WO2014193174A1 - 외관 및 내식성이 향상된 전착 도료용 우레탄 경화제, 및 이를 포함하는 전착 도료용 양이온 수지 조성물 및 전착 도료 조성물 - Google Patents
외관 및 내식성이 향상된 전착 도료용 우레탄 경화제, 및 이를 포함하는 전착 도료용 양이온 수지 조성물 및 전착 도료 조성물 Download PDFInfo
- Publication number
- WO2014193174A1 WO2014193174A1 PCT/KR2014/004800 KR2014004800W WO2014193174A1 WO 2014193174 A1 WO2014193174 A1 WO 2014193174A1 KR 2014004800 W KR2014004800 W KR 2014004800W WO 2014193174 A1 WO2014193174 A1 WO 2014193174A1
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- WO
- WIPO (PCT)
- Prior art keywords
- electrodeposition paint
- curing agent
- urethane curing
- electrodeposition
- alcohol
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
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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
- C08G18/80—Masked polyisocyanates
- C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
- C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
- C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
- C08G18/8022—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with polyols having at least three hydroxy groups
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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
- C08G18/80—Masked polyisocyanates
- C08G18/8061—Masked polyisocyanates masked with compounds having only one group containing active hydrogen
- C08G18/8064—Masked polyisocyanates masked with compounds having only one group containing active hydrogen with monohydroxy compounds
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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
- C09D5/08—Anti-corrosive paints
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
- C09D5/4488—Cathodic paints
- C09D5/4496—Cathodic paints characterised by the nature of the curing agents
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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
- C08G18/64—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63
- C08G18/6415—Macromolecular compounds not provided for by groups C08G18/42 - C08G18/63 having nitrogen
- C08G18/643—Reaction products of epoxy resins with at least equivalent amounts of amines
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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
- C08G18/80—Masked polyisocyanates
- C08G18/8003—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen
- C08G18/8006—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32
- C08G18/8009—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203
- C08G18/8012—Masked polyisocyanates masked with compounds having at least two groups containing active hydrogen with compounds of C08G18/32 with compounds of C08G18/3203 with diols
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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
- C08G2150/00—Compositions for coatings
- C08G2150/90—Compositions for anticorrosive coatings
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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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D5/44—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for electrophoretic applications
Definitions
- the present invention relates to a urethane curing agent for electrodeposition paint, and a cationic resin composition and electrodeposition paint composition for electrodeposition paint comprising the same, and more particularly, monohydric alcohol and polyhydric (dihydric or trihydric) alcohols in a specific molar ratio.
- the present invention relates to a urethane curing agent for electrodeposition paint, comprising a polyisocyanate blocked by a blocking agent, and capable of providing a thin electrodeposition coating film exhibiting excellent appearance and corrosion resistance, and a cationic resin composition for electrodeposition paint and an electrodeposition coating composition comprising the same.
- Electrodeposition coating is a technique in which a polymer having an electric charge moves to an electrode of opposite charge under the action of direct current, and a change in pH caused by the decomposition of water at the electrode causes polymer precipitation to form a non-conductive coating film. Electrodeposition coatings are of increasing importance because they provide higher adhesion efficiency, significant corrosion resistance, and lower environmental pollution than non-electrophoretic means.
- the anion electrodeposition method which initially paints the workpiece which acts as an anode was mainly used, but more than 90% of cars produced recently are coated by the cation electrodeposition method in which a paint is attached to a cathode.
- the surface of the particles of the paint must be cationic in order for the paint to be electrophoresized and moved when an electric potential is applied.
- the electrodeposition paint resins are polyepoxide-amine reaction products. An acid neutralized system is used.
- the electrodeposition coating process which is a coating process
- attention is focused on reducing the production cost by setting the coating thickness low and thereby reducing the paint consumption. That is, to reduce the paint usage by reducing the thickness of the coating film applied to the automobile body from the existing 20 ⁇ 25 ⁇ m 15 ⁇ 16 ⁇ m to reduce the raw material costs accordingly.
- the existing electrodeposition paint is designed to ensure the proper appearance and physical properties at a film thickness of 20 to 25 ⁇ m, simply lowering the thickness of the coating film only to 16 ⁇ m or less greatly reduces the physical properties such as coating appearance and corrosion resistance. .
- an electrodeposition coating technology that can provide a thin film type electrodeposition coating film having a thickness of 15 to 16 ⁇ m while exhibiting appearance and general properties equivalent to or better than those of an existing electrodeposition coating film having a thickness of 20 to 25 ⁇ m.
