WO2008013290A1 - Composition aqueuse de revêtement - Google Patents
Composition aqueuse de revêtement Download PDFInfo
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- WO2008013290A1 WO2008013290A1 PCT/JP2007/064824 JP2007064824W WO2008013290A1 WO 2008013290 A1 WO2008013290 A1 WO 2008013290A1 JP 2007064824 W JP2007064824 W JP 2007064824W WO 2008013290 A1 WO2008013290 A1 WO 2008013290A1
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- WIPO (PCT)
- Prior art keywords
- polymerizable unsaturated
- unsaturated monomer
- group
- meth
- resin
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Classifications
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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
- C09D133/00—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 at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/062—Copolymers with monomers not covered by C09D133/06
- C09D133/066—Copolymers with monomers not covered by C09D133/06 containing -OH 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
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09D161/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C09D161/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/02—Emulsion paints including aerosols
- C09D5/024—Emulsion paints including aerosols characterised by the additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/062—Copolymers with monomers not covered by C08L33/06
- C08L33/066—Copolymers with monomers not covered by C08L33/06 containing -OH groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/14—Homopolymers or copolymers of esters of esters containing halogen, nitrogen, sulfur, or oxygen atoms in addition to the carboxy oxygen
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31935—Ester, halide or nitrile of addition polymer
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31855—Of addition polymer from unsaturated monomers
- Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon
Definitions
- the present invention relates to an aqueous coating composition and a method for forming a coating film using the same.
- water-based coatings containing a base resin such as an acrylic resin or a polyester resin having a functional group such as a hydroxyl group or a carboxyl group, and a melamine resin as a crosslinking agent are used.
- a water-soluble melamine resin having a relatively low molecular weight and excellent water dispersibility is often used, but recently, a study has been made to use a hydrophobic melamine resin having a relatively high molecular weight. Yes.
- Such an aqueous paint containing a hydrophobic melamine resin is superior in coating performance such as water resistance compared to the aqueous paint containing the water-soluble melamine resin. Since the compatibility is low, there is a problem that the formed coating film may be inferior in smoothness and sharpness.
- Japanese Patent Application Laid-Open No. 2000-300-93 discloses an aqueous solution containing a reaction product obtained by heating a specific acryl resin, a hydrophobic melamine resin and a polyester resin under specific conditions. It has been disclosed that a resin dispersion can form a coating film with good water dispersibility and excellent appearance. However, since the aqueous resin dispersion requires a heating step during production, it is disadvantageous in terms of energy saving and the smoothness of the formed coating film may be inferior.
- JP-A-6 3-1 9 3 9 6 8 discloses that an aqueous coating composition containing a crosslinking agent obtained by dispersing a hydrophobic melamine resin in water in the presence of a water-soluble resin has improved storage stability. Excellent water-based coating with excellent coating workability by forming a coating film with no defects such as sagging or unevenness in a wide humidity range. It is disclosed that it can be advantageously used as a scoat coating composition. However, the coating film formed by the aqueous coating composition may be inferior in smoothness and sharpness.
- JP-A-7-4 1 7 29 discloses a duraft resin having a hydrophilic side chain having a weight average molecular weight of 5, 0 00 to 50, 0 0 0 and an acid value of more than 20. It is disclosed that an aqueous resin dispersion obtained by dispersing a hydrophobic melamine resin in an aqueous medium is excellent in storage stability, thermal stability, mechanical stability and the like. However, the coating film formed using the water-based coating composition containing the aqueous resin dispersion may be inferior in smoothness and sharpness. Disclosure of the invention
- the main object of the present invention is to provide a water-based coating composition containing a high-molecular-weight melamine resin and capable of forming a coating film excellent in smoothness, sharpness and water resistance, and a coating film forming method using the same. That is.
- the present inventors have now added a polyoxyalkylene chain to an aqueous paint containing a hydroxyl group-containing resin as a base resin and a high molecular weight melamine resin as a crosslinking agent.
- a copolymer obtained from a saturated monomer and other polymerizable unsaturated monomer is included, it has excellent smoothness, sharpness and water resistance.
- the inventors have found that an aqueous coating composition that forms a coating film can be obtained, and have completed the present invention.
- A (a) a polymerizable unsaturated monomer having a polyoxyalkylene chain, (b) a hydroxyl group-containing polymerizable unsaturated monomer having no polyoxyalkylene chain, (c) a tertiary amino group and A polymerizable unsaturated monomer containing at least one cationic functional group selected from the group consisting of quaternary ammonium bases, (d) a polymerizable unsaturated monomer containing a bridged alicyclic hydrocarbon group (d-1) And at least one polymerizable unsaturated monomer selected from the group consisting of a polymerizable unsaturated monomer having a (cyclo) alkyl group having 6 to 18 carbon atoms (d-2), and (e) other polymerizable property Copolymer of unsaturated monomers,
- (C) An aqueous coating composition characterized by containing a melamine resin having a weight average molecular weight in the range of 1,00 to 5,5,000.
- the aqueous coating composition according to the present invention can form a coating film excellent in smoothness, sharpness and water resistance.
- the copolymer (A) is used to provide a high molecular weight melamine resin (C).
- the water-based coating composition of the present invention exhibits excellent smoothness and sharpness, and the hydroxyl group in the copolymer (A) and the hydroxyl group-containing resin (B) is improved. It is inferred that the cross-linked structure formed by the reaction between the styrene and the high molecular weight melamine tree (C) exhibits excellent water resistance.
- the copolymer (A) used in the aqueous coating composition of the present invention comprises: (a) a polymerizable unsaturated monomer having a polyoxyalkylene chain, and (b) a hydroxyl group having no polyoxyalkylene chain.
- a polymerizable unsaturated monomer (c) a polymerizable unsaturated monomer containing at least one cationic functional group selected from the group consisting of a tertiary amino group and a quaternary ammonium base, (d) Arihashi A group consisting of a polymerizable unsaturated monomer containing an alicyclic hydrocarbon group (d-1) and a polymerizable unsaturated monomer having an alkyl group having 6 to 18 carbon atoms (d-2) And (e) a copolymer having a repeating unit derived from another polymerizable unsaturated monomer.
- Polymerizable unsaturated monomer having a polyoxyalkylene chain (a)
- the polymerizable unsaturated monomer (a) having a polyoxyalkylene chain is a monomer component for imparting hydrophilicity to the copolymer (A) to be formed, and is not polymerizable with a polyoxyalkylene chain in one molecule. It is a monomer containing a saturated group.
- polyoxyalkylene chain examples include a polyoxyethylene chain, a polyoxypropylene chain, a chain composed of a polyoxyethylene block and a polyoxypropylene block, and these polyoxyalkylene chains are generally 200 to It is preferred to have a molecular weight in the range of 5, 0 00, especially 2 5 0 to 3, 5 0 0, more particularly 3 0 0 to 2, 5 0 0.
- polymerizable unsaturated monomer (a) having a polyoxyalkylene chain include, for example, the general formula (1)
- R 1 represents a hydrogen atom or a methyl group
- R 2 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
- R 3 represents an alkylene group having 2 to 4 carbon atoms
- m represents 3 Represents an integer of 1 to 80, preferably 10 to 80, and more preferably 25 to 50
- m oxyalkylene units (R s O) may be the same or different from each other. May be]
- the compound of the formula (1) include, for example, tetraethylene dallicol (meth) acrylate, methoxytetraethylene dallicol (meth) acrylate, ethoxytetraethylene glycol / le (meth) acrylate, n -butoxy Tetraethylene glycol
- polyethylene glycol (meth) acrylate polypropylene glycol (meth) acrylate, methoxy polyethylene glycol (meth) acrylate and ethoxy polyethylene glycol (meth) acrylate are preferred, and methoxy polyethylene glycol (meth) acrylate. And ethoxypolyethylene glycol (meth) acrylate is particularly preferred.
- (meta) attalate” is a general term for attalate and metatarerate.
- the polymerizable unsaturated monomer (a) having polyoxyalkylene chain is generally 2 0 to 7, 0 0 0, particularly 5 0 0 to 3, 0 0 0, and more particularly 1, 2 0 0 to 2, It is preferred to have a molecular weight in the range of 500.
- the polymerizable unsaturated monomer (a) having a polyoxyalkylene chain is based on the total amount of the monomers (a) to (e) from the viewpoint of smoothness of the formed coating film, sharpness, water resistance, etc. generally 5-4 0 weight 0/0, especially 7-3 5 wt%, it is preferable to use in further particular 1 0-3 within a range of 0 mass%.
- the hydroxyl group-containing polymerizable unsaturated monomer (b) having no polyoxyalkylene chain is a polymerizable unsaturated monomer having at least one hydroxyl group in one molecule and having a polyoxyalkylene chain. It is a polymerizable unsaturated monomer other than the polymerizable unsaturated monomer (a).
- Examples of the hydroxyl group-containing polymerizable unsaturated monomer (b) that does not have a polyoxyalkylene chain include 2-hydroxyhexyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxy Monoesterified products of (meth) acrylic acid and dihydric alcohols having 2 to 8 carbon atoms such as propyl (meth) acrylate, 4-hydroxybutyl (meth) acrylate, etc. (meth) acrylic acid and 2 to 8 carbon atoms ⁇ -force prolatatone modified products of monoesterified compounds with dihydric alcohols; allylic alcohols, etc., may be used alone or in combination of two or more.
