WO2017094768A1 - 防汚塗料組成物、防汚塗膜、防汚基材、および該防汚基材の製造方法 - Google Patents
防汚塗料組成物、防汚塗膜、防汚基材、および該防汚基材の製造方法 Download PDFInfo
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- WO2017094768A1 WO2017094768A1 PCT/JP2016/085531 JP2016085531W WO2017094768A1 WO 2017094768 A1 WO2017094768 A1 WO 2017094768A1 JP 2016085531 W JP2016085531 W JP 2016085531W WO 2017094768 A1 WO2017094768 A1 WO 2017094768A1
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- antifouling
- coating composition
- coating film
- antifouling coating
- mass
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- 239000007769 metal material Substances 0.000 description 1
- 239000000113 methacrylic resin Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- LVHBHZANLOWSRM-UHFFFAOYSA-N methylenebutanedioic acid Natural products OC(=O)CC(=C)C(O)=O LVHBHZANLOWSRM-UHFFFAOYSA-N 0.000 description 1
- 235000020638 mussel Nutrition 0.000 description 1
- UJCISEHKQQMVCI-UHFFFAOYSA-N n,n'-bis(2-aminoethyl)-2,2-bis[(2-aminoethylamino)methyl]propane-1,3-diamine Chemical compound NCCNCC(CNCCN)(CNCCN)CNCCN UJCISEHKQQMVCI-UHFFFAOYSA-N 0.000 description 1
- PYUYQYBDJFMFTH-WMMMYUQOSA-N naphthol red Chemical compound CCOC1=CC=CC=C1NC(=O)C(C1=O)=CC2=CC=CC=C2\C1=N\NC1=CC=C(C(N)=O)C=C1 PYUYQYBDJFMFTH-WMMMYUQOSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical group 0.000 description 1
- 239000012860 organic pigment Substances 0.000 description 1
- 125000005375 organosiloxane group Chemical group 0.000 description 1
- FJKROLUGYXJWQN-UHFFFAOYSA-N papa-hydroxy-benzoic acid Natural products OC(=O)C1=CC=C(O)C=C1 FJKROLUGYXJWQN-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
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- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
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- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
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- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
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- WJSXSXUHWBSPEP-UHFFFAOYSA-N pyridine;triphenylborane Chemical compound C1=CC=NC=C1.C1=CC=CC=C1B(C=1C=CC=CC=1)C1=CC=CC=C1 WJSXSXUHWBSPEP-UHFFFAOYSA-N 0.000 description 1
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- SCPYDCQAZCOKTP-UHFFFAOYSA-N silanol Chemical compound [SiH3]O SCPYDCQAZCOKTP-UHFFFAOYSA-N 0.000 description 1
- GCLGEJMYGQKIIW-UHFFFAOYSA-H sodium hexametaphosphate Chemical compound [Na]OP1(=O)OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])OP(=O)(O[Na])O1 GCLGEJMYGQKIIW-UHFFFAOYSA-H 0.000 description 1
- 235000019982 sodium hexametaphosphate Nutrition 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- NVBFHJWHLNUMCV-UHFFFAOYSA-N sulfamide Chemical compound NS(N)(=O)=O NVBFHJWHLNUMCV-UHFFFAOYSA-N 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000010557 suspension polymerization reaction Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000003784 tall oil Substances 0.000 description 1
- 150000003505 terpenes Chemical class 0.000 description 1
- 235000007586 terpenes Nutrition 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- UQMOLLPKNHFRAC-UHFFFAOYSA-N tetrabutyl silicate Chemical compound CCCCO[Si](OCCCC)(OCCCC)OCCCC UQMOLLPKNHFRAC-UHFFFAOYSA-N 0.000 description 1
- FAGUFWYHJQFNRV-UHFFFAOYSA-N tetraethylenepentamine Chemical compound NCCNCCNCCNCCN FAGUFWYHJQFNRV-UHFFFAOYSA-N 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- ADLSSRLDGACTEX-UHFFFAOYSA-N tetraphenyl silicate Chemical compound C=1C=CC=CC=1O[Si](OC=1C=CC=CC=1)(OC=1C=CC=CC=1)OC1=CC=CC=C1 ADLSSRLDGACTEX-UHFFFAOYSA-N 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- XNFIRYXKTXAHAC-UHFFFAOYSA-N tralopyril Chemical compound BrC1=C(C(F)(F)F)NC(C=2C=CC(Cl)=CC=2)=C1C#N XNFIRYXKTXAHAC-UHFFFAOYSA-N 0.000 description 1
- NIBPEHGZRFSWSY-UHFFFAOYSA-N tributylsilyl prop-2-enoate Chemical compound CCCC[Si](CCCC)(CCCC)OC(=O)C=C NIBPEHGZRFSWSY-UHFFFAOYSA-N 0.000 description 1
- CPUDPFPXCZDNGI-UHFFFAOYSA-N triethoxy(methyl)silane Chemical compound CCO[Si](C)(OCC)OCC CPUDPFPXCZDNGI-UHFFFAOYSA-N 0.000 description 1
- GKASDNZWUGIAMG-UHFFFAOYSA-N triethyl orthoformate Chemical compound CCOC(OCC)OCC GKASDNZWUGIAMG-UHFFFAOYSA-N 0.000 description 1
- 125000003258 trimethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229940043810 zinc pyrithione Drugs 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
- PICXIOQBANWBIZ-UHFFFAOYSA-N zinc;1-oxidopyridine-2-thione Chemical compound [Zn+2].[O-]N1C=CC=CC1=S.[O-]N1C=CC=CC1=S PICXIOQBANWBIZ-UHFFFAOYSA-N 0.000 description 1
- AMHNZOICSMBGDH-UHFFFAOYSA-L zineb Chemical compound [Zn+2].[S-]C(=S)NCCNC([S-])=S AMHNZOICSMBGDH-UHFFFAOYSA-L 0.000 description 1
- DUBNHZYBDBBJHD-UHFFFAOYSA-L ziram Chemical compound [Zn+2].CN(C)C([S-])=S.CN(C)C([S-])=S DUBNHZYBDBBJHD-UHFFFAOYSA-L 0.000 description 1
Images
Classifications
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- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
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- C—CHEMISTRY; METALLURGY
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- 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
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- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
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- B32—LAYERED PRODUCTS
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
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- C08F230/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal
- C08F230/08—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
- C08F230/085—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon the monomer being a polymerisable silane, e.g. (meth)acryloyloxy trialkoxy silanes or vinyl trialkoxysilanes
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- 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
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- C08K3/10—Metal compounds
- C08K3/105—Compounds containing metals of Groups 1 to 3 or of Groups 11 to 13 of the Periodic Table
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- 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
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- C08K3/22—Oxides; Hydroxides of metals
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
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- C08L93/04—Rosin
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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
- C09D143/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing boron, silicon, phosphorus, selenium, tellurium, or a metal; Coating compositions based on derivatives of such polymers
- C09D143/04—Homopolymers or copolymers of monomers containing silicon
-
- 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
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1637—Macromolecular compounds
- C09D5/165—Macromolecular compounds containing hydrolysable 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
- C09D5/1687—Use of special additives
-
- 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
- C09D7/20—Diluents or solvents
-
- 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
- C09D7/45—Anti-settling agents
-
- 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
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
-
- 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
- C09D7/65—Additives macromolecular
-
- 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
- C09D7/66—Additives characterised by particle size
- C09D7/69—Particle size larger than 1000 nm
-
- 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
- C09D7/80—Processes for incorporating ingredients
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2248—Oxides; Hydroxides of metals of copper
Definitions
- the present invention relates to an antifouling coating composition and use thereof, and more specifically, for example, an antifouling coating composition capable of forming an antifouling coating having good adhesion on an epoxy resin coating, and the antifouling coating composition.
- the present invention relates to an antifouling coating film, an antifouling substrate, and a method for producing an antifouling substrate formed from a stain coating composition.
- Vessels such as oysters, mussels and barnacles, plants such as laver, and various aquatic organisms such as bacteria are likely to adhere to the surface of a substrate exposed to water for a long time, such as ships and underwater structures.
- various problems occur.
- the base material is a ship
- the surface roughness increases from the ship's waterline to the ship's bottom, resulting in a decrease in the speed of the ship and an increase in fuel consumption.
- the base material is a seawater supply / drainage pipe of a thermal power plant or nuclear power plant
- the water supply / drainage pipe of seawater (cooling water) may be blocked or the flow velocity may be reduced, causing problems in the circulation system.
- an antifouling paint (antifouling paint composition) applied to the base material has been promoted in order to prevent adhesion of aquatic organisms on various base materials.
- Most of the base materials of these ships and underwater structures are metal materials such as steel, and are coated with an epoxy resin anticorrosion paint to prevent corrosion by seawater.
- an antifouling paint is applied to prevent the adhesion of aquatic organisms, but the antifouling paint is difficult to adhere on the epoxy resin anticorrosive coating, and a vinyl resin binder is applied first, Antifouling paint is applied on top.
- an antifouling paint composition a paint composition containing a hydrolyzable resin as a resin component (binder component) is known.
- an antifouling coating composition in which a coating composition containing a hydrolyzable resin containing a triorganosilyl group or containing a metal such as zinc is combined with cuprous oxide has been developed. The composition is painted to prevent aquatic organisms from adhering to the bottom of the ship.
- Patent Documents 1 to 7 disclose techniques relating to antifouling paint compositions combining these hydrolyzable resins and cuprous oxide, coating on epoxy resin anticorrosive coatings, and low VOC. .
- Patent Document 1 the same non-tar type epoxy resin heavy anticorrosion paint as a primer is applied to the entire ship outer plate, and the ship bottom (I) or the ship bottom (I) and water line are applied on the primer coating.
- Part (b) further discloses a ship coating method in which a non-organotin hydrolyzable antifouling paint is applied.
- Patent Document 2 contains a polymer having a number average molecular weight of 1,000 to 20,000 obtained by polymerizing a polymerizable unsaturated carboxylic acid triorganosilyl and a rosin zinc salt or a zinc salt of a rosin derivative.
- an antifouling coating composition having a description relating to the average particle size of cuprous oxide is disclosed.
- Patent Document 3 discloses a copolymer obtained from a methacrylic acid triorganosilyl ester monomer (a) and a methacrylic acid methoxyalkyl ester monomer (b), and the content of (a) + (b) is 80.
- An antifouling paint composition containing a hydrolyzable resin and rosin copper salt in an amount of at least% by weight is disclosed. Further, in the examples, various data are described in combination with cuprous oxide having an average particle size of 6 ⁇ m or more.
- Patent Document 4 discloses an antifouling paint comprising a polymerizable unsaturated carboxylic acid zinc salt-based or copper salt-based copolymer, and copper and / or an inorganic copper compound having an average particle size of 6 to 50 ⁇ m. A composition is disclosed.
- Patent Document 5 relates to a copolymer of triisopropylsilyl acrylate and triisopropylsilyl methacrylate, and there is a description about adhesion on an epoxy binder coating film in Examples.
- Patent Document 6 relates to an antifouling coating composition containing a hydrolyzable resin containing a silyl ester copolymer, copper and / or an inorganic copper compound, and zinc oxide, and has a particle size of 6 ⁇ m or more as the inorganic copper compound.
- a hydrolyzable resin containing a silyl ester copolymer, copper and / or an inorganic copper compound, and zinc oxide and has a particle size of 6 ⁇ m or more as the inorganic copper compound.
- cuprous oxide are disclosed.
- Patent Document 7 relates to an antifouling paint containing a silyl ester copolymer having a VOC of less than 400 g / L, which defines the molecular weight of the silyl ester copolymer and is reduced in VOC by lowering the viscosity.
- a composition is disclosed.
- Patent Document 1 after applying a non-tin hydrolyzable antifouling paint on a primer layer having a non-tar epoxy resin heavy anti-corrosion paint applied to the waterline and bottom of the ship outer plate at an interval of 10 days, The adhesion after 180 days immersion is investigated.
- the antifouling paint composition is a tributylsilyl acrylate resin combined with an acrylic styrene resin and a plasticizer, chlorinated paraffin, to ensure adhesion.
- contamination due to immersion Furthermore, there is no regulation regarding the particle size of the cuprous oxide used, and there is no technical idea of the expression of adhesion by cuprous oxide having a specific particle size.
- Patent Document 2 a composition of triisopropylsilyl methacrylate and 2-methoxyethyl (meth) acrylate and a rosin zinc salt is used. Further, in Examples, a combination of an average particle size of cuprous oxide of 6 ⁇ m to 19 ⁇ m is used. Various tests have been conducted, and even when a test plate is prepared, it is coated on a one-pack type vinyl A / C in order to ensure adhesion after immersion in seawater.
- Patent Document 3 an antifouling coating composition containing an average particle size of cuprous oxide of 6 ⁇ m to 19 ⁇ m is disclosed. However, all the coating systems have antifouling paints coated on vinyl-type anticorrosive paint films, and no adhesion test has been conducted.
- rosin metal salt is an essential component
- the coating film is hard
- the cohesive strength inside the coating film is high, so that the adhesion on the reaction curing type epoxy resin anticorrosion coating film is sufficient. It is not considered.
