wax and organic wax, synthetic fine silica, etc., among them ether-modified organopolysiloxane and Synthetic finely divided silica is preferred.
- organoclay wax stearate salt of Al, Ca, Zn, lecithin salt, alkyl sulfonate, etc.
- organic type Wax polyethylene wax, polyethylene oxide wax, amide wax, polyamide wax, hydrogenated castor oil wax, etc.
- synthetic fine silica is preferred.
- ether-modified organopolysiloxane those represented by the following formula [V] can be used.
- R 5 s are independently of each other a hydrogen atom; an alkyl group, aryl group or aralkyl group each having 1 to 10 carbon atoms; a hydroxyl group; a hydrolyzable group Y; or a hydroxyl group at the end, —SiR x Y (3-x) groups (x is 0 to 2), straight, branched or alicyclic hydrocarbons each having an ether group optionally blocked with an alkyl or acyl group having 1 to 6 carbon atoms Indicates a chain.
- R 5 is terminated with a hydroxyl group, a —SiR x Y (3-x) group (x is 0 to 2), an alkyl group having 1 to 6 carbon atoms, or an acyl group. It is a straight chain, branched chain, or alicyclic hydrocarbon chain having an ether group.
- the hydrolyzable group Y has the same meaning as the formula [II]. n is an integer of 1 or more.
- ether-modified organopolysiloxane examples include “FZ-2191” (alkylene glycol-modified silicone oil, Toray Dow Corning), “FZ-2101” (alkylene glycol-modified silicone oil, Toray Dow Corning), “ Products such as “X-22-4272” (terminal hydroxyl blocking / alkylene glycol-modified silicone oil, Shin-Etsu Chemical Co., Ltd.), “BY16-839” (alicyclic epoxy-modified silicone oil, Toray Dow Corning) Can be used.
- ether-modified organopolysiloxane those having a viscosity at 23 ° C. of 100 to 10,000 mPa ⁇ s are usually used.
- the anti-sagging and anti-settling agent (F) can be added to improve the anti-sagging property of the coating film.
- the amount is excessive, the adhesiveness decreases, the paint atomization decreases, It may cause deterioration of the leveling property of the film. Therefore, the blending amount of the anti-sagging and anti-settling agent (F), particularly the ether-modified organopolysiloxane represented by the formula [V], which is a typical example thereof, is usually 0 in the antifouling coating composition containing a solvent or the like. 0.01 to 10% by weight, preferably 0.1 to 3% by weight, and usually 0.01 to 10% by weight, preferably 0.1 to 3% by weight in the dry coating film.
- the curable catalyst (G) is a catalyst for accelerating the curing reaction between the diorganopolysiloxane (A) and the organosilane and / or its partially hydrolyzed condensate (B).
- a curable catalyst (G) for example, those described in JP-A-4-106156 (Japanese Patent No. 2522854) can be suitably used.
- tin carboxylates such as tin naphthenate and tin oleate; dibutyltin diacetate, dibutyltin acetoacetonate, dibutyltin dioctoate, dibutyltin dilaurate, dibutyltin dioleate, dibutyltin oxide, dibutyltin dimethoxide, Dibutyltin dipentoate, dibutyltin dineodecanoate, dioctyltin dineodecanoate, bis (dibutyltin laurate) oxide, dibutylbis (triethoxysiloxy) tin, bis (dibutyltin acetate) oxide, dibutyltin bis (ethylmalate) and Tin compounds such as dioctyltin bis (ethyl malate); tetraisopropoxy titanium, tetra-n-butoxy titanium,
- Formation of a coating film can be promoted by blending the curable catalyst (G), and a dry coating film can be obtained more quickly.
- the blending amount of the curable catalyst (G) is usually 10% by weight or less, preferably 1% by weight or less in the antifouling coating composition containing a solvent and the like, and the lower limit when using the catalyst is preferably 0.001% by weight, more preferably 0.01% by weight.
- silane coupling agent (H) is a kind of a group such as an alkoxysilyl group, an amino group, an imino group, an epoxy group, a hydrosilyl group, a mercapto group, an isocyanate group, or a (meth) acryl group.
- Silane coupling agents containing two or more types are preferred, and those having amino groups are particularly preferred.
- silane coupling agent having an amino group examples include 3- (2-aminoethyl) aminopropyltrimethoxysilane, 3-aminopropyltrimethoxysilane, 3-aminopropyltriethoxysilane, 3- (2- (2- Aminoethyl) aminoethyl) aminopropyltrimethoxysilane and the like.
- Other silane coupling agents include, for example, 3-glycidoxypropylmethyldimethoxysilane, vinyltrimethoxysilane, vinyltriethoxysilane, 3-mercaptopropyltrimethoxysilane, N-phenylpropyltrimethoxysilane, N-phenylpropylene. Lutriethoxysilane and the like can also be mentioned.
- a mixture of a plurality of these silane coupling agents may be used.
- adhesion to the undercoat film or the substrate can be made stronger, or the strength of the antifouling paint film can be improved.
- the amount of the silane coupling agent (H) is preferably 0.01 to 1% by weight in the antifouling coating composition containing a solvent and the like.