- Examples of the monomer (b) include 2-hydroxybutyryl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 3-hydroxypropyl (meth) acrylate and 4-hydroxybutyl (meth) acrylate.
- the rate is preferred, and 4-hydroxybutyl (meth) acrylate is particularly preferred.
- the hydroxyl group-containing polymerizable unsaturated monomer (b) having no polyoxyalkylene chain is the total amount of monomers (a) to (e) from the viewpoint of the smoothness of the formed coating film, the sharpness, the water resistance, etc. In general, it is preferable to use within the range of 5 to 40% by mass, particularly 7 to 35% by mass, and more particularly 10 to 30% by mass.
- the polymerizable unsaturated monomer (c) containing a cationic functional group contains at least one cationic functional group selected from the group consisting of a tertiary amino group and a quaternary ammonium base in one molecule.
- Polymerizable unsaturated monomers can be used.
- tertiary amino group-containing polymerizable unsaturated monomer (c_1) include, for example, N, N-dimethylaminoethyl (meth) acrylate, N, N-jetylaminoethyl (meth) N, N— such as acrylate, N, N—dimethylaminopropyl (meth) acrylate, N, N-di-tert-butylaminoethyl (meth) acrylate, N, N—dimethylaminobutyl (meth) acrylate Dialkylaminoalkyl (meth) acrylate; N, N, N-dialkylaminoalkyl (meth) acrylamides such as N-dimethylaminoethyl (meth) acrylamide, N, N-jetylaminoethyl (meth) acrylamide, N, N-dimethylaminopropyl (meth) acrylamide Among them, N, N-
- quaternary ammonium base-containing polymerizable unsaturated monomer (c 1 2) include, for example, 2-(methacryloyloxy) ethyltrimethylammonium chloride, 2-(methacryloyloxy) ethyl.
- Examples include (meth) allyloylaminoalkyl trialkyl ammonium salts such as muchloride, methacryloylaminopropyltrimethyl ammonium bromide, and in particular, 2- (methacryloyloxy) ethyl trimethyl ammonium.
- Muchloride is preferred.
- a tertiary amino group-containing polymerizable unsaturated monomer (c-1) and a quaternary ammonium base-containing polymerizable unsaturated monomer (c1) 2) can be used alone or in combination of two or more.
- a tertiary amino group-containing polymerizable unsaturated monomer (c-1) it is preferable to use a tertiary amino group-containing polymerizable unsaturated monomer (c-1), and moreover, a tertiary amino group-containing polymerizable property. It is particularly preferred to use an unsaturated monomer (c 1 1) and a quaternary ammonium base-containing polymerizable unsaturated monomer (c-2) in combination.
- a tertiary amino group-containing polymerizable unsaturated monomer (c 1 1) and a quaternary ammonium base-containing polymerizable unsaturated monomer (c _ 2) the tertiary amino group-containing polymerizable unsaturated monomer is used.
- a monomer (c 1 1) N, N-dimethylaminoethyl (meth) ate or N, N, N-Jetylaminoethyl (meth) acrylate is used, and quaternary ammonium base-containing polymerizable unsaturated monomer (c 1 2) can be used with 2- (methacryloyloxy) ethyltrimethyl ammonium chloride preferable.
- the proportion of both monomers used is (tertiary amino group-containing polymerization) (Unsaturated unsaturated monomer) / (quaternary ammonium base-containing polymerizable unsaturated monomer), usually S OZl l / l O Especially 1 5 1 to 1 / 7.5, more particularly 1 0 1 to 1 Z 5 The range of is preferable.
- the polymerizable unsaturated monomer (c) containing a cationic functional group is based on the total amount of monomers (a) to (e) from the viewpoints of smoothness, sharpness, water resistance, etc. of the formed coating film. Generally 1 to 15 mass%, especially 2 to 10 mass%. / 0 , more preferably 3 to 8% by mass.
- the polymerizable unsaturated monomer (d) a polymerizable unsaturated monomer having a bridged alicyclic hydrocarbon group (d-1) and a (cyclo) alkyl group having 6 to 18 carbon atoms is used. At least one polymerizable unsaturated monomer selected from the group consisting of monomers (d-2) is used. Among these, it is preferable that the polymerizable unsaturated monomer (d) contains a bridged alicyclic hydrocarbon group-containing polymerizable unsaturated monomer (d-1).
- (cyclo) alkyl group is a generic term for an alkyl group and a cycloalkyl group.
- the bridged alicyclic hydrocarbon group-containing polymerizable unsaturated monomer (d-1) is a compound containing a bridged alicyclic hydrocarbon group and a polymerizable unsaturated group in one molecule.
- Examples of the polymerizable unsaturated monomer (d-1) include isoponyl (meth) acrylate, tricyclodecanyl (meth) acrylate, adamantyl (meth) acrylate, and the like. Or two or more can be used in combination. Of these, isobornyl (meth) acrylate is preferred.
- the polymerizable unsaturated monomer containing a bridged alicyclic hydrocarbon group (d-1) is generally 1 to 50% by mass, especially 5 to 5%, based on the total amount of monomers (a) to (e), from the viewpoint of smoothness, sharpness and water resistance of the formed coating film. It is preferable to use within a range of 40% by mass, more particularly 10 to 30% by mass, and even more particularly 15 to 25% by mass.
- Polymerizable unsaturated monomer having (cyclo) alkyl group having 6 to 18 carbon atoms (d-2)
- Polymerizable unsaturated monomer having (cyclo) alkyl group having 6 to 18 carbon atoms (d-2)
- a polymerizable unsaturated monomer having an alkyl group having 8 to 13 carbon atoms is preferable, and 2_ethylhexyl (meth) acrylate and lauryl (meth) acrylate are particularly preferable.
- the polymerizable unsaturated monomer (d-2) having an alkyl group having 6 to 18 carbon atoms is used as the polymerizable unsaturated monomer (d)
- the polymerizable unsaturated monomer having an alkyl group having 6 to 18 carbon atoms is used.
- Saturated monomer (d-2) is used from the viewpoints of smoothness, sharpness and water resistance of the formed coating film. 1 to 50% by weight, in particular 5 to 40% by weight, more particularly 10 to 30% by weight, and even more particularly 15 to 25%, based on the total amount of mer (a;) to (e) It is preferable to use within the range of mass%.
- ethylenically unsaturated monomers ( e ) include polymerizable unsaturated monomers other than monomers (a) to (d) that are copolymerizable with monomers (a) to (d) described above.
- Other ethylenically unsaturated monomers (e) include, for example, methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, i-propyl (meth) acrylate, n _ Butyl (meth) acrylate, i-Butyl (meth) END Tallylate, alkyl (meth) acrylates such as tert-butyl (meth) acrylate; Bull aromatic compounds such as styrene, ⁇ -methylstyrene, butyltoluene; (Meth) acrylic acid, maleic acid, crotonic acid, carboxyl group-containing polymerizable unsaturated monomers
- the other polymerizable unsaturated monomer (e) contains a vinyl aromatic compound, particularly styrene.
- polymerizable unsaturated monomer (e) is the total amount of monomers (a) ⁇ (e) as the reference, generally 1-8 8 wt%, in particular 1-7 9 mass 0/0, more particularly 1 It is preferable to use within the range of ⁇ 67 mass%.
- the bull aromatic compound for example, styrene
- the bull aromatic compound is generally 1 to 1 on the basis of the total amount of the monomers (a) to (e). It is preferable to use within a range of 40% by mass, particularly 3 to 15% by mass, and more particularly 5 to 10% by mass.
- the copolymer (A) used in the aqueous coating composition of the present invention comprises the polymerizable unsaturated monomer (a) having a polyoxyalkylene chain described above, and a hydroxyl group-containing polymerizable compound having no polyoxyalkylene chain.
- the proportion of the monomers (a) to (e) used in the copolymerization is not strictly limited and can be changed according to the physical properties desired for the copolymer to be formed. Based on the total amount of a) to (e), it can be within the following range.
- Monomer (b) 5 to 40% by mass, preferably 7 to 35% by mass, more preferably 1
- the copolymerization of the monomers (a) to (e) can be carried out by a method known per se, for example, a solution polymerization method in an organic solvent, an emulsion polymerization method in water, etc.
- the solution polymerization method is suitable.
- a copolymerization method by a solution polymerization method for example, a mixture of monomers (a) to (e) and a radical polymerization initiator is dissolved or dispersed in an organic solvent, and usually about 80 ° C. to about 2
- An example is a method in which polymerization is carried out by heating at a temperature of 0 °° with stirring for about 1 to 10 hours.