- Patent Document 4 has a description of static antifouling property and wearability, but it is not a technique related to silyl polymer, rosin is not used, and there is a concern about contamination due to antifouling property in the long term. All are painted on PVC boards, and there is no data on application to epoxy coating systems and their adhesion.
- triisopropylsilyl acrylate / triisopropylsilyl methacrylate copolymer is combined with small particle size cuprous oxide (average particle size: 3 ⁇ m) and dried indoors on an epoxy anticorrosive coating for one day.
- cuprous oxide average particle size: 3 ⁇ m
- adhesion data after applying a dirty paint and accelerating it at artificial seawater at 50 ° C for 5 months.
- cuprous oxide with a particle size of less than 4 ⁇ m is used, it is highly likely that the epoxy anticorrosive coating will be peeled off after being exposed outdoors for several days. There must be.
- Patent Document 6 after the epoxy coating is dried for one day, an antifouling paint containing cuprous oxide having a particle size of 6 ⁇ m or more, chlorinated paraffin and a terpene plasticizer is applied, and the antifouling property test is allowed to stand. Is described. In this test, adhesion with the epoxy coating is improved by using a plasticizer in combination with rosin or monocarboxylic acid. Furthermore, the coating interval between the epoxy paint and the antifouling paint is as short as one day, and it is difficult and practical to apply in an actual shipbuilding process. Moreover, in patent document 6, adhesion confirmation, such as a knife cut, is not performed by the test only of stationary antifouling property.
- Patent Document 7 relates to an antifouling paint containing a silyl ester copolymer having a VOC of less than 400 g / L.
- the molecular weight of the silyl ester copolymer is specified, and the purpose is to reduce the VOC by reducing the viscosity.
- this one-pack type vinyl binder coat has a high molecular weight of the vinyl resin, and it is difficult to make a paint unless it is dissolved in a large amount of organic solvent, which generates a lot of VOCs and causes air pollution. . Furthermore, there is a demerit that one step is increased by applying a vinyl resin binder coat on the epoxy coating.
- the coating interval between the epoxy anticorrosive coating film and the hydrolyzable antifouling paint applied on it is short (for example, 1 day) without applying a vinyl resin binder coat, a certain amount of adhesion will occur. Sex was secured.
- the coating interval between the epoxy anticorrosive paint and the antifouling paint is substantially several days in the process, and there is a demand for extending the paintable interval.
- the period until the next repair is prolonged, and it is required to maintain good adhesion over a longer period.
- the present invention provides an antifouling coating composition that can maintain a good antifouling performance, can reduce the VOC of the coating, and can stably exhibit adhesion over a long period of time on an epoxy resin coating film.
- the purpose is that.
- an antifouling substrate coated with an antifouling coating film that is formed using the coating composition and is excellent in long-term antifouling properties and long-term water resistance, and long-term adhesion, and long-term antifouling properties and long-term water resistance, It aims at providing the manufacturing method of the antifouling base material which is excellent in long-term adhesiveness.
- a hydrolyzable antifouling paint containing a rosin and / or a monocarboxylic acid compound have a specific silyl resin composition and a cuprous oxide having a specific particle size that are low in paint. It has been found that VOC conversion is possible and that it has excellent adhesion on an epoxy resin anticorrosive coating.
- cuprous oxide with a specific particle size and a specific silyl methacrylic resin, it is possible to reduce the VOC of the paint in addition to maintaining good antifouling performance.
- the present inventors have found an antifouling coating composition that can stably exhibit adhesiveness.
- a hydrolyzable copolymer (A) comprising a structural unit (3) derived from (iii), and an average particle size is
- An antifouling paint composition comprising cuprous oxide (B) of 4.5 to 50 ⁇ m and a rosin and / or a monocarboxylic acid compound (C).
- the ratio (WA / WC) between the content (WA) of the hydrolyzable copolymer (A) and the content (WC) of the rosins and / or the monocarboxylic acid compound (C) is 99.99 on a mass basis.
- a method for producing an antifouling substrate comprising curing the antifouling coating composition according to any one of [1] to [4] on a surface of the substrate to form an antifouling coating film.
- a hydrolyzable copolymer (A) comprising a structural unit (3) derived from (iii), and an average particle size is A method for producing an antifouling coating composition comprising mixing 4.5 to 50 ⁇ m of cuprous oxide (B), rosin and / or monocarboxylic acid compound (C), and optionally other components.
- the antifouling paint composition according to the present invention exhibits excellent adhesion over a long period of time as well as long-term antifouling properties and long-term water resistance when applied onto, for example, an epoxy resin coating film.
- the paint interval limit can be extended (relaxed).
- the coating process can be shortened.
- the antifouling coating composition according to the present invention can have a reduced viscosity, and can reduce the content of volatile organic compounds (VOC).
- VOC volatile organic compounds
- FIG. 1 shows the relationship between the particle size ( ⁇ m), relative particle amount (%), and particle size distribution of cuprous oxide (A).
- FIG. 2 shows the relationship between the particle size ( ⁇ m), the relative particle amount (%), and the particle size distribution of cuprous oxide (B).
- FIG. 3 shows the relationship between the particle size ( ⁇ m), relative particle amount (%), and particle size distribution of cuprous oxide (C).
- FIG. 4 shows the relationship between the particle diameter ( ⁇ m), the relative particle amount (%), and the particle size distribution of cuprous oxide (D).
- FIG. 5 shows the relationship between the particle size ( ⁇ m), the relative particle amount (%), and the particle size distribution of cuprous oxide (E).
- the antifouling paint composition (antifouling paint) of the present invention comprises a specific hydrolyzable copolymer (A), cuprous oxide (B) having an average particle size of 4.5 to 50 ⁇ m, rosins and / or mono Although containing the carboxylic acid compound (C), the antifouling paint of the present invention may contain an optional component depending on the purpose.
- This hydrolyzable copolymer (A) comprises a structural unit (1) derived from triisopropylsilyl methacrylate (i) and a structural unit (2) derived from 2-methoxyethyl (meth) acrylate (ii). And a structural unit (3) derived from a polymerizable monomer having a polymerizable double bond (excluding triisopropylsilyl methacrylate and 2-methoxyethyl (meth) acrylate) (iii) It is a copolymer (A).
- the hydrolyzable antifouling paint composition containing the hydrolyzable copolymer (A) is contacted with seawater or fresh water as an antifouling coating film. Excellent stability when used.
- the antifouling coating composition containing the hydrolyzable copolymer (A) having the structural units (1) and (2) has excellent long-term antifouling properties when coated on an epoxy resin-based coating film and Exhibits long-term adhesion.
- the antifouling coating film obtained from this antifouling coating composition can be used not only when the coating interval from the formation of the epoxy resin coating film to the coating of the antifouling coating film is short, but also when it is long.
- the epoxy resin-based coating film is hardened and increased in hardness. It is thought that it can adhere firmly to.
- the hydrolyzable copolymer (A) having a specific structural unit is used as described above, it is not necessary to apply a vinyl resin binder coat.
- This hydrolyzable copolymer preferably satisfies the following conditions 1 and 2.
- Condition 1 The proportion of the structural unit (1) is 30 to 70% by mass and 40 to 65% by mass from the viewpoint of improving the coating film hydrolyzability (consumable property) and the stationary antifouling property. It is desirable.
- Condition 2 The proportion of the structural unit (2) is 5 to 40% by mass and 10 to 30% by mass from the viewpoint of improving the coating film hydrolyzability (consumable property) and the stationary antifouling property. It is desirable.
- This hydrolyzable copolymer (A) has coating workability, long-term storage stability, coating film water resistance (mechanical properties), coating film hydrolyzability (consumable), stationary antifouling property, coating film appearance
- the antifouling coating composition of the present invention is usually contained in an amount of 5 to 50% by mass, preferably 7 to 30% by mass.
- the antifouling paint composition of the present invention is contained in an amount of about 5 to 50% by mass, preferably about 7 to 30% by mass, in 100% by mass of the solid content (heating residue and non-volatile content).
- the solid content (heated residue) contained in the antifouling coating composition means that 1.5 g of the antifouling coating composition is held in a thermostatic bath for 1 hour under the condition of 125 ° C. It was obtained by removing.
- the polymerizable monomer (iii) having a polymerizable double bond means a monomer excluding triisopropylsilyl methacrylate (i) and 2-methoxyethyl (meth) acrylate (ii), and polymerizable double bond (for example, vinyl Group and (meth) acryloyl group) and copolymerized with the monomer (i) (ie triisopropylsilyl methacrylate (i)) or monomer (ii) (ie 2-methoxyethyl (meth) acrylate (ii)) To do.
- the polymerizable monomer (iii) is preferably an ester having a polymerizable double bond or a carboxylic acid having a polymerizable double bond.
- the compatibility with triisopropylsilyl methacrylate (i) and 2-methoxyethyl (meth) acrylate (ii) is good, and triisopropylsilyl methacrylate (i)
- the reactivity with 2-methoxyethyl (meth) acrylate (ii) is almost the same, so structural units derived from each monomer are incorporated evenly (randomly) and compatibility with solvents is also good Silyl methacrylic copolymer (A) can be prepared.
- the resulting polymer is a homopolymer or a copolymer with non-uniform component units.
- the polymerizable monomer (iii) is a compound as described above, such problems can be reduced and the hydrolyzable copolymer (A) can be stably prepared.
- esters and carboxylic acids used as the polymerizable monomer (iii) include (meth) acrylic esters, polymerization, excluding the triisopropylsilyl methacrylate (i) and 2-methoxyethyl (meth) acrylate (ii). And monocarboxylic acids, dicarboxylic acids or half esters (monoesters) or diesters thereof, vinyl esters, metal ester group-containing (meth) acrylates, and organosiloxane group-containing (meth) acrylates. Examples of the polymerizable monomer (iii) other than esters and carboxylic acids include styrenes.
- polymerizable monomer (iii) examples include (meth) acrylic acid methyl ester, (meth) acrylic acid ethyl ester, (meth) acrylic acid butyl ester, (meth) acrylic acid 2-ethylhexyl ester, ( (Meth) acrylic acid lauryl ester, (meth) acrylic acid tridecyl ester, (meth) acrylic acid stearyl ester, (meth) acrylic acid allyl ester, (meth) acrylic acid cyclohexyl ester, (meth) acrylic acid benzyl ester, (meta ) Isobornyl acrylate ester, (meth) acrylic acid ethoxy ester, (meth) acrylic acid glycidyl ester, (meth) acrylic acid tetrahydrofurfuryl ester, (meth) acrylic acid hydroxyethyl ester, (meth) acrylic acid hydroxypropiate Ester, (meth) (meth) acrylic acid (me
- the weight average molecular weight (Mw) of the hydrolyzable copolymer (A) is preferably 5,000 to 100,000, more preferably 10,000 to 60,000.
- the antifouling coating composition containing the hydrolyzable copolymer (A) having a weight average molecular weight in such a range has good hydrolyzability of the coating film when it is formed, and is allowed to stand still In addition to further improved long-term mechanical properties (when immersed in water for a long period of time, adhesion of the antifouling coating of the present invention to the base material, undercoat, etc. and appearance characteristics such as cracks) Etc.).
- the said weight average molecular weight is a value measured by the gel permeation chromatography (GPC) method and calculated
- GPC gel permeation chromatography
- hydrolyzable copolymer (A) content of structural unit (1) and total mass of structural units (1), (2) and (3) ((1) + (2) + (3))
- the mass ratio ((1) / [(1) + (2) + (3)]) (containing mass ratio (I)) is, for example, 30/100 to 70/100, preferably 40/100 to 65 / 100, more preferably 45/100 to 65/100.
- the antifouling paint composition has good coating hydrolyzability (consumable), stationary antifouling property, and coating water resistance (mechanical properties). You can get things.
- Mass ratio ((2) / [(1) +) of structural unit (2) and total mass of structural units (1), (2) and (3) ((1) + (2) + (3)) (2) + (3)]) (content mass ratio (II)) is, for example, 5/100 to 40/100, preferably 7/100 to 35/100, particularly preferably 10/100 to 30. / 100.
- the antifouling coating film formed from the antifouling coating composition has a sufficient coating depletion property when immersed in water, particularly seawater. Renewability), it exhibits long-term antifouling properties such as good stationary antifouling properties, and the occurrence of cracks can be reduced over a long period of time, and excellent adhesion can be obtained.
- Mass ratio ((3) / [(1) +) of structural unit (3) and total mass of structural units (1), (2) and (3) ((1) + (2) + (3)) (2) + (3)]) (mass ratio (III)) is, for example, 3/100 to 65/100, preferably 5/100 to 50/100, particularly preferably 7/100. ⁇ 40/100.
- the hydrolyzable copolymer (A) comprises a known polymerization method comprising triisopropylsilyl methacrylate (i), 2-methoxyethyl (meth) acrylate (ii) and a polymerizable monomer (iii) having a polymerizable double bond. Is prepared by copolymerization.
- the polymerization method include solution polymerization, bulk polymerization, semi-batch polymerization, suspension polymerization, coordination polymerization, radical polymerization or ionic polymerization in living polymerization or emulsion polymerization.
- radical polymerization catalyst known catalysts can be widely used.
