WO2005030890A1 - 塗料組成物及び塗膜形成方法 - Google Patents
塗料組成物及び塗膜形成方法 Download PDFInfo
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- WO2005030890A1 WO2005030890A1 PCT/JP2004/014782 JP2004014782W WO2005030890A1 WO 2005030890 A1 WO2005030890 A1 WO 2005030890A1 JP 2004014782 W JP2004014782 W JP 2004014782W WO 2005030890 A1 WO2005030890 A1 WO 2005030890A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6283—Polymers of nitrogen containing compounds having carbon-to-carbon double bonds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/4009—Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64
- C08G18/4063—Mixtures of compounds of group C08G18/62 with other macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/791—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups
- C08G18/792—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
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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
- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C09D179/085—Unsaturated polyimide precursors
Definitions
- the present invention relates to a coating composition and a coating film forming method. Background technology
- a method of forming a coating film on a vehicle body such as an automobile or a motorcycle includes a method in which a body to be coated contains a thermosetting functional group-containing resin such as a hydroxyl group-containing acryl resin and a curing agent such as a melamine resin.
- a method is generally used in which a curable coating composition is applied and then cured by heating. According to this method, a coating film having excellent coating performance such as gasoline resistance and adhesion can be formed.
- the above-mentioned conventional coating film forming methods have been demanded to have energy saving and improved productivity. That is, for example, in the heating and curing process of a general automobile body painting line, heating is usually required at about 140 ° C for about 40 minutes, and when the conveyor speed is set to 3 m / min, the line About 120 m is required for the length of the above drying oven. Therefore, space saving and energy saving by shortening the heating time in the heat curing step are demanded. Further, shortening of the heating time, cause and ing C 0 2 of environmental issues, preferable from the viewpoint of reducing the soot and the like.
- Active energy ray-curable paints such as ultraviolet rays are effective for shortening or omitting the heating step.
- JP-A-111-24403 and JP-A-11-244404 disclose an active energy ray-curable composition containing a maleimide derivative which is cured by ultraviolet irradiation. I have.
- the time required for curing the coating film can be shortened and the size of the coating equipment can be reduced, the curing is insufficient and the scratch resistance is low. Resistance, scratch resistance, gasoline resistance, attached It was difficult to obtain a coating film having excellent coating performance such as adhesion.
- Japanese Patent Application Laid-Open Nos. 2001-220365 and 200-320109 disclose monomers having an unsaturated double bond and a maleimide group
- An active energy ray-curable coating composition containing an acryl-based resin obtained by copolymerizing an alkyl ester of acrylic acid and a hydroxyalkyl ester of (meth) acrylic acid, and a coating method thereof are disclosed.
- the time required for curing the coating film can be shortened and the size of the coating equipment can be reduced, the curing is insufficient, and the scratch resistance and scratch resistance are insufficient.
- a coating film that is excellent in coating performance, such as water resistance, gasoline resistance, and adhesion, and that is suitable for an automobile body, etc. has not been obtained. Disclosure of the invention
- An object of the present invention when forming a coating film, by which can shorten the heating time for curing a coated film, space-saving, can contribute to energy saving, also can reduce the C_ ⁇ 2 or the like which causes environmental problems, Moreover, it is an object of the present invention to provide a coating composition having excellent coating properties such as abrasion resistance, scratch resistance, gasoline resistance and adhesion.
- Another object of the present invention is to provide a method for forming a coating film using the coating composition.
- the present inventor has made intensive studies to achieve the above object. As a result, a copolymer of a maleimide group-containing monomer and another monomer or a specific maleimide compound is blended with a composition containing a hydroxyl group-containing resin, a curing agent, and, if necessary, an unsaturated compound. It has been found that the above objects can be achieved with a thermosetting and photocurable coating composition. The present invention has been completed based on such new knowledge. The present invention provides the following coating composition and a coating film forming method using the same.
- thermosetting and photocurable coating composition a thermosetting and photocurable coating composition.
- the hydroxyl group-containing resin (A) is obtained by esterifying the polybasic acid (b) and the polyhydric alcohol (c). In the total amount of the polybasic acid (b) and the polyhydric alcohol (c), 2.
- the maleimide group-containing monomer (a) used in the copolymer (B) is represented by the general formula (1)
- the ratio of the hydroxyl group-containing resin (A), the copolymer (B) and the curing agent (C) is based on the sum of these, and the ratio of the hydroxyl group-containing resin (A) is 20 to 60% by weight.
- (B) is 10 to 45% by weight
- the curing agent (C) is 5 to 50% by weight
- the proportion of the unsaturated compound (D) is the hydroxyl group-containing resin (A), the copolymer Item 1.
- n represents an integer of 1 to 17.
- the number average molecular weight is 2,000 or less.
- thermosetting and photocurable coating composition a thermosetting and photocurable coating composition.
- 7K acid group-containing resin ( ⁇ ) is obtained by esterifying polybasic acid (b) and polyhydric alcohol (c), and the total amount of polybasic acid (b) and polyhydric alcohol (c) is obtained.
- Item 10 The coating composition according to Item 9, which is a hydroxyl group polyester resin containing at least 20% by weight of an alicyclic polybasic acid (bl) and Z or an alicyclic polyhydric alcohol (cl).
- the ratio of the hydroxyl group-containing resin (A) and the curing agent (C) is 60 to 90% by weight based on the sum of these, and the ratio of the curing agent (C) is 10 to 40% by weight. % By weight, and the proportion of the maleimide compound (E) is
- Item 10 The coating composition according to Item 9, wherein the amount of the coating composition is 1 to 50 parts by weight based on 100 parts by weight of the total of (A) and the curing agent (C).
- the above-mentioned item 9 in an amount of 1 to 50 parts by weight, based on 100 parts by weight of the total of the hydroxyl group-containing resin (A) and the hardener (C). 3.
- the above item 9 further comprising (F) 0.1 to 20 parts by weight of a photopolymerization initiator based on 100 parts by weight of the total of the hydroxyl group-containing resin (A) and the curing agent (C). Paint composition.
- the coating composition according to the above item 9 which is a clear coating composition for an automobile body or parts thereof.
- n represents an integer of 17.
- the number average molecular weight is 2,000 or less.
- thermosetting and photocurable coating composition a thermosetting and photocurable coating composition.
- the hydroxyl group-containing resin (A) is obtained by esterifying the polybasic acid (b) and the polyhydric alcohol (c), and the fatty acid is contained in the total amount of the polybasic acid (b) and the polyhydric alcohol (c).
- Item 18 The coating composition according to Item 17, which is a hydroxyl group polyester resin containing at least 20% by weight of the cyclic polybasic acid (b1) and Z or the alicyclic polyhydric alcohol (c1).
- the maleimide group-containing monomer (a) used in the copolymer (B) is represented by the general formula (1)
- Item 18 (Wherein, R represents a hydrogen atom or a methyl group.)
- Item 17 The coating composition according to Item 17, which is a reimide (meth) acrylate.
- the ratio of the hydroxyl group-containing resin (A), the copolymer (B) and the curing agent (C) is based on the sum of these, and the ratio of the hydroxyl group-containing resin (A) is 20 to 60% by weight.
- the copolymer (B) is 10 to 45% by weight
- the curing agent (C) is 5 to 50% by weight
- the ratio of the maleimide compound (E) is 18.
- the coating composition according to item 17, wherein the total amount of the coating composition is from 1 to 50 parts by weight based on 100 parts by weight of the copolymer (B) and the curing agent (C).
- the coating composition according to the above item 17, comprising 1 to 50 parts by weight of the total of 100 parts by weight of the hydroxyl group-containing resin (A), the copolymer (B) and the curing agent (C). object.
- a photopolymerization initiator is used in an amount of 0.1 to 20 parts by weight based on a total of 100 parts by weight of the hydroxyl group-containing resin (A), the copolymer (B) and the curing agent (C).
- Item 18 The coating composition according to Item 17, which contains parts by weight.
- the coating composition according to the above item 17 which is a clear coating composition for an automobile body or parts thereof.
- a method for forming a multi-layer coating film for forming one or two colored base coats and one or two clear coats on an object to be coated, wherein the coating composition forms the top clear coat Is a coating composition according to item 1 above.
- the method for forming a coating film according to the above item 26 which is a method for forming a multilayer coating film for forming a colored base coat and a top clear coat on an object to be coated.
- the coating film forming method according to the above item 26 which is a multi-layer coating film forming method for forming a colored base coat, a clear coat and a top clear coat on an object to be coated.
- 29. The method for forming a coating film according to the above item 26, which is a method for forming a multilayer coating film for forming a first colored base coat, a second colored base coat and a top clear coat on an object to be coated.
- the method for forming a coating film according to the above item 32 which is a method for forming a multilayer coating film for forming a colored base coat and a top clear coat on an object to be coated.
- the method for forming a coating film according to the above item 32 which is a method for forming a multilayer coating film for forming a colored base coat, a clear coat and a top clear coat on an object to be coated.
- the method for forming a coating film according to the above item 32 which is a method for forming a multilayer coating film for forming a first colored base coat, a second colored base coat and a top clear coat on an object to be coated.
- the method for forming a coating film according to the above item 38 which is a method for forming a multilayer coating film for forming a colored base coat and a top clear coat on an object to be coated.
- the method for forming a coating film according to the above item 38 which is a method for forming a multilayer coating film for forming a colored base coat, a clear coat and a top clear coat on an object to be coated.