- the antifouling agent (I) may be either inorganic or organic as long as it is an antifouling agent other than the pyrithione metal salt (C).
- a conventionally well-known thing can be used as an inorganic type antifouling agent, However, Among these, copper, a cuprous oxide, copper thiocyanate, and an inorganic copper compound are preferable.
- organic antifouling agents include tetramethylthiuram disulfide, carbamate compounds (eg, zinc dimethyldithiocarbamate, manganese-2 ethylenebisdithiocarbamate), 2,4,5,6-tetrachloroisophthalonitrile and the like. be able to.
- the antifouling agent (I) any one type may be used alone, or a plurality of types may be used in combination.
- the antifouling property of the formed coating film in the sea can be further improved.
- the blending amount of the antifouling agent (I) is preferably 0.1 to 30% by weight in the antifouling coating composition containing a solvent and the like.
- coating-film formation components other than organopolysiloxane (A) etc. can be used in the range which is not contrary to the objective of this invention.
- Such “other coating film forming components” include acrylic resin, acrylic silicone resin, unsaturated polyester resin, fluororesin, polybutene resin, silicone rubber, urethane resin (rubber), polyamide resin, vinyl chloride copolymer resin, chloride Rubber (resin), chlorinated olefin resin, styrene / butadiene copolymer resin, ethylene-vinyl acetate copolymer resin, vinyl chloride resin, alkyd resin, coumarone resin, trialkylsilyl acrylate (co) polymer (silyl resin), Examples thereof include difficult or non-water-soluble resins such as petroleum resins.
- the strength of the formed coating film can be improved by blending the other coating film forming component (J).
- the blending amount of the other coating film forming component (J) is preferably 0.1 to 30% by weight in the antifouling coating composition containing a solvent and the like.
- inorganic dehydrating agent (K) examples include anhydrous gypsum (CaSO 4 ), synthetic zeolite-based adsorbent (trade name: molecular sieve, etc.), silicates, and the like, and anhydrous gypsum and molecular sieve are preferred. Used. Such inorganic dehydrating agents can be used alone or in combination.
- the inorganic dehydrating agent (K) also functions as a stabilizer, and by blending this component, deterioration due to moisture in the antifouling coating composition can be prevented, and the storage stability can be further improved.
- the amount of the inorganic dehydrating agent (K) is preferably 0.1 to 10% by weight in the antifouling coating composition containing a solvent and the like.
- flame retardant examples include antimony oxide and paraffin oxide.
- (M) Thixotropic imparting agent examples include polyethylene glycol, polypropylene glycol, and derivatives thereof.
- thermal conductivity improver examples include boron nitride and aluminum oxide.
- the antifouling paint composition according to the present invention is usually provided as a multi-component paint comprising two or more components. Each of these components (each liquid) contains one or more components, and after being individually packaged, stored and stored in a container such as a can.
- the antifouling paint composition is prepared by mixing and stirring the contents of these components during painting. That is, in one aspect, the present invention provides a kit comprising the above components for preparing the antifouling coating composition according to the present invention.
- the component containing organopolysiloxane which is the main component of the binder resin of the antifouling coating composition, is referred to as “main agent” and reacts with the organopolysiloxane.
- the component containing the compound to be cross-linked is referred to as a “curing agent”, and the component containing a compound that reacts with any of the compounds contained in the main component component and the curing agent component such as a silane coupling agent is referred to as an “additive”. ".
- the antifouling coating composition according to the present invention may be manufactured in a two-part form comprising such a main component (X) and a curing agent component (Y), and is optional.
- a main component (X) a curing agent component
- Y a curing agent component
- the silane coupling agent (H) When the silane coupling agent (H) is contained as a component, it may be produced in a three-component form consisting of a main component (X), a hardener component (Y) and an additive component (Z). .
- the main component (X) in the present invention contains a diorganopolysiloxane (A) having at least two Si—OH (silanol) groups in one molecule, a pyrithione metal salt (C), and other optional components. .
- A diorganopolysiloxane
- C pyrithione metal salt
- part or all of the diorganopolysiloxane (A) blended in the main component (X) may be a heat-treated product with silica.
- silicone oil (D) represented by phenyl-modified organopolysiloxane, sagging prevention represented by ether-modified organopolysiloxane, anti-settling agent (F), Fillers represented by pigments (E), antifouling agents (I) other than pyrithione metal salts (C), other film forming components (J), inorganic dehydrating agents (K), flame retardants (L), thixotropy
- silicone oil (D) represented by phenyl-modified organopolysiloxane
- sagging prevention represented by ether-modified organopolysiloxane
- anti-settling agent (F) Fillers represented by pigments (E), antifouling agents (I) other than pyrithione metal salts (C), other film forming components (J), inorganic dehydrating agents (K), flame retardants (L), thixotropy
- M property-imparting agent
- N heat conduction improver
- the main component (X) may contain a solvent as necessary.
- a solvent conventionally known solvents such as aliphatic, aromatic, ketone, ester, ether, and alcohol can be used.
- aromatic solvent include xylene and toluene.
- ketone solvent include methyl isobutyl ketone (MIBK) and cyclohexanone.