- known catalysts can be widely used.
- AMBN 2,2′-azobis (2-methylbutyro Nitrile)
- 2,2'-azobis (2,4-dimethylvaleronitrile) 2,2'-azobis-isobutyronitrile
- benzoyl peroxide t-butylperoxy-2 -Peroxides such as ethyl hexanoate, t-butyl peroxybenzoate, t-butyl
- the ratio of the charged amounts (mass) of the monomers (1) to (3), which are monomers used for the polymerization reaction, is the structural unit (1) to (3) included in the prepared copolymer, respectively. It tends to coincide with the ratio of each content (mass). Therefore, the above conditions 1 and 2 adjust the contained mass ratio (I) and the contained mass ratio (II) to desired values based on the charged amount (mass) and charged mass ratio of the monomers to be subjected to the polymerization reaction. be able to.
- cuprous oxide (B) The average particle diameter of the cuprous oxide (B) contained in the antifouling coating composition of the present invention is 4.5 to 50 ⁇ m.
- Cuprous oxide (B) has a particle size distribution range of 0.1 to 100 ⁇ m, preferably an average particle size of 4.5 to 30 ⁇ m and a particle size distribution range of 0.15 to 70 ⁇ m. Used.
- cuprous oxide (B) contains a very small amount (for example, 0.5% by mass or less, preferably 0.1% by mass or less) of particles whose particle size distribution is out of the above range, and the particle size distribution is within the above range. May be included in the remaining amount (for example, 99.5% by mass or more, preferably 99.9% by mass or more).
- the content of cuprous oxide (B) is preferably 10 to 100 parts by mass with respect to 100 parts by mass of the hydrolyzable copolymer (A) from the viewpoint of improving the long-term antifouling property and adhesion of the antifouling coating film. 800 parts by mass, more preferably 100 to 750 parts by mass.
- cuprous oxides (B) are preferably surface-treated with glycerin, stearic acid, lauric acid, sucrose, lecithin, mineral oil, etc. from the viewpoint of long-term stability during storage.
- the average particle diameter of cuprous oxide (B) can be measured by the [Method for Measuring Average Particle Diameter of Cuprous Oxide] described in the Examples.
- the coating film is observed with a scanning electron microscope at a magnification of 1000, it can be confirmed by the presence or absence of cuprous oxide having a particle diameter of 4.5 to 50 ⁇ m.
- the antifouling coating composition of the present invention promotes elution of the antifouling agent from the antifouling coating film formed from the composition, and in particular, from the viewpoint of improving static antifouling properties, rosins and / or It is essential to contain a monocarboxylic acid compound.
- rosins include rosins such as gum rosin, wood rosin and tall oil rosin, and rosin derivatives such as hydrogenated rosin and disproportionated rosin.
- Monocarboxylic acid compounds include aliphatic or alicyclic mono Specific examples of the monocarboxylic acid compound include carboxylic acid, monocarboxylic acid derivatives thereof, and metal salts thereof. Examples of the monocarboxylic acid compound include trimethylisobutenylcyclohexenecarboxylic acid, naphthenic acid, versatic acid, stearic acid, salicylic acid, and the like. Examples include salt. These may be used alone or in combination of two or more.
- the content mass ratio (WA) of the content (WA) of the hydrolyzable copolymer (A) and the content (WC) of rosins and / or monocarboxylic acid compounds / WC) is preferably 99.9 / 0.1 to 30/70, more preferably 97/3 to 35/65, and still more preferably 95/5 to 40/60.
- the antifouling coating composition of the present invention comprises a hydrolyzable copolymer (A) having a specific structural unit, cuprous oxide (B) having a specific average particle size, rosins and / or It is characterized by combining with a monocarboxylic acid compound (C).
- A hydrolyzable copolymer
- B cuprous oxide
- C monocarboxylic acid compound
- the antifouling coating composition of the present invention comprises an inorganic copper compound (D), an organic antifouling agent (E), a color pigment (F), an extender pigment (G), a pigment dispersant (H), a plasticizer (I), It may contain at least one additive selected from the group consisting of an anti-sagging agent (J), an anti-settling agent (K), a dehydrating agent (L), and a solvent (M).
- D inorganic copper compound
- E organic antifouling agent
- F color pigment
- G extender pigment
- H pigment dispersant
- plasticizer I
- It may contain at least one additive selected from the group consisting of an anti-sagging agent (J), an anti-settling agent (K), a dehydrating agent (L), and a solvent (M).
- J anti-sagging agent
- K anti-settling agent
- L dehydrating agent
- M solvent
- the antifouling coating composition of the present invention contains cuprous oxide (B) having an average particle size of 4.5 to 50 ⁇ m.
- an inorganic copper compound (D) may be further contained. Examples of the inorganic copper compound include copper thiocyanate and cupronickel.
- An inorganic copper compound (D) can be used 1 type or in combination of 2 or more types.
- the content of the inorganic copper compound (D) is 100 masses of the hydrolyzable copolymer (A) from the viewpoint of improving the long-term antifouling property of the antifouling coating film.
- the amount is preferably 0 to 800 parts by mass, more preferably 0 to 600 parts by mass with respect to parts.
- the amount is preferably 0 to 300 parts by mass, more preferably 0 to 250 parts by mass with respect to 100 parts by mass of cuprous oxide (B).
- cuprous oxide having an average particle diameter of less than 4.5 ⁇ m As part of cuprous oxide, cuprous oxide having an average particle diameter of 4.5 ⁇ m or more is used. If more than 30% by mass of the entire cuprous oxide (100% by mass) is used, it is more preferable in terms of good adhesion to the undercoat epoxy resin anticorrosive coating.
- a cuprous oxide having an average particle size of less than 4.5 ⁇ m is preferably surface-treated with glycerin, stearic acid, lauric acid, sucrose, lecithin, mineral oil, etc. from the viewpoint of long-term stability during storage.
- the antifouling coating composition of the present invention is particularly organic in order to improve the antifouling effect on plant marine organisms.
- An antifouling agent (E) can further be contained.
- An organic antifouling agent (E) will not be specifically limited if it is an organic compound which provides antifouling property to an antifouling coating film.
- organic antifouling agent (E) examples include metal pyrithiones such as copper and zinc pyrithione, 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one, 4-bromo-2- (4- Chlorophenyl) -5- (trifluoromethyl) -1H-pyrrole-3-carbonitrile, pyridine triphenylborane, 4-isopropylpyridinediphenylmethylborane, N, N-dimethyl-N ′-(3,4-dichlorophenyl) urea N- (2,4,6-trichlorophenyl) maleimide, 2,4,5,6-tetrachloroisophthalonitrile, 2-methylthio-4-tert-butylamino-6-cyclopropylamino-1,3,5 -Triazine, bisdimethyldithiocarbamoyl zinc ethylene bisdithiocarbamate, chloromethyl-n-n
- the content of the organic antifouling agent (E) is the long-term antifouling property of the antifouling coating film formed from the antifouling coating composition, maintaining the coating water resistance (mechanical properties).
- the amount is preferably 0.1 to 500 parts by mass, more preferably 0.5 to 300 parts by mass with respect to 100 parts by mass of the hydrolyzable copolymer (A).
- the content of the organic antifouling agent (E) is usually 0.1 to 30% by mass, preferably 0.1 to 20% by mass, relative to 100% by mass of the antifouling coating composition (including the solvent). Degree.
- the antifouling coating composition of the present invention contains a color pigment (F) in order to adjust the color tone of the antifouling coating film formed from the antifouling coating composition or to impart an arbitrary color tone. Also good.
- Examples of the color pigment (F) include various known organic or inorganic color pigments.
- Examples of organic coloring pigments include carbon black, naphthol red, and phthalocyanine blue.
- Examples of the inorganic coloring pigment include bengara, barite powder, titanium white, and yellow iron oxide.
- the color pigment (F) can be used alone or in combination of two or more.
- a colorant other than the color pigment (F) such as a dye may be contained together with the color pigment (F) or instead of the color pigment (F).
- the content of the color pigment (F) is such that the antifouling coating film formed from the antifouling coating composition is colored, concealed, exposed to discoloration, antifouling, coated.
- the amount is preferably 0.01 to 100 parts by weight, more preferably 0.01 to 50 parts by weight with respect to 100 parts by weight of the hydrolyzable copolymer (A).
- the content of the color pigment (F) is usually about 0.1 to 30% by mass, preferably about 0.1 to 20% by mass with respect to 100% by mass of the antifouling coating composition (including the solvent). is there.
- the extender pigment (G) can improve film properties such as crack resistance of the antifouling coating film formed from the antifouling coating composition.
- Examples of the extender pigment (G) include talc, silica, mica, clay, potash feldspar, zinc oxide, calcium carbonate, kaolin, alumina white, white carbon, aluminum hydroxide, magnesium carbonate, barium carbonate, barium sulfate and the like. It is done. Among these, talc, silica, mica, clay, calcium carbonate, kaolin, barium sulfate, potassium feldspar, and zinc oxide are preferable. Calcium carbonate and white carbon are also used as an anti-settling agent (K) and a matting agent, which will be described later.
- the extender pigment (G) can be used alone or in combination of two or more.
- the content of the extender pigment (G) is the water resistance (mechanical properties), antifouling property, and coating film of the antifouling coating film formed from the antifouling coating composition.
- the amount is preferably 0.1 to 500 parts by mass, more preferably 10 to 300 parts by mass with respect to 100 parts by mass of the hydrolyzable copolymer (A).
- the content of the extender pigment (G) is usually about 0.1 to 50% by mass, preferably about 0.1 to 40% by mass with respect to 100% by mass of the antifouling coating composition (including the solvent). is there.
- Pigment dispersant (H) examples include various known organic or inorganic pigment dispersants.
- examples of the pigment dispersant include aliphatic amines or organic acids (for example, “Duomine TDO” (manufactured by LION), “Disperbyk101” (manufactured by BYK)).
- the pigment dispersant (H) can be used alone or in combination of two or more.
- the content of the pigment dispersant (H) is from the viewpoint of reducing the paint viscosity of the antifouling paint composition and improving the anti-fouling effect of the antifouling coating film.
- the amount is preferably 0.01 to 100 parts by mass, more preferably 0.01 to 50 parts by mass with respect to 100 parts by mass of the hydrolyzable copolymer (A).
- the content of the pigment dispersant (H) is usually about 0.1 to 10% by mass, preferably about 0.1 to 5% by mass with respect to 100% by mass of the antifouling coating composition (including the solvent). It is.
- the antifouling coating composition of the present invention preferably contains a plasticizer (I) in order to improve the crack resistance of the resulting antifouling coating film.
- the plasticizer (I) include chlorinated paraffin (chlorinated paraffin), petroleum resins, ketone resins, TCP (tricresyl phosphate), polyvinyl ethyl ether, dialkyl phthalate, and the like. From the viewpoint of improving the water resistance (mechanical properties) and hydrolyzability (consumability) of the antifouling coating film formed from the antifouling coating composition, the plasticizer (I) is among these. Chlorinated paraffin (chlorinated paraffin), petroleum resins or ketone resins are preferred. In addition, plasticizer (I) may be used individually by 1 type, and may be used in combination of 2 or more types.
- the chlorinated paraffin may have a linear or branched molecular structure, and may be liquid or solid (eg, powder) at room temperature (eg, 23 ° C.). Further, chlorinated paraffin usually has an average carbon number of 8 to 30, preferably 10 to 26, in one molecule.
- Such an antifouling coating composition containing chlorinated paraffin can form an antifouling coating film with few cracks or peeling. When the average carbon number is less than 8, the effect of suppressing the occurrence of cracks in the antifouling coating film may be insufficient. On the other hand, when the average carbon number exceeds 30, the antifouling coating film is hydrolyzed. Property (updating property, cleaning property) may be reduced, and as a result, the antifouling property may be deteriorated.
- the viscosity (unit poise, measurement temperature 25 ° C.) is usually 1 or more, preferably 1.2 or more, and the specific gravity (25 ° C.) is usually 1.05 to 1.80, preferably 1 .10 to 1.70.
- the chlorination rate (chlorine content) of chlorinated paraffin is usually 35 to 70% by mass, preferably 35 to 65% by mass, when chlorinated paraffin is 100% by mass.
- the antifouling coating composition containing chlorinated paraffin having such a chlorination rate can form a coating film with few cracks, cracks and the like.
- Specific examples of such chlorinated paraffins include “Toyoparax 150” and “Toyoparax A-70” (both manufactured by Tosoh Corporation).
- examples of petroleum resins include C5, C9, styrene, or dichloropentadiene petroleum resins, and hydrogenated products thereof.
- Specific examples of petroleum resins include “Quinton 1500” and “Quinton 1700” (both manufactured by Nippon Zeon Co., Ltd.).
- the content of the plasticizer (I) is such that the antifouling coating film formed from the antifouling coating composition is hydrolyzable (consumable), antifouling, and the coating film. From the viewpoint of improving water resistance (mechanical properties), it is preferably 0.1 to 300 parts by weight, more preferably 0.1 to 200 parts by weight with respect to 100 parts by weight of the hydrolyzable copolymer (A). More preferably, it is 0.1 to 150 parts by mass. Further, the content of the plasticizer (I) is usually about 0.1 to 30% by mass, preferably about 0.1 to 20% by mass with respect to 100% by mass of the antifouling coating composition (including the solvent). is there.