- first colored base coat, second colored base coat and top coat Item 34 The method for forming a coating film according to Item 38, which is a method for forming a multilayer coating film for forming a lyacoat. 42. The coating film forming method according to the above item 38, wherein the object to be coated is an automobile body or a part thereof.
- thermosetting and photocurable coating composition of the present invention comprises: (A) a composition containing a hydroxyl group-containing resin, a curing agent (C) and, if necessary, an unsaturated compound (D); It is a composition comprising a copolymer (B) of a) and another monomer or a specific maleimide compound (E).
- the coating composition of the present invention comprises a thermosetting and photocurable coating composition (I), a thermosetting and photocurable coating composition (II), and a thermosetting and photocurable coating composition (III) ).
- thermosetting and photocurable coating composition (I) comprises a hydroxyl group-containing resin (A),
- composition comprises at least one unsaturated compound (D) selected from the group consisting of a resin containing a radically unsaturated group and a resin containing a radically polymerizable unsaturated group and a thermosetting functional group.
- the hydroxyl group-containing resin (A) is a resin having two or more hydroxyl groups in one molecule.
- the resin (A) may have a carbonyl group as needed.
- Specific examples of the resin (A) include a hydroxyl group-containing polyester resin and a hydroxyl group-containing acrylic resin.
- the hydroxyl group-containing polyester resin is obtained by subjecting a polybasic acid (b) and a polyhydric alcohol (c) to an esterification reaction by a conventional method.
- a method of the esterification reaction a direct esterification method or a transesterification method can be adopted.
- polybasic acid (b) examples include phthalic anhydride, isophthalic acid, and terephthalic acid.
- Dibasic acids such as tetrahydrophthalic acid, methylhexahydrophthalic acid, tetrahydrophthalic anhydride, hexahydrophthalic anhydride, succinic acid, fumaric acid, adipic acid, sebacic acid, and maleic anhydride: lower dibasic acid
- alkyl ester examples include tribasic or higher polybasic acids such as trimellitic anhydride, methylcyclohexene tricarboxylic acid, and pyromellitic anhydr
- alicyclic polybasic acids (bl) those having one to two alicyclic structures of about 4 to 6-membered rings and two or more carboxylic groups in one molecule can be preferably used.
- Examples of the alicyclic polybasic acid (bl) include, for example, cyclohexane-1,3-dicarboxylic acid, cyclohexane_1,4-dicarboxylic acid, hexahydrofluoric acid, hexahydroisophthalic acid, and Examples include xahydroterephthalic acid, hexahydrotrimellitic acid, tetrahydrophthalic acid, methylhexahydrophthalic acid, and anhydrides thereof.
- cyclohexane-1,4-dicarboxylic acid is particularly preferred.
- polybasic acid (b) one or more selected from the above dibasic acids and lower alkyl esters thereof are mainly used, and if necessary, a tribasic or higher polybasic acid is used in combination.
- a monobasic acid such as benzoic acid, crotonic acid or p-t-butylbenzoic acid can be used in combination with the above polybasic acid for the purpose of adjusting the molecular weight.
- oil fatty acids such as coconut oil fatty acids and dehydrated castor oil fatty acids can also be used.
- polyhydric alcohol (c) a dihydric alcohol having two hydroxyl groups in one molecule and a polyhydric alcohol having three or more hydroxyl groups in one molecule can be used.
- dihydric alcohol examples include ethylene glycol, propylene glycol, diethylene glycol, trimethylene glycol, tetraethylene glycol, triethylene glycol, dipropylene glycol, 1,4-butanediol, 1,3- Butanediol, 2,3-butanediol, 1,2-butanediol 1,3-methylbutanediol, 1,2-pentanediol, 1,5-pentanediol, 1,4-pentanediol, 2,4-pentanediol, 2,3-dimethyltrimethylene Glycol, tetramethylene glycol, 3-methyl-4,5-pentanodiol, 2,2,4-trimethyl_1,3-pentanediol, 1,6-hexanediol, 1,5-hexanediol, 1 Glycols such as 1,4-hexanediol, 2,5-hexanedi
- polyhydric alcohol having three or more hydroxyl groups in one molecule examples include, for example, dariserin, trimethylolpropane, trimethylolethane, diglycerin, triglycerin, 1,2,6-hexanetriol, pentaerythritol, Zipen, erythritol, sorbitol, mannitol and the like.
- an alicyclic polyhydric alcohol having one to two alicyclic structures of about 4 to 6 members and two or more hydroxyl groups in one molecule can be preferably used.
- Examples of the alicyclic polyhydric alcohol (cl) include cyclohexane-1,4-dimethylol, hydrogenated bisphenol 8, spiroglycol, dihydroxymethyltricyclodecane, and the like. Of the alicyclic polyhydric alcohols, cyclohexane-1,4-dimethylol is particularly preferred.
- the polyester resin the alicyclic polybasic acid (bl) and the alicyclic polyhydric acid are used, based on the total solid content of the polybasic acid (b) and the polyhydric alcohol (c) used in producing the resin.
- the weight average molecular weight of the hydroxyl group-containing polyester resin is preferably about 500 to 500,000, more preferably about 1,000 to 100,000, and still more preferably about 2,000 to 50,000. Further, the hydroxyl value of the resin is preferably about 20 to 800 mgKOHZg, more preferably about 80 to 200 mgKOH / g. The acid value of the resin is preferably about 4 to 20 mgKOHZg, more preferably about 4 to 100 mgKOHZg.
- the hydroxyl group-containing acrylic resin is a copolymer resin obtained by a radical polymerization reaction between a hydroxyl group-containing acrylic monomer and another monomer.
- a hydroxyl-containing monomer is a compound having at least one hydroxyl group and at least one polymerizable unsaturated bond in one molecule.
- the monomer include a monoester of a glycol having 2 to 20 carbon atoms such as hydroxyethyl (methyl) acrylate, hydroxypropyl (meth) acrylate, hydroxybutyl (meth) acrylate, and (meth) acrylic acid. Is mentioned.
- monomers other than the hydroxyl group-containing monomer include, for example, alkyl esters of (meth) acrylic acid having 1 to 22 carbon atoms, alkoxyalkyl esters of (meth) acrylic acid having 2 to 18 carbon atoms, and aminoacrylic monomers.
- Monomers, acrylamide-based monomers, epoxy group-containing monomers, carboxyl group-containing monomers, monomers having both an isopropyl group and a polymerizable unsaturated group in one molecule, and the like can be used.
- alkyl ester of (meth) acrylic acid having 1 to 22 carbon atoms examples include, for example, methyl (meth) acrylate, ethyl (meth) acrylate, propyl (methyl) acrylate, butyl (meth) acrylate, hexyl ( Examples include (meth) acrylate, octyl (meth) acrylate, lauryl (meth) acrylate, 2-ethylhexyl (meth) acrylate, cyclohexyl (meth) acrylate, and isopolnyl (meth) acrylate.
- alkoxyalkyl ester of (meth) acrylic acid having 2 to 18 carbon atoms examples include methoxybutyl (meth) acrylate, methoxyethyl (meth) acrylate, and the like.
- aminoacrylic monomers include, for example, N, N-dimethylaminoethyl (Meth) acrylate, N, N-dimethylaminoethyl (meth) acrylate, Nt-butylaminoethyl (meth) acrylate, N, N-dimethylaminobutyl pill (meth) acrylate, and the like.
- acrylamide monomers include acrylamide, methylacrylamide, N-methylacrylamide, N-methylmethacrylamide, N-ethylacrylamide, N-ethylmethacrylamide, N-butylacrylamide, N-butylmethacrylamide, N, N-dimethylacrylamide, N, N-dimethylmethylacrylamide and the like can be mentioned.
- Examples of the epoxy group-containing monomer include glycidyl acrylate and glycidyl methacrylate.
- carboxyl group-containing monomer examples include acrylic acid, methacrylic acid, maleic acid, itaconic acid, fumaric acid, mesaconic acid, and anhydrides and half-esterified products thereof.
- Monomers having both an isocyanate group and a polymerizable unsaturated group in one molecule include, for example, isocyanate ethyl methacrylate, mf soprobenyl-a, a'-dimethylbenzyl isocyanate (commonly referred to as m-TM I) And the like.
- hydroxyl group-containing monomer examples include, for example, styrene, ⁇ -methylstyrene, vinyltoluene, acrylonitrile, vinyl acetate, vinyl chloride, “Vova 9” and “Vova 10” (trade names, In each case, an unsaturated vinyl compound of versatic acid manufactured by Japan Epoxy Resin Co., Ltd.) can be used.
- the number average molecular weight of the above-mentioned hydroxyl group-containing acrylic resin is preferably about 1,000 to 500,000, more preferably about 2,000 to 20,000. Further, the hydroxyl value of the resin is preferably about 20 to 20 Omg KOHZg, more preferably about 50 to 15 Omg KOHZg.
- the copolymer (B) is a maleimide group-containing copolymer obtained by a radical copolymerization reaction between the maleimide group-containing monomer (a) and other monomers.
- the maleimide group-containing monomer (a) is represented by the general formula (3)
- alkyl groups having 4 or less carbon atoms represented by R 2 include, for example, methyl, ethyl, propyl, isopropyl, n-butyl, sec-butyl, tert-butyl groups and the like.
- the hydrocarbon ring of 5- or 6-membered R i and R 2 are bonded to each other to form include a cyclopentyl ring, cyclohexyl ring, and cycloheptane.