- the ether solvent include propylene glycol monomethyl ether. , Propylene glycol monomethyl ether acetate (PGMAC) and the like
- examples of the alcohol solvent include isopropyl alcohol and the like.
- Such a solvent is preferably used in an amount of 0 to 50% by weight with respect to the antifouling paint composition, for example, so that the viscosity of the obtained antifouling paint composition is suitable in terms of coating properties.
- the curing agent component (Y) in the present invention is reactive with an organosilane having at least two hydrolyzable groups in one molecule and / or its partially hydrolyzed condensate (B), and components contained in the main agent. Contains an optional component having a high value.
- Optional components that can be blended in the curing agent component (Y) include a curable catalyst (G), a silicone oil (D) typified by phenyl-modified organopolysiloxane, and a sagging stop typified by ether-modified organopolysiloxane. , Anti-settling agent (F) and the like.
- Silicone oil (D) typified by phenyl-modified organopolysiloxane, and anti-sagging and anti-settling agent (F) typified by ether-modified organopolysiloxane are main component (X) and curing agent component (Y). Any component may be incorporated as long as it does not cause undesirable reactions with other ingredients.
- the additive component (Z) in the present invention includes an optional component that is highly reactive with the components contained in the main component (X) and the hardener component (Y).
- optional components include silane coupling agents (H).
- the antifouling paint composition according to the present invention comprises, for example, each component constituting a multi-component antifouling paint, that is, each component of the kit as described above (the contents of the packaging) and, if necessary, according to a conventional method. It is obtained by adding further optional components sequentially or simultaneously and mixing them.
- the method for producing an antifouling substrate according to the present invention includes a step of applying or impregnating the antifouling coating composition according to the present invention as described above to a substrate, and a step of curing the applied or impregnated composition. .
- the substrate is applied or impregnated by spraying or other means, and left in a normal temperature atmosphere for about 0.5 to 3 days or forced to blow under heating.
- an antifouling substrate having an antifouling coating film formed on the surface can be produced.
- the film thickness of the antifouling coating film after curing may be set to a desired thickness depending on the application, but the antifouling coating composition is usually 30 to 400 ⁇ m / times, preferably 30 to 200 ⁇ m / time, for example, An antifouling coating film having excellent antifouling performance can be obtained by applying the coating at 30 to 150 ⁇ m / time and then curing it once to multiple times and setting the film thickness after curing to, for example, 150 to 1000 ⁇ m.
- the antifouling paint composition according to the present invention protects the surface of a substrate in contact with seawater or fresh water from adhesion of marine organisms in a wide range of industrial fields such as power generation, harbor / civil engineering construction, and shipbuilding (shipbuilding or repair). It can be used to maintain the original function of the substrate over a long period of time.
- base materials include, for example, ships (shipboards, etc.), fishing materials (ropes, fishing nets, fishing gear, floats, buoys, etc.), underwater structures such as thermal and nuclear power plants, and seawater use Examples include equipment (seawater pumps, etc.), mega floats, gulf roads, submarine tunnels, harbor facilities, sludge diffusion prevention membranes for various civil engineering works such as canals and waterways.
- the antifouling paint composition according to the present invention has an excellent balance between low viscosity and high thixotropy, the coating workability is good, and at the same time, it is possible to form a relatively thick film even by a single coating. Yes, whereby a coating film excellent in coating film strength, surface smoothness, etc. can be formed.
- an antifouling coating composition is cured after being applied once or optionally a plurality of times in accordance with a conventional method, the antifouling property is excellent, and even if thickly applied, it has moderate flexibility and crack resistance.
- An antifouling substrate such as a ship or an underwater structure coated with an excellent antifouling coating film can be obtained.
- conventionally known painting means such as brushes, rolls, sprays, dip coaters and the like can be widely used.
- the organopolysiloxane antifouling paint composition according to the present invention Has suitable characteristics for spray coating.
- the antifouling coating film formed from the antifouling coating composition according to the present invention has a low surface free energy as a characteristic similar to general organopolysiloxane, and therefore can suppress adhesion of various aquatic organisms. Even if they are attached, aquatic organisms can be easily detached due to the resistance of seawater or fresh water.
- an antifouling agent such as pyrithione metal salt (C) can be slowly released over a long period of time from the antifouling coating film formed from the antifouling coating composition according to the present invention.
- the surface of the antifouling substrate of the present invention is coated with such an antifouling coating film, aquatic organisms such as aosa, barnacles, aonori, cell plastic, oysters, leafworms, etc. In addition, it can exhibit an excellent antifouling effect against slime and has a low environmental impact.
- the antifouling paint composition according to the present invention may be applied or impregnated directly on the substrate.
- the antifouling paint composition according to the present invention is also applied to a base material whose material is fiber reinforced plastic (FRP), steel, wood, aluminum alloy, etc., such as a water supply / drain port of a nuclear power plant, a mega float, and a ship Products can be prepared so that the adhesion to the surface of these substrates (materials) is good.