- the antifouling coating composition of the present invention has a sagging-preventing agent (J) (a flow-preventing agent) from the viewpoint of reducing the occurrence of sagging due to the coating composition when a substrate is coated with the antifouling coating composition. May also be included).
- J a sagging-preventing agent
- anti-sagging agent (J) examples include amide wax, hydrogenated castor oil wax, a mixture thereof, and synthetic finely divided silica.
- the anti-sagging agent (J) can be used alone or in combination of two or more.
- the sagging inhibitor (J) is preferably amide wax or synthetic fine silica.
- amide wax or synthetic fine powder silica is used as the anti-sagging agent (J)
- the content of the anti-sagging agent (J) is preferably 0.1 to 100 parts by mass, more preferably 100 parts by mass with respect to 100 parts by mass of the hydrolyzable copolymer (A). 0.1 to 50 parts by mass.
- the content of the anti-sagging agent (J) is usually about 0.1 to 20% by mass, preferably about 0.1 to 10% by mass with respect to 100% by mass of the antifouling coating composition (including the solvent).
- the content of the anti-sagging agent (J) is set within such a range, the storage stability of the antifouling coating composition is improved, and after the antifouling coating is formed, the same kind is applied on the antifouling coating.
- a coating composition antifouling coating composition
- a coating film top coating film
- the adhesion between the antifouling coating film and the top coating film it is possible to prevent a decrease in the stackability.
- the antifouling coating composition of the present invention may contain an anti-settling agent (K) from the viewpoint that it is possible to prevent the occurrence of precipitates in the coating composition during storage and to improve the stirring ability.
- anti-settling agent (K) examples include Al, Ca or Zn stearate, polyethylene wax, polyethylene oxide wax and the like.
- the anti-settling agent (K) can be used alone or in combination of two or more.
- the antisettling agent (K) is preferably an oxidized polyethylene wax.
- a commercially available product of oxidized polyethylene wax is “Disparon 4200-20” (manufactured by Enomoto Kasei Co., Ltd.).
- the content of the antisettling agent (K) is preferably 0.1 to 100 parts by mass, more preferably 100 parts by mass with respect to 100 parts by mass of the hydrolyzable copolymer (A). 0.1 to 50 parts by mass.
- the content of the anti-settling agent (K) is usually about 0.1 to 20% by mass, preferably about 0.1 to 10% by mass with respect to 100% by mass of the antifouling coating composition (including the solvent). It is. When the content of the anti-settling agent (K) is set in such a range, the storage stability of the antifouling coating composition is improved, and after the antifouling coating is formed, the same kind is formed on the antifouling coating.
- the antifouling coating composition of the present invention has excellent storage stability by using the hydrolyzable copolymer (A) having good storage stability, but a dehydrating agent (L) is added as necessary. By doing so, it becomes possible to obtain further excellent long-term storage stability.
- dehydrating agent (L) as an inorganic dehydrating agent, from the group consisting of synthetic zeolite, anhydrous gypsum and hemihydrate gypsum, as an organic dehydrating agent, tetramethoxysilane, tetraethoxysilane, tetrabutoxysilane, tetraphenoxysilane, Selected from the group consisting of alkoxysilanes such as methyltriethoxysilane, dimethyldiethoxysilane, and trimethylethoxysilane, or polyalkoxysilanes that are condensates thereof, and orthoformate alkyl esters such as methyl orthoformate and ethyl orthoformate At least one kind of dehydrating agent is preferred.
- These dehydrating agents (L) are preferably contained in an amount of 0.1 to 50 parts by mass with respect to 100 parts by mass of the hydrolyzable copolymer (A).
- the antifouling coating composition of the present invention is water or an organic solvent as necessary.
- a solvent (M) such as
- the antifouling paint composition of this invention may contain the solvent used when preparing a hydrolyzable copolymer (A) as a solvent (M), or hydrolyzable copolymer ( When mixing A) and other components as required, a solvent added separately may be included.
- organic solvents examples include aromatic organic solvents such as xylene, toluene, and ethylbenzene; ketones such as methyl ethyl ketone, methyl isobutyl ketone, and cyclohexanone; aliphatics such as ethanol, isopropyl alcohol, n-butanol, and isobutanol (1 to 10 and preferably about 2 to 5) monohydric alcohols; ester solvents such as ethyl acetate and butyl acetate; and the like.
- a solvent (M) can be used 1 type or in combination of 2 or more types.
- the content of the solvent (M) is preferably 100 to 500 parts by mass, more preferably 150 to 350 parts by mass, with respect to 100 parts by mass of the hydrolyzable copolymer (A). Part.
- the content of the solvent (M) in the antifouling coating composition of the present invention is usually 20 to 80% by mass, preferably 30 to 70% by mass, when the antifouling coating composition is 100% by mass. However, it is preferably used in such an amount that the VOC content is less than 400 g / L.
- the antifouling coating composition of the present invention may be produced by appropriately using known methods.
- the hydrolyzable copolymer (A), cuprous oxide (B) having an average particle diameter of 4.5 to 50 ⁇ m, rosin and / or monocarboxylic acid compound (C), and (D ) To (M) may be added to the stirring vessel all at once or in any order, and each component may be mixed by a known stirring / mixing means and dispersed or dissolved in the solvent.
- cuprous oxide (B) having an average particle diameter of 4.5 to 50 ⁇ m cuprous oxide having an average particle diameter of 4.5 to 50 ⁇ m may be prepared and mixed with other components, or the average A cuprous oxide having a particle diameter of 4.5 ⁇ m or more is prepared. Separately, a cuprous oxide having an average particle diameter of less than 4.5 ⁇ m is prepared, and the average particle diameter of the cuprous oxide as a whole is 4. You may mix with another component in the ratio which will be 5-50 micrometers.
- an amide wax for example, Disparon A630-20X or the like
- dispersed for example, 10 to 10
- production of dripping can be reduced when apply
- a solvent (M) from the time of preparation of a hydrolysable copolymer (A) as mentioned above.
- the agitation / mixing means include a high speed disper, a sand grind mill, a basket mill, a ball mill, a three roll, a loss mixer, a planetary mixer, and a universal Shinagawa agitator.
- the antifouling coating composition thus obtained has a volatile organic compound (VOC) content of usually less than 400 g / L.
- the antifouling coating film of the present invention is formed from the antifouling coating composition described above. That is, the antifouling coating film of the present invention comprises the solid content of the antifouling coating composition of the present invention.
- the antifouling coating film of the present invention is formed from the antifouling coating composition of the present invention.
- the antifouling coating composition contains a solvent (M)
- the antifouling coating composition of the present invention applied on a substrate is used.
- the soil coating composition can be formed by curing using a drying means such as natural drying or a heater (ie, removing the solvent (M)).
- the antifouling substrate of the present invention is formed by laminating a substrate and the antifouling coating film.
- the antifouling base material is not particularly limited, but is preferably a base material that comes into contact with seawater or fresh water, and specifically, water supply / drainage ports of various power plants (thermal power, nuclear power), gulf coasts, and the like.
- Underwater structures such as sludge diffusion prevention films used in roads, undersea tunnels, harbor facilities or various marine / river civil engineering works such as canals and waterways, ships (especially from the draft section of the ship to the bottom of the ship), fishing materials (ropes, Fishing gear such as fish nets, floats or buoys).
- the materials of the base material used for these antifouling base materials are steel, aluminum, wood, FRP, etc., especially for ships, and for floats, buoys, etc., those made of synthetic resin are used.
- the material is not particularly limited as long as the base material is required to have dirtiness or the like.
- the antifouling substrate of the present invention is formed by forming an epoxy resin-based anticorrosive coating (epoxy resin-containing coating) (P) on the surface of the substrate, and then applying the antifouling coating composition to the antifouling coating (antifouling coating). It is preferable that it is an aspect which forms the antifouling coating film (Q) which is a cured film of a stain coating composition.
- an antifouling substrate exhibits excellent adhesion over a long period of time as well as long-term antifouling properties and long-term physical properties.
- the coating interval limit can be extended (relaxed) during production. Furthermore, since an intermediate vinyl-based binder coat is not required, the coating process can be shortened.
- the antifouling base material has a constitution of base material / epoxy resin coating film (P) / antifouling coating film (Q), and more specifically, the base material / epoxy.
- a plurality of epoxy resin-based anticorrosion coating films (P1), epoxy resin-based binder coating films (P2), and antifouling coating films (Q) may be laminated.
- the substrate may be primed.
- the epoxy resin-based coating film (P) is preferably laminated directly on the substrate.
- the antifouling coating film (Q) is preferably laminated directly on the epoxy resin coating film (P).
- the epoxy resin-based coating film (P) will be described.
- the epoxy resin-based coating film (P) is obtained from the epoxy resin-based coating composition (p).
- the epoxy resin coating composition (p) preferably includes (p-1) a bisphenol type epoxy resin and (p-3) an amine curing agent, and further includes (p-2) a vinyl copolymer. May be.
- the bisphenol type epoxy resin those having an epoxy equivalent of preferably 160 to 500, more preferably 180 to 500 are used. Such epoxy resins are usually liquid to solid.
- the epoxy equivalent of the bisphenol-type epoxy resin blended in the coating composition of the present invention is preferably in the above range from the viewpoints of both the adhesive strength of the coating composition and the workability during coating.
- bisphenol type ones are included, so that the film formed by coating is strong and flexible, and therefore has excellent adhesion.
- Specific examples of such bisphenol type epoxy resins include bisphenol A type and bisphenol F type epoxy resins, dimer acid-modified and polysulfide-modified epoxy resins, and hydrogenated products of these bisphenol type epoxy resins. Can be mentioned.
- bisphenol A type epoxy resin examples include bisphenol A diglycidyl ether, bisphenol A polypropylene oxide diglycidyl ether, bisphenol A ethylene oxide diglycidyl ether, hydrogenated bisphenol A diglycidyl ether, hydrogenated bisphenol A propylene oxide diglycidyl ether, and the like.
- Bisphenol A type diglycidyl ether and the like, and examples of the bisphenol F type epoxy resin include bisphenol F type diglycidyl ether such as bisphenol F diglycidyl ether.
- bisphenol A type epoxy resins are preferred.
- jER 828 (trade name)” (manufactured by Mitsubishi Chemical Corporation, epoxy equivalents 184 to 194, viscosity 12,000 to 15,000 cPs / 25 ° C.)
- Epototo YDF-170 (trade name)” (manufactured by Tohto Kasei Co., Ltd., epoxy equivalent 160 to 180, viscosity 2,000 to 5,000 cPs)
- “Flep 60 (trade name)” East Rethiocol ( Manufactured by Co., Ltd., epoxy equivalent of about 280, viscosity of about 17,000 cPs / 25 ° C.), etc.
- semi-solid at room temperature “jER 834-90X (trade name)” (Mitsubishi Chemical Corporation) And epoxy equivalent 230-270), “Epototo YD134 (trade name)” (manufactured by Tohto Kase
- an epoxy resin other than the above can be used together with the bisphenol type epoxy resin (p-1).
- a small amount of epoxy resin other than the bisphenol type does not violate the object of the present invention, for example, a bisphenol type. It can be used in an amount of 60 parts by mass or less with respect to 100 parts by mass of the epoxy resin (p-1).
- non-bisphenol type epoxy resins include cycloaliphatic, acyclic aliphatic, and epoxidized oil-based epoxy resins.
- vinyl copolymer (p-2) examples include vinyl chloride-vinyl acetate copolymer, vinyl chloride-vinyl propionate copolymer, vinyl chloride-vinyl alkyl ether copolymer, vinyl chloride- Acrylonitrile copolymer, vinyl chloride-diethyl maleate copolymer, vinyl chloride-ethylene copolymer, vinyl chloride-maleic anhydride copolymer, vinyl chloride- (meth) acrylic acid alkyl copolymer (alkyl group: carbon) 1 to 5), vinyl chloride-styrene copolymer, vinyl chloride-vinylidene chloride copolymer, vinyl chloride-vinyl stearate copolymer, vinyl chloride-maleic acid (or maleate ester) copolymer, chloride Examples thereof include vinyl-aliphatic vinyl copolymers and ethylene-vinyl acetate copolymers.
- a grafted modified product of polyvinyl chloride obtained by grafting and modifying "other monomers” other than vinyl chloride in a vinyl chloride copolymer, or a vinyl chloride monomer on "other polymers” other than polyvinyl chloride.
- examples include grafted copolymers.
- the “other monomer” examples include (meth) acrylic acid alkyl ester (alkyl group: about 1 to 5 carbon atoms), styrene, acrylonitrile, diethyl maleate, olefin, which are monomers for forming the vinyl chloride copolymer. (Eg, ethylene, propylene), maleic anhydride, vinylidene chloride, stearic acid, maleic acid, maleic acid ester, aliphatic vinyl and the like.
- vinyl copolymers (p-2) vinyl chloride-vinyl alkyl ether copolymers and ethylene-vinyl acetate copolymers are particularly good for affinity with bisphenol-type epoxy resins (p-1). It is preferable because it is excellent and has excellent top coatability and corrosion resistance.