- R 3 represents an optionally branched alkylene group or alkenedylene group
- R 4 represents a hydrogen atom or a methyl group
- n represents 1 to 6
- Maleimide (meth) acrylate represented by the following formula is more preferable.
- a lower alkylene group having 2 to 4 carbon atoms such as ethylene, trimethylene or propylene is preferable.
- a lower alkenylene group having 2 to 4 carbon atoms such as vinylene, probelenylene, and vinylidene group is preferable.
- the monomers represented by the general formula (4) the following general formula (1)
- R represents a hydrogen atom or a methyl group.
- Other monomers other than the maleimide group-containing monomer (a) include, for example, alkyl esters of (meth) acrylic acid having 1 to 22 carbon atoms, alkoxyalkyl esters of (meth) acrylic acid having 2 to 18 carbon atoms, An aminoacrylic monomer, an acrylamide monomer, an epoxy group-containing monomer, a carboxyl group-containing monomer, and a monomer having an isocyanate group and a polymerizable unsaturated group in one molecule can be used. Specific examples of these monomers are the same as those exemplified as other monomers in the hydroxyl group-containing acrylic resin.
- maleimide group-containing monomer (a) examples include, for example, hydroxyethyl (meth) acrylate, hydroxypropyl (meth) acrylate, hydroxybutyl (meth) acrylate, and the like. It is also possible to use a hydroxyl group-containing monomer having at least one hydroxyl group and at least one polymerizable unsaturated bond in one molecule, such as a monoester of glycol and (meth) acrylic acid.
- maleimide group-containing monomer (a) examples include, for example, styrene, methylstyrene, vinyltoluene, acrylonitrile, vinyl acetate, vinyl chloride, “Vova 9” and “Vova 10” (trade names, In each case, unsaturated epoxy resin of Versatic acid (manufactured by Japan Epoxy Resin Co., Ltd.) can be used.
- copolymer (B) a copolymer obtained by radical copolymerization of a maleimide group-containing monomer (a) and another monomer, and a copolymer obtained by further introducing an unsaturated group may be used. it can.
- Examples of the method for introducing an unsaturated group include the following methods (1) to (4).
- As each monomer in each method any of those described above can be used.
- Maleimide group-containing monomer (a) is radically copolymerized with another monomer containing an epoxy group-containing monomer to obtain a copolymer, and then the epoxy group of the copolymer is obtained.
- the copolymer (B) can be synthesized by radical copolymerization of the maleimide group-containing monomer (a) with another monomer in the presence of a radical polymerization initiator, and further introducing an unsaturated bond if necessary.
- examples of the polymerization method include bulk polymerization, suspension polymerization or emulsion polymerization in an aqueous medium, and solution polymerization in an organic solvent.
- the mixing ratio of the maleimide group-containing monomer (a) and the other monomer is such that the maleimide group-containing monomer (a) is 1% based on the total solid content of all the monomers.
- Radical polymerization initiators include peroxides such as diisopropylperoxydicarbonate, t-tert-butylvinylpivalate, benzoylperoxide, lauroylperoxide; azobisisobutyronitrile, azobisisovalero nitrile, etc.
- Inorganic peroxides such as ammonium persulfate and persulfate rim can be used. The amount used is preferably about 0.1 to 10% by weight based on the total amount of monomers.
- the copolymer (B) preferably has a number average molecular weight of about 1,000 to 1,000,000.
- the number average molecular weight is more preferably about 3,000 to 30,000.
- the copolymer (B) is emulsified * suspended in an aqueous medium, the number average molecular weight is more preferably about 10,000 to 500,000.
- the curing agent (C) is a compound that undergoes a cross-linking reaction with the hydroxyl group of the hydroxyl group-containing resin (A) and the thermosetting functional group of the compound (D).
- the curing agent (C) for example, a polyisocyanate compound, a melamine resin, a guanamine resin, a urea resin, or the like can be used.
- the polyisocyanate compound alone or to use the polyisocyanate compound and the melamine resin in combination as appropriate. Preferred.
- the polyisocyanate compound / melamine resin can be used in a range of about 10Z90 to 90Z10 in terms of solid content weight ratio, depending on the intended performance.
- the polyisocyanate compound is a compound having two or more free isocyanate groups in one molecule.
- Aliphatic diisocyanates such as hydrogenated xylylene diisocyanate, cyclohexylene diisocyanate, methylene bis (cyclohexyl isocyanate), isophorone diisocyanate; bird Aromatic diisocyanates such as range isocyanate, phenylene diisocyanate, 4,4'-diphenyl mate, xylylene diisocyanate, tetramethyl xylylene ate, naphthalenedi isocyanate; 2-isocyanate Organic polyisocyanates having a valency of 3 or more, such as chill-2,6-diisocyanatocaproate, 3-isocyanatomethyl-1,6-hexamethylene diisocyanate, and 4-isocyanatomesocyanate.
- a dimer or trimer of the above polyisocyanate compound; a polyisocyanate compound and a polyhydric alcohol, a low-molecular-weight polyester resin, water, etc. are subjected to a urethanation reaction under an excess of isocyanate groups.
- Prebolimer or the like can be used.
- those obtained by blocking the isocyanate group of the above polyisocyanate compound with a blocking agent can also be used.
- the blocking agent include phenols, oximes, lactams, alcohols, mercaptans, and active methylene compounds such as getyl malonate.
- a block polyisocyanate compound it is preferable to use a dissociation catalyst for the blocking agent in combination.
- An unblocked polyisocyanate compound and a blocked polyisocyanate compound can be used in combination.
- the melamine resin for example, a melamine resin obtained by etherifying a methylol group of a methylolated melamine with a monohydric alcohol having 1 to 8 carbon atoms can be preferably used.
- the esterified melamine resin may be one in which all of the methylol groups of the methylolated melamine are etherified, or one in which the methylolated melamine is partially etherified and the methylol group dimino group remains.
- the melamine resin preferably has about 1 to 5 nuclei of triazine and a number average molecular weight of about 300 to 2,000.
- etherified melamine resin examples include, for example, alkyl etherified melamines such as methyl etherified melamine, ethyl etherified melamine, and butyl etherified melamine.
- etherified melamine resin only one kind may be used, or two or more kinds may be used in combination. Is also good.
- the compound (D) one or more kinds selected from the group consisting of radical polymerizable unsaturated monomers, radical polymerizable unsaturated group-containing resins, and radical polymerizable unsaturated group-containing and thermosetting functional group-containing resins Is used.
- the radically polymerizable unsaturated monomer is a monomer having one or more radically polymerizable unsaturated groups in one molecule.
- the monomers include a monofunctional polymerizable monomer having one radical polymerizable unsaturated group, a bifunctional polymerizable monomer having two radical polymerizable unsaturated groups, and a monomer having three or more radical polymerizable unsaturated groups. Tri- or higher functional polymerizable monomers can be used. Specific examples of these monomers include the following.
- Monofunctional polymerizable monomers include, for example, styrene, methyl (meth) acrylate, ethyl (meth) acrylate, butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, lauryl (meth) acrylate, cyclo Hexyl (meth) acrylate, cyclohexenyl (meth) acrylate, 2-hydroxy (meth) acrylate, hydroxypropyl (meth) acrylate, tetrahydrofurfuryl (meth) acrylate, ⁇ -force prolactone modified tetrahydrid Furfuryl (meth) acrylate, phenoxyshetyl (meth) acrylate, phenoxypolyethylene glycol (meth) acrylate, dicyclopentenyl (meth) acrylate, dicyclopentenyloxyxetyl (meta) acrylate, Isopolny (
- bifunctional polymerizable monomers for example, ethylene glycol di (meth) acrylate, diethylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate, propylene glycol di (meth) acrylate, dipropylene glycol di (meth) acrylate (Meth) acrylate, polypropylene glycol (meth) acrylate, neopentyl diol (meth) acrylate, 1,4-butanediol di (meth) acrylate, 1,6-hexanediol (meth) acrylate Bisphenol A ethylene oxide-modified di (meth) acrylate, bisphenol A propylene oxide-modified di (meth) acrylate, 2-hydroxy-1-acryloxy_3-methylhexyloxypropane, tricyclodecane Dimethanol di (meth) Akurireto, di (meth) ⁇ methacryloyl Ruo key shell chill acid phosphate, and
- trifunctional or higher polymerizable monomers examples include trimethylolpropane tri (meth) acrylate, trimethylolpropane ethylene oxide modified tri (meth) acrylate, trimethyl monopropane propylene oxide modified tri (meth) acrylate, glycerin tri (meth) ) Acrylate, glycerine ethylene oxide-modified tri (meth) acrylate, glycerin propylene oxide-modified tri (meth) acrylate, Penyu erythritol mono (meth) acrylate, Penyu erythritol tetra (meth) acrylate, isocyanuric acid Lenoxide-modified triacrylate, dipentyl erythritol hexa (meth) acrylate, and the like.
- radical polymerizable unsaturated monomer a bifunctional or higher functional polymerizable monomer is preferably used from the viewpoint of improving the curability of the coating composition and the abrasion resistance of the cured coating film.
- the radical polymerizable unsaturated group-containing resin for example, an unsaturated acrylic resin, an unsaturated urethane resin, an unsaturated epoxy resin, a polyester (meth) acrylate, an unsaturated silicone resin and the like can be used.
- the radical polymerizable unsaturated group- and thermosetting functional group-containing resin is a resin having one or more radical polymerizable unsaturated groups and one or more thermosetting functional groups in one molecule.