- the present invention is to solve the problems of the prior art that the appearance and corrosion resistance of the coating film is lowered when the electrodeposition coating film is thinned as described above, it can provide a thin electrodeposited coating film exhibiting excellent appearance and overall physical properties (especially corrosion resistance). It is a technical subject to provide the urethane hardening
- the present invention includes a polyisocyanate blocked by a blocking agent comprising a monohydric alcohol and a polyhydric alcohol, and the molar ratio of monohydric alcohol: polyhydric alcohol in the blocking agent is 1: 0.2 to 1: 2.
- curing agent for phosphorus and electrodeposition paint is provided.
- a cationic resin composition for electrodeposition paint comprising the urethane curing agent and polyepoxide-amine resin of the present invention.
- a cationic electrodeposition coating composition comprising the cationic resin composition for electrodeposition paint and deionized water of the present invention is provided.
- the cationic electrodeposition coating applied with the urethane curing agent according to the present invention is used, even if the thickness of the coating is reduced to 15 to 16 ⁇ m, a thin electrodeposited coating film having excellent appearance and corrosion resistance can be obtained.
- the urethane curing agent for electrodeposition paint of the present invention comprises a polyisocyanate completely or partially blocked by a blocking agent comprising a monohydric alcohol and a polyhydric alcohol, wherein the molar ratio of monohydric alcohol to polyhydric alcohol in the barrier agent is 1: 0.2 to 1 : 2, more preferably 1: 0.2 to 1: 1.8, even more preferably 1: 0.3 to 1: 1.6, and most preferably 1: 0.35 to 1: 1.4.
- 2- (2-butoxyethoxy) ethanol, ethanol or a mixture thereof may be preferably used, and more preferably 2- (2-butoxyethoxy) ethanol Can be used.
- dihydric alcohol dihydric alcohol (diol), trihydric alcohol (triol) or more polyols, or mixtures thereof are preferably used.
- dihydric alcohol the dihydric alcohol which differs in the reactivity of a hydroxyl group is preferable,
- the molecular weight is preferable that it is 60-300.
- the dihydric alcohol may be ethylene glycol, 1,2-propylene glycol, 1,4-butylene glycol, neopentyl glycol, polycaprolactone diol, 1,5-pentanediol, 1,2-butanediol, 1,2-hexanediol or mixtures thereof can be preferably used, and more preferably 1,2-hexanediol can be used.
- bisphenol A (BPA), bisphenol F (BPF), modified bisphenol A ethoxylate bisphenol A (Etoxylated bisphenol A), such as benzenediol, which does not evaporate at the proper baking temperature of the electrodeposition coating film 140 ⁇ 180 °C Dihydric alcohols having may be used.
- trihydric alcohol trimethylol propane, polycaprolactone triol, 1,2,4-butanetriol or a mixture thereof can be preferably used, and more preferably trimethylol propane can be used.
- the molar ratio of monohydric alcohol: polyhydric alcohol in the blocking agent is 1: 0.2 to 1: 2, more preferably 1: 0.2 to 1: 1.8, even more preferably 1: 0.3 to 1: 1.6, most preferably 1: 0.35-1: 1.4. If the molar ratio of polyhydric alcohol per mole of monohydric alcohol in the blocker is less than 0.2, the corrosion resistance may deteriorate when the electrodeposition coating film is formed into a thin film. There can be this deteriorating issue.
- polyisocyanate As the polyisocyanate completely or partially blocked by the blocking agent, aliphatic polyisocyanates including cycloaliphatic, aromatic polyisocyanates or mixtures thereof can be used.
- aliphatic polyisocyanates including cycloaliphatic, aromatic polyisocyanates or mixtures thereof can be used.
- polyisocyanates such as triisocyanates such as triphenylmethane-4,4 ', 4 ′′ -triisocyanate.
- polyisocyanates eg neopentylglycol or trimethylol propane
- polymer polyols eg polycaprolactone diols or triols
- the reaction of the blocking agent with the polyisocyanate may be carried out at a temperature of 50 ° C. to 120 ° C., where the ratio of equivalent isocyanate groups in the polyisocyanate: hydroxy group in the blocking agent is 1: 2 to 1: 1.
- a polyhydric alcohol in the blocking agent for example, when a dihydric alcohol having a different reactivity of hydroxy groups such as 1,2-propylene glycol is used, the primary hydroxy group and the isocyanate group are first reacted, and then the secondary hydroxy group and the isocyanate group are reacted. It is preferable to make it.