- the vinyl chloride-vinyl alkyl ether copolymer is a copolymer of vinyl chloride and a vinyl alkyl ether having an alkyl group having 1 to 10 carbon atoms, preferably 2 to 5 carbon atoms.
- Vinyl isobutyl ether copolymer, vinyl chloride-vinyl isopropyl ether copolymer, vinyl chloride-vinyl ethyl ether copolymer and the like are preferably used.
- the weight average molecular weight (Mw) of such a vinyl copolymer (p-2) is usually 10,000 to 100,000, preferably 20,000 to 50,000, particularly preferably 22,000 to 40,000. 000 is desirable. When the weight average molecular weight is in the above range, the affinity with the epoxy resin tends to be improved.
- vinyl chloride-vinyl alkyl ether copolymers as the vinyl chloride-vinyl isobutyl ether copolymer, “Laroflex LR8829 (trade name)”, “Laroflex MP25 (trade name)”, “ Examples include “Laroflex MP35 (trade name)” and “Laroflex MP45 (trade name)”.
- These vinyl copolymers can be used alone or in combination of two or more.
- These vinyl copolymers (p-2) are usually used in an amount of 5 to 40 parts by weight, preferably 7 to 30 parts by weight, based on 100 parts by weight of the bisphenol type epoxy resin (p-1). .
- the vinyl copolymer (p-2) is contained in the coating composition in such an amount, the compatibility with the bisphenol type epoxy resin (p-1) is good, and both the anticorrosion property and the top coatability are good. There is a tendency to be good.
- the blending ratio of the vinyl copolymer (p-2) is preferably in the above range from both aspects of the anticorrosive performance of the coating film and the top coatability of the top coat.
- thermoplastic resin other than the vinyl copolymer (p-2) is contained within a range not departing from the object of the present invention. May be.
- the other thermoplastic resin is vinyl based on 100 parts by mass of the bisphenol type epoxy resin (p-1).
- the total amount of the thermoplastic resin component including the copolymer (p-2) is usually contained in an amount of 5 to 40 parts by mass, preferably 7 to 30 parts by mass, particularly preferably 10 to 30 parts by mass. It may be.
- thermoplastic resin containing the vinyl copolymer (p-2) acts as an internal stress relieving agent when the epoxy resin coating composition (p) is cured.
- the thermoplastic resin is solvent-soluble and is dissolved by the solvent in the top coating, so that the adhesion of the epoxy layer to the top coating is improved. It can improve and extend (relax) the application interval limit of the epoxy paint, contributing to the expansion of the applicable types of various top coat paints that can be applied on the epoxy layer.
- thermoplastic resin other than the vinyl copolymer (p-2) include chlorinated polyolefins such as chlorinated rubber, chlorinated polyethylene, and chlorinated polypropylene; methyl (meth) acrylate copolymer Acrylic resins such as coalesced, (meth) acrylic acid propyl copolymer, (meth) butyl acrylate copolymer, (meth) acrylic acid cyclohexyl copolymer; styrene resin; aromatic petroleum resin; Examples include aliphatic petroleum resins; urea aldehyde condensation resins; ketone resins; coumarone indene resins; pentadiene polymers. These thermoplastic resins can be used alone or in combination of two or more.
- amine-based curing agent (p-3) As the amine-based curing agent (p-3), an amine-based curing agent such as aliphatic, alicyclic, aromatic or heterocyclic is usually used.
- the epoxy resin coating composition (p) blended with such an amine curing agent (p-3) can be cured at room temperature, so it is usually applied in a room temperature environment such as painting of a ship's outer plate. It is preferable for such applications.
- aliphatic amines examples include diethylenetriamine, dipropylenetriamine, tetraethylenepentamine, totimethylhexamethylenediamine, tetrakis (2-aminoethylaminomethyl) methane, 1,3-bis (2′-aminoethylamino) propane, And triethylene-bis (trimethylene) hexamine, bis (3-aminoethyl) amine, bis (cyanoethyl) diethylenetriamine, bishexamethylenetriamine [H 2 N (CH 2 ) 6 NH (CH 2 ) 6 NH 2 ] and the like. .
- alicyclic amines examples include 4-cyclohexanediamine, 4,4′-methylenebiscyclohexylamine, 4,4′-isopropylidenebiscyclohexylamine, norbornanediamine (NBDA / 2,5- and 2,6-bis ( Aminomethyl) -bicyclo [2,2,1] heptane), bis (aminomethyl) cyclohexane, diaminodicyclohexylmethane, isophoronediamine (IPDA / 3-aminomethyl-3,5,5-trimethylcyclohexylamine), mensendiamine , Etc.
- aromatic amines include bis (aminoalkyl) benzene, bis (aminoalkyl) naphthalene, and aromatic polyamine compounds having two or more primary amino groups bonded to the benzene ring.
- aromatic amines include bis (aminoalkyl) benzene, bis (aminoalkyl) naphthalene, and aromatic polyamine compounds having two or more primary amino groups bonded to the benzene ring.
- MXDA m-xylylenediamine
- p-xylylenediamine p-xylylenediamine
- phenylenediamine naphthylenediamine
- diaminodiphenylmethane diaminodiethylphenylmethane
- 2,2-bis (4-amino) Phenyl) propane 4,4′-diaminodiphenyl ether, 4,4′-diaminobenzophenone, 4,4′-diamin
- Heterocyclic amines include N-methylpiperazine, morpholine, 1,4-bis- (3-aminopropyl) -piperazine, piperazine-1,4-diazacycloheptane, 1- (2′-aminoethylpiperazine) 1- [2 ′-(2 ′′ -aminoethylamino) ethyl] piperazine, 1,11-diazacycloeicosane, 1,15-diazacyclooctacosane and the like.
- modified amines such as polyamides of these amines and modified products thereof, epoxy adducts to which an epoxy compound is added, Mannich modified products, and carboxylic acid modified products can also be used.
- polyamide and modified products thereof are preferable in terms of corrosion resistance and adhesion.
- the amine value of such an amine curing agent (p-3) is usually 50 to 1,000, preferably 80 to 500.
- the balance between drying property and adhesion tends to be improved.
- These curing agents are usually liquid to solid.
- polyamides include, for example, “Rakkamide N-153 (trade name)” (manufactured by DIC Corporation, amine value 80 to 120), “Rakkamide TD-966 (trade name)” (DIC). And “Sanmide 315 (trade name)” (manufactured by Sanwa Chemical Industry Co., Ltd., amine value 280 to 340).
- modified polyamide examples include, for example, “PA-23 (trade name)” of an epoxy adduct formed by adding an epoxy compound to polyamide (Akira Ohtake Shin Chemical Co., Ltd., amine value 80 to 80). 150), “Adeka Hardener EH-350 (trade name)” (manufactured by ADEKA Corporation, amine value 320 to 380), which is a Mannich modified product of modified polyamide, and the like.
- an adduct of an epoxy compound is preferably used.
- modified amines specifically, “Ancamine 2074 (trade name)” (produced by Air Products Japan Co., Ltd., amine value 325 to 355), which is a modified alicyclic polyamine, modified phenalkamine Certain “Card Light 541LV (trade name)” (Cardolite Corp., amine value 260-350), “Card Light CM-5055 (trade name)” (Cardolite Corp., amine value 150-250), etc.
- amine MCA (trade name) (produced by Air Products Japan Co., Ltd., amine value 250 to 350), which is a ketimine type modified alicyclic polyamine.
- amine curing agents (p-3) can be used alone or in combination of two or more.
- the amine curing agent (p-3) is an equivalent ratio of the epoxy component to the amine component (epoxy component) with respect to the bisphenol type epoxy resin (p-1) in the epoxy resin coating composition (p).
- Amine component is usually used in an amount of 1: 0.25 to 1: 0.9, preferably 1: 0.3 to 1: 0.8.
- these amine-based curing agents (p-3) are usually 10 to 10 parts per 100 parts by mass of the bisphenol-type epoxy resin (p-1) in the epoxy resin-based coating composition (p). It is used in an amount of 80 parts by weight, preferably 20 to 70 parts by weight.
- another curing agent for epoxy resin may be included as long as it does not contradict its purpose.
- the “other epoxy resin curing agent” is not particularly limited as long as it can react and cure the epoxy resin.
- Carboxylic acids and acid anhydrides other than the amine curing agent (p-3) are not limited. And silanol-based curing agents.
- epoxy resin coating composition (p) various plasticizers, extender pigments, coloring pigments, rust preventive pigments, solvents, curing accelerators, coupling agents, sagging inhibitors, anti-settling agents and the like are blended. It may be.
- the epoxy resin (p) epoxy resin coating
- the epoxy resin (p-1) and vinyl copolymer As a two-part type of a main agent containing a coalescence (p-2) and a curing agent containing an amine-based curing agent (p-3), or containing an epoxy resin (p-1) And a curing agent containing a vinyl copolymer (p-2) and an amine curing agent (p-3).
- a two-pack type is desirable.
- the composition containing components (p-1) and (p-3) is specifically preferably used as an epoxy resin anticorrosion coating composition (p1), and the components (p-1), (p- The composition containing 2) and (p-3) is suitably used as an epoxy resin-based anticorrosive coating composition (p1) and an epoxy resin-based binder coating composition (p2).
- the epoxy resin-based anticorrosive coating composition (p1) and the epoxy resin-based binder coating composition (p2) may contain the other additives described above.
- group anticorrosion coating composition (p1) is an epoxy resin type anticorrosion coating film (P1)
- group binder coating composition (p2) is epoxy. It is called a resin binder coating film (P2).
- the method for producing an antifouling substrate is characterized in that the antifouling coating composition is cured on the surface of the substrate to form an antifouling coating film.
- the antifouling substrate of the present invention is prepared by applying the antifouling coating composition of the present invention to a substrate (object, object to be coated) such as air spray, airless spray, brush, roller, etc.
- the coating composition applied or impregnated on the base material is applied or impregnated using, for example, natural drying (temperature of about room temperature) or dried and cured using a drying means such as a heater, An antifouling coating film is formed on a substrate.
- the primer surface is primed on the surface of the base material, or by directly applying an epoxy resin-based paint on the surface of the base-treated base material and then curing, to form an epoxy resin-based coating once or It is preferable to apply the antifouling paint composition (antifouling paint) of the present invention a plurality of times and cure the applied antifouling paint composition to form an antifouling coating film.
- the epoxy resin coating (P) and antifouling coating (Q) are formed on the surface of the base material, aquatic organisms such as sea bream, barnacles, aonori, cell plastic, oysters, scabbard, etc. are prevented from sticking for a long period of time.
- Excellent properties antifouling properties, especially static antifouling properties
- antifouling components eg, copper or inorganic copper compounds (B and D components), organic antifouling agents (E components)
- the antifouling component can be gradually released over a long period of time.
- an undercoat anticorrosive paint such as an epoxy resin is usually applied to the surface of the base material for rust prevention and cured.
- the antifouling coating composition is applied to the surface or directly on the steel surface multiple times (thick coating: dry film thickness of about 100 to 1000 ⁇ m, or about 100 to 600 ⁇ m), and the resulting antifouling substrate has excellent coating adhesion In addition to performance and antifouling properties, it exhibits moderate flexibility and excellent crack resistance in a well-balanced manner.
- the antifouling coating film of this invention may further form on the surface of the base material in which the antifouling coating film of this invention or the conventional antifouling coating film was formed for the purpose of repair.
- the thickness of the antifouling coating film formed by one coating is not particularly limited, but when the substrate is a ship or an underwater structure, for example, it is about 30 to 250 ⁇ m / time.
- the ship and the underwater structure having the antifouling coating film of the present invention can prevent adhesion of aquatic organisms over a long period of time, and thus have excellent adhesion over a long period of time.
- the function of the structure can be maintained for a long time.
- the antifouling paint composition of the present invention can be prepared using the same apparatus, means, etc. as those of known general antifouling paints.
- this resin reaction solution
- cuprous oxide (B) and (C) to (M) components cuprous oxide (B) and (C) to (M) components
- Comparative Examples 3 and 4 The rosin copper salt and zinc salt may be produced by adding them to the solvent all at once or sequentially and stirring and mixing them.
- Example 1 10.2 parts by mass of xylene, 21.8 parts by mass of copolymer solution (a1), and 4.4 parts by mass of component (C) rosin are added to a plastic container (capacity: 500 ml). The components were mixed using a paint shaker until each component was uniformly dispersed or dissolved. Thereafter, in a plastic container, 50 parts by mass of component (B) cuprous oxide Purple® Copp, other additives (1.8 parts by mass of talc FC-1, zinc oxide (Zinc Hua 3) 3.8 parts by mass, valve Pattern No.
- Disparon A630-20X 1.0 part by mass of Disparon A630-20X was further added and stirred for 20 minutes using a paint shaker. The mixture was then filtered through a filter screen (opening: 80 mesh) to remove the residue, and the filtrate was removed. (Coating composition A1) was obtained.
- Example 2 to 12 and Comparative Examples 1 to 5 Reference Example 6
- the coating composition was the same as in Example 1 except that the solvent, polymer solution, B and C components and other additives used in Example 1 were changed as shown in Tables 2 to 3. A product was prepared.