- the coating composition preferably has a plurality of the unsaturated groups and the functional groups.
- the thermosetting functional group include functional groups such as a hydroxyl group, an acid group, an epoxy group, and an isocyanate group.
- the acid group include a sulfoxyl group and a phosphoric acid group.
- radical polymerizable unsaturated group-containing and thermosetting functional group-containing resin include, for example, a radical polymerizable unsaturated group-containing and hydroxyl group-containing acrylic resin, a radical polymerizable unsaturated group-containing and an acryloxy resin containing a propyloxyl group, Radical polymerizable unsaturated group- and epoxy group-containing acryl resin, radical polymerizable unsaturated group- and isocyanate group-containing acryl resin, radical polymerizable unsaturated group- and hydroxyl group-containing polyester resin, radical polymerizable unsaturated group- Group-containing polyester resins, cresol nopolak type epoxy resins containing radically polymerizable unsaturated groups and epoxy groups, and the like.
- thermosetting and photocurable coating composition (I) of the present invention the content ratio of the hydroxyl group-containing resin (A), the copolymer (B) and the curing agent (C) is selected from a wide range. be able to. Usually, hydroxyl group-containing resin (A), copolymer (B) and curing agent
- the resin (A) is about 20 to 60% by weight
- the copolymer (B) is about 10 to 45% by weight
- the curing agent (C) is a solid content weight ratio. Is preferably in the range of about 5 to 50% by weight, from the viewpoint of excellent curability of the composition and excellent scratch resistance of the resulting coating film.
- Resin (A) is in the range of about 30 to 55% by weight
- copolymer (B) is in the range of about 20 to 40% by weight
- curing agent (C) is in the range of about 10 to 40% by weight. , More preferred.
- the compounding ratio of the unsaturated compound (D) is 1 to 50 parts by weight based on 100 parts by weight of the total solid content of the hydroxyl group-containing resin (A), the copolymer (B) and the curing agent (C).
- the range is preferably about 1 to 30 parts by weight, more preferably about 1 to 30 parts by weight. If the amount exceeds 50 parts by weight, not only is the adhesion of the coating film poor, but also the stability of the coating is impaired.
- thermosetting and photocurable coating composition ( ⁇ ) is a hydroxyl group-containing resin (A), a curing agent (C) A coating composition containing a maleimide compound (E).
- hydroxyl group-containing resin (A) and the curing agent (C) those used for the coating composition (I) can be used in the same manner.
- the maleimide compound (E) has the general formula (2)
- the maleimide compound (E) should have a number average molecular weight of 2,000 or less from the viewpoint of excellent curability of the composition, hardness of the obtained coating film and the like.
- the number average molecular weight is preferably about 500 to 1,800.
- the composition (II) can obtain a cured coating film by irradiating ultraviolet rays without adding a photopolymerization initiator or with a small amount.
- the scratch resistance Includes car wash scratch resistance), scratch resistance, gasoline resistance, adhesion, etc., and does not impair the transparency of the coating film.
- maleimide compound (E) examples include, for example, “LUMICUREMIA200” (trade name, manufactured by Dainippon Ink and Chemicals, Inc., ultraviolet curable oligomer).
- the content ratio of the hydroxyl group-containing resin (A) and the curing agent (C) can be selected from a wide range. Usually, based on the total of the hydroxyl group-containing resin (A) and the curing agent (C), the hydroxyl group-containing resin (A) is about 60 to 90% by weight, and the curing agent (C) is about 10% by weight based on the solid content. ⁇ 4 0 The range of about weight% is preferred from the viewpoints of excellent curability of the composition and excellent scratch resistance of the obtained coating film. More preferably, the content of the hydroxyl group-containing resin (A) is about 70 to 85% by weight, and the content of the hardener (C) is about 15 to 30% by weight.
- the mixing ratio of the maleimide compound (E) is preferably in the range of about 1 to 50 parts by weight, based on the total of 100 parts by weight of the solid content of the hydroxyl group-containing resin (A) and the curing agent (C). A range of about 5 to 30 parts by weight is more preferable. If the amount is more than 50 parts by weight, it is not preferable that improvement in scratch resistance, scratch resistance, gasoline resistance, adhesion and the like of the coating film cannot be expected, or the stability of the coating composition is impaired.
- Thermosetting and photocurable coating composition ( ⁇ ⁇ )
- thermosetting and photocurable coating composition (III) is a coating composition containing a hydroxyl group-containing resin (A), a copolymer (B), a curing agent (C), and a maleimide compound (E). With respect to each component, those used for the coating compositions (I) and (II) can be used in the same manner.
- the coating line can be used with a limited amount of light irradiation and heating time for abrasion resistance, scratch resistance, gasoline resistance, A cured coating film having improved adhesion and the like can be obtained.
- the content ratio of the hydroxyl group-containing resin (A), copolymer (B) and curing agent (C) is selected from a wide range. Can be. Usually, based on the total of the hydroxyl group-containing resin (A), the copolymer (B) and the curing agent (C), the hydroxyl group-containing resin (A) is about 20 to 60% by weight in terms of solid content weight ratio. It is preferable that the content of the polymer (B) is in the range of about 10 to 45% by weight and the content of the curing agent (C) is in the range of about 5 to 50% by weight, since the stability and the like of the composition are excellent.
- the hydroxyl group-containing resin (A) is in the range of about 30 to 55% by weight
- the copolymer (B) is in the range of about 20 to 40% by weight
- the curing agent (C) is in the range of about 10 to 40% by weight. There is better.
- the mixing ratio of the maleimide compound (E) is 1 to 50 parts by weight based on 100 parts by weight of the total solid content of the hydroxyl group-containing resin (A), the copolymer (B) and the curing agent (C).
- the range is preferably about 10 to 30 parts by weight. If the amount exceeds 50 parts by weight, no improvement in scratch resistance, scratch resistance, gasoline resistance, adhesion, etc. of the coating film can be expected. In addition, it is not preferable because the stability of the coating composition is impaired.
- thermosetting and photocurable coating composition ( ⁇ ) or ( ⁇ ) further comprises a radical polymerizable unsaturated monomer, a radical polymerizable unsaturated group-containing resin, a radical polymerizable unsaturated group, At least one unsaturated compound (D) selected from the group consisting of curable functional group-containing resins can be blended.
- the compounding ratio when compounding (D) is compounded is as follows: the hydroxyl group-containing resin (A) and the curing agent (C) or the hydroxyl group.
- the total amount of the solid content of the resin (A), the copolymer (B) and the curing agent (C) is preferably 100 to 50 parts by weight, and more preferably 1 to 50 parts by weight. The range is more preferred. If the amount is more than 50 parts by weight, not only the adhesion becomes poor, but also the stability of the coating composition is impaired, which is not preferable.
- thermosetting and photocurable coating compositions (I) to (III) of the present invention may optionally contain a photopolymerization initiator (F).
- the amount added is based on 100 parts by weight of the solid content of the hydroxyl group-containing resin (A) and the curing agent (C), or the hydroxyl group-containing resin (A), the copolymer (B) and the curing agent (C).
- the amount of the photopolymerization initiator is preferably about 0.1 to 20 parts by weight from the viewpoint of excellent curability and finish.
- the addition amount is more preferably about 0.2 to 10 parts by weight, and even more preferably about 0.3 to 5 parts by weight.
- photopolymerization initiators examples include benzoin, benzoin methyl ether, benzoine ethyl ether, benzoin isobutyl ether, ethoxyacetophenone, 2-hydroxy-1-methyl-11-phenylpropane-11-one Benzyldimethyl ketone, 1-hydroxycyclohexyl-phenylketone, 2-methyl-2-morpholino (4-thiomethylphenyl) propane-one, 2-benzyl-2-dimethylamino-1- (4-morpholinophenyl)
- 4,6_trimethylbenzoyl) -phenylphosphine oxide 2,4, enone, 0-methyl methyl benzoylbenzoate, hydroxybenzophenone, 2-iso Propylthioxanthone, 2,4-dimethylthioxanthone, 2,4-getyl thioxanthone, 2,4-dichloromouth thioxanthone, 2,4,6-tris (trichloromethyl) -1-s-triazine, 2-methyl-4,6- Bis (trichloro mouth)-s-triazine, 2- (4-methoxyphenyl) -14,6-bis (trichloromethyl) s-triazine and the like.
- photopolymerization initiators can be used alone or in combination of two or more.
- a photosensitizer may be used in combination with the photopolymerization initiator to promote a photopolymerization reaction.
- photosensitizers that can be used in combination include, for example, triethylamine, triethanolamine, methyljetanolamine, methyl 4-dimethylaminobenzoate, ethyl 4-dimethylaminobenzoate, isoamyl 4-dimethylaminobenzoate, and ethyl 2-dimethylaminobenzoate.
- Tertiary amine sensitizers such as Michler's ketone, 4,4'-ethylpyraminobenzophenone; alkylphosphine sensitizers such as triphenylphosphine; and thioether sensitizers such as ⁇ -thiodidalicol.
- thermosetting and photocurable coating composition of the present invention can contain a light stabilizer from the viewpoint of improving the weather resistance of the coating film.
- the light stabilizer include a hinderdamine-based light stabilizer that acts as a radical chain inhibitor that captures active radical species generated during the deterioration of the coating film.
- the light stabilizer can be used in combination with an ultraviolet absorber described later.
- hindered piperidines are preferred because they exhibit an excellent light stabilizing action.