- organic solvents examples include hydrocarbon solvents such as heptane, toluene, xylene, octane, and mineral spirits; ethyl acetate, n-butyl acetate, isobutyl acetate, ethylene glycol monomethyl ether acetate, diethylene glycol Ester solvents such as coal monobutyl ether acetate; Ketone solvents such as methyl ethyl ketone, methyl isobutyl ketone, disobutyl ketone, and cyclohexanone; methanol, ethanol, isopropanol, n-butanol, sec-butanol, iso Alcohol solvents such as butanol; ether solvents such as n-butyl ether, dioxane, ethylene glycolenomonomethy / leetenore, ethylene glycol monoethyl ether; Cosmo Oil Co., Ltd.
- Suwazoru 3 1 Suwazo one Honoré 1 0 0
- aromatic petroleum solvents such as Suwazo one Honoré 1 5 0 0.
- These organic solvents can be used alone or in combination of two or more.
- the organic solvent can be used in a proportion of usually 400 parts by mass or less with respect to the total amount of the monomers (a) to (e).
- radical polymerization initiator examples include ketone peroxides such as cyclohexanone peroxide, 3,3,5-trimethyl cyclohexanone peroxide, and methyl cyclohexanone peroxide; 1,1-bis (tert-butylperoxy) 1,3,3,5-trimethylcyclohexane, 1,1bis (tert-butylperoxy) cyclohexane, n-butynole 4,4bis (tert-butylperoxy) Peroxyketanols, such as norrate; Hydroperoxides, such as cumene hydride peroxide, 2,5-dimethylhexane-1,5-dihydroperoxide; 1,3-bis (Tert-Putinoleperoxy-m-Isopropinole) Benzene, 2,5-Dimethyl Dialkyl peroxides such as tyru-2,5-di (tert-butylperoxy)
- the amount of the radical polymerization initiator used is not particularly limited, but is usually 0.1 to 15 parts by weight, particularly 0.3 to 10 parts per 100 parts by weight in total of the monomers (a) to (e). It is desirable to be within the range of parts by mass.
- the method for adding the monomer component and the polymerization initiator is not particularly limited, but the polymerization initiator is divided into several times from the initial stage of polymerization to the late stage of polymerization rather than charging all at the initial stage of polymerization.
- the dripping is suitable from the viewpoints of temperature control in the polymerization reaction and suppression of formation of unnecessary cross-linked products such as gelled products.
- the molecular weight of the copolymer (A) thus obtained is not particularly limited, but is generally a weight average molecular weight of 500 to 100 from the viewpoint of water dispersibility and smoothness of the formed coating film. , 000, particularly 1,000 to 70,000, more preferably 3,000 to 50,000.
- the copolymer (A) usually has a hydroxyl value in the range of 10 to 150 mg KOHZg, particularly 30 to 100 mg KOH / g, more particularly 50 to 9 Omg KOH / g. It is suitable to have.
- the polymer (A) can be neutralized with an acidic neutralizer to make it water-dispersible or water-soluble. wear.
- an acidic neutralizing agent include phosphoric acid, sulfonic acid, formic acid, acetic acid, propionic acid, n-butanoic acid, n-pentanoic acid, n-hexanoic acid, lactic acid, malic acid, and citrate. Of these, lactic acid can be preferably used.
- the above acid neutralizers can be used alone or in combination of two or more.
- the hydroxyl group-containing resin (B) used in the coating composition of the present invention is a resin having at least one hydroxyl group in one molecule, and specifically includes, for example, a hydroxyl group and if necessary. Furthermore, resins such as a polyester resin, an acrylic resin, a polyester resin, a polycarbonate resin, and a urethane resin containing a carboxyl group are included. Among these, it is preferable to use a hydroxyl group-containing acrylic resin (B-1) and Z or a hydroxyl group-containing polyester resin (B-2).
- a part of the hydroxyl group-containing acrylic resin (B-1) and the hydroxyl group-containing polyester resin (B-2) has a high elongation by extending a polyisocyanate compound to a part of the hydroxyl group in the resin by urethanization reaction. It may be replaced with a so-called urethane-modified acrylic resin or urethane-modified polyester resin having a molecular weight.
- the hydroxyl group-containing acrylic resin (B-1) itself contains the hydroxyl group-containing polymerizable unsaturated monomer ( ⁇ ) described below, together with other polymerizable unsaturated monomers (g) that can be copolymerized as required. It can be produced by (co) polymerization by a known method such as a solution polymerization method in an organic solvent or an emulsion polymerization method in water.
- the hydroxyl group-containing polymerizable unsaturated monomer ( ⁇ ) is a compound having at least one hydroxyl group and a polymerizable unsaturated bond in one molecule, for example, 2-hydroxyethyl (meth) ate, 2- Such as hydroxypropyl (meth) acrylate, 3-hydroxy pill (meth) acrylate, 4-hydroxybutyryl (meth) acrylate T) Monoesterified product of acrylic acid and dihydric alcohol having 2 to 8 carbon atoms; (Meth) ⁇ -force prolacton modified product of monoesterified product of (meth) acrylic acid and dihydric alcohol having 2 to 8 carbon atoms Aralkyl alcohol, and (meth) acrylate having a polyoxyethylene chain whose molecular terminal is a hydroxyl group.
- Examples of other polymerizable unsaturated monomer (g) copolymerizable with the hydroxyl group-containing polymerizable unsaturated monomer (f) include methyl (meth) acrylate, ethyl (meth) acrylate, n— Propyl (meth) acrylate, i-Propyl (meth) acrylate, n-butyl (meth) acrylate, i-Butyl (meth) acrylate, tert-butyl (meth) acrylate, n-hexyl (meta ) Atarylate, n-octyl (meth) acrylate, 2-ethyl hexyl (meth) acrylate, no-nor (meth) acrylate, tridecyl (meth) acrylate, lauryl (meth) acrylate, stearyl (meth) T) Atalylate, “Istestearyl Atalylate” (trade name, manufactured
- a polymerizable unsaturated monomer having a isobornyl group a polymerizable unsaturated monomer having an adamantyl group such as adamantyl (meth) ate, a vinyl aromatic compound such as styrene, ⁇ -methylstyrene, butyltoluene, butyltrimethoxysilane, vinyl Le triethoxysilane, Bininoretorisu (2 main Tokishetokishi) silane, I - (meth) ⁇ methacryloyl Ruo carboxymethyl pro built Increment Tokishishiran, .gamma.
- (meth) alkoxy such as Atari Roy Ruo carboxymethyl flop port pills triethoxysilane
- Polymerizable unsaturated monomer having a fluorinated alkyl group such as fluoroolefin
- Polymerizable unsaturated monomer having a photopolymerizable functional group such as maleimide group
- ⁇ -Buylpyrrolidone Ethylene, Buta Butene compounds such as gen, chloroprene, propionate, vinyl acetate
- (meth) acrylic acid, maleic acid, crotonic acid, carboxyl group-containing polymerizable unsaturated monomers such as monocarboxyethyl acrylate; (meth) acrylonitrile, (Meth)
- the hydroxyl group-containing acrylic resin (B-1) preferably has an amide group, and the hydroxyl group-containing acrylic resin having such an amide group can be copolymerized with, for example, a hydroxyl group-containing polymerizable unsaturated monomer (f). And at least a part of other polymerizable unsaturated monomer (g) by using an amide group-containing polymerizable unsaturated monomer such as (meth) acrylamide or dimethylaminopropyl (meth) acrylamide. Can do.
- the hydroxyl group-containing polymerizable unsaturated monomer (f) is usually 1 to 50% by mass, preferably 2 to 40% by mass, more preferably 3 to 30%, based on the total amount of the monomer (f) and the monomer (g). mass. Can be used within the range of / 0 .
- the hydroxyl group-containing acrylic resin (B-1) is usually 0.1 to 20 Omg KOH / g, particularly 2 to 15 Omg KOH / g, more particularly from the viewpoint of storage stability and water resistance of the formed coating film. It is preferred to have an acid value in the range of 5-10 Omg KOH / g.
- the hydroxyl group-containing acrylic resin (B-1) is usually from 0.1 to 20 OmgKOHZg, especially from 2 to L 5 OmgKOHZg, more particularly from 5 to 1 from the viewpoint of water resistance of the formed coating film. It preferably has a hydroxyl value in the range of 0 Omg KOH / g.
- the hydroxyl group-containing acryl resin (B-1) generally has a weight average in the range of 3,000 to 300,000, preferably 4,000 to 200,000, more preferably 6,000 to 150,000. It is preferred to have a molecular weight.
- the number average molecular weight and weight average molecular weight in this specification are based on the number average molecular weight or weight average molecular weight measured by gel permeation chromatography (“HLC8120GPC” manufactured by Tosohichi Co., Ltd.) based on the molecular weight of standard polystyrene. This is the converted value.
- the hydroxyl group-containing resin (B) is also a polymerizable unsaturated monomer (h) having at least two polymerizable unsaturated groups in one molecule from the viewpoint of smoothness of the formed coating film, sharpness and water resistance.