- the reaction between the hydroxy group and the isocyanate group can be terminated when infrared analysis confirms that no unreacted isocyanate group remains in the reactant.
- Blocked isocyanate groups are stable to active hydrogen at room temperature and can react with active hydrogen at high temperatures.
- the urethane curing agent of the present invention may include a diluting solvent for its easy handling and use.
- Methyl isobutyl ketone may be used as the main solvent.
- a compound having high molecular weight (eg, molecular weight of 150 or more) and high boiling point (eg, boiling point of 200 ° C or more) that does not evaporate at 140 to 180 ° C for 30 minutes in baking for example, tripropylene glycol (tripropylene glycol), 1,12-dodecanediol, triethylene glycol, ethoxylated bisphenol A, and the like may be used together.
- auxiliary solvent remains in the coating even after the curing process (140 ⁇ 180 °C) to improve the appearance.
- Tripropylene glycol or ethoxylated bisphenol A can be particularly preferably used as auxiliary solvent.
- Such auxiliary solvent is preferably used in an amount of 2 to 10% by weight based on 100% by weight of the total solids in the urethane curing agent.
- the urethane curing agent of the present invention may also include a curing catalyst such as tin catalyst.
- a curing catalyst such as tin catalyst.
- the curing catalyst include tin catalysts such as dilauryl acid dibutyl tin and dibutyl tin oxide, which are present in the urethane curing agent in amounts corresponding to 0.05 to 1% by weight of the tin component based on 100% by weight of total solids. It is desirable to.
- a cationic resin composition for electrodeposition paint comprising the urethane curing agent and polyepoxide-amine resin of the present invention described above.
- the polyepoxide-amine resin included in the cationic resin composition for electrodeposition paint of the present invention may be a polymer obtained by reacting a polyepoxy resin with an amine.
- the polyepoxy resin preferably has an epoxy equivalent of 180 to 2000, and also preferably has two or more 1,2-epoxy groups.
- preferred polyepoxy resins include polyglycidyl ethers of polyphenols, polyglycidyl ethers of aromatic polyols such as bisphenol-A, and the like.
- Such polyepoxy resins can be prepared by ether reaction of epihalohydrin or diepihalohydrin such as epichlorohydrin or dichlorohydrin with an aromatic polyol in the presence of alkali.
- the modified polyepoxy resin derived from a novolak resin, a polyphenol resin, etc. are mentioned.
- the molecular weight can be increased by reacting the polyglycidyl ether of the aromatic diol with a polyol capable of reacting with an epoxy group.
- a polyol capable of reacting with an epoxy group examples include ethylene glycol, diethylene glycol, triethylene glycol, 1,2-propylene glycol, 1,4-butylene glycol, 1,5-pentanediol, bisphenol-A, and the like.
- polyepoxy obtained by chain extension with an aliphatic polyol and a polyphenol of bisphenol A type is used in the preparation of the main resin, wherein the equivalent ratio of polyphenol: polyol of bisphenol A type is preferably Is 1: 0.2 to 1:10, more preferably 1: 0.65 to 1: 0.85.
- the amine usable in the preparation of the polyepoxide-amine resin may be a primary amine, a secondary amine or a mixture thereof, and ketimines or diketimines derived from the reaction of primary, secondary amines and ketones, respectively. ) May be used.
- preferred amines include monoisopropanolamine, 2-amino-1-phenyl-1,3, -propanediol, butanolamine, diethylenetriamine, tetraethylenepentaamine, diaminotoluene ethylenediamine, and the like. These amines may be used alone or in combination.
- the equivalent ratio of polyepoxy resin: amine is preferably 1: 0.6 to 1: 1.2, more preferably 1: 0.7 to 1: 1.15.
- the cationic resin composition for electrodeposition paint of the present invention preferably contains 1000 to 1500 parts by weight of a polyepoxide-amine main resin and 900 to 1300 parts by weight of a urethane curing agent containing blocked polyisocyanate. If the content of the curing agent for the main resin is relatively less than the above amount may have a problem of deterioration of the appearance of the coating film and the pinhole resistance, if there is a relatively large amount may be a problem of weak internal permeability.
- a cationic electrodeposition coating composition comprising the above-mentioned cationic resin composition for electrodeposition paint and deionized water.
- the solid content of the electrodeposition paint composition of the present invention is not particularly limited, and may be, for example, 10-30 wt%.
- the electrodeposition coating composition of the present invention may further include components, such as pigments, sub-resins, solvents, surfactants, and the like, which can be generally added to the electrodeposition coating composition, if necessary.
- a urethane curing agent was prepared from the components shown in Table 1 below.