- the coating compositions were prepared by the above method for Examples 1 to 12, Comparative Examples 1 to 5, and Reference Example 6, and the obtained coating compositions were used for the following “characteristic evaluation”.
- the results obtained in accordance with the test conditions described are shown in Tables 4-1 to 4-9 and 5-1 to 5-6.
- the coating compositions A1 to A12 and the coating compositions B1 to B6 shown in Tables 4-1 to 4-9 and 5-1 to 5-6 were respectively used in Examples 1 to 12 and Comparative Examples 1 to 5, The coating composition obtained in Reference Example 6 is indicated. In addition, it shows in Table 6 about the manufacturer of various raw materials.
- the average particle size of each of the cuprous oxides (A) to (E) was measured by a laser diffraction scattering method using SALD-2200 (manufactured by Shimadzu Corporation).
- the analysis method is as follows. (1) A few drops of a HMPNa (sodium hexametaphosphate) 0.2 wt% solution and neutral detergent were added to a sample disperser of SALD-2200, ultrasonic waves were activated, and the pump speed scale was set to 7 for circulation. (2) About 100 mg of cuprous oxide was taken in a mortar, a few drops of neutral detergent were added, and lightly dispersed to loosen the secondary aggregation of the pigment. (3) Water was added to the sample dispersed in the mortar so as not to cause bubbles, and the sample was poured into the sample disperser. (4) After circulating and dispersing for 10 minutes in the disperser, the particle size distribution was measured.
- HMPNa sodium hexametaphosphate
- Viscosity of antifouling coating composition Viscosity at 23 ° C. (initial viscosity (dPa ⁇ s)) of each coating composition after 1 day prepared as described above was measured using a B-type viscometer (manufacturer: ( Co., Ltd., Tokyo Keiki Co., Ltd., product name: B-type viscometer, model: BM, detector rotational speed 60 rpm).
- each antifouling paint composition is applied to a test plate exposed outdoors for 1, 3, 5 and 7 days (on the surface of a cured coating film formed from an epoxy paint) using the applicator. It apply
- test plate with an antifouling coating film was immersed in artificial seawater at 40 ° C., and after the immersion, the adhesion was investigated based on the following evaluation criteria every month.
- the delamination area of the coating film is less than 5% 1: The delamination area of the coating film is less than 5 to 25%. 2: The delamination area of the coating is 25 to less than 50%. 3: The delamination area of the coating film is 50% or more.
- each of the antifouling paint compositions was applied using an applicator so that the dry film thickness was 150 ⁇ m, and 23 ° C.
- An antifouling coating film (150 ⁇ m) is formed by drying for 1 day, and the coating composition is applied to the antifouling coating film surface to a dry film thickness of 150 ⁇ m, followed by drying at 23 ° C. for 7 days.
- An antifouling coating film was formed to prepare a test plate with an antifouling coating film.
- the obtained test plate with antifouling coating is immersed in Kurahashi Island, Hiroshima Prefecture, and the aquatic organisms when the total area of the antifouling coating on the test plate is 100% every month after the immersion
- the ratio (%) of the adhered antifouling coating film area (adhesion area) was measured, and static antifouling properties were evaluated based on the following evaluation criteria.
- evaluation criteria 0: The adhesion area is 0%.
- 0.5 The adhesion area exceeds 0 and is less than 10%.
- 1 The adhesion area is 10 to less than 20%.
- 2 The adhesion area is 20 to less than 30%.
- 3 The adhesion area is 30 to less than 40%. 4: The adhesion area is 40 to less than 50%.
- the adhesion area is 50 to 100%.
- the antifouling paint composition of the present invention prevents the diffusion of sludge used in water and drain outlets of various power plants (thermal power, nuclear power), gulf roads, submarine tunnels, harbor facilities, and various marine and river civil engineering works such as canals and waterways. It can be applied to underwater structures such as membranes, ships (especially from the draft part of the ship to the bottom of the ship), fishing materials (ropes, floats, buoys, etc.), and the like.
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Abstract
Description
これら船舶、水中構造物の基材は、ほとんどが鋼材などの金属素材であり、海水による腐食防止のためエポキシ樹脂系防食塗料が塗布されている。更にその上に水棲生物付着を防止するために防汚塗料が塗布されているが、エポキシ樹脂系防食塗膜上には防汚塗料は付着しにくく、まずビニル樹脂系のバインダーを塗布し、その上に防汚塗料が塗布されている。
[1]
トリイソプロピルシリルメタクリレート(i)から誘導される構造単位(1)と、2-メトキシエチル(メタ)アクリレート(ii)から誘導される構造単位(2)と、重合性二重結合を有する重合性モノマー(ただし、トリイソプロピルシリルメタクリレートおよび2-メトキシエチル(メタ)アクリレートを除く。)(iii)から誘導される構造単位(3)とからなる加水分解性共重合体(A)と、平均粒子径が4.5~50μmの亜酸化銅(B)と、ロジン類および/またはモノカルボン酸化合物(C)とを含有する防汚塗料組成物。
上記加水分解性共重合体(A)の含有量(WA)と上記ロジン類および/またはモノカルボン酸化合物(C)の含有量(WC)との比(WA/WC)が質量基準で99.9/0.1~30/70であることを特徴とする[1]に記載の防汚塗料組成物。
さらに、亜酸化銅(B)以外の無機銅化合物(D)、有機防汚剤(E)、着色顔料(F)、体質顔料(G)、顔料分散剤(H)、可塑剤(I)、タレ止め剤(J)、沈降防止剤(K)、脱水剤(L)、および溶剤(M)からなる群から選択される少なくとも1種類を含有することを特徴とする[1]または[2]に記載の防汚塗料組成物。
揮発性有機化合物(VOC)の含有量が400g/L未満であることを特徴とする[1]~[3]のいずれかに記載の防汚塗料組成物。
[1]~[4]のいずれかに記載の防汚塗料組成物から形成されることを特徴とする防汚塗膜。
基材と[5]に記載の防汚塗膜とが積層されてなる防汚基材。
海水または真水と接触することを特徴とする[6]に記載の防汚基材。
上記基材が、水中構造物、船舶および漁具からなる群から選択される少なくとも一つであることを特徴とする[6]または[7]に記載の防汚基材。
基材表面に、[1]~[4]のいずれかに記載の防汚塗料組成物を硬化させ、防汚塗膜を形成することを特徴とする防汚基材の製造方法。
[10]
トリイソプロピルシリルメタクリレート(i)から誘導される構造単位(1)と、2-メトキシエチル(メタ)アクリレート(ii)から誘導される構造単位(2)と、重合性二重結合を有する重合性モノマー(ただし、トリイソプロピルシリルメタクリレートおよび2-メトキシエチル(メタ)アクリレートを除く。)(iii)から誘導される構造単位(3)とからなる加水分解性共重合体(A)と、平均粒子径が4.5~50μmの亜酸化銅(B)と、ロジン類および/またはモノカルボン酸化合物(C)と、任意に他の成分とを混合する防汚塗料組成物の製造方法。
<防汚塗料組成物>
本発明の防汚塗料組成物(防汚塗料)は、特定の加水分解性共重合体(A)と平均粒子径が4.5~50μmの亜酸化銅(B)、ロジン類および/またはモノカルボン酸化合物(C)を含有しているが、本発明の防汚塗料は、目的に応じて、任意成分を含んでいてもよい。
この加水分解性共重合体(A)は、トリイソプロピルシリルメタクリレート(i)から誘導される構造単位(1)と、2-メトキシエチル(メタ)アクリレート(ii)から誘導される構造単位(2)と、重合性二重結合を有する重合性モノマー(ただし、トリイソプロピルシリルメタクリレートおよび2-メトキシエチル(メタ)アクリレートを除く。)(iii)から誘導される構造単位(3)とを有する加水分解性共重合体(A)である。
条件1:前記構造単位(1)の割合が、塗膜加水分解性(消耗性)および静置防汚性等の向上の観点から、30~70質量%であり、40~65質量%であることが望ましい。
条件2:前記構造単位(2)の割合が、塗膜加水分解性(消耗性)および静置防汚性等の向上の観点から、5~40質量%であり、10~30質量%であることが望ましい。
(メタ)アクリル酸などのモノカルボン酸類;
イタコン酸、マレイン酸、コハク酸等のジカルボン酸類またはこれらのハーフエステル(モノエステル)やジエステル;
スチレン、α―メチルスチレンなどのスチレン類;
酢酸ビニル、プロピオン酸ビニルなどのビニルエステル類;
などが挙げられ、これらは単独でまたは2種類以上が用いられる。
ポンプ: 「HLC-8120GPC」(東ソー(株)製)
カラム: 「SuperH2000+H4000」(東ソー(株)製、6mm(内径)、各15cm(長さ))
溶離液: テトラヒドロフラン(THF)
その他の条件
流速 :0.500ml/min.
検出器 :RI
カラム恒温槽温度 :40℃
標準物質 :ポリスチレン
サンプル調製法 :加水分解性共重合体(A)を含む溶液に少量の塩化カルシウムを加えて脱水した後、メンブレムフィルターで濾過して得られた濾物をGPC測定サンプルとする。
構造単位(2)と、構造単位(1)、(2)および(3)の合計質量((1)+(2)+(3))との質量比((2)/[(1)+(2)+(3)])(含有質量比(II))は、たとえば5/100~40/100であり、好ましくは、7/100~35/100、特に好ましくは、10/100~30/100である。