- Examples of the polymerizable unsaturated monomer (h) having at least two polymerizable unsaturated groups constituting the core include allyl (meth) acrylate, ethylene glycol di (meth) acrylate, and triethylene. Glycol di (meth) attalylate, Tetrachi Rendered alcohol (meth) acrylate, 1,3-pentylene glycol (meth) acrylate, trimethylolpropane tri (meth) acrylate, 1,4-butanediol (meth) acrylate, neopentyl glycol di (Meth) acrylate, 1, 6 monohexanediol di (meth) acrylate, pentaerythritol di (meth) acrylate, pentaerythritol tetra (meth) acrylate, glyceronoresi (meth) acrylate, 1, 1 , 1 Trishydroxymethylethanedi (meth) acrylate, 1,
- the polymerizable unsaturated monomer (h) having at least two polymerizable unsaturated groups in one molecule preferably has an amide group from the viewpoint of the smoothness of the formed coating film.
- the unsaturated monomer may include methylene bis (meth) acrylamide, ethylene bis (meth) atrylamide, and the like.
- a polymerizable unsaturated monomer (i) having one polymerizable unsaturated group constituting the core in one molecule is a polymerizable unsaturated monomer (h) having at least two polymerizable unsaturated groups in one molecule.
- a polymerizable unsaturated monomer copolymerizable with), and a compound containing one polymerizable unsaturated group such as a vinyl group or a (meth) acryloyl group in one molecule.
- polymerizable unsaturated monomer (i) having one polymerizable unsaturated group per molecule examples include, for example, methyl (meth) acrylate, ethyl (meth) acrylate, and n-propyl (meth) acrylate.
- (meth) acrylic acid and carbon number 2-8 Monoesuteruihi products of dihydric alcohols, the (meth) E mono ester of divalent Arukonore acrylic acid and carbon number 2-8 - force Purorata tons modified products, polyoxyethylene Arinorearu call, molecular end is a hydroxyl group Hydroxyl-containing polymerizable unsaturated monomers such as (meth) acrylate having a chain; Carboxy group-containing polymerizable unsaturated monomers such as (meth) acrylic acid, maleic acid, crotonic acid, ⁇ -carboxyethyl acrylate; (meth) acrylonitrile, (meth) acrylamide, dimethylaminopropyl (meth) And nitrogen-containing polymerizable unsaturated monomers such as acrylamide, dimethylaminoethyl (meth) acrylate, and glycidyl (meth) acrylate and amines.
- 2-hydroxyethyl (meth) acrylate 2-hydroxyl
- 2-hydroxyl can be used as the hydroxyl group-containing polymerizable unsaturated monomer (f) constituting the shell.
- 2-hydroxyethyl (meth) acrylate 2-hydroxyl
- the hydroxyl group-containing polymerizable unsaturated monomer (f) is usually 1 to 35 mass ° / 0 , preferably 6 to 25 mass%, based on the total mass of the monomers (f), (j) and (k). More preferably, it can be used in the range of 11 to 20% by mass.
- the hydrophobic polymerizable unsaturated monomer (j) constituting the shell contains a polymerizable unsaturated monomer containing a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 6 or more carbon atoms.
- a polymerizable unsaturated monomer containing a straight-chain, branched or cyclic, saturated or unsaturated hydrocarbon group having 6 or more carbon atoms include n-hexyl (meth) acrylate, n-octyl (meth) acrylate, 2-ethyl hexyl (meth) acrylate, Noel (meth) acrylate.
- hydrophobic polymerizable unsaturated monomer (j) used in the water-dispersible acryl resin ( ⁇ -3) vinyl aromatic compounds are particularly preferable from the viewpoints of smoothness of the formed coating film, sharpness, and the like. Styrene is particularly preferred.
- Hydrophobic polymerizable unsaturated monomer (j) is the total amount of monomers ( ⁇ ),)) and (k) Is preferably 5 to 60% by mass, particularly 9 to 40% by mass, and more particularly 15 to 25% by mass.
- Examples of the polymerizable unsaturated monomer (k) other than the hydroxyl group-containing polymerizable unsaturated monomer (f) and the hydrophobic polymerizable unsaturated monomer (j) constituting the shell include, for example, methyl (meth) acrylate, Ethyl (meth) acrylate, n-propyl (meth) acrylate, i-propyl (meth) acrylate, n-butyl (meth) acrylate, i-butyl (meth) acrylate, tert-butyl (meth) acrylate, etc.
- the polymerizable unsaturated monomer (k) other than the hydroxyl group-containing polymerizable unsaturated monomer (f) and the hydrophobic polymerizable unsaturated monomer (j) is at least one of its components because it can ensure the smoothness of the formed coating film. As a part, it is preferable to contain a carboxyl group-containing polymerizable unsaturated monomer (1).
- carboxyl group-containing polymerizable unsaturated monomer (1) examples include (meth) atallylic acid, maleic acid, crotonic acid,] 3-carboxyethyl acrylate, and particularly acrylic acid. Particularly preferred is methacrylic acid.
- Carboxyl group-containing polymerizable unsaturated monomer (1) is a monomer ( ⁇ ) ⁇ from the viewpoint of the stability of water-dispersible acrylic resin (B-3) in aqueous media, smoothness of the formed coating film and water resistance. It is preferable to use within the range of usually 1 to 40% by mass, particularly 6 to 25% by mass, and more particularly 11 to 19% by mass, based on the total mass of (k).
- the water-dispersible acrylic resin (B-3) is generally 1 to 70 mg KOH / g N, especially 2 to 6 Omg KOHZg, more particularly 5 to 45 mg KOH / g, from the viewpoint of the water resistance of the formed coating film. It is preferable to have a hydroxyl value within the above range.
- Water-dispersible acrylic resins (B-3) are generally 5 to 90 mgKOH / g, especially 10 to 7 Omg KOH / g, more particularly 15 to 15 from the viewpoints of storage stability and water resistance of the formed coating film. It is preferred to have an acid value in the range of 5 Omg KOH / g.
- a polymerizable unsaturated monomer having only one polymerizable unsaturated group per molecule as the monomer (f), (j) and (k) is preferable that the shell of the water-dispersible acrylic resin (B-3) be an uncrosslinked type.
- the water-dispersible acrylic resin (B-3) is, for example, a polymerizable unsaturated monomer having at least two polymerizable unsaturated groups in one molecule (h) 0.1 to 30% by mass and polymerizable unsaturated Polymerizable unsaturated monomer having one group per molecule (i) Emulsion obtained by emulsion polymerization of monomer mixture (I) containing 70 to 99.9% by mass Hydroxyl-containing polymerizable unsaturated monomer (f). 1 to 35 weight 0/0, the hydrophobic polymerizable unsaturated monomer (j).
- the monomer mixture (II) containing 5 to 94% by mass can be added and further polymerized.
- the emulsion polymerization of the monomer mixture can be carried out by a method known per se, for example, using a polymerization initiator in the presence of an emulsifier.
- an anionic emulsifying agent or a nonionic emulsifier is suitable.
- the anionic emulsifier include sodium salts and ammonium salts such as alkyl sulfonic acid, alkyl benzene sulfonic acid, and alkyl phosphoric acid.
- Nonionic emulsifiers include, for example, polyoxyethylene oxide.
- Rail ether polyoxyethylene stearyl ether, polyoxyethylene lauryl ether, polyoxyethylene tridecinoleate nore, polyoxyethylene phenol / leatenore, polyoxyethylene nonylphenolatenore, polyoxyethylene octinorefinenoate imagery, polyoxyethylene Ethylene monolaurate, polyoxyethylene monostearate, polyoxyethylene monooleate, recbitan monolaurate, recbitan monostearate, sorbitan mono Ste Phthalate, sorbitan trioleate, polyoxyethylene sorbitan monolaurate and the like.
- a reactive anionic emulsifier having a reactive unsaturated group may be used, and among them, it is preferable to use a reactive anionic emulsifier.
- the reactive anionic emulsifiers include sodium salts and ammonium salts of sulfonic acid compounds having radically polymerizable unsaturated groups such as (meth) aryl groups, (meth) acryloyl groups, propenyl groups, butenyl groups. Can do.
- an ammonium salt of a sulfonic acid compound having a radical polymerizable unsaturated group is preferred because the formed coating film has excellent water resistance.
- Examples of the commercially available ammonium salt of the sulfonic acid compound include Latemul S-1 18 O A (trade name, manufactured by Kao Corporation).
- ammonium salts of sulfonic acid compounds having a radically polymerizable unsaturated group ammonium salts of sulfonic acid compounds having a radically polymerizable unsaturated group and a polyoxyalkylene group are more preferable.
- examples of commercially available ammonium salts of sulfonic acid compounds having a radical polymerizable unsaturated group and a polyoxyalkylene group include, for example, Aqualon KH—10 (trade name, manufactured by Daiichi Kogyo Seiyaku Co., Ltd.), SR-1 0 2 5 A (trade name, manufactured by Asahi Denka Kogyo Co., Ltd.).
- the emulsifier is usually in the range of 0.1 to 15% by mass, preferably 0.5 to 10% by mass, more preferably 1 to 5% by mass, based on the total amount of all monomers used. Can be used.