- PAPI2940, methyl isobutyl ketone and dibutyltin dilaurate were fed to the reaction flask and heated to 30 ° C. under nitrogen atmosphere.
- 2- (2-butoxyethoxy) ethanol was added slowly while maintaining the temperature at 60-65 ° C. After the addition was complete, the reaction mixture was left at 65 ° C. for 90 minutes.
- Trimethylol propane was then added and the mixture heated to 110 ° C. and left at this temperature for 3 hours.
- the urethane curing agent was prepared by continuously maintaining at 110 ° C until no unreacted NCO remained by infrared analysis.
- a cationic water dispersion resin composition for electrodeposition paint was prepared from the components shown in Table 2 below.
- EPON828, bisphenol A-ethylene oxide adduct, bisphenol A and methyl isobutyl ketone were fed to a reaction vessel and heated to 140 ° C. under nitrogen atmosphere.
- the first portion of benzyldimethylamine was added and the reaction mixture was exothermic to about 185 ° C. and refluxed to remove azeotropic water.
- the reaction mixture was then cooled to 160 ° C. and left for 30 minutes, then further cooled to 145 ° C. and a second portion of benzyldimethylamine was added. 145 ° C was maintained until the epoxy equivalent reached 1100-1140.
- the previously prepared urethane curing agent, KT22, N-methyl ethanol amine was added continuously. The mixture was exothermic and then cooled to 125 ° C.
- the cationic electrodeposition coating composition was prepared by mixing 1292 parts by weight of the prepared water dispersion resin composition, 244 parts by weight of a commercially available pigment paste (ED3000-A), and 1460 parts by weight of deionized water.
- a cationic water-dispersible resin composition and electrodeposition paint composition for electrodeposition paint was prepared in the same manner as in Example 1.
- a urethane curing agent was prepared in the same manner as in Example 1. It was confirmed that no NCO remained and tripropylene glycol was added.
- a cationic water-dispersible resin composition and electrodeposition paint composition for electrodeposition paint was prepared in the same manner as in Example 1.
- a cationic water-dispersible resin composition and electrodeposition paint composition for electrodeposition paint was prepared in the same manner as in Example 1.
- a cationic water-dispersible resin composition and electrodeposition paint composition for electrodeposition paint was prepared in the same manner as in Example 1.
- a urethane curing agent was prepared in the same manner as in Example 1.
- a cationic water-dispersible resin composition and electrodeposition paint composition for electrodeposition paint was prepared in the same manner as in Example 1.
- a cationic water-dispersible resin composition and electrodeposition paint composition for electrodeposition paint was prepared in the same manner as in Example 1.
- a cationic water-dispersible resin composition and electrodeposition paint composition for electrodeposition paint was prepared in the same manner as in Example 1.
- a cationic water-dispersible resin composition and electrodeposition paint composition for electrodeposition paint was prepared in the same manner as in Example 1.
- electrodeposition coating was performed at a direct current voltage of 150V to 350V for 3 minutes at a bath temperature of 28 °C.
- the coated specimen was cured for 30 minutes at 170 °C oven temperature.
- a phosphate treated steel sheet was used.
- the physical properties of the prepared specimens were measured, and the results are shown in Table 11 below.
- Corrosion resistance Perform X-cutting on the specimen and leave the specimen for 1000 hours in the salt spray tester. Measurement of unilateral length of the rust removal site after 1000 hours of rust removal from the X-shaped cut site
- Blister After coating 7cm wide and 15cm long, leave the specimen for 1000 hours in the salt spray tester. Check the number of blisters with a diameter of 0.2 mm or more on the specimen.
- Mid-adhesion KC's commercially-available mid-paint (FU2240) is used to coat the electrodeposited specimens after curing, using a cross cutter to draw a line at 2mm intervals, and to close the tape to the cut area and to remove it. Adhesion evaluation (O: excellent, ⁇ : normal, ⁇ -: insufficient, X: poor).