- FRP fiber reinforced plastic
- the target substrate to which the antifouling paint composition according to the present invention is applied may have a coating film already formed on the surface. That is, the antifouling coating composition according to the present invention may be applied to the surface of a base material such as a ship or an underwater structure to which a base material (undercoat) such as a rust preventive agent or primer has been applied in advance. Furthermore, the surface of a base material such as a ship that has already been coated with a conventional antifouling paint or that has been coated with the antifouling paint composition of the present invention, particularly an FRP ship or an underwater structure, The antifouling paint composition of the present invention may be overcoated for repair.
- the kind of coating film which the antifouling paint composition according to the present invention directly contacts is not particularly limited, as in the case of applying a general organopolysiloxane antifouling paint, for example, epoxy resin, urethane resin And a coating film formed from a paint mainly composed of a silicone resin or the like.
- the antifouling paint composition according to the present invention can be prepared such that the adhesion of the coating film to the surface is good.
- the method for improving the storage stability of an antifouling coating composition according to the present invention comprises a component containing a diorganopolysiloxane (A) having at least two silanol groups in one molecule, and at least two in one molecule.
- a kit for preparing an antifouling coating composition in which a component containing an organosilane having a hydrolyzable group and / or a component containing the partially hydrolyzed condensate (B) thereof is separately packaged in a multi-component form
- a pyrithione metal salt (C) is blended with the component containing the diorganopolysiloxane (A).
- the pyrithione metal salt (C) functions as an active ingredient for improving the storage stability of the antifouling coating composition.
- the storage stability is improved when the diorganopolysiloxane (A) contained in the main component (X) of the antifouling coating composition, particularly the multi-component antifouling coating composition preparation kit, is stored.
- This refers to the suppression of changes in physical properties.
- an antifouling paint composition prepared by mixing the contents of a multi-component antifouling paint composition preparation kit has a favorable viscosity by suppressing an increase in viscosity. Examples thereof include maintaining workability by spraying and the like, and maintaining film thickness paintability by preventing sagging and suppressing sagging. As described above, this effect is presumed to be related to the interaction between the pyrithione metal salt (C) and the terminal hydroxyl group of the diorganopolysiloxane (A).
- Table 1 shows a general name, a manufacturer / seller, a trade name, and the like of each component of the antifouling coating composition used in this example.
- the weight average molecular weight MW was measured by GPC using a standard polystyrene calibration curve.
- the main component (X), the hardener component (Y), and the additive component (Z) were mixed thoroughly using a disperser so that the compounding amounts shown in Table 2 were used. 11 and Comparative Examples 1 to 4 were prepared.
- the sagging resistance was measured by coating each composition on a tin plate using a box-type sag tester shown in JIS K 5400 (1990) 6.4 on a horizontal table, and measuring the film thickness with a wet film gauge. Immediately thereafter, the test plate (tin plate) was vertically set so that the track line of the sag tester was horizontal, and the sagging resistance of the film was examined. The sagging limit film thickness of each composition was calculated with the sample flowing out into the space between the paint layers passing the paint layer up to 1 ⁇ 2 of the space as acceptable.
- An epoxy anticorrosive paint (Brand No. 500, manufactured by China Paint Co., Ltd.) is applied to the sandblast plate at a thickness of 100 ⁇ m, and a polyurethane binder paint (Product name: CMP Bioclin SG, manufactured by China Paint Co., Ltd.) is applied at 100 ⁇ m.
- Each composition was applied to the plate so as to have a dry film thickness of 200 ⁇ m. After drying at room temperature for one day, a one-letter cut was made with a knife to reach the CMP bioclin SG coating layer, and the adhesion was evaluated by rubbing strongly in the cut in the vertical direction. If the adhesion is poor, rubbing causes delamination between the CMP bioclin SG coating layer and the layer formed from the composition.
- test plate was dried at room temperature for 7 days and then immersed in Miyajima Bay, Hiroshima Prefecture, and the area occupied by attached organisms on the surface of the test plate was evaluated by visual observation every three months.
- test plate is dried for 7 days at room temperature, it is immersed in Kure, Hiroshima Prefecture, and a rotating rotor is used to generate a water flow of about 15 knots. Visually observe the area occupied by attached organisms on the surface of the test plate every 3 months. Evaluated.