本発明の防汚塗料組成物が含有する亜酸化銅(B)の平均粒子径は4.5~50μmである。亜酸化銅(B)は粒子径の分布の範囲が0.1~100μmであり、好ましくは平均粒子径が4.5~30μmで、粒子径の分布の範囲が0.15~70μmのものが用いられる。ただし、亜酸化銅(B)は、粒子径の分布が前記範囲から外れる粒子をごく少量(たとえば0.5質量%以下、好ましくは0.1質量%以下)含み、粒子径の分布が前記範囲にある粒子を残りの量(たとえば99.5質量%以上、好ましくは99.9質量%以上)で含んでいてもよい。この範囲の粒子径の場合、塗膜内部の凝集力が高くなりすぎず、更に塗料粘度の上昇も防げるので、当該加水分解性共重合体(A)とロジン類および/またはモノカルボン酸化合物(C)を含む防汚塗料組成物において、下塗りのエポキシ樹脂系防食塗膜との付着性が良好でありかつ、含有するVOC量を低減することが可能である。また亜酸化銅(B)の含有量は、防汚塗膜の長期防汚性と付着性の向上という観点から、加水分解性共重合体(A)100質量部に対して、好ましくは10~800質量部、さらに好ましくは100~750質量部である。
本発明の防汚塗料組成物は、該組成物から形成された防汚塗膜から該防汚剤の溶出を促進し、特に静置防汚性を向上させるという観点から、ロジン類および/またはモノカルボン酸化合物を含有することを必須とする。ここでロジン類としては、ガムロジン、ウッドロジン、トール油ロジン等のロジン、水添ロジン、不均化ロジン等のロジン誘導体などが挙げられ、モノカルボン酸化合物としては、脂肪族または脂環式のモノカルボン酸、これらのモノカルボン酸誘導体またはこれらの金属塩などが挙げられる、モノカルボン酸化合物の具体例としては、トリメチルイソブテニルシクロヘキセンカルボン酸、ナフテン酸、バーサチック酸、ステアリン酸、サリチル酸およびこれらの塩などが挙げられる。これらは単独で用いても二種以上組み合わせて用いてもよい。また、本発明の防汚塗料組成物において、加水分解性共重合体(A)の含有質量(WA)とロジン類および/またはモノカルボン酸化合物の含有質量(WC)との含有質量比(WA/WC)は、好ましくは99.9/0.1~30/70、より好ましくは、97/3~35/65、さらに好ましくは95/5~40/60である。
本発明の防汚塗料組成物は、防汚塗料組成物から形成された防汚塗膜の防汚性を更に向上させるために、平均粒子径が4.5~50μmの亜酸化銅(B)の他に、無機銅化合物(D)を更に含有してもよい。無機銅化合物としては、たとえば、チオシアン酸銅、キュプロニッケル等が挙げられる。無機銅化合物(D)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。
本発明の防汚塗料組成物は、防汚塗料組成物から形成された防汚塗膜の防汚性を更に向上させるため、特に植物性の海洋生物に対する防汚効果を向上させるために、有機防汚剤(E)を更に含有することができる。有機防汚剤(E)は、防汚塗膜に防汚性を付与する有機化合物であれば特に限定されない。
本発明の防汚塗料組成物は、防汚塗料組成物から形成される防汚塗膜の色調を調節したり、任意の色調を付与したりするために、着色顔料(F)を含んでいてもよい。
本発明の防汚塗料組成物において、着色顔料(F)の含有量は、防汚塗料組成物から形成された防汚塗膜の、着色性、隠蔽性、暴露変色性、防汚性、塗膜耐水性(機械的特性)の向上という観点からは、加水分解性共重合体(A)100質量部に対して、好ましくは0.01~100質量部、より好ましくは0.01~50質量部である。
また、着色顔料(F)の含有量は、防汚塗料組成物(溶剤を含む)100質量%に対して、通常0.1~30質量%、好ましくは、0.1~20質量%程度である。
体質顔料(G)は、防汚塗料組成物から形成された防汚塗膜の耐クラック性などの塗膜物性を向上することができる。
また、体質顔料(G)の含有量は、防汚塗料組成物(溶剤を含む)100質量%に対して、通常0.1~50質量%、好ましくは、0.1~40質量%程度である。
顔料分散剤(H)としては、公知の有機系または無機系の各種顔料分散剤が挙げられる。顔料分散剤としては、脂肪族アミンまたは有機酸類(たとえば、「デュオミンTDO」(LION(株)製)、「Disperbyk101」(BYK(株)製))が挙げられる。顔料分散剤(H)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。
また、顔料分散剤(H)の含有量は、防汚塗料組成物(溶剤を含む)100質量%に対して、通常0.1~10質量%、好ましくは、0.1~5質量%程度である。
本発明の防汚塗料組成物は、得られる防汚塗膜の耐クラック性を向上させるために、可塑剤(I)を含むことが好ましい。可塑剤(I)としては、塩化パラフィン(塩素化パラフィン)、石油樹脂類、ケトン樹脂、TCP(トリクレジルホスフェート)、ポリビニルエチルエーテル、ジアルキルフタレート等が挙げられる。防汚塗料組成物から形成された防汚塗膜の塗膜耐水性(機械的特性)、塗膜加水分解性(消耗性)の向上という観点からは、可塑剤(I)は、これらの中でも、塩化パラフィン(塩素化パラフィン)、石油樹脂類またはケトン樹脂であることが好ましい。なお、可塑剤(I)は、1種単独で使用されてもよいし、2種類以上組み合わせて使用されてもよい。
また、塩化パラフィンは、一分子中、通常8~30個、好ましくは10~26個の平均炭素数を有している。このような塩化パラフィンを含む防汚塗料組成物は、クラック(割れ)やハガレ等の少ない防汚塗膜を形成することができる。なお、上記平均炭素数が8未満では、防汚塗膜においてクラックの発生を抑制する効果が不足することがあり、一方で、上記平均炭素数が30を超えると、防汚塗膜の加水分解性(更新性、研掃性)が小さくなり、結果として防汚性が劣ってしまうことがある。
また、可塑剤(I)の含有量は、防汚塗料組成物(溶剤を含む)100質量%に対して、通常0.1~30質量%、好ましくは、0.1~20質量%程度である。
本発明の防汚塗料組成物は、防汚塗料組成物を用いて基材を塗装する際に、該塗料組成物によるタレの発生を低減できるという観点から、タレ止め剤(J)(流れ止め剤ともいう)を含んでいてもよい。
本発明の防汚塗料組成物において、タレ止め剤(J)の含有量は、加水分解性共重合体(A)100質量部に対して、好ましくは0.1~100質量部、より好ましくは0.1~50質量部である。また、タレ止め剤(J)の含有量は、防汚塗料組成物(溶剤を含む)100質量%に対して、通常0.1~20質量%、好ましくは、0.1~10質量%程度である。タレ止め剤(J)の含有量をこのような範囲に設定すると、防汚塗料組成物の貯蔵安定性を向上させることや、防汚塗膜を形成した後、該防汚塗膜上に同種塗料組成物(防汚塗料組成物)または異種塗料組成物からなる塗膜(上塗塗膜)を形成した場合、該防汚塗膜と上塗塗膜との間の密着性(層間密着性、塗り重ね性)の低下を防ぐことが可能になる。
本発明の防汚塗料組成物は、貯蔵中の塗料組成物において沈殿物の発生を防止でき、攪拌性も向上できるという観点から、沈降防止剤(K)を含んでいてもよい。
本発明の防汚塗料組成物は、貯蔵安定性が良好な加水分解性共重合体(A)を使用することにより優れた貯蔵安定性を有するが、必要に応じて脱水剤(L)を添加することにより更に優れた長期貯蔵安定性を得ることが可能となる。脱水剤(L)としては、無機系脱水剤として、合成ゼオライト、無水石膏、半水石膏からなる群から、有機系脱水剤として、テトラメトキシシラン、テトラエトキシシラン、テトラブトキシシラン、テトラフェノキシシラン、メチルトリエトキシシラン、ジメチルジエトキシシラン、トリメチルエトキシシラン等のアルコキシシラン類、または、その縮合物であるポリアルコキシシラン類、オルト蟻酸メチル、オルト蟻酸エチル等のオルト蟻酸アルキルエステル類からなる群から選ばれる少なくとも1種類以上の脱水剤が好ましい。これらの脱水剤(L)は、加水分解性共重合体(A)100質量部に対して0.1~50質量部で含まれることが好ましい。
本発明の防汚塗料組成物は、加水分解性共重合体(A)などの分散性を向上させたり、該組成物の粘度を調整したりするために、必要に応じて、水または有機溶剤等の溶剤(M)を含んでいてもよい。なお、本発明の防汚塗料組成物は、溶剤(M)として、加水分解性共重合体(A)を調製する際に使用した溶剤を含んでいてもよいし、加水分解性共重合体(A)と必要に応じてその他の成分とを混合する際に、別途添加された溶剤を含んでいてもよい。
本発明の防汚塗料組成物は、公知の方法を適宜利用して製造されてもよい。たとえば、加水分解性共重合体(A)と平均粒子径が4.5~50μmの亜酸化銅(B)、更にロジン類および/またはモノカルボン酸化合物(C)、必要に応じて、(D)~(M)成分とを、一度にあるいは任意の順序で攪拌容器に添加し、公知の攪拌・混合手段で各成分を混合して、溶剤中に分散または溶解させればよい。平均粒子径が4.5~50μmの亜酸化銅(B)としては、平均粒子径が4.5~50μmの亜酸化銅を準備し、これを他の成分と混合してもよく、あるいは平均粒子径が4.5μm以上の亜酸化銅を準備し、これとは別に平均粒子径が4.5μm未満の亜酸化銅を準備し、これらを、亜酸化銅全体としての平均粒子径が4.5~50μmとなるような割合で他の成分と混合してもよい。
攪拌・混合手段としては、ハイスピードディスパー、サンドグラインドミル、バスケットミル、ボールミル、三本ロール、ロスミキサー、プラネタリーミキサー、万能品川攪拌機などが挙げられる。
このようにして得られた防汚塗料組成物は、揮発性有機化合物(VOC)の含有量が通常400g/L未満である。
本発明の防汚塗膜は、上述した防汚塗料組成物から形成される。すなわち、本発明の防汚塗膜は、本発明の防汚塗料組成物の固形分からなる。本発明の防汚塗膜は、本発明の防汚塗料組成物から形成され、たとえば防汚塗料組成物が溶剤(M)を含む場合であれば、基材上に塗布された本発明の防汚塗料組成物を、たとえば自然乾燥またはヒーター等の乾燥手段を用いて硬化させて(すなわち、前記溶剤(M)を除去して)、形成することができる。
ここで、上記防汚基材としては、特に限定されないが、好適には、海水または真水に接触する基材であり、具体的には、各種発電所(火力、原子力)の給排水口や、湾岸道路、海底トンネル、港湾設備または運河・水路等の各種海洋・河川土木工事において使用される汚泥拡散防止膜等の水中構造物、船舶(特に船舶の喫水部から船底部分)、漁業資材(ロープ、魚網等の漁具、浮き子またはブイなど)が挙げられる。
ここでエポキシ樹脂系塗膜(P)について説明する。
エポキシ樹脂系塗膜(P)は、エポキシ樹脂系塗料組成物(p)から得られる。
エポキシ樹脂系塗料組成物(p)は、(p-1)ビスフェノール型エポキシ樹脂および(p-3)アミン系硬化剤を含むことが好ましく、さらに(p-2)ビニル系共重合体を含んでいてもよい。
ビスフェノール型エポキシ樹脂としては、エポキシ当量が好ましくは160~500、さらに好ましくは180~500のものが用いられる。このようなエポキシ樹脂は、通常、液状~固形である。本発明の塗料組成物に配合されるビスフェノール型エポキシ樹脂のエポキシ当量は、塗料組成物の付着力および塗装時の作業性の両面から、上記の範囲にあることが好ましい。
このようなビスフェノール型エポキシ樹脂としては、具体的には、例えば、ビスフェノールAタイプ、ビスフェノールFタイプのエポキシ樹脂をはじめ、ダイマー酸変性、ポリサルファイド変性のエポキシ樹脂、これらビスフェノール型エポキシ樹脂の水添物などを挙げることができる。
ビスフェノールAタイプのエポキシ樹脂の市販品としては、常温で液状のものでは、「jER 828(商品名)」(三菱化学(株)製、エポキシ当量184~194、粘度12,000~15,000cPs/25℃)、「エポトートYDF-170(商品名)」(東都化成(株)製、エポキシ当量160~180、粘度2,000~5,000cPs)、「フレップ60(商品名)」(東レチオコール(株)製、エポキシ当量約280、粘度約17,000cPs/25℃)などを挙げることができ、常温で半固形状のものでは、「jER 834-90X(商品名)」(三菱化学(株)製、エポキシ当量230~270)、「エポトートYD134(商品名)」(東都化成(株)製、エポキシ当量230~270)などを挙げることができ、常温で固形状のものでは、「jER 1001-75X(商品名)」(三菱化学(株)製、エポキシ当量450~500)などを挙げることができる。
これらのビスフェノール型エポキシ樹脂は、1種または2種以上組み合わせて用いることができる。
このような非ビスフェノールタイプのエポキシ樹脂としては、環状脂肪族系、非環状脂肪族系、エポキシ化油系などのエポキシ樹脂を挙げることができる。
ビニル系共重合体(p-2)としては、例えば、塩化ビニル-酢酸ビニル共重合体、塩化ビニル-プロピオン酸ビニル共重合体、塩化ビニル-ビニルアルキルエーテル共重合体の他に、塩化ビニル-アクリロニトリル共重合体、塩化ビニル-ジエチルマレエート共重合体、塩化ビニル-エチレン共重合体、塩化ビニル-無水マレイン酸共重合体、塩化ビニル-(メタ)アクリル酸アルキル共重合体(アルキル基:炭素数1~5程度)、塩化ビニル-スチレン共重合体、塩化ビニル-塩化ビニリデン共重合体、塩化ビニル-ステアリン酸ビニル共重合体、塩化ビニル-マレイン酸(またはマレイン酸エステル)共重合体、塩化ビニル-脂肪族ビニル共重合体、エチレン-酢酸ビニル共重合体などが挙げられる。
これらのビニル系共重合体(p-2)は、ビスフェノール型エポキシ樹脂(p-1)100質量部に対して、通常、5~40質量部、好ましくは7~30質量部の量で用いられる。このような量でビニル系共重合体(p-2)が塗料組成物中に含まれていると、ビスフェノール型エポキシ樹脂(p-1)との親和性が良好で、防食性、上塗り性共に良好となる傾向がある。なお、ビニル系共重合体(p-2)の配合割合は塗膜の防食性能および上塗り塗料の上塗り性の両面から上記範囲にあることが望ましい。
これらの熱可塑性樹脂は、1種または2種以上組み合わせて用いることができる。
アミン系硬化剤(p-3)としては、通常、脂肪族系、脂環族系、芳香族系、複素環系などのアミン系硬化剤が用いられる。このようなアミン系硬化剤(p-3)が配合されたエポキシ樹脂系塗料組成物(p)は、常温で硬化させることができるため、船舶外板の塗装など通常、常温環境下で施工されるような用途に好ましい。
これらの中でも、防食性、付着性の点でポリアミドおよびその変性物が好ましい。
また、その他のアミンの変性物としては、具体的には、変性脂環式ポリアミンである「アンカミン2074(商品名)」(エアープロダクツジャパン(株)製、アミン価325~355)、変性フェナルカミンである「カードライト541LV(商品名)」(Cardolite Corp.社製、アミン価260~350)、「カードライトCM-5055(商品名)」(Cardolite Corp.社製、アミン価150~250)など、変性芳香族ポリアミンである「アデカハードナーEH101(商品名)」((株)ADEKA社製、アミン価400~500)など多種の化合物を例示することができる。