- the polymerization initiator may be any of oil-soluble and water-soluble types, for example, benzoyl peroxide, otanoyl peroxide, lauroyl peroxide, stearoyl peroxide, Cumene hydroperoxide, tert-butenoleperoxide, tert—petitenoleperoxylaurate, tert—petitenoleper Organic peroxides such as oxysopropyl carbonate, tert-butyl peroxyacetate, diisopropiyl / madzene hydroperoxide; azobisisobutyronitrile trinole, azobis (2,4-dimethylvaleronitrile ), Azobis (2-methylpropion nitrile), azobis (2-methylbutyronitrile), 4, 4'-azobis (4 cyanobutanoic acid), dimethylazobis (2-methylpropionate), azobis [2-methy ⁇ ⁇ One N— (2-hydroxyethyl
- a reducing agent such as sugar, sodium formaldehyde sulfoxylate, or iron complex may be used in combination with the above polymerization initiator to form a redox polymerization system.
- the amount of the polymerization initiator used is generally in the range of 0.1 to 5% by mass, particularly 0.2 to 3% by mass, based on the total mass of all monomers used.
- the method for adding the polymerization initiator is not particularly limited, and can be appropriately selected depending on the type and amount thereof. For example, it may be preliminarily included in the monomer mixture or aqueous medium, or may be added all together during the polymerization, or may be added dropwise.
- the water-dispersible acrylic resin ( ⁇ -3) is obtained by adding the hydroxyl group-containing polymerizable unsaturated monomer (f), the hydrophobic polymerizable unsaturated monomer (j), and the above monomer ( It can be obtained by adding a monomer mixture (II) containing a polymerizable unsaturated monomer (k) other than f) and (j) and further polymerizing.
- the monomer mixture (I I) can appropriately contain components such as a polymerization initiator, a chain transfer agent, a reducing agent, and an emulsifier as listed above, if necessary.
- the monomer mixture (II) can be dropped as it is, but it is desirable to disperse the monomer mixture (II) in an aqueous medium and drop it as a monomer emulsion to be obtained.
- the particle size of the monomer emulsion is not particularly limited.
- the polymerization of the monomer mixture (II) can be carried out, for example, by adding the monomer mixture (II), which may be emulsified, to the resin dispersion liquid all at once or dropwise and heating to an appropriate temperature while stirring. it can.
- the water-dispersible acrylic resin (B-3) obtained as described above has a polymerizable unsaturated monomer (h) having at least two polymerizable unsaturated groups in one molecule and 1 polymerizable unsaturated group.
- a copolymer (I) formed from a monomer mixture (I) containing one polymerizable unsaturated monomer (i) in the molecule is used as a core, a hydroxyl group-containing polymerizable unsaturated monomer (f), Copolymer (II) formed from a monomer mixture (II) containing a polymerizable unsaturated monomer (k) other than the above-described monomer (f) and (j) It can have a core-shell type multilayer structure.
- the ratio of copolymer (I) to copolymer (II) is determined from the viewpoint of flip-flop properties and metallic unevenness of the coating film.
- the solids mass ratio of the union (II) is generally in the range of 10/90 to 90/10, in particular 50/5 0 to 85,15, more particularly 65/35 to 80Z20, above
- the water dispersible acryl resin ( ⁇ -3) thus obtained can generally have an average particle size in the range of 10 to 100 Onm, particularly 20 to 500 nm.
- the average particle size of the water-dispersible acrylic resin is a value measured by the Coulter Counter Method at a measurement temperature of 20 ° C. This measurement can be performed using, for example, “COULTER N4 type” (trade name, manufactured by Beckman Coalter).
- acidic groups such as carboxyl groups of the water-dispersible acrylic resin (B-3) are treated with a neutralizing agent. It is desirable to neutralize.
- the neutralizing agent is not particularly limited as long as it can neutralize acidic groups, and examples thereof include sodium hydroxide, hydroxide, trimethylamine, 2- (dimethylamino) ethanol, 2 —Amino-2-methylolene 1 —Propanol, triethylamine, aqueous ammonia, etc. It is desirable to use such an amount that the pH of the water-dispersible acrylic resin after neutralization of W 200 is about 6.5 to 9.0.
- the hydroxyl group-containing polyester resin (B-2) can be produced, for example, by an esterification reaction or a transesterification reaction between a polybasic acid component and a polyhydric alcohol component. It can also be produced by adding a polyhydric alcohol component to the carboxyl group-containing polyester resin.
- polybasic acid component a compound usually used as an acid component in the production of a polyester resin can be used.
- phthalic acid isophthalic acid, terephthalic acid, succinic acid, adipic acid, azelaic acid, sebacic acid
- Polybasic acids such as tetrahydrophthalic acid, hexahydrophthalic acid, maleic acid, fumaric acid, itaconic acid, trimellitic acid, pyromellitic acid; anhydrides of these polybasic acids; lower alkyls of these polybasic acids Examples include esterified products.
- These polybasic acid components can be used alone or in combination of two or more.
- the polyhydric alcohol component is a compound having two or more hydroxyl groups in one molecule.
- ethylene glycolol, 1,2 monopropylene darricanol, 1,2-butylene glycol, 2, 3 - ⁇ -glycolone such as putylene glycolanol, 1,2-hexanediol, 1,2-dihydroxy oral hexane, 3-ethoxypropane-1,2-diol, 3-phenoxypropan-1,2-diol Neopentinoleglycol, 2-methylolene 1,3-propanediol, 2-methyl-2,4-monopentanediol, 3-methyl-1,3-butanediol, 2-ethyl-1,3-hexanediol, 2 , 2-jetyl-1,1,3-propanediol, 2,2,4-trimethylolene 1,3-pentanediol, 2-butyl-2-ethyl-1,3-propanediol,
- the hydroxyl group-containing polyester resin (B-2) may be copolymerized with monocarboxylic acid, monoalcoholole or hydroxycarboxylic acid.
- these copolymerization components include lauric acid, myristic acid, and palmitic acid.
- the esterification or transesterification reaction of the polybasic acid component and the polyhydric alcohol component may be performed by a method known per se, for example, by converting the polybasic acid component and the polyhydric alcohol component from about 180 ° C. to about 25 ° C. Can be carried out by polycondensation at a temperature of
- the hydroxyl group-containing polyester resin (B-2) is used during the preparation of the polyester resin or After the esterification reaction, it can be modified by reacting a fatty acid, a monoepoxy compound or the like.
- the fatty acid include coconut oil fatty acid, cottonseed oil fatty acid, hemp seed oil fatty acid, rice bran oil fatty acid, fish oil fatty acid, tall oil fatty acid, soybean oil fatty acid, flax oil fatty acid, tung oil fatty acid, rapeseed oil fatty acid, castor oil fatty acid, Dehydrated castor oil fatty acid, safflower oil fatty acid, and the like.
- the monoepoxy compound include “CARDYURA E 10 P” (trade name, manufactured by Japan Epoxy Resin Co., Ltd., glycidyl ester of synthetic hyperbranched fatty acid). Can be mentioned.
- Hydroxyl-containing polyester resins (B-2) generally have an acid value in the range of 5 to: L 0 OmgKOH / g, in particular 10 to 8 Omg KOH / g, more particularly 15 to 60 mg KOHZ g. It is also preferred to have a hydroxyl value in the range of generally 10-20 Omg KOH / g, in particular 30-: 1 70 mg KOH / g, more particularly 60-150 mg KOHZ g.
- the hydroxyl group-containing polyester resin (B-2) generally has a weight average molecular weight in the range of 500 to 50,000, in particular 1,000 to 20,000, more particularly 1,500 to 10,000. .
- the melamine resin (C) used in the aqueous coating composition of the present invention generally has a weight average molecular weight of 1,000 to 5,000, preferably 1,200 to 4,000, more preferably 2,000 to 5,000. Melamine resin in the range of 3,000. By using the specific melamine resin (C) having a weight average molecular weight within the above range, the aqueous coating composition of the present invention can form a coating film excellent in water resistance.
- Examples of the melamine resin (C) include a part obtained by a reaction between melamine and an aldehyde or a completely methylolated melamine resin.
- Examples of the aldehyde include formaldehyde, paraformaldehyde, and trioxane.
- the above part or the completely methylolated melamine resin is further added with alcohol.
- Alcohols partially or fully etherified can also be used, and examples of alcohols used for etherification include methyl alcohol, ethyl alcohol, n-pilled pill alcoholic, i monopropinolic alcohol, n- Examples of the alcohol include 1-8 carbon atoms, preferably 1-4 alcohols such as butynole alcohol, i-butinorea / recall, 2-ethylbutanol and 2-ethylhexanol.
- melamine resin (C) a methyl etherified melamine resin in which the methylol group of the above-mentioned partially or completely methylolated melamine resin is partially or completely etherified with methyl alcohol, or partially or completely with butyl alcohol.
- Alkyl ether melamine resins such as butyl etherified melamine resins etherified to methyl ether and methyl-butyl mixed etherified melamine resins partially or completely etherified with methyl alcohol and butyl alcohol are particularly preferred.
- the aqueous coating composition of the present invention is prepared by uniformly mixing the copolymer (A), the hydroxyl group-containing resin (B), and the melamine constellation (C) described above by ordinary coating means. be able to.
- the blending ratio (content) of the copolymer (A), the hydroxyl group-containing resin (B), and the melamine resin (C) in the aqueous coating composition of the present invention is as follows: copolymer (A), hydroxyl group-containing resin (B) and
- the total resin solid content of melamine resin (C) is preferably within the following range based on 100 parts by mass.