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Abstract
Description
(式中、R2は独立に炭素原子数1~6の炭化水素基を示し、Yは独立に加水分解性基を示し、dは0~2の整数である。)
本発明に係る防汚塗料組成物は、1分子中に少なくとも2個のシラノール基(≡Si-OH)を有するジオルガノポリシロキサン(A)、1分子中に少なくとも2個の加水分解性基を有するオルガノシラン及び/又はその部分加水分解縮合物(B)、およびピリチオン金属塩(C)を含有する。以下、各成分について順に説明する。
ジオルガノポリシロキサン(A)は、1分子中に少なくとも2個のシラノール基を有する。具体的には、下記一般式[I]で示される化合物が好適である。
本発明の防汚塗料組成物は、ジオルガノポリシロキサン(A)と共にシリカを含有していてもよい。この場合、ジオルガノポリシロキサン(A)は、使用前に、特に多液型の防汚塗料組成物におけるジオルガノポリシロキサンを含有するコンポーネント(主剤成分)の調製時に、あらかじめシリカと混練されていてもよい。
好適には、オルガノシラン及び/又はその部分加水分解縮合物(B)は、下記一般式[II]で表される化合物及び/又はその部分加水分解縮合物である。
上記一般式[II]中、R2は独立に炭素原子数1~6の炭化水素基を示し、例えばメチル基、エチル基、プロピル基などの直鎖状もしくは分枝状アルキル基、シクロヘキシル基などの環状アルキル基、ビニル基などのアルケニル基、またはフェニル基などのアリール基であり、好ましくはメチル基、エチル基である。
好適には、ピリチオン金属塩(C)は、下記一般式[III]で表される化合物から選択される1種又は2種以上の混合物である。
本発明に係る防汚塗料組成物は、ジオルガノポリシロキサン(A)、加水分解性基を1分子中に2個以上有するオルガノシラン及び/又はその部分加水分解縮合物(B)、およびピリチオン金属塩(C)に加えて、シリコーンオイル(D)、充填剤(E)、タレ止め,沈降防止剤(F)、硬化性触媒(G)、シランカップリング剤(H)、(C)成分以外の防汚剤(I)、その他の塗膜形成成分(J)、無機脱水剤(K)、難燃剤(L)、チクソトロピー性付与剤(M)、熱伝導改良剤(N)等を含有していてもよい。
シリコーンオイル(D)は、防汚塗料の硬化物からブリードアウトしていくものが好ましい。こうしたシリコーンオイル(D)としては、下記式[IV]で表されるようなフェニル変性オルガノポリシロキサン等が挙げられる。
式[IV]中、R4は互いに独立に、それぞれ炭素数1~10のアルキル基、アリール基、アラルキル基またはフルオロアルキル基を示し、但しR4のうち少なくとも一つはフェニル基であり、nは0~150の整数を示す。
充填剤(E)は、従来公知の有機系、無機系の各種顔料やその他充填剤を用いることができる。有機系顔料としては、カーボンブラック、フタロシアニンブルー、紺青等が挙げられる。無機系顔料としては、チタン白(酸化チタン)、ベンガラ、バライト粉、シリカ、タルク、白亜、酸化鉄粉等のように中性で非反応性のもの;亜鉛華(ZnO、酸化亜鉛)、鉛白、鉛丹、亜鉛末、亜酸化鉛粉等のように塩基性で塗料中の酸性物質と反応性のもの(活性顔料)等が挙げられる。その他の充填剤は、けいそう土、アルミナ等の金属酸化物;炭酸カルシウム、炭酸マグネシウム、炭酸亜鉛等の金属炭酸塩;その他、アスベスト、ガラス繊維、石英粉、水酸化アルミニウム、金粉、銀粉、表面処理炭酸カルシウム、ガラスバルーン等が挙げられる。また、これらの表面をシラン化合物で表面処理したものを用いてもよい。これらの充填剤は、いずれか1種を単独で用いてもよいし、2種以上を併用してもよい。なお、これらの充填材は染料等の各種着色剤を含むこともできる。
タレ止め,沈降防止剤(搖変剤)(F)としては、エーテル変性オルガノポリシロキサン、有機粘土系ワックス(Al、Ca、Znのステアレート塩、レシチン塩、アルキルスルホン酸塩等)、有機系ワックス(ポリエチレンワックス、酸化ポリエチレンワックス、アマイドワックス、ポリアマイドワックス、水添ヒマシ油ワックス等)、有機粘土系ワックスと有機系ワックスの混合物、合成微粉シリカ等が挙げられ、中でもエーテル変性オルガノポリシロキサンおよび合成微粉シリカが好ましい。
式[V]中、R5は、互いに独立に、水素原子;それぞれ炭素数1~10のアルキル基、アリール基もしくはアラルキル基;水酸基;加水分解性基Y;あるいは末端が水酸基、-SiRxY(3-x)基(xは0~2である)、それぞれ炭素数1~6のアルキル基もしくはアシル基で封鎖されていてもよいエーテル基をもつ直鎖、分岐鎖もしくは脂環式炭化水素鎖を示す。但し、R5のうち少なくとも一つは、末端が水酸基、-SiRxY(3-x)基(xは0~2である)、炭素数1~6のアルキル基もしくはアシル基で封鎖されていてもよいエーテル基をもつ直鎖、分岐鎖、脂環式炭化水素鎖である。加水分解性基Yは、前記式[II]と同義である。nは1以上の整数である。