- the electrodeposition coating composition prepared according to the present invention was excellent in corrosion resistance even at a low coating thickness, low roughness (Ra) value, excellent in both Blister, chipping resistance and intermediate adhesion.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Wood Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
Description
Claims (10)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2015155735A RU2621759C1 (ru) | 2013-05-30 | 2014-05-29 | Уретановое отверждающее вещество для электроосаждаемой краски с улучшенным внешним видом и коррозионной стойкостью, катионная полимерная композиция для электроосаждаемой краски и содержащая ее электроосаждаемая красящая композиция |
| CN201480030887.7A CN105339449B (zh) | 2013-05-30 | 2014-05-29 | 外观及耐腐蚀性得到提高的用于电沉积涂料的氨基甲酸乙酯固化剂及包含其的用于电沉积涂料的阳离子树脂组合物及电沉积涂料组合物 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130061725A KR101517191B1 (ko) | 2013-05-30 | 2013-05-30 | 외관 및 내식성이 향상된 전착 도료용 우레탄 경화제, 및 이를 포함하는 전착 도료용 양이온 수지 조성물 및 전착 도료 조성물 |
| KR10-2013-0061725 | 2013-05-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014193174A1 true WO2014193174A1 (ko) | 2014-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2014/004800 Ceased WO2014193174A1 (ko) | 2013-05-30 | 2014-05-29 | 외관 및 내식성이 향상된 전착 도료용 우레탄 경화제, 및 이를 포함하는 전착 도료용 양이온 수지 조성물 및 전착 도료 조성물 |
Country Status (4)
| Country | Link |
|---|---|
| KR (1) | KR101517191B1 (ko) |
| CN (1) | CN105339449B (ko) |
| RU (1) | RU2621759C1 (ko) |
| WO (1) | WO2014193174A1 (ko) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109312175A (zh) * | 2016-08-18 | 2019-02-05 | Kcc公司 | 电泳涂料组合物 |
| RU2709432C1 (ru) * | 2016-06-30 | 2019-12-17 | Ппг Индастриз Огайо, Инк. | Композиция электроосаждаемого покрытия, характеризующаяся улучшенным противодействием образованию кратеров |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101699953B1 (ko) | 2015-05-27 | 2017-02-13 | 이영미 | 목재 가구용 방수제 |
| JP6891701B2 (ja) * | 2017-07-26 | 2021-06-18 | 日油株式会社 | ウレタン塗料組成物、硬化塗膜、および樹脂部材 |
| KR102147718B1 (ko) * | 2018-03-23 | 2020-08-25 | 주식회사 케이씨씨 | 전착 수지 조성물 및 이를 포함하는 전착 도료 |
| KR102229059B1 (ko) * | 2019-02-01 | 2021-03-18 | 주식회사 케이씨씨 | 전착 수지 조성물 및 이를 포함하는 전착 도료 |
| CN116836608A (zh) * | 2023-04-18 | 2023-10-03 | 廊坊市富泉塑粉有限公司 | 一种热固性粉末涂料及其制备方法 |
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| US20060228556A1 (en) * | 2005-04-08 | 2006-10-12 | Fenn David R | Electrodepositable coating compositions and methods for their production |
| RU2478672C1 (ru) * | 2011-08-03 | 2013-04-10 | Валентин Александрович Лапицкий | Полимерная композиция |
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- 2014-05-29 WO PCT/KR2014/004800 patent/WO2014193174A1/ko not_active Ceased
- 2014-05-29 CN CN201480030887.7A patent/CN105339449B/zh active Active
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| JP2003082283A (ja) * | 2001-09-17 | 2003-03-19 | Kansai Paint Co Ltd | カチオン性塗料組成物 |
| KR20030059845A (ko) * | 2001-12-29 | 2003-07-12 | 주식회사 금강고려화학 | 저온 경화형 양이온 전착 수지 조성물 및 이를 함유하는도료 |
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| KR20090027370A (ko) * | 2007-09-12 | 2009-03-17 | 주식회사 케이씨씨 | 차단된 폴리이소시아네이트 경화제의 제조방법, 및 그경화제를 포함하는 전착 도료용 양이온 수지 조성물 및전착 도료 조성물 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| RU2709432C1 (ru) * | 2016-06-30 | 2019-12-17 | Ппг Индастриз Огайо, Инк. | Композиция электроосаждаемого покрытия, характеризующаяся улучшенным противодействием образованию кратеров |
| US10717883B2 (en) | 2016-06-30 | 2020-07-21 | Ppg Industries Ohio, Inc. | Electrodepositable coating composition having improved crater control |
| CN109312175A (zh) * | 2016-08-18 | 2019-02-05 | Kcc公司 | 电泳涂料组合物 |
| CN109312175B (zh) * | 2016-08-18 | 2021-03-09 | Kcc公司 | 电泳涂料组合物 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101517191B1 (ko) | 2015-05-04 |
| KR20140140833A (ko) | 2014-12-10 |
| CN105339449B (zh) | 2017-08-04 |
| CN105339449A (zh) | 2016-02-17 |
| RU2621759C1 (ru) | 2017-06-07 |
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