また、前記アミン化合物をケトンで変性したケチミンタイプの硬化剤も使用することができる。
これらのアミン系硬化剤(p-3)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。
「他のエポキシ樹脂用硬化剤」としては、前記エポキシ樹脂を反応、硬化させ得るものであれば特に限定されず、上記アミン系硬化剤(p-3)以外のカルボン酸系、酸無水物系、シラノール系の硬化剤などが挙げられる。
エポキシ樹脂系塗料組成物(p)中には、この他各種可塑剤、体質顔料、着色顔料、防錆顔料、溶剤、硬化促進剤、カップリング剤、タレ止め剤、沈降防止剤などが配合されていてもよい。
また、1回の塗装で形成される防汚塗膜の厚さは特に限定されないが、基材が船舶や水中構造物である場合、たとえば、30~250μm/回程度である。
以下、実施例に基づき、本発明について更に具体的に説明するが、本発明は、これらの実施例により何ら限定されるものではない。なお、「実施例」の項において、「%」とは、特に断りがない限り、質量%を示す。
攪拌機、還流冷却器、温度計、窒素導入管および滴下ロートを備えた反応容器に、キシレン53質量部を仕込み、窒素雰囲気下で、キシレンを攪拌機で攪拌しながら、常圧下に、反応容器内のキシレンの温度が85℃になるまで加熱した。反応容器内のキシレンの温度を85℃に維持しながら、TIPSMA(トリイソプロピルシリルメタクリレート)60質量部、MEMA(2-メトキシエチルメタクリレート)20質量部およびMMA(メチルメタクリレート)10質量部、BA(ブチルアクリレート)10質量部およびAMBN(2,2'-アゾビス(2-メチルブチロニトリル))1質量部からなるモノマー混合物を、滴下ロートを用いて2時間かけて反応容器内に添加した。
製造例1において使用されたモノマー混合物のかわりに、表1に示される組成を有するモノマー混合物を使用したことを除いては、製造例1と同様にして、加水分解性共重合体を含む重合体溶液(a2)、(a3)、(b1)、(b2)を調製し、各種物性を測定した。その結果を表1に示す。
温度計、還流冷却器及び撹拌機、温度計を備えた1,000mlのフラスコに、中国ガムロジン(WW ロジン、酸価172)のキシレン溶液(固形分50%)400g、亜酸化銅200g 及びメタノール100gにガラスビーズ(直径2.5~3.5mm)を加え、70~80℃で8時間撹拌した後、50℃で2日間保温した。次いで、得られた混合溶液を室温(25℃)まで冷却し濾過した後、減圧濃縮を行うことによりメタノール分を留去した。そして、得られた濃縮液にキシレンを加えることにより、ガムロジン銅塩のキシレン溶液(濃青色透明溶液、固形分約50%)を得た。得られたガムロジン銅塩のキシレン溶液の加熱残分は50.8%であった。このガムロジン銅塩を下記比較例3に用いた。
温度計、還流冷却器及び撹拌機、温度計、滴下装置、を備えた1,000mlのフラスコに、中国ガムロジン(WW ロジン、酸価172)を300g、酸化亜鉛を50g、キシレン150gを仕込み、窒素気流下で70~80℃で4時間撹拌を行い、溶液が透明になったのを確認。その後水を除去するためのためキシレンと共沸脱水したのち、50℃で2日間保温した。次いで、得られた混合溶液を室温(25℃)まで冷却し濾過した後、キシレンを加えることにより、ガムロジン亜鉛塩のキシレン溶液(黄色透明溶液、固形分約50%)を得た。得られたガムロジン亜鉛塩のキシレン溶液の加熱残分は50.5%であった。
このガムロジン亜鉛塩を下記比較例4に用いた。
本発明の防汚塗料組成物は、公知の一般的な防汚塗料と同様の装置、手段等を用いて調製することができる。たとえば、あらかじめ加水分解性共重合体(A)を調製した後、この樹脂(反応液)と、亜酸化銅(B)および(C)から(M)成分、更に比較例3,4には上記ロジン銅塩および亜鉛塩とを、一度にまたは順次溶剤に添加して、撹拌、混合するようにして製造すればよい。
実施例1で使用された溶剤、重合体溶液、B、C成分およびその他添加剤を、表2~3に示されるように変更したことを除いては、実施例1と同様にして、塗料組成物を調製した。
なお、各種原材料の製造元等については、表6に示す。
上記各亜酸化銅(A)~(E) の平均粒子径は、SALD-2200((株)島津製作所製)を用いてレーザー回析散乱法にて測定した。
(1)SALD-2200の試料分散機にHMPNa(ヘキサメタリン酸ナトリウム)0.2wt%溶液と中性洗剤を数滴加え、超音波を作動させ、ポンプスピードの目盛は7にして循環させた。
(2)乳鉢に亜酸化銅を約100mg取り、中性洗剤を数滴加えて、顔料の2次凝集をほぐすために軽く分散させた。
(3)乳鉢で分散した試料に泡が立たないように水を加え試料分散機へ流し込んだ。
(4)分散機内で10分間循環・分散後、粒度分布測定を行った。
(5)粒度分布計算時の屈折率は「2.70-0.20i」を用い、粒度分布中のメディアン径を平均粒子径とした。
なお、上記亜酸化銅(A)~(E)の粒子径(μm)、相対粒子量(%)および粒度分布との関係を、それぞれ図1~図5に示す。
(1)加水分解性共重合体溶液中の加熱残分の含有率
(共)重合体溶液1.5g(X1(g))を、恒温槽内で、1気圧、108℃の条件下で3時間保持して揮発分を除去して加熱残分(不揮発分)を得た。次いで、残った加熱残分(不揮発分)の量(X2(g))を測定し、下記式に基づいて、加水分解性共重合体溶液に含まれる加熱残分の含有率(%)を算出した。
加熱残分の含有率(%)=X2/X1×100
加水分解性共重合体の重量平均分子量(Mw)を下記条件におけるGPC(ゲルパーミエーションクロマトグラフィー)を用いて測定した。
(GPC条件)
装置 :「HLC-8120GPC」(東ソー(株)製)
カラム :「SuperH2000+H4000」(東ソー(株)製、6mm(内径)、各15cm(長さ))
溶離液 :テトラヒドロフラン(THF)
流速 :0.500ml/min
検出器 :RI
カラム恒温槽温度 :40℃
標準物質 :ポリスチレン
サンプル調製法 :各製造例で調製された加水分解性共重合体溶液に少量の塩化カルシウムを加えて脱水した後、メンブレムフィルターで濾過して得られた濾物をGPC測定サンプルとした。
E型粘度計[東機産業(株)製]を用いて液温25℃の加水分解性共重合体溶液の粘度(単位:mPa・s)を測定した。
上記のように調製された1日後の各塗料組成物の、23℃における粘度(初期粘度(dPa・s))を、B型粘度計(製造元:(株)東京計器、製品名:B型粘度計、型式:BM、検出器回転速度60rpm)を用いて測定した。
上記のように調製された1日後の各塗料組成物をエアレス塗装にてその作業性(霧化性)を確認し、作業性が良好な場合は評価「A」、不良な場合は「B」とした。
サンドブラスト板(150mm×70mm×1.6mm)上に、エポキシ塗料1~7(表7記載、使用された原材料の詳細は表8に記載)を乾燥膜厚で150μmになるように塗布し硬化塗膜(150μm)を形成させ、その後、直ちに屋外にて、南向きに地上から45°の角度で(すなわち試験板を、塗膜表面が地表面に対し45°傾き、かつ南を向くように設置し)暴露した。
NTカッターを使用し、防汚塗膜付試験板の防汚塗膜面に、4mm間隔で縦横に各4本の切れ目を入れ9個の升目を作成し、その升目が作成された塗膜表面にセロテープ(登録商標)を圧着させた後、すばやく剥離し、升目を観察した。次いで、9個の升目の面積を100%とした場合における、剥離操作後の升目においてエポキシ塗膜と防汚塗膜との層間で剥離している塗膜の面積(剥離面積)の比率(%)を算出し、下記評価基準に基づいて付着性を評価した。
[付着性の評価基準]
0:塗膜の層間剥離面積が5%未満である
1:塗膜の層間剥離面積が5~25%未満である。
2:塗膜の層間剥離面積が25~50%未満である。
3:塗膜の層間剥離面積が50%以上である。
サンドブラスト板(300mm×100mm×3.2mm)上に、アプリケーターを用いて、エポキシ系塗料(エポキシAC塗料、商品名「バンノー500」、中国塗料(株)製)を乾燥膜厚で150μmになるように塗布し、硬化させて硬化塗膜(150μm)を形成させ、次いで、該硬化塗膜上に、アプリケーターを用いて、エポキシ塗料1(表7記載)を乾燥膜厚で100μmになるように塗布し、硬化させて硬化塗膜(100μm)を形成して試験板を作製した。
[評価基準]
0:付着面積が0%である。
0.5:付着面積が0を超え10%未満である。
1:付着面積が10~20%未満である。
2:付着面積が20~30%未満である。
3:付着面積が30~40%未満である。
4:付着面積が40~50%未満である。
5:付着面積が50~100%である。
Claims (10)
- トリイソプロピルシリルメタクリレート(i)から誘導される構造単位(1)と、2-メトキシエチル(メタ)アクリレート(ii)から誘導される構造単位(2)と、重合性二重結合を有する重合性モノマー(ただし、トリイソプロピルシリルメタクリレートおよび2-メトキシエチル(メタ)アクリレートを除く。)(iii)から誘導される構造単位(3)とからなる加水分解性共重合体(A)と、平均粒子径が4.5~50μmの亜酸化銅(B)と、ロジン類および/またはモノカルボン酸化合物(C)とを含有する防汚塗料組成物。
- 前記加水分解性共重合体(A)の含有量(WA)と前記ロジン類および/またはモノカルボン酸化合物(C)の含有量(WC)との比(WA/WC)が質量基準で99.9/0.1~30/70であることを特徴とする請求項1に記載の防汚塗料組成物。
- さらに、亜酸化銅(B)以外の無機銅化合物(D)、有機防汚剤(E)、着色顔料(F)、体質顔料(G)、顔料分散剤(H)、可塑剤(I)、タレ止め剤(J)、沈降防止剤(K)、脱水剤(L)、および溶剤(M)からなる群から選択される少なくとも1種類を含有することを特徴とする請求項1または2に記載の防汚塗料組成物。
- 揮発性有機化合物(VOC)の含有量が400g/L未満であることを特徴とする請求項1~3のいずれか一項に記載の防汚塗料組成物。
- 請求項1~4のいずれか一項に記載の防汚塗料組成物から形成されることを特徴とする防汚塗膜。
- 基材と請求項5に記載の防汚塗膜とが積層されてなる防汚基材。
- 海水または真水と接触することを特徴とする請求項6に記載の防汚基材。
- 前記基材が、水中構造物、船舶および漁具からなる群から選択される少なくとも一つであることを特徴とする請求項6または7に記載の防汚基材。
- 基材表面に、請求項1~4のいずれか一項に記載の防汚塗料組成物を硬化させ、防汚塗膜を形成することを特徴とする防汚基材の製造方法。
- トリイソプロピルシリルメタクリレート(i)から誘導される構造単位(1)と、2-メトキシエチル(メタ)アクリレート(ii)から誘導される構造単位(2)と、重合性二重結合を有する重合性モノマー(ただし、トリイソプロピルシリルメタクリレートおよび2-メトキシエチル(メタ)アクリレートを除く。)(iii)から誘導される構造単位(3)とからなる加水分解性共重合体(A)と、平均粒子径が4.5~50μmの亜酸化銅(B)と、ロジン類および/またはモノカルボン酸化合物(C)と、任意に他の成分とを混合する防汚塗料組成物の製造方法。
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EP (1) | EP3385345B1 (ja) |
JP (1) | JP6676654B2 (ja) |
KR (1) | KR102075435B1 (ja) |
CN (1) | CN108368376B (ja) |
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Cited By (3)
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JPWO2018092668A1 (ja) * | 2016-11-17 | 2019-10-17 | 日東化成株式会社 | 防汚塗料組成物、該組成物を用いて形成される防汚塗膜を表面に有する塗装物 |
JPWO2018139394A1 (ja) * | 2017-01-25 | 2019-11-07 | 日東化成株式会社 | 防汚塗料組成物用共重合体、防汚塗料組成物、該組成物を用いて形成される防汚塗膜、該塗膜を表面に有する塗装物、及び該塗膜を形成する防汚処理方法 |
EP3831898A4 (en) * | 2018-07-27 | 2022-04-06 | Chugoku Marine Paints, Ltd. | ANTIFOULING PAINT COMPOSITION, ANTIFOULING COATING, SUBSTRATE WITH ANTIFOULING COATING, METHOD OF PRODUCTION THEREOF AND METHOD OF REPAIR |
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CN109983083B (zh) | 2016-11-11 | 2021-08-17 | 佐敦有限公司 | 防污组合物 |
KR102394273B1 (ko) * | 2019-04-05 | 2022-05-06 | 주식회사 케이씨씨 | 프라이머 조성물 |
JP2021155728A (ja) * | 2020-03-26 | 2021-10-07 | 中国塗料株式会社 | 防汚塗料組成物 |
KR20240111851A (ko) | 2023-01-10 | 2024-07-18 | 국립순천대학교산학협력단 | 방오 도료 조성물 및 이를 이용한 해양 구조물 |
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- 2016-11-30 SG SG11201804463WA patent/SG11201804463WA/en unknown
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Also Published As
Publication number | Publication date |
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CN108368376B (zh) | 2021-01-01 |
CN108368376A (zh) | 2018-08-03 |
JPWO2017094768A1 (ja) | 2018-10-04 |
SG11201804463WA (en) | 2018-06-28 |
JP6676654B2 (ja) | 2020-04-08 |
KR20180081779A (ko) | 2018-07-17 |
EP3385345A4 (en) | 2019-05-15 |
EP3385345A1 (en) | 2018-10-10 |
KR102075435B1 (ko) | 2020-02-10 |
EP3385345B1 (en) | 2023-05-31 |
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