硬化性触媒(G)は、ジオルガノポリシロキサン(A)とオルガノシラン及び/又はその部分加水分解縮合物(B)との硬化反応を促進するための触媒である。そのような硬化性触媒(G)としては、例えば、特開平4-106156号公報(特許第2522854号公報)に記載されているものを好適に使用できる。具体的には、ナフテン酸錫、オレイン酸錫等のカルボン酸錫類;ジブチル錫ジアセテート、ジブチル錫アセトアセトネート、ジブチル錫ジオクトエート、ジブチル錫ジラウレート、ジブチル錫ジオレート、ジブチル錫オキサイド、ジブチル錫ジメトキシド、ジブチル錫ジペントエート、ジブチル錫ジネオデカノエート、ジオクチル錫ジネオデカノエート、ビス(ジブチルスズラウレート)オキサイド、ジブチルビス(トリエトキシシロキシ)錫、ビス(ジブチルスズアセテート)オキサイド、ジブチル錫ビス(エチルマレート)およびジオクチル錫ビス(エチルマレート)等の錫化合物類;テトライソプロポキシチタン、テトラ-n-ブトキシチタン、テトラキス(2-エチルヘキソキシ)チタン、ジプロポキシビス(アセチルアセトナト)チタン、チタニウムイソプロポキシオクチルグリコール等のチタン酸エステル類あるいはチタンキレート化合物;ナフテン酸亜鉛、ステアリン酸亜鉛、亜鉛-2-エチルオクトエート、鉄-2-エチルヘキソエート、コバルト-2-エチルヘキソエート、マンガン-2-エチルヘキソエート、ナフテン酸コバルト、アルコキシアルミニウム化合物等の有機金属化合物類;3-アミノプロピルトリメトキシシラン、N-β(アミノエチル)γ-アミノプロピルトリメトキシシラン等のアミノアルキル基置換アルコキシシラン類;ヘキシルアミン、リン酸ドデシルドデシルアミン、ジメチルヒドロキシルアミン、ジエチルヒドロキシルアミン等のアミン化合物及びその塩類;ベンジルトリエチルアンモニウムアセテート等の第4級アンモニウム塩;酢酸カリウム、酢酸ナトリウム、シュウ酸リチウム等のアルカリ金属の低級脂肪酸塩類;テトラメチルグアニジルプロピルトリメトキシシラン、テトラメチルグアニジルプロピルメチルジメトキシシラン、テトラメチルグアニジルプロピルトリス(トリメチルシロキシ)シラン等のグアニジル基を含有するシラン又はシロキサン類;等が挙げられる。
シランカップリング剤(H)は、アルコキシシリル基、アミノ基、イミノ基、エポキシ基、ヒドロシリル基、メルカプト基、イソシアネート基、(メタ)アクリル基等の基を1種または2種以上含有するシランカップリング剤が好ましく、特にアミノ基を有するものが好ましい。アミノ基を有するシランカップリング剤としては例えば、3-(2-アミノエチル)アミノプロピルトリメトキシシラン、3-アミノプロピルトリメトキシシラン、3-アミノプロピルトリエトキシシラン、3-(2-(2-アミノエチル)アミノエチル)アミノプロピルトリメトキシシラン等が挙げられる。また、他のシランカップリング剤として、例えば、3-グリシドキシプロピルメチルジメトキシシラン、ビニルトリメトキシシラン、ビニルトリエトキシシラン、3-メルカプトプロピルトリメトキシシラン、N-フェニルプロピルトリメトキシシラン、N-フェニルプロピルトリエトキシシラン等を挙げることもできる。また、シランカップリング剤は、これらの複数のものの混合物を用いてもよい。
防汚剤(I)は、ピリチオン金属塩(C)以外の防汚剤であれば、無機系、有機系の何れであってもよい。無機系防汚剤としては、従来公知のものを使用できるが、この中でも銅、亜酸化銅、チオシアン酸銅、無機銅化合物が好ましい。有機防汚剤としては、テトラメチルチウラムジサルファイド、カーバメート系の化合物(例:ジンクジメチルジチオカーバメート、マンガン-2エチレンビスジチオカーバメート)、2,4,5,6-テトラクロロイソフタロニトリル等を挙げることができる。防汚剤(I)は、いずれか1種類を単独で用いてもよいし、複数の種類を組み合わせて用いてもよい。
その他の塗膜形成成分(J)として、オルガノポリシロキサン(A)等以外の塗膜形成成分を、本発明の目的に反しない範囲内で用いることができる。こうした「その他の塗膜形成成分」としては、アクリル樹脂、アクリルシリコーン樹脂、不飽和ポリエステル樹脂、フッ素樹脂、ポリブテン樹脂、シリコーンゴム、ウレタン樹脂(ゴム)、ポリアミド樹脂、塩化ビニル系共重合樹脂、塩化ゴム(樹脂)、塩素化オレフィン樹脂、スチレン・ブタジエン共重合樹脂、エチレン-酢酸ビニル共重合樹脂、塩化ビニル樹脂、アルキッド樹脂、クマロン樹脂、トリアルキルシリルアクリレート(共)重合体(シリル系樹脂)、石油樹脂等の難あるいは非水溶性樹脂が挙げられる。
無機脱水剤(K)としては、無水石膏(CaSO4)、合成ゼオライト系吸着剤(商品名:モレキュラーシーブ等)、シリケート類等が挙げられ、無水石膏、モレキュラーシーブが好ましく用いられる。このような無機脱水剤は、1種または2種以上組み合わせて用いることができる。
難燃剤は、酸化アンチモン、酸化パラフィンなどが挙げられる。
チクソトロピー性付与剤としては、ポリエチレングリコール、ポリプロピレングリコール及びこれらの誘導体等が挙げられる。
熱伝導改良剤としては、窒化ホウ素、酸化アルミニウム等が挙げられる。
本発明に係る防汚塗料組成物は、通常、2以上のコンポーネントからなる多液型の塗料として提供される。これらの各コンポーネント(各液)は、それぞれ1または複数の成分を含有しており、別個に包装された後、缶などの容器に入れられた状態で貯蔵保管される。塗装時にそれらのコンポーネントの内容物を混合・攪拌して防汚塗料組成物を調製する。すなわち、本発明は一側面において、本発明に係る防汚塗料組成物を調製するための、上記のようなコンポーネントからなるキットを提供する。
本発明に係る防汚基材の製造方法は、上述したような本発明に係る防汚塗料組成物を基材に塗布または含浸させる工程と、塗布または含浸させた該組成物を硬化させる工程と、を備える。