- hindered piperidines include bis (1,2,2,6,6-pentamethyl-4-piperidyl) sebacate, bis (2,2,6,6-tetramethyl-4-piperidinyl) sebacate, bis ( —Methyl-2,2,6,6-tetramethyl-4-piperidinyl) sebacate, 4-benzoyloxy _2,2 ′, 6,6 ′ —tetramethylpiperidine, bis (1,2,2,6,6) —Pentamethyl—4—piperidyl) ⁇ [3,5-bis (1,1-dimethylethyl) -1-hydroxyphenyl] methyl ⁇ Butylmalonate and other monomer types; poly ⁇ [6— (1,1,3,3-tetramethylbutyl) imino 1,3,5-triazine-2,4 diyl] [(2,2,6,6-tetramethyl-4-piperidyl) imino] hexamethylene [(2 , 2,6,6-tetramethyl-1-piperid
- thermosetting and photocurable coating composition of the present invention when a light stabilizer is used, the content in the composition is usually about 0.1 to 10% by weight based on the solid content of the coating. is there.
- the coating composition of the present invention can contain an ultraviolet absorber from the viewpoint of improving the weather resistance of the coating film.
- Ultraviolet absorbers have an effect of suppressing deterioration of a coating film due to light by absorbing incident light and converting light energy into a harmless form such as heat.
- An ultraviolet absorber can be used in combination with the light stabilizer.
- UV absorbers can be used.
- a benzotriazole-based absorbent a triazine-based absorbent, a salicylic acid derivative-based absorbent, a benzophenone-based absorbent, and the like can be used.
- benzotriazole-based absorbent examples include 2- (2'-hydroxy-5,1-methylphenyl) benzotriazole, 2- (2, -hydroxy-5'-t-butylphenyl) benzotriazole, 2- (2 , —Hydroxy-3,, 5, -di-tert-butylphenyl) benzotriazole, 2- (2′-hydroxy-3′—t-butyl-5,1-methylphenyl) -15-clobenzobenzotriazole, 2- (2′-hydroxy — 3 ', 5, -z-tert-butylphenyl) -5-chlorobenzototriazole, 2- (2, -hydroxy-3,, 5'-z-t-amylphenyl) benzotriazole, 2- (2, -hydroxy-4, octoxyphen) Benzotriazole, 2- ⁇ 2'-hydroxy-3,1 (3 ", 4", 5 ", 6" -tetrahydrofurimidomethyl)-5 '
- triazine-based absorbents include 2,4-bis (2,4-dimethylphene). Nil) 1-6— (2-hydroxy-14-isooctyloxyphenyl) 1,1,3,5-triazine, 2- [4 ((2-hydroxy_3-dodecyloxypropyl) one year old [Xy] 1-2-hydroxyphenyl) 1,4,6-bis (2,4-dimethylphenyl) — 1,3,5-triazine, 2- [4— ((2-hydroxy-13-tridecyloxy) Propyl) —oxy) 1-2-hydroxyphenyl) 1,4,6-bis (2,4-dimethylphenyl) — 1,3,5-triazine, 2- (2,4-dihydroxyphenyl) 1-4 , 6-bis (2,4-dimethylphenyl) -1,3,5-triazine and the like.
- salicylic acid derivative-based absorbent examples include phenyl salicylate, p-octyl phenyl salicylate, 4-tert-butyl phenyl salicylate, and the like.
- benzophenone-based absorbent examples include 4-dihydroxybenzophenone, 2-hydroxy-14-methoxybenzophenone, 2,2′-dihydroxy-14-methoxybenzophenone, and 2-hydroxy-4-methoxy-2 ′.
- the coating composition of the present invention when the coating composition of the present invention is a clear coating composition, it may contain a coloring pigment and / or a brilliant pigment as long as the transparency of the coating film is not lost.
- a coloring pigment is used so that a desired color tone is obtained.
- Z or a glitter pigment is used.
- the composition of the present invention may contain other pigments such as extender pigments, if necessary.
- coloring pigment examples include inorganic pigments such as titanium dioxide and iron oxide; and organic pigments such as phthalocyanine blue, quinacridone red, perylene red, and phthalocyanine green.
- examples of the glitter pigment include aluminum flake and mica flake.
- examples of the extender include barium sulfate, calcium carbonate, talc, clay, and the like.
- known additives such as a surface conditioner, an anti-sagging agent, an anti-settling agent, and a plasticizer can be added to the coating composition of the present invention, if necessary.
- the coating composition of the present invention is preferably used as a clear coating composition for top clear coating of automobile bodies or parts thereof due to its excellent coating film surface properties.
- thermosetting and photocurable coating composition of the present invention can be prepared by mixing the above-described components according to a known method.
- the resins are in the form of an organic solvent solution, emulsion or the like, they may be mixed as they are.
- pigments When pigments are used, they may be mixed with a dispersing resin and used as a paste. Further, at the time of mixing each component, an organic solvent, water or a mixture thereof may be added as necessary.
- organic solvent used in the coating composition of the present invention examples include aromatic solvents such as toluene and xylene; ethyl acetate, propyl acetate, butyl acetate, methoxybutyl acetate, amyl acetate, methylcellose acetate, cellosolve acetate.
- Ester solvents such as ethylene glycol, ethylene glycol dibutyl ether, ethylene glycol dibutyl ether, etc .; ether solvents such as dioxane, ethylene glycol dimethyl ether and ethylene glycol dibutyl ether; acetone, methyl ethyl ketone, methyl isobutyl ketone, etc. And the like. These can be used alone or in combination of two or more.
- the obtained coating composition of the present invention may be an organic solvent type coating composition or an aqueous coating composition.
- the solid content of the coating composition is usually preferably about 20 to 80% by weight.
- thermosetting and photocurable coating composition of the present invention can be suitably used in various coating film forming methods described below.
- Examples of the object to be coated include a vehicle body such as an automobile and a motorcycle, and parts thereof.
- the object to be coated may be one obtained by subjecting the metal surface of the above-described vehicle body, component, or metal base material to a chemical conversion treatment such as a phosphate treatment or a chromate treatment. Further, the object to be coated may be one in which an undercoating film such as various electrodeposition paints and a Z or intermediate coating film such as various electrodeposition paints are formed on the vehicle body, the metal base material, or the like.
- the coating method of the coating composition of the present invention is not particularly limited.
- a wet coating film can be formed by a coating method such as air spray coating, airless spray coating, rotary atomization coating, and curtain coating.
- air spray coating, air spray coating, and rotary atomization coating static electricity may be applied as necessary.
- air spray coating, rotary atomization coating and the like are preferable.
- the coating amount of the coating composition is usually about 10 to 70 as a cured film thickness.
- the viscosity of the coating composition is adjusted to a viscosity range suitable for the coating, usually at 20 ° C using a Ford Cup No. 4 viscometer. It is preferable to dilute and adjust with an organic solvent and Z or water so as to have a viscosity range of about 15 to 60 seconds.
- Curing of the paint film is carried out by applying a coating composition to an object to be coated and then irradiating after heating or irradiating with light.
- Heating can be performed by a known heating means.
- a drying oven such as a hot blast oven, an electric oven, or an infrared heating oven can be applied.
- the heating temperature is usually in the range of about 50 to 200 ° C, preferably in the range of about 70 to 160 ° C. It is appropriate that it is an enclosure.
- the heating time is usually in the range of about 5 to 30 minutes.
- the light irradiation is usually suitably performed with ultraviolet light having a wavelength in the range of about 200 to 450 nm.
- a light source having a wavelength with high sensitivity for the type of the photopolymerization initiator used can be appropriately selected and used.
- the ultraviolet light source include a high-pressure mercury lamp, an ultra-high-pressure mercury lamp, a xenon lamp, a carbon arc, a metal halide lamp, and sunlight.
- UV irradiation conditions to the coating film is usually the amount of irradiation 1 0 0 ⁇ 5, 0 0 O m J / cm 2 about a is preferably.
- the irradiation time is usually about 3 seconds to 3 minutes.
- the wet coating film can be sufficiently cured by “irradiating with light after heating” or “irradiating with light—heating”.
- the coating film in a car body painting line, in a heating and curing process combined with a light curing process, for example, the coating film can be cured to a necessary degree by heating at about 140 ° C. for about 20 minutes, If the conveyor speed is 3 m / min, the length of the drying oven on the line can be reduced to about 6 Om, which is about half of the conventional length, and space and energy savings can be achieved.
- the coating composition of the present invention it is possible to form a coating film having excellent coating performance such as abrasion resistance, scratch resistance, gasoline resistance, and adhesion.
- the composition in the method for forming a coating film, it is preferable to use the composition as a clear coating composition for forming a top clear coat. In particular, it is more preferable to use it as a clear coating composition for an automobile body or its parts.
- the coating film forming method of the present invention is a coating film forming method in which one or two colored base coats and one or two clear coats are sequentially formed on an object to be coated.
- the present invention is characterized in that the coating composition (I), (II) or (III) of the present invention is used as a coating composition for forming a clear coat.
- the coating film forming method described above includes, for example, a multilayer coating film forming method of the following methods a to c, wherein the coating composition of the present invention is used for forming a top clear coat.
- Method a A two-coat method of forming a multilayer coating film in which a colored base coat and a top clear coat are sequentially formed on a substrate.
- Method b A three-coat multi-layer coating film forming method in which a colored base coat, clear coat and top clear coat are sequentially formed on an object to be coated.