- Copolymer (A) Generally 1 to 50 parts by mass, preferably 2 to 20 parts by mass, more preferably 3 to 10 parts by mass,
- Hydroxyl-containing resin (B) generally 20 to 90 parts by mass, preferably 25 to 70 parts by mass, more preferably 30 to 60 parts by mass,
- the aqueous coating composition according to the present invention has a hydroxyl group-free water-soluble or water-dispersible polyurethane resin, polyester resin, acrylic resin, alkyd resin, silicone resin, Modification resins such as fluororesin and epoxy resin can be included.
- a water-soluble “raw or water-dispersible polyurethane resin it is preferable to include a water-soluble “raw or water-dispersible polyurethane resin.
- the amount of the modifying resin is the total resin solids of copolymer (A), hydroxyl group-containing resin (B) and melamine resin (C). It is preferably within the range of usually 1 to 50 parts by weight, particularly 3 to 40 parts by weight, and more particularly 5 to 30 parts by weight, based on the part 100 parts by weight.
- the aqueous coating composition of the present invention contains a melamine resin (C)
- other curing agents having a functional group capable of reacting with the crosslinkable functional group may be contained.
- the other curing agent examples include a compound having a functional group capable of reacting with the crosslinkable functional group, such as an amino resin, a polyisocyanate compound, a blocked polyisocyanate compound, an epoxy group-containing compound, a carboxyl group. Containing compounds, carbohydride group-containing compounds, etc. Among them, it is preferable to use a blocked polyisocyanate compound and Z or a carbodiimide group-containing compound.
- blocked polyisocyanate compound examples include, for example, an isocyanate group of a polyisocyanate compound having at least two isocyanate groups in one molecule, an oxime, a phenol, an alcohol ⁇ ⁇ , a ratatam, Blocked with a blocking agent such as can be used.
- a compound obtained by reacting isocyanate groups of a polyisocyanate compound with each other in a deoxidizing carbon reaction can be used.
- examples of commercially available compounds containing the carpositimide group include “Calpolite V— 0 2 J” “Calpolite V— 0 2— L 2”, “Carbodilite V— 0 4”, “Calpolite E— 0 1”, “Calpolite E” — 0 2 ”(Brand name, label, misalignment made by B Seibo Co., Ltd.).
- the blending amount of the curing agent is the total resin solid content of the copolymer (A), the hydroxyl group-containing resin (B), and the melamine resin (C). It is preferably in the range of usually 1 to 40 parts by mass, particularly 5 to 20 parts by mass, based on 100 parts by mass.
- the aqueous coating composition of the present invention preferably contains a hydrophobic solvent (D).
- the hydrophobic solvent (D) is an organic solvent having a mass dissolved in 100 g of water at 20 ° C. of 10 g or less, preferably 5 g or less, more preferably 1 g or less.
- the amount of the hydrophobic solvent (D) is as follows: copolymer (A), hydroxyl group-containing resin (B) and melamine resin (C). Based on 100 parts by mass of the total resin solid content, it is usually in the range of 10 to 100 parts by mass, particularly 20 to 80 parts by mass, and more particularly 30 to 60 parts by mass. Is preferred.
- alcohol-based hydrophobicity is used from the viewpoint of the sharpness of the formed coating film. It is preferable to use a solvent.
- alcohol-based hydrophobic solvents having 7 to 14 carbon atoms, preferably n-octanol, 2-octanol, 2-ethyl-1-hexanol, ethylenglycol 2-ethinorehexenoleethenole, propylene daricol
- Particularly preferred is at least one alcohol-based hydrophobic solvent selected from the group consisting of nole-puccinoreether and dipropylene dallicol n -butyl ether.
- the aqueous coating composition of the present invention can contain a luster pigment (E).
- the glitter pigment (E) is a pigment that imparts a light-interfering pattern to the paint film, specifically non-leafing type or leafing type aluminum (including vapor deposited aluminum).
- the metallic pigment is preferably flake shaped.
- these metallic materials have longitudinal dimensions; Suitable are those having a thickness in the range of ⁇ 10 0 im, in particular 5 to 40 ⁇ m, in the range of 0.001 to 5 ⁇ , in particular 0.01 to 2 ⁇ .
- the blending amount of the glitter pigment (E) is usually 1 to 5 parts by weight based on 100 parts by mass of the total solid content of the copolymer (A), the hydroxyl group-containing resin (B) and the melamine resin (C). It is preferably within a range of 50 parts by mass, particularly 5 to 35 parts by mass, and more particularly 8 to 20 parts by mass.
- the water-based paint composition of the present study further comprises, if necessary, a color pigment, an extender pigment, a curing catalyst, a thickener, an ultraviolet absorber, a light stabilizer, an antifoaming agent, a plasticizer, an organic solvent, a surface conditioner, Conventional paint additives such as anti-settling agents can be contained alone or in combination of two or more.
- Examples of the colored pigment include titanium oxide, zinc white, carbon black, molypden red, Prussian blue, cobalt blue, azo pigment, phthalocyanine pigment, quinatalidone pigment, isoindoline pigment, selenium pigment, and perylene pigment.
- print pigments include talc, clay, kaolin, barita, barium sulfate, barium carbonate, calcium carbonate, silica, and alumina white.
- the curing catalyst examples include sulfonic acids such as paratoluenesulfonic acid, dodecylbenzenesulfonic acid, and dinonylnaphthalenesulfonic acid, and salts of these acids and amines.
- the substrate to which the water-based coating composition of the present invention can be applied is not particularly limited.
- metal materials such as plated steel sheets; polyethylene resin, polypropylene resin, acrylonitrile-butadiene-styrene (ABS) resin, polyamide resin, acrylic resin, vinylidene chloride resin Resin such as polycarbonate resin, polyurethane resin, epoxy resin and various plastic materials such as FRP; inorganic materials such as glass, cement and concrete; wood; fiber materials (paper, cloth, etc.) Of these, metal materials and plastic materials are preferred.
- the object to which the water-based coating composition of the present invention can be applied is not particularly limited, but is a skin part of an automobile body such as a passenger car, a truck, a motorcycle, a bus; an automobile part; a mobile phone; an audio device
- the outer plate portion of an automobile body and automobile parts are preferable.
- the object to be coated may be one in which a surface treatment such as a phosphate treatment, a chromate treatment, or a complex oxide treatment is performed on the metal surface of the metal material or a car body formed from the metal material. Further, the object to be coated may be one in which an undercoating film such as various electrodeposition coatings and a Z coating or an intermediate coating film is formed on the metal substrate or the vehicle body.
- a surface treatment such as a phosphate treatment, a chromate treatment, or a complex oxide treatment is performed on the metal surface of the metal material or a car body formed from the metal material.
- an undercoating film such as various electrodeposition coatings and a Z coating or an intermediate coating film is formed on the metal substrate or the vehicle body.
- the coating method of the water-based paint yarn and composition of the present invention is not particularly limited, and examples thereof include air spray coating, airless spray coating, rotary atomization coating, curtain coat coating, and the like. A wet coating can be formed. These painting methods If necessary, static electricity may be applied. Of these, air spray coating and rotary atomization coating are preferred.
- the coating amount of the water-based coating composition is usually 5 to 70 ⁇ m, preferably about 10 to 50 / zm as a cured film thickness.
- the wet paint film is cured by applying the aqueous coating composition of the present invention to the object to be coated and then heating.
- Heating can be performed by a heating means known per se.
- a drying furnace such as a hot air furnace, an electric furnace, or an infrared induction heating furnace can be used.
- the heating temperature is usually within the range of about 8 ° C to about 180 ° C, preferably about 100 ° to about 1700 ° C, and more preferably about 12 ° C to about 160 ° C. Yes.
- the heating time is not particularly limited, but can usually be about 10 to 40 minutes, preferably about 15 to 30 minutes.
- the aqueous paint composition of the present invention can be suitably used as an automobile paint.
- An aqueous base coat paint containing a glittering pigment and Z or a colored pigment is applied on an object to be coated, and then a tarier paint is applied. It can be suitably used as an aqueous base coat paint in a coating method.
- the water-based paint composition of the present invention is used as a water-based base coat paint, for example, it is formed by coating the water-based paint composition of the present invention on an object that has been subjected to electrodeposition coating and / or intermediate coating. After the clear coating is applied onto the uncured coating without curing the coating, the uncured coating and the clear coating are heated and cured at the same time. Can be formed.
- the uncured coating includes a touch-dried coating and a semi-cured coating.
- the aqueous coating composition of the present invention When the aqueous coating composition of the present invention is applied in a 2-coat 1-beta system, the aqueous coating composition is usually 5 to 4 0 111, preferably 10 to 3 0/1 111, more preferably in terms of cured film thickness.
- the clear paint can be applied in a range of 10 to 80 xm, preferably 15 to 60 m in terms of cured film thickness. Can be painted as follows.
- the preheating can usually be performed at a temperature of about 40 to about 100 ° C, preferably about 50 to about 90 ° C, and more preferably about 60 to about 80 ° C.