本発明に係る防汚塗料組成物の貯蔵安定性の改善方法は、1分子中に少なくとも2個のシラノール基を有するジオルガノポリシロキサン(A)を含有するコンポーネント、および1分子中に少なくとも2個の加水分解性基を有するオルガノシラン及び/又はその部分加水分解縮合物(B)を含有するコンポーネントが別個に包装された多液型の形態にある、防汚塗料組成物を調製するためのキットにおいて、前記ジオルガノポリシロキサン(A)を含有するコンポーネントにピリチオン金属塩(C)を配合することを特徴とする。
表1に、本実施例に用いる防汚塗料組成物の各成分の一般名称、製造販売元、および商品名等を示す。表1中、重量平均分子量MWは、GPCによって標準ポリスチレンの検量線を用いて測定した。
上記のように調製された実施例1~11および比較例1~4の防汚塗料組成物およびそれらから形成された防汚塗膜について、以下に示す物性試験および防汚試験を行った。これらの結果は、表2に記載されたとおりである。
(粘度)
粘度は、各組成物を23℃の温度条件下で、それぞれストーマー粘度計(製造元:太佑機材株式会社、製品名:ストーマー粘度計、型式:691)にて測定した。
タレ止め性は、各組成物を、水平な台の上でJIS K 5400(1990)6.4に示されるボックス型のサグテスターを用いてブリキ板に塗布し、ウェットフィルムゲージで膜厚を測定した後、直ちに試験板(ブリキ板)をサグテスターの軌道線が水平になるように垂直に立て、膜のタレ止め性を調べた。塗料層と塗料層の間の空間に流れ出た試料が、空間の1/2までの塗料層を合格として、各組成物のタレ止め限界膜厚を算出した。
サンドブラスト板にエポキシ系防食塗料(商品名:バンノー500、中国塗料株式会社製)を100μm厚で塗布し、さらにポリウレタン系バインダー塗料(商品名:CMPバイオクリンSG、中国塗料株式会社製)100μmを塗布した板に、各組成物を乾燥膜厚で200μmとなるよう塗装した。常温で1日乾燥後、ナイフによりCMPバイオクリンSG塗膜層に至る一文字の切り込みを入れ、切り込みに垂直方向に強く擦ることで付着性を評価した。付着性が不良である場合、擦るとCMPバイオクリンSG塗膜層と該組成物から形成される層の間に剥離が生じる。
主剤コンポーネント(X)を調製した後、40℃の温度条件で50日間貯蔵した後、上記物性を確認して塗料の保存安定性を評価する促進試験を実施した。
(試験板調製)
サンドブラスト板にエポキシ系防食塗料(商品名:バンノー500、中国塗料株式会社製)を100μm厚で塗布し、さらにポリウレタン系バインダー塗料(商品名:CMPバイオクリンSG、中国塗料株式会社製)100μmを塗布した板に、実施例1~11および比較例1~4の各組成物を乾燥膜厚で200μmとなるよう塗装した。
上記試験板を室温7日乾燥後、広島県宮島湾にて静置浸漬して3ヶ月毎に試験板表面の付着生物の占める面積を目視観察にて評価した。
上記試験板を室温7日乾燥後、広島県呉沖に浸漬し、回転ローターを用いて15ノット程度となるよう水流を発生させ、3ヶ月毎に試験板表面の付着生物の占める面積を目視観察にて評価した。
0 : 水生生物の付着無し
0.5 : 水生生物の付着0%を超え10%以下
1 : 水生生物の付着10%を超え20%以下
2 : 水生生物の付着20%を超え30%以下
3 : 水生生物の付着30%を超え40%以下
4 : 水生生物の付着40%を超え50%以下
5 : 水生生物の付着50%を超え100%程度
Claims (14)
- (A)1分子中に少なくとも2個のシラノール基を有するジオルガノポリシロキサン、
(B)1分子中に少なくとも2個の加水分解性基を有するオルガノシラン及び/又はその部分加水分解縮合物、および
(C)ピリチオン金属塩
を含有することを特徴とする防汚塗料組成物。 - 前記オルガノシラン及び/又はその部分加水分解縮合物(B)が、一般式[II]で表されるものである、請求項1又は2に記載の防汚塗料組成物。
R2 dSiY4-d ・・・[II]
(式中、R2は独立に炭素原子数1~6の炭化水素基を示し、Yは独立に加水分解性基を示し、dは0~2の整数である。) - 前記ジオルガノポリシロキサン(A)の重量平均分子量が500~1,000,000である、請求項1~4のいずれか一項に記載の防汚塗料組成物。
- 前記ジオルガノポリシロキサン(A)の一部または全部が、あらかじめシリカと加熱処理されたものである、請求項1~5のいずれか一項に記載の防汚塗料組成物。
- 前記オルガノシラン及び/又はその部分加水分解物(B)が、加水分解性基としてオキシム基、アセチルオキシ基、およびアルコキシ基のうち少なくとも1種を有するものである、請求項1~6のいずれか一項に記載の防汚塗料組成物。
- さらに硬化性触媒(G)を含有する、請求項1~7のいずれか一項に記載の防汚塗料組成物。
- 前記ジオルガノポリシロキサン(A)およびピリチオン金属塩(C)を含有するコンポーネント、ならびに前記オルガノシラン及び/又はその部分加水分解縮合物(B)を含有するコンポーネントが別個に包装された多液型の形態にある、請求項1~8のいずれか一項に記載の防汚塗料組成物を調製するためのキット。
- 請求項1~8のいずれか一項に記載の防汚塗料組成物を硬化させて得られることを特徴とする防汚塗膜。
- 請求項1~8のいずれか一項に記載の防汚塗料組成物を基材に塗布または含浸させた後、該組成物を硬化させて得られることを特徴とする防汚基材。
- 前記基材が水中構造物または船舶である、請求項11に記載の防汚基材。
- 請求項1~8のいずれか1項に記載の防汚塗料組成物を基材に塗布または含浸させる工程と、塗布または含浸させた該組成物を硬化させる工程と、を備えることを特徴とする防汚基材の製造方法。