- Method c A three-coat method of forming a multilayer coating film in which a first colored base coat, a second colored base coat, and a top clear coat are sequentially formed on a substrate.
- the coating composition of the present invention can also be used for forming a single-layer coating film.
- the coating composition in this case may be a clear coating composition or a colored coating composition.
- the following method d is also described.
- Method d A method of forming a one-coat multi-layer coating film by applying one layer of the coating composition of the present invention to an object to be coated and curing.
- the coating composition forming the colored base coat a known coloring coating composition and a glittering coating composition can be used.
- the colored base coating composition is an organic solvent-based or water-based coating composition containing a base resin, a cross-linking agent, a color pigment and Z or a bright pigment.
- the base resin for example, at least one of acrylic resin, vinyl resin, polyester resin, alkyd resin, urethane resin and the like can be used.
- the base resin has, for example, a crosslinkable functional group such as a hydroxyl group, an epoxy group, a hydroxyl group, and an alkoxysilyl group.
- the cross-linking agent for example, at least one kind of an alkyl etherified melamine resin, a urea resin, a guanamine resin, a polyisocyanate compound, a blocked polyisocyanate compound, an epoxy compound, and a compound having a hydroxyl group is used. be able to.
- the base resin and the cross-linking agent are contained in a proportion of 50 to 90% by weight of the base resin and 50 to 10% by weight of the cross-linking agent, based on the total amount of both components. It is preferred to use.
- coloring pigment and the glittering pigment those mentioned as the pigments that can be used in the coating composition of the present invention can be used.
- a coating method such as airless spraying, air spraying, and rotary atomizing coating can be used as a method for applying the colored base coating composition and the clear coating composition.
- static electricity may be applied.
- an object to be coated is coated with the above-mentioned colored base coating composition so as to have a cured film thickness of about 10 to 50 m.
- the coated base coating composition is cured by heating at about 100 to 180 ° C, preferably about 120 to 160 ° C, for about 10 to 40 minutes. Leave at room temperature for several minutes without post-curing or preheat at about 40-100 ° C for about 1-20 minutes.
- the clear paint composition of the present invention is applied so that the film thickness becomes about 10 to 70 m in cured film thickness, and is irradiated with light after heating, or By heating after light irradiation, a cured multilayer coating film can be formed.
- the heating is preferably carried out at about 100 to 180 ° C., preferably about 120 to 160 ° C., for about 5 to 30 minutes for crosslinking and curing.
- the light irradiation may be performed using the same wavelength, light source, irradiation amount, and irradiation time as described above.
- the case where the clear coating composition is applied and both the coating films are cured simultaneously without applying the base coating composition and curing by heating may be referred to as a two-coat one-bake method.
- the case where the base coating composition is applied and cured by heating, then the clear coating composition is applied, and the clear coating film is cured may be referred to as a two-coat two-bake method.
- the first clear coating composition forming the clear coat may be a transparent coating film forming coating, for example, by removing most or all of the pigment from the known colored base coating composition.
- a coating composition can be used.
- the coating composition of the present invention is used as the second clear coating composition for forming the top clear coat.
- a clear coat and a top clear coat formed from the clear coating composition of the present invention may be formed using the clear coating composition of the present invention.
- the colored base coating composition is applied to an object to be coated and cured by heating, or left or left at room temperature for several minutes without curing, and then colored.
- the first clear coating composition is applied so as to have a cured film thickness of about 10 to 50 m, and is preferably about 100 to 180 ° C, preferably about 100 to 180 ° C. Heat at about 120 to 160 ° C for about 10 to 40 minutes to cure, or leave or preheat at room temperature for several minutes without curing.
- the coating composition of the present invention is applied so that the film thickness becomes about 10 to 50 zm in cured film thickness, and is irradiated with light after heating or after light irradiation.
- a cured multilayer coating film can be formed.
- the heating conditions and light irradiation conditions are the same as those in the method a.
- the first clear coating composition is applied without coating and heating and curing the base coating composition
- the second clear coating composition is applied without curing the same.
- the case of curing is sometimes called a three-coat one-bake method.
- the first clear coating composition is applied without coating and heating and curing the base coating composition, and these coatings are simultaneously heated and cured, and the second clear coating composition is applied and cured. Is sometimes referred to as a 3-coat 2-bake system.
- the base coating composition is applied and cured by heating, the first clear coating composition is applied, hardened, and the second clear coating composition is applied. It is sometimes called a method.
- the first colored base coating composition the same as the colored base coating composition described in the section of the method a can be used. Since the second colored base coating composition is to be applied to the painted surface of the first colored base paint, the color tone of the first colored paint painted surface is usually passed through the second colored base paint coating film. A colored transparent paint having a small concealing property such that it can be visually recognized is used.
- the second colored base coating composition the kind of pigment in the first colored coating composition, so that the coating film concealing property is smaller than the coating film concealing property of the first colored base coating composition. It is preferable to use a coating composition whose amount is adjusted.
- the coating composition of the present invention is used as a clear coating composition for forming a top clear coat.
- the first colored base coating composition is applied to the object to be coated and cured by heating, or left uncured for several minutes at room temperature or preheated.
- the second colored base coating composition On the colored base coating film, apply the second colored base coating composition so that the film thickness is about 10 to 50 m in the cured film thickness, and about 10.0 to 180 ° C, Preferably, it is cured at about 120 to 160 for about 10 to 40 minutes, or left at room temperature for several minutes or preheated without curing.
- the coating composition of the present invention is applied so that the film thickness becomes about 10 to 50 m in terms of film thickness, and then irradiated with light after heating.
- a cured multilayer coating film can be formed.
- the heating conditions and light irradiation conditions are the same as those in the method a.
- the first base coating composition is applied, and the second base coating composition is applied without being cured by heating, and the clear coating composition is applied without being cured.
- the case of curing is sometimes referred to as a three-coat one-bake system.
- the first base coating composition is applied and cured by heating, the second base coating composition is applied, and the clear coating composition is applied without curing, and these coating films are simultaneously cured.
- the case is sometimes called a 3-coat 2-bake system.
- the first base paint composition is applied and cured by heating, the second base paint composition is applied, cured, the clear paint composition is applied, and the case of curing is applied in three coats and three bases. There is a one-step method.
- the coating composition is coated on the object to be coated so that the film thickness becomes about 10 to 50 m in a cured film thickness, and after heating, light irradiation is performed.
- the heating conditions and light irradiation conditions are the same as those in the method a.
- thermosetting and photocurable coating composition of the present invention By using the thermosetting and photocurable coating composition of the present invention, the time required for curing the coating film can be reduced as compared with the conventional thermosetting coating composition, and the coating equipment can be used. Can be reduced, and energy and space can be saved. Further, by shortening the heating curing time, co 2, it is also possible to reduce the soot and the like.
- the coating film after application of the coating composition of the present invention can be completely cured by heating and then irradiating with light or heating after irradiating with light. Therefore, when the coating film forming method of the present invention is used, a coating film having excellent abrasion resistance, scratch resistance, gasoline resistance, adhesion, and the like can be obtained as compared with a coating film hardened only by light irradiation. can get.
- the formed coating film has abrasion resistance (including car wash resistance), Bow I The scratch resistance has been significantly improved.
- the following “monomer mixture 1” was placed in a four-necked flask equipped with a heating device, a stirrer, a thermometer, a reflux condenser, and a rectification column, and heated to 160 ° C. Next, the content was heated from 160 ° C to 230 ° C over 3 hours, then kept at 230 ° C for 1 hour, and the generated condensed water was collected using a rectification column. Distilled off. The rectification column was replaced with a water separator, 5 parts of xylene was added to the content, and the xylene and the remaining condensed water were refluxed, and further water was removed by azeotropy with xylene.
- the same operation as in Production Example 1 was carried out except that the monomers were mixed as shown in Table 1, to obtain a polyester resin (A-2) and a polyester resin (A-3) having a solid content of 70%.
- the polyester resin (A_2) had a weight average molecular weight of 32,000 and a hydroxyl value of 15 OmgKOHZg.
- the polyester resin (A-3) had a weight average molecular weight of 30,000 and a hydroxyl value of 172 mgKOH / g.
- Table 1 shows the monomer compositions of the polyester resins (A-1) to (A-3) and the content of alicyclic polybasic acids and / or alicyclic polyhydric alcohols in the monomers.
- a reaction vessel equipped with a thermometer, a thermostat, a stirrer, a reflux condenser, and a dropping device Charge 480 parts of butyl acetate, and heat to 130 ° C while blowing in nitrogen gas. Thereafter, while maintaining the temperature, a mixed solution of the following monomer and polymerization initiator was dropped from the dropping device over 3 hours.
- the mixture was aged at 130 ° C. for 1 hour to obtain a solution of a hydroxyl group-containing acryl resin having a resin solid content of 70%.
- This resin had a number average molecular weight of about 8,000 as measured by GPC (gel filtration chromatography) and a hydroxyl value of 107 mgK ⁇ HZg.
- a reactor equipped with a thermometer, a thermostat, a stirrer, a reflux condenser, and a dropping device was charged with 1,000 parts of butyl acetate, heated to 120 ° C while blowing nitrogen gas, and then maintaining the temperature.
- a mixed solution of the following monomer and polymerization initiator was dropped from the dropping device over 3 hours.
- This copolymer has a number average molecular weight of about 9,000 as measured by GPC (gel filtration chromatography) and a hydroxyl value of 107 mg KO. HZ g.