- the time is usually about 30 seconds to 15 minutes, preferably about 1 to 10 minutes, and more preferably about 2 to 5 minutes.
- the air blow can be usually performed by blowing air heated to a normal temperature or a temperature of about 25 to about 80 ° C. on the coated surface of the object to be coated.
- an interval of about 1 to 60 minutes, preferably about 3 to 20 minutes at room temperature, or about 40 to about 80 ° C is used as necessary.
- the film can be preheated for about 60 minutes and then the film can be cured by heating.
- the water-based paint composition and the talya paint can be carried out by a heating means known per se, and are usually about 80 to about 180 ° C., preferably about 100 to about 170 ° C. More preferably, both coatings can be cured at the same time by heating at a temperature of about 120 ° C. to about 160 ° C. for 10 to 40 minutes, preferably 15 to 30 minutes. Is preferred.
- the water-based paint composition of the present invention comprises applying an intermediate coating on an article to be coated, applying a base coat on the uncured intermediate coating without curing the coating, Without curing the coating film, a three-layer coating is used to coat and heat cure three layers of the intermediate coating, base coating, and clear coating at the same time by applying a tarrier coating onto the uncured base coating.
- a three-layer coating is used to coat and heat cure three layers of the intermediate coating, base coating, and clear coating at the same time by applying a tarrier coating onto the uncured base coating.
- the intermediate coating is usually in the range of 10 to 6 0 111, preferably 20 to 40 / m in terms of cured film thickness.
- the base coat paint usually has a cured film thickness of 5 to 40 m, preferably 10 to 30 m, more preferably 10 to 20 ⁇ m.
- clear coating is usually 1 0 to 8 0 mu m in cured film thickness, preferably 1 5 It is preferable to paint so that it is in the range of 60 ⁇ .
- preheating when the aqueous coating composition of the present invention is used as an intermediate coating and / or base coating, preheating (preheating) under heating conditions in which the coating film is not substantially cured after application of the aqueous coating composition. ) It is preferable to perform air blow or the like.
- the preheating can usually be performed at a temperature of about 40 to about 100 ° C, preferably about 50 to about 90 ° C, more preferably about 60 to about 80 ° C.
- the time can be usually about 30 seconds to 15 minutes, preferably about 1 to 10 minutes, and more preferably about 2 to 5 minutes.
- the air procedure can be carried out by spraying air heated to normal temperature or a temperature of about 25 to about 80 ° C on the coated surface of the object to be coated.
- an interval of about 1 to 60 minutes at room temperature, preferably about 3 to 20 minutes, or a temperature of about 40 to about 80 ° C is used as necessary.
- the film can be preheated for about 60 minutes, and then the coating film can be cured by heating.
- Curing of the coating film can be performed by the above-mentioned heating means known per se, usually about 80 to about 180 ° C, preferably about 100 to about 170 ° C, more preferably about It is preferable to heat the coating at a temperature of 120 to 160 ° C. for 10 to 40 minutes, preferably for 15 to 30 minutes to cure the three coating layers at the same time.
- the aqueous coating composition of the present invention By using the aqueous coating composition of the present invention, a coating film excellent in coating film performance and appearance can be formed. Therefore, the aqueous coating composition of the present invention can be suitably used as an automotive coating material.
- thermosetting base coating can be used as the base coating, specifically, for example, an alkyd resin or a polyester resin.
- a coating material comprising a base resin such as an acrylic resin or a urethane resin and a curing agent such as an amino resin, a polyisocyanate compound, a block polyisocyanate compound, or a carpositimide group-containing compound can be used.
- base coat paint from the viewpoint of environmental problems and resource saving, the amount of organic solvent used is small. High-solids paints, water-based paints, and the like can be suitably used.
- thermosetting intermediate coating can be used as the intermediate coating.
- an alkyd resin such as an acrylic resin or a urethane resin, and a curing agent such as an amino resin, a polyisocyanate compound, a block polyisocyanate compound, or a carbodiimide group-containing compound
- a curing agent such as an amino resin, a polyisocyanate compound, a block polyisocyanate compound, or a carbodiimide group-containing compound.
- high-solid-type coatings, water-based coatings, powder coatings, and the like that use a small amount of organic solvent can be suitably used.
- talya paint for example, a known paint that is usually used for painting a car body can be used.
- a base resin such as an acrylic resin, a polyester resin, an alkyd resin, a urethane resin, an epoxy resin, or a fluororesin having a crosslinkable functional group such as a hydroxyl group, a carboxyl group, an epoxy group, or a silanol group, and a melamine resin
- Urea resin optionally blocked polyisocyanate compound, carboxyl group-containing compound or resin, epoxy group-containing compound or resin or other organic solvent-based thermosetting paint containing a resin component, water-based Examples include thermosetting paints and thermosetting powder coatings.
- thermosetting paint containing a carboxyl group-containing resin and an epoxy group-containing resin and a thermosetting paint containing a hydroxyl group-containing resin and a polyisocyanate compound which may be blocked are suitable.
- the above-mentioned talya paint may be in the form of a one-part paint, or may be in the form of a two-part paint such as a two-part urethane resin paint. If necessary, the above-mentioned talya paint can contain coloring pigments, glitter pigments, dyes and the like to such an extent that the transparency of the formed coating film is not hindered.
- a reactor equipped with a thermometer, thermostat, stirrer, reflux condenser and dropping device is charged with 5 parts of propylene glycolenolemonomethylenoateolene and 5 parts of propylene darconolole monobutinole ether and heated. Stir and maintain at 110 ° C.
- MPEG 1 00 0 (trade name, manufactured by Degussa, R 1 in the general formula (1) is a methyl group, R 2 is a methyl group, R 3 is an ethylene group, and m is 21.
- copolymer solutions (A 2) to (A 39) were obtained in the same manner as in Production Example 1 except that the component composition and blending ratio were as shown in Table 1 below.
- the solid content, acid value, hydroxyl value and weight average molecular weight of the obtained copolymer solution are shown in Table 1 below.
- Table 1 below The amount of each polymerizable unsaturated monomer in is a solid content.
- NF biisomer PEM6 E trade name, manufactured by Daiichi Kogyo Seiyaku Co., Ltd., in the general formula (1), R 1 is a methyl group, R 2 is a hydrogen atom, R 3 is an ethylene group, and m is 6. Ethylene glycol monomethalate.
- NF biisomer S 20W trade name, manufactured by Daiichi Kogyo Seiyaku Co., Ltd.
- R 1 is a methyl group
- R 2 is a methyl group
- R 3 is ethylene group
- m is 45, the molecular weight of about 2,000 and is main butoxy polyethylene glycol 50% water diluted products monomethacrylate.
- PLACCEL FM-1 Trade name, manufactured by Daicel Chemical Industries, ⁇ -force prolactone modified hydroxychetyl methacrylate. Production example of hydroxyl group-containing resin ( ⁇ )
- a reaction vessel equipped with a thermometer, thermostat, stirrer, reflux condenser and dripping device was charged with 130 parts of deionized water and Aqualon ⁇ —10 (Note 4) 0.52 part, and stirred and mixed in a nitrogen stream. The temperature was raised to 80 ° C. Then, 1% of the total amount of the following monomer emulsion (1) and 5.3 parts of 6% ammonium persulfate aqueous solution were introduced into the reaction vessel and kept at 80 ° C. for 15 minutes. Thereafter, the remaining monomer emulsion (1) was dropped into a reaction vessel maintained at the same temperature over 3 hours, and aged for 1 hour after the completion of the dropping.
- Aqualon KH-10 Trade name, polyoxyethylene alkyl ether sulfate ester ammonium salt: 97% active ingredient manufactured by Daiichi Kogyo Seiyaku Co., Ltd.
- Monomer emulsion (1) 42 parts deionized water, Aqualon KH- 1.0 0.72 part, 2.1 parts methylenebisacrylamide, 2.8 parts styrene, 16.1 parts methylol methacrylate, 1 part ethyl ether 28 parts rate and 21 parts n-butyl acrylate are mixed and stirred. Monomer emulsion (1) was obtained.
- Monomer emulsion (2) Deionized water 18 parts, Aqualon KH—10. 31 parts, Persulfate ammonium 0.03 parts, Methacrylic acid 5.1 parts, 2-Hydroxyethyl acrylate 1 part of styrene, 3 parts of styrene, 6 parts of methyl methacrylate, 1.8 parts of ethyl acrylate and 9 parts of n-butyl acrylate were mixed and stirred to obtain monomer emulsion 2. Production examples 41-43
- the hydroxyl group-containing resins (B2) to (B4) were obtained in the same manner as in Production Example 40 except that the component compositions and blending ratios shown in Table 2 below were used. Table 2 below shows the solid content concentration, acid value, and hydroxyl value of the hydroxyl group-containing resins (B 1) to (B4) obtained together with Production Example 40.
- Phosphate group-containing resin solution Put 27.5 parts of methoxypropanol and 27.5 parts of isobutanol in a reaction vessel equipped with a thermometer, thermostat, stirrer, reflux condenser and dropping device.