- 1分子中に少なくとも2個のシラノール基を有するジオルガノポリシロキサン(A)を含有するコンポーネント、および1分子中に少なくとも2個の加水分解性基を有するオルガノシラン及び/又はその部分加水分解縮合物(B)を含有するコンポーネントが別個に包装された多液型の形態にある、防汚塗料組成物を調製するためのキットにおいて、
前記ジオルガノポリシロキサン(A)を含有するコンポーネントに、防汚塗料組成物の貯蔵安定性を改善するための有効成分としてピリチオン金属塩(C)を配合することを特徴とする、防汚塗料組成物の貯蔵安定性の改善方法。
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CN201380059081.6A CN104781356A (zh) | 2012-11-13 | 2013-11-08 | 防污涂料组合物、防污涂膜、防污基材、以及防污涂料组合物的储藏稳定性的改善方法 |
JP2014546967A JP6053816B2 (ja) | 2012-11-13 | 2013-11-08 | 防汚塗料組成物、防汚塗膜、防汚基材、および防汚塗料組成物の貯蔵安定性の改善方法 |
US14/439,846 US9828524B2 (en) | 2012-11-13 | 2013-11-08 | Antifouling coating composition, antifouling coating film, antifouling substrate, and method for improving storage stability of antifouling coating compositions |
SG11201503279TA SG11201503279TA (en) | 2012-11-13 | 2013-11-08 | Antifouling coating composition, antifouling coating film, antifouling substrate, and method for improving storage stability of antifouling coating compositions |
KR1020157014863A KR20150082501A (ko) | 2012-11-13 | 2013-11-08 | 방오 도료 조성물, 방오 도막, 방오 기재 및 방오 도료 조성물의 저장 안정성 개선방법 |
KR1020177009779A KR20170042824A (ko) | 2012-11-13 | 2013-11-08 | 방오 도료 조성물, 방오 도막, 방오 기재 및 방오 도료 조성물의 저장 안정성 개선방법 |
ES13855972T ES2856685T3 (es) | 2012-11-13 | 2013-11-08 | Composición de recubrimiento antiincrustante, película de recubrimiento antiincrustante, sustrato antiincrustante y método para mejorar la estabilidad en almacenamiento de la composición de recubrimiento antiincrustante |
EP13855972.9A EP2921538B1 (en) | 2012-11-13 | 2013-11-08 | Antifouling coating composition, antifouling coating film, antifouling substrate, and method for improving storage stability of antifouling coating composition |
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KR (2) | KR20170042824A (ja) |
CN (1) | CN104781356A (ja) |
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JP6053816B2 (ja) | 2016-12-27 |
KR20170042824A (ko) | 2017-04-19 |
EP2921538A4 (en) | 2016-06-15 |
US9828524B2 (en) | 2017-11-28 |
KR20150082501A (ko) | 2015-07-15 |
ES2856685T3 (es) | 2021-09-28 |
JPWO2014077205A1 (ja) | 2017-01-05 |
US20150299515A1 (en) | 2015-10-22 |
SG11201503279TA (en) | 2015-08-28 |
JP2017071791A (ja) | 2017-04-13 |
EP2921538A1 (en) | 2015-09-23 |
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EP2921538B1 (en) | 2021-01-27 |
CN104781356A (zh) | 2015-07-15 |
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