- Curing agent I Trade name “Sumidur N-3300”, manufactured by Sumika Bayer Perethane Co., Ltd., isocyanurate-modified hexamethylene diisocyanate, solid content 100%.
- Maleimide compound trade name “LUMI CURE MIA200”, a maleimide group-containing UV-curable oligomer manufactured by Dainippon Ink and Chemicals, Inc.
- Photopolymerization initiator I 1-hydroxy-cyclohexyl-phenyl ketone, trade name “IRGACURE 184”, manufactured by Ciba Specialty Chemicals Co., Ltd.
- Photopolymerization initiator II Bis (2,4,6-trimethylbenzoyl) monophenyl phosphoxide manufactured by Ciba Specialty Chemicals Co., Ltd., trade name “IRGACURE 819”.
- Ultraviolet absorber Trade name “Tinuvin 400”, a triazine-based ultraviolet absorber manufactured by Ciba Specialty Chemicals Co., Ltd.
- Light stabilizer trade name “Sanol LS 292”, manufactured by Sankyo Co., Ltd., bis (1,2,2,6,6-pentymethyl-4-piperidyl) separate.
- a clear paint for automobile No. 8 No. 11 for comparison was obtained in the same manner as in Example 1 except that the component compositions shown in Table 3 were used.
- UV absorber (Note 5) 1 1 1 1 1
- Curing agent III Trade name “Cymel 325”, manufactured by Mitsui Cytec Co., Ltd., methylated imino-type melamine resin.
- a zinc electrodeposited zinc plating steel sheet (25 cm x 25 cm x 0.8 mm) is coated with a cationic electrodeposition paint (trade name: Electron GT-10LF, manufactured by Kansai Paint Co., Ltd.) with a film thickness of about 20. m, and cured by heating at 170 ° C for 20 minutes.
- a mid-coat paint for automobiles (trade name “Amirac TP-65-2”, manufactured by Kansai Paint Co., Ltd.) is applied by air spray so that the cured film thickness becomes about 35. It was cured by heating for 1 minute to prepare a coated plate.
- a water-based colored base paint (trade name “WBC-710T (black)”, manufactured by Kansai Paint Co., Ltd., acrylic) is cured on the coated plate obtained in Production Example 6 if a fat / melamine resin thermosetting paint).
- the film was air-sprayed to a thickness of about 15 m, and dried at 80 ° C for 10 minutes to evaporate the moisture in the coating.
- the uncured coated surface is coated with a clear paint (trade name “Magiclon TC-69”, a thermosetting acrylic resin / melamine resin paint manufactured by Kansai Paint Co., Ltd.) to a cured film thickness of about 35 m.
- the base coating and clear coating were simultaneously cured by air spray coating and heating at 140 ° C for 30 minutes.
- Example 2 Apply the automotive clear paint No. 1 obtained in Example 1 on the clear cured coating
- the coating was applied to a cured film thickness of about 40 m by play, followed by drying at 90 ° C for 3 minutes as a preheating step to evaporate the solvent. .
- the ultraviolet wavelength around 365 eta m so that the amount of irradiation is 1, 00 OmJZcm 2, after photocuring by irradiation for about 10 seconds, at 140 ° C 5
- the coating was cured by heating for minutes.
- a multilayer coating film was formed by a three-coat two-bake method.
- Example 8 Same as Example 8 except that the automotive clear paint No. 1 was changed to the automotive clear paint No. 2 obtained in Example 2, and heating after vigorous light curing was performed at 140 ° C for 10 minutes. Then, a multi-layer coating film was formed by a three-coat two-bake method.
- Example 9 In the same manner as in Example 9 except that the automotive clear paint No. 2 was changed to the automotive clear paint No. 3 obtained in Example 3, the multi-layer coating film was formed by a three-coat two-bake method. Formed.
- a multi-layer coating film was formed in the same manner as in Example 8, except that the automotive clear paint No. 1 was changed to the automotive clear paint No. 4 obtained in Example 4.
- Example 8 Except for changing the automotive clear paint No. 1 to the automotive clear paint No. 5 obtained in Example 5, the same procedure as in Example 8 was carried out to form a multi-layer coating by a three-coat two-bake method. did.
- Example 14 Except for changing the automotive clear paint No. 2 to the automotive clear paint No. 6, a multi-layer coating film was formed in the same manner as in Example 8 by a three-coat two-bake method.
- Example 14 Except for changing the automotive clear paint No. 2 to the automotive clear paint No. 6, a multi-layer coating film was formed in the same manner as in Example 8 by a three-coat two-bake method.
- Example 15 The base plate obtained in Production Example 6 was coated with a water-based colored base paint (trade name “WB C—710 T (black)”, Kansai Paint Co., Ltd., acrylic resin “melamine resin thermosetting paint”). The coating film was applied by air spray so as to have a cured film thickness of about 15 m, and dried at 80 ° C for 10 minutes to evaporate the water content in the coating film.
- a water-based colored base paint trade name “WB C—710 T (black)”, Kansai Paint Co., Ltd., acrylic resin “melamine resin thermosetting paint”.
- a clear paint (trade name “Magiclon TC-69”, manufactured by Kansai Paint Co., Ltd., acrylic resin / melamine resin-based thermosetting paint) is applied to the uncured coated surface so that the cured film thickness is about 35 m. Spray painted.
- the clear paint for automobile No. 1 obtained in Example 1 was applied by air spray so as to have a cured film thickness of about 40 m, and heated at 140 ° C for 30 minutes.
- the colored base coating film and the first clear coating film were cured, and the top clear coating film was semi-hardened.
- the metal halide lamp of output 12 OWZcm the ultraviolet wavelength of around 365 nm, so that the amount of irradiation is 1, 000 m JZ cm 2, it is sufficiently cured the Bok Ppukurya coating film was irradiated for about 10 seconds Was.
- a multilayer coating film was formed by a three-coat one-bake method.
- a water-based coloring base paint (trade name “WBC-710T (black)”, manufactured by Kansai Paint Co., Ltd., acrylic resin / melamine resin-based thermosetting coating) was applied to the coated plate obtained in Production Example 6 with a cured film thickness. Air spray coating was performed to a thickness of about 15 m, and the coating was dried at 80 ° C for 10 minutes to evaporate water in the coating. The uncured coated surface was coated with the automotive clear paint No. 1 obtained in Example 1 by air spray so as to have a cured film thickness of about 40 m, and dried at 90 ° C for 3 minutes as a preheating step. And the solvent was evaporated.
- Table 4 shows the clear paint for automobiles applied as a top coat in the coating film forming methods of Examples 8 to 16, the coating film forming process, and the coating film curing conditions.
- 3C2B indicates the 3-coat 2-bake method
- 3C1B indicates the 3-coat 1bake method
- 2C1B indicates the 2-coat 1bake method
- a multi-layer coating film was formed by a three-coat two-bake method in the same manner as in Example 8, except that the automotive clear paint No. 1 was changed to the automotive clear paint No. 8 obtained in Comparative Example 1. .
- Example 9 The same procedure as in Example 9 was carried out except that the automotive clear paint No. 2 was changed to the automotive clear paint No. 9 obtained in Comparative Example 2, and a multi-layer coating film was formed by a three-coat two-bake method. Formed.
- a water-based colored base paint (trade name “WBC_710T (black)”, manufactured by Kansai Paint Co., Ltd., acrylic resin / melamine resin thermosetting paint) was applied to the coated plate obtained in Production Example 6.
- the coating was applied to a cured film thickness of about 15 m, and dried at 80 ° C for 10 minutes to evaporate the water in the coating.
- the uncured surface is coated with clear paint (trade name “Magiclon TC-69”, manufactured by Kansai Paint Co., Ltd., acrylic resin / melamine resin-based thermosetting paint) to a cured film thickness of about 35.
- the coated film was heated at 140 ° C. for 30 minutes to simultaneously cure the base coating film and the clear coating film.
- the clear paint for automobile No. 10 obtained in Comparative Example 3 was applied on the clear cured paint film by air spray so as to have a cured film thickness of about 40 m, and was irradiated at 140 ° without UV irradiation. Just heat for 5 minutes at C to cure the coating, 3 coats 2 bake According to the formula, a multilayer coating film was formed.
- a water-based coloring base paint (trade name “WBC-710T (black)”, manufactured by Kansai Paint Co., Ltd., acrylic resin / melamine resin-based thermosetting coating) was applied to the coated plate obtained in Production Example 6 with a cured film thickness.
- the coating was applied to a thickness of about 15 m and dried at 80 ° C for 10 minutes to evaporate the water in the coating.
- This uncured surface is coated with clear paint (trade name “Magiclon TC-69”, manufactured by Kansai Paint Co., Ltd., acrylic resin / melamine resin thermosetting paint) to a cured film thickness of about 35 zxm. Then, the coating was heated at 140 ° C. for 30 minutes to simultaneously cure the base coating and the clear coating.
- the automotive clear paint No. 11 obtained in Comparative Example 4 was applied on the clear cured coating film by air spray so as to have a cured film thickness of about 40 / m, and was preheated at 90 ° C for 3 minutes. Dry and evaporate the solvent. Then, using a metal Haraidoranpu output 12 OW / cm, the UV wavelength of around 365 nm, so that the amount of irradiation is 1, 000 mJ / cm 2, by photocuring a coating film was irradiated for about 10 seconds A multi-layer coating film was formed by a three-coat two-bake method.