- Phosphoric acid group-containing polymerizable monomer Put 57.5 parts of monobutyl phosphoric acid and 41 parts of isobutanol in a reaction vessel equipped with a thermometer, thermostat, stirrer, reflux condenser and dripping device. After raising the temperature, 42.5 parts of glycidyl methacrylate was added dropwise over 2 hours, and the mixture was further aged and stirred for 1 hour. Thereafter, 59 parts of isopropanol was added to obtain a phosphate group-containing polymerizable monomer solution having a solid concentration of 50%. The acid value of the obtained monomer based on the phosphate group was 28 SmgKOH / g. Production Example 47
- a bright pigment concentrate (P 2) was obtained in the same manner as in Production Example 46 except that 35 parts of ethylene glycol- 2-ethylenohexyl ether was replaced with 35 parts of ethylene glycol monobutyl ether.
- Copolymer solution obtained in Production Example 1 (A1) 20 parts, Hydroxyl-containing resin obtained in Production Example 40 (B 1) 100 parts, Hydroxyl-containing resin obtained in Production Example 44 (B 5) 43 parts, Melamine resin (C 1) (Methyl-butyl mixed etherified melamine resin, solid content 60%, weight average molecular weight 2,00 00) and 50 parts of the bright pigment concentrate (P 1) obtained in Production Example 46 were uniformly mixed. Further, deionized water and 2- (dimethylamino) ethanol were added to obtain an aqueous coating composition (XI) having a pH of 8.0 and a solid concentration of 23%. Examples 2 to 39, Comparative Examples 1 to 14
- a water-based paint composition having a pH of 8.0 and a solid concentration of 23% (X2) was prepared in the same manner as in Example 1 except that the components, composition, and blending ratio were as shown in Table 3 below. ⁇ (X 53) was obtained.
- test plates were prepared as follows and evaluated. .
- Example 40 Cold-rolled steel sheet treated with zinc phosphate “ELEKON GT—1 0” (trade name, manufactured by Kansai Paint Co., Ltd., thermosetting epoxy resin-based cationic electrodeposition paint) to a cured film thickness of 20 ⁇ ! Electric After coating, heat cure at 70 ° C for 30 minutes, and then apply the intermediate coating “Amirak TP-65-2” (trade name, manufactured by Kansai Paint Co., Ltd., polyester resin / amino resin) (Solvent type intermediate coating) was applied to give a cured film thickness of 40 ⁇ and heated at 140 for 30 minutes to cure to give a test coating.
- Example 40 Example 40
- Example 1 In a coating environment at a temperature of 23 ° C and a humidity of 75%, the aqueous coating composition (XI) obtained in Example 1 was cured on the test object using a rotary atomizing bell-type coating machine. The film was coated to a film thickness of 1, and allowed to stand for 2 minutes, followed by preheating at 80 ° C for 3 minutes. Next, Magiclon KI NO-1210 (trade name, manufactured by Kansai Paint Co., Ltd., acrylic resin-based solvent-type top coat) was applied on the uncured coating surface to a cured film thickness of 35 / im. After leaving for a minute, a test plate was prepared by heating at 140 ° C for 30 minutes to cure both coatings simultaneously. Examples 41 to 61, Comparative Example 1 5 to 21
- Test plates of Examples 41 to 61 and Comparative Examples 15 to 21 were prepared in the same manner as in Example 40 except that the aqueous coating composition (XI) in Example 40 was replaced with the aqueous coating composition shown in Table 4 below. Was made. Evaluation test
- test plates obtained in Examples 40 to 61 and Comparative Examples 15 to 21 were evaluated by the following test methods. The evaluation results are shown in Table 4 below.
- LW Long Wave
- Wa ve S can trade name, manufactured by BYK Gardner.
- the Long Wave (LW) value is an index of the amplitude of the surface roughness at a wavelength of about 1.2 to 12 mm, and the smaller the measured value, the higher the smoothness of the coated surface.
- Short Wave (SW) value is an index of the amplitude of the surface roughness at a wavelength of about 0.3 to 1.2 mm. The smaller the measured value, the higher the clearness of the coated surface. . water resistant:
- the remaining number of Gobang eyes coating is 89 or less.
- Example 23 In a coating environment at a temperature of 23 ° C and a humidity of 75%, the aqueous coating composition (X23) obtained in Example 23 was cured on the test object using a rotary atomizing bell-type coating machine. The film was coated to a thickness of 15 // m, left for 2 minutes, and preheated at 80 ° C for 3 minutes. Next On the uncured coating surface, apply Magycron KINO— 1 2 1 0 (trade name, manufactured by Kansai Paint Co., Ltd., talyl resin solvent type top coat) to a cured film thickness of 45 / m. 7 After leaving it for a minute, it was heated at 140 ° C. for 30 minutes to cure both coating films at the same time, thereby preparing a test plate. Examples 6 3 to 7 8, Comparative Example 2 2 to 2 8
- Example 6 3 to 7 8 and Comparative Example 2 were the same as Example 62 except that the aqueous paint composition (X 2 3) in Example 62 was replaced with the aqueous paint a composition shown in Table 5 below. 2 to 28 test plates were prepared. Evaluation test
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- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Paints Or Removers (AREA)
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Description
Claims
Priority Applications (3)
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JP2008526843A JP5430935B2 (ja) | 2006-07-25 | 2007-07-23 | 水性塗料組成物 |
CN2007800285771A CN101495581B (zh) | 2006-07-25 | 2007-07-23 | 水性涂料组合物 |
US12/309,650 US8404354B2 (en) | 2006-07-25 | 2007-07-23 | Water-based paint compositions |
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JP2006202589 | 2006-07-25 | ||
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PCT/JP2007/064824 WO2008013290A1 (fr) | 2006-07-25 | 2007-07-23 | Composition aqueuse de revêtement |
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US (1) | US8404354B2 (ja) |
JP (1) | JP5430935B2 (ja) |
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WO (1) | WO2008013290A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009263631A (ja) * | 2008-04-02 | 2009-11-12 | Kansai Paint Co Ltd | 水性塗料組成物 |
WO2009143248A2 (en) | 2008-05-23 | 2009-11-26 | Genovique Specialties Holdings Corporation | Aqueous polymer compositions exhibiting increased open time with reduced levels of volatile organic compounds |
US20110184116A1 (en) * | 2008-10-09 | 2011-07-28 | Asahi Glass Company, Limited | Aqueous coating composition and process for its production, and process for forming coating film |
JP2014005399A (ja) * | 2012-06-26 | 2014-01-16 | Kansai Paint Co Ltd | 水性塗料組成物 |
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JP5790505B2 (ja) | 2009-11-13 | 2015-10-07 | 旭硝子株式会社 | 耐水耐油剤組成物、これで処理された物品、およびこれらの製造方法 |
DE102010025769A1 (de) * | 2010-07-01 | 2012-01-05 | Basf Coatings Gmbh | Verfahren zur Herstellung einer farb- und/oder effektgebenden mehrschichtigen Lackierung |
US8796360B2 (en) * | 2010-11-24 | 2014-08-05 | Malaxit | Epoxy-rubber composition for cured materials |
JP5741838B2 (ja) * | 2011-05-31 | 2015-07-01 | 三菱レイヨン株式会社 | プラスチック基材用の水性被覆材、これを含有する塗料及びプラスチック成形物 |
JP6972726B2 (ja) * | 2017-07-20 | 2021-11-24 | 藤倉化成株式会社 | 多彩塗料組成物 |
JP6619413B2 (ja) * | 2017-12-15 | 2019-12-11 | 日本ペイント・インダストリアルコ−ティングス株式会社 | 塗料組成物及び塗膜 |
US11820845B2 (en) * | 2018-09-26 | 2023-11-21 | Lubrizol Advanced Materials, Inc | Polyamine additive |
TWI829766B (zh) * | 2018-09-26 | 2024-01-21 | 美商盧伯利索先進材料有限公司 | 速乾水基塗料、可水稀釋的聚胺添加劑之用途及增強在基板上的塗料組成物膜的抗水性之方法 |
CN113412323B (zh) * | 2019-02-08 | 2024-04-09 | 大金工业株式会社 | 拨水剂组合物 |
JPWO2021024604A1 (ja) * | 2019-08-02 | 2021-02-11 |
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- 2007-07-23 US US12/309,650 patent/US8404354B2/en active Active
- 2007-07-23 CN CN2007800285771A patent/CN101495581B/zh active Active
- 2007-07-23 WO PCT/JP2007/064824 patent/WO2008013290A1/ja active Application Filing
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JP2009263631A (ja) * | 2008-04-02 | 2009-11-12 | Kansai Paint Co Ltd | 水性塗料組成物 |
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JP2014005399A (ja) * | 2012-06-26 | 2014-01-16 | Kansai Paint Co Ltd | 水性塗料組成物 |
Also Published As
Publication number | Publication date |
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CN101495581A (zh) | 2009-07-29 |
JPWO2008013290A1 (ja) | 2009-12-17 |
US8404354B2 (en) | 2013-03-26 |
US20090191419A1 (en) | 2009-07-30 |
JP5430935B2 (ja) | 2014-03-05 |
CN101495581B (zh) | 2012-08-29 |
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