- a water-based colored base paint (trade name “WBC-710T (black)”, manufactured by Kansai Paint Co., Ltd., acrylic resin / melamine resin-based thermosetting paint) was cured on the coated plate obtained in Production Example 6. The coating was applied to a thickness of about 15 / m and dried at 80 ° C for 10 minutes to evaporate the water in the coating.
- the automotive clear paint No. 10 obtained in Comparative Example 3 was applied by air spraying so as to have a cured film thickness of about 40 m.
- the coating film was cured only by heating for 30 minutes, and a multi-layer coating film was formed by a two-coat one-bake method.
- Table 5 shows the clear paint for automobiles applied as a top coat in the coating film forming methods of Comparative Examples 5 to 9, the coating film forming process and the coating film curing conditions.
- 3C2B indicates a 3-coat 2-bake method
- 2C1B indicates a 2-coat 1bake method
- the performance test of the test coated plate on which each of the multilayer coating films obtained in each of the coating film forming methods of Examples 8 to 16 and Comparative Examples 5 to 9 was performed was performed by the following method.
- Curing degree of coating film The coated surface was wiped 50 times with a gauze impregnated with xylene, and the coated surface was visually observed. The degree of curing of the coating film was examined according to the following evaluation criteria.
- A indicates that the coating surface has not changed and curing of the coating is sufficient
- B indicates that the coating surface is scratched and the curing of the coating is insufficient
- C indicates that the coating surface is dissolved with xylene. This indicates that the hardness of the coating film is remarkably insufficient.
- A indicates that gasoline resistance is good without plister and whitening on the coated surface
- B indicates that blistering and whitening slightly occur on the coated surface and gasoline resistance is slightly poor
- C indicates that It indicates that whitening and whitening are remarkable and gasoline resistance is poor, respectively.
- Scratch resistance Place a mixture of polished sand (trade name “Dalma Crenza I”, manufactured by Yamasan Shoten Co., Ltd.) and water at an equal weight ratio on a test coated plate, and use a friction tester (Suga Tester)
- A shows that there is almost no change in the gloss of the coated surface and that it has excellent abrasion resistance
- B shows that there is a slight change in the gloss of the coated surface but that it is acceptable as a product.
- C indicates that the coated surface is shiny and the abrasion resistance is poor, and C indicates that the coated surface is extremely remarkable and the abrasion resistance is poor.
- Contact scratch length Continuous load (0 g to 100 g) using a continuous load type pulling strength tester (trade name "Tripogear Type 18L", manufactured by Shinto Kagaku Co., Ltd.) A pulling needle (Zahuaia, 0.1 mmR) was pulled 10 cm at a speed of 30 cmZmin to give a scar to the coating film, and the length (cm) of the scar after 24 hours was measured. .
- Nump hardness The test coated plate was left in a constant temperature room at 20 ° C. for 4 hours, and then measured using a two-con hardness meter (TU Inicrohardness tester, manufactured by American Chai Cable Company).
- Adhesion After immersing the test coated plate in 40 ° C hot water for 240 hours, cross-cut the cured coating with a cutter knife so that it reaches the substrate, make 100 gobangs of 2 mm x 2 mm, and apply it on the surface. An adhesive tape was applied, and the tape was rapidly peeled upward. At this time, the peeling of the top clear coating film was examined, and the number of remaining gobang-like coating films was counted. The larger the remaining number in 100 pieces, the better the adhesion.
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Abstract
Description
Claims
Priority Applications (6)
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JP2005514326A JP4799177B2 (ja) | 2003-09-30 | 2004-09-30 | 塗料組成物及び塗膜形成方法 |
US10/572,283 US7576139B2 (en) | 2003-09-30 | 2004-09-30 | Coating composition and method of forming coating film |
EP04788474A EP1669426B1 (en) | 2003-09-30 | 2004-09-30 | Coating composition and method of forming coating film |
DE602004014517T DE602004014517D1 (de) | 2003-09-30 | 2004-09-30 | Lack und markierungsverfahren |
US12/457,419 US7902267B2 (en) | 2003-09-30 | 2009-06-10 | Coating composition and method of forming coating film |
US12/457,418 US7915320B2 (en) | 2003-09-30 | 2009-06-10 | Coating composition and method of forming coating film |
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US10/572,283 A-371-Of-International US7576139B2 (en) | 2003-09-30 | 2004-09-30 | Coating composition and method of forming coating film |
US12/457,418 Division US7915320B2 (en) | 2003-09-30 | 2009-06-10 | Coating composition and method of forming coating film |
US12/457,419 Division US7902267B2 (en) | 2003-09-30 | 2009-06-10 | Coating composition and method of forming coating film |
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US (3) | US7576139B2 (ja) |
EP (1) | EP1669426B1 (ja) |
JP (1) | JP4799177B2 (ja) |
CN (2) | CN101245199B (ja) |
DE (1) | DE602004014517D1 (ja) |
WO (1) | WO2005030890A1 (ja) |
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2004
- 2004-09-30 EP EP04788474A patent/EP1669426B1/en not_active Not-in-force
- 2004-09-30 CN CN2008100097393A patent/CN101245199B/zh not_active Expired - Fee Related
- 2004-09-30 US US10/572,283 patent/US7576139B2/en not_active Expired - Fee Related
- 2004-09-30 JP JP2005514326A patent/JP4799177B2/ja not_active Expired - Fee Related
- 2004-09-30 WO PCT/JP2004/014782 patent/WO2005030890A1/ja active IP Right Grant
- 2004-09-30 CN CNB2004800284741A patent/CN100424144C/zh not_active Expired - Fee Related
- 2004-09-30 DE DE602004014517T patent/DE602004014517D1/de active Active
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2009
- 2009-06-10 US US12/457,419 patent/US7902267B2/en not_active Expired - Fee Related
- 2009-06-10 US US12/457,418 patent/US7915320B2/en not_active Expired - Fee Related
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Cited By (15)
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JP2007002047A (ja) * | 2005-06-22 | 2007-01-11 | Nippon Paint Co Ltd | 水性クリヤー塗料組成物及びクリヤー塗膜形成方法 |
JP2007002048A (ja) * | 2005-06-22 | 2007-01-11 | Nippon Paint Co Ltd | 水性クリヤー塗料組成物及びクリヤー塗膜形成方法 |
JP2007262328A (ja) * | 2006-03-29 | 2007-10-11 | Sumitomo Bakelite Co Ltd | 樹脂組成物及び樹脂組成物を使用して作製した半導体装置 |
JP2010515791A (ja) * | 2007-01-15 | 2010-05-13 | チバ ホールディング インコーポレーテッド | 2−ヒドロキシフェニルトリアジンで紫外線安定化された色付きクリヤコーティング |
KR101541431B1 (ko) * | 2007-01-15 | 2015-08-03 | 시바 홀딩 인크 | 2-하이드록시 페닐 트리아진에 의해 uv 안정화된 착색된 투명 피복물 |
JP2010214287A (ja) * | 2009-03-16 | 2010-09-30 | Honda Motor Co Ltd | 塗装方法 |
JP2012529979A (ja) * | 2009-06-12 | 2012-11-29 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 多層コーティング方法 |
JP2012051992A (ja) * | 2010-08-31 | 2012-03-15 | Fujifilm Corp | インク組成物、画像形成方法、及び印画物 |
WO2016020978A1 (ja) * | 2014-08-05 | 2016-02-11 | オリジン電気株式会社 | 熱及び光硬化性塗料組成物及び塗膜形成方法、水圧転写方法 |
JP5876195B1 (ja) * | 2014-08-05 | 2016-03-02 | オリジン電気株式会社 | 熱及び光硬化性の水圧転写用塗料組成物、水圧転写方法、水圧転写品 |
US10759960B2 (en) | 2014-08-05 | 2020-09-01 | Origin Electric Company, Limited | Heating—and light-curable coating composition and coating film formation method, water pressure transfer method |
JP2017014479A (ja) * | 2015-07-03 | 2017-01-19 | 住友大阪セメント株式会社 | 無機粒子含有組成物、塗膜、塗膜付きプラスチック基材、および表示装置 |
JP2016037609A (ja) * | 2015-12-15 | 2016-03-22 | オリジン電気株式会社 | 熱及び光硬化性塗料組成物及び塗膜形成方法 |
JP2018053098A (ja) * | 2016-09-29 | 2018-04-05 | 住友大阪セメント株式会社 | 無機粒子含有組成物、塗膜、塗膜付きプラスチック基材、および表示装置 |
WO2018155548A1 (ja) * | 2017-02-22 | 2018-08-30 | パナック株式会社 | 樹脂組成物及びハードコートフィルム |
Also Published As
Publication number | Publication date |
---|---|
EP1669426A4 (en) | 2007-06-13 |
US20070054977A1 (en) | 2007-03-08 |
CN101245199B (zh) | 2010-11-24 |
US20090253839A1 (en) | 2009-10-08 |
EP1669426A1 (en) | 2006-06-14 |
US7902267B2 (en) | 2011-03-08 |
DE602004014517D1 (de) | 2008-07-31 |
JPWO2005030890A1 (ja) | 2006-12-07 |
US7915320B2 (en) | 2011-03-29 |
US20090253823A1 (en) | 2009-10-08 |
CN101245199A (zh) | 2008-08-20 |
CN1860195A (zh) | 2006-11-08 |
EP1669426B1 (en) | 2008-06-18 |
JP4799177B2 (ja) | 2011-10-26 |
CN100424144C (zh) | 2008-10-08 |
US7576139B2 (en) | 2009-08-18 |
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