KR101286840B1 - Coating composition for plastic and eletro deposition coating of automobile - Google Patents
Coating composition for plastic and eletro deposition coating of automobile Download PDFInfo
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- KR101286840B1 KR101286840B1 KR1020060067887A KR20060067887A KR101286840B1 KR 101286840 B1 KR101286840 B1 KR 101286840B1 KR 1020060067887 A KR1020060067887 A KR 1020060067887A KR 20060067887 A KR20060067887 A KR 20060067887A KR 101286840 B1 KR101286840 B1 KR 101286840B1
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- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
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- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
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- C09D7/20—Diluents or solvents
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- 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
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- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/69—Particle size larger than 1000 nm
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Abstract
본 발명은 자동차 플라스틱 및 전착 도장용 도료 조성물에 관한 것으로, 특히 클로리네이티드 폴리올레핀 수지, 속건성 아크릴 수지, 지건성 아크릴 수지, 마이크론의 입자경을 갖는 마이크로나이즈드 실리카 분산체, 탈크계 체질 안료, 폴리실록산계 표면분산제, 및 방향족 용매를 포함하는 자동차 플라스틱 및 전착 도장용 도료 조성물에 관한 것이다.The present invention relates to a coating composition for automotive plastics and electrodeposition coatings, in particular, a chlorinated polyolefin resin, a quick-drying acrylic resin, a dry-drying acrylic resin, a micronized silica dispersion having a particle size of micron, talc-based sieving pigments, polysiloxane-based The present invention relates to a coating composition for automotive plastics and electrodeposition coating containing a surface dispersant and an aromatic solvent.
본 발명에 따르면 종래 복층 도장(2-coating) 방식을 개선하여 단일 도장(1-coating) 방식만으로 도장하여 공정을 단순화시킬 수 있고, 시간 및 가격면에서 경제적이며, 부착 및 장기신뢰성이 우수하고, 소재의 부식, 변색, 침식 등의 현상을 방지하여 물성 개량 효과가 있다.According to the present invention, it is possible to simplify the process by improving the conventional two-coating method by coating only a single coating method (1-coating), economical in terms of time and price, excellent adhesion and long-term reliability, It prevents phenomena such as corrosion, discoloration, and erosion of materials, thereby improving physical properties.
도료 조성물, 자동차 플라스틱, 전착 도장, 클로리네이티드 폴리올레핀 수지, 아크릴 수지 Coating Composition, Automobile Plastic, Electrodeposition Coating, Chlorinated Polyolefin Resin, Acrylic Resin
Description
본 발명은 자동차 플라스틱 및 전착 도장용 도료 조성물에 관한 것으로, 더욱 상세하게는 종래 복층 도장(2-coating) 방식을 개선하여 단일 도장(1-coating) 방식만으로 도장하여 공정을 단순화시킬 수 있고, 시간 및 가격면에서 경제적이며, 부착 및 장기신뢰성이 우수하고, 소재의 부식, 변색, 침식 등의 현상을 방지하여 물성 개량 효과가 있는 자동차 플라스틱 및 전착 도장용 도료 조성물에 관한 것이다.The present invention relates to a coating composition for automotive plastics and electrodeposition coating, and more particularly, it is possible to simplify the process by painting with a single coating (1-coating) method by improving the conventional two-coating method. And it is economical in terms of price, and excellent adhesion and long-term reliability, and to prevent the phenomenon of corrosion, discoloration, erosion of the material and the like, and relates to a coating composition for automotive plastics and electrodeposition coating having an effect of improving physical properties.
자동차에 사용되는 플라스틱(nylon) 및 철 구조물(전착 도장)은 특성상 약품, 침식, 자외선 등에 취약하며, 외관에서 사출시의 자욱, 표면불량(scratch), 광택 등의 제한으로부터 오는 표면 결함을 갖는다.Plastics (nylon) and steel structures (electrodeposition paints) used in automobiles are vulnerable to chemicals, erosion, ultraviolet rays, etc., and have surface defects resulting from limitations in the appearance, injection, scratches, gloss, and the like.
일반적인 플라스틱으로는 ABS, PP, Nylon 등이 있으며, 부품 특징에 따라 온도, 경도 등에 따라 소재를 달리하여 사용하며, FAM Carrier의 부품은 내부 열 및 경도가 우수한 플라스틱을 사용하여야 한다.General plastics include ABS, PP, Nylon, etc., and materials are used differently according to temperature, hardness, etc. according to the characteristics of parts, and parts of FAM Carrier should use plastics with excellent internal heat and hardness.
또한, 철 부품의 전착 도장을 한 뒤 전착 도장 제품을 그대로 사용하면 내후 성 및 물성에 있어 취약하며, 이를 보호하기 위한 도장을 실시한다.In addition, if the electrodeposition coating products are used as they are after the electrodeposition coating of the iron parts, they are vulnerable to weather resistance and physical properties, and the coating is performed to protect them.
그러나, 현재 사용되고 있는 복층 도장 방법은 공정이 복잡하고, 시간 및 가격면에서 비경제적이라는 문제점이 있었다.However, the multilayer coating method currently used has a problem that the process is complicated and uneconomical in terms of time and price.
상기와 같은 종래기술의 문제점을 해결하고자, 본 발명은 종래 복층 도장(2-coating) 방식을 개선하여 단일 도장(1-coating) 방식만으로 도장하여 공정을 단순화시킬 수 있고, 시간 및 가격면에서 경제적이며, 부착 및 장기신뢰성이 우수하고, 소재의 부식, 변색, 침식 등의 현상을 방지하여 물성 개량 효과가 있는 자동차 플라스틱 및 전착 도장용 도료 조성물을 제공하는 것을 목적으로 한다.In order to solve the problems of the prior art as described above, the present invention can simplify the process by painting with a single coating (1-coating) only by improving the conventional two-coating method, economical in terms of time and price An object of the present invention is to provide a coating composition for automobile plastics and electrodeposition coating, which has excellent adhesion and long-term reliability, and prevents phenomena such as corrosion, discoloration, and erosion of materials, and has an effect of improving physical properties.
상기 목적을 달성하기 위하여, 본 발명은 In order to achieve the above object,
a) 클로리네이티드 폴리올레핀 수지 5 내지 10 중량%;a) 5 to 10% by weight of the cloned polyolefin resin;
b) 속건성 아크릴 수지 20 내지 30 중량%;b) 20 to 30% by weight quick-drying acrylic resin;
c) 지건성 아크릴 수지 20 내지 30 중량%;c) 20 to 30% by weight of a dry-drying acrylic resin;
d) 마이크론의 입자경을 갖는 마이크로나이즈드 실리카 분산체 3 내지 5 중량%;d) 3 to 5 weight percent of a micronized silica dispersion having a particle diameter of microns;
e) 탈크계 체질 안료 10 내지 25 중량%;e) 10 to 25% by weight talc based sieving pigment;
f) 폴리실록산계 표면분산제 최대 2 중량%; 및f) up to 2% by weight of polysiloxane-based surface dispersant; And
g) 방향족 용매 20 내지 40 중량%g) 20-40 wt% of aromatic solvent
를 포함하는 것을 특징으로 하는 자동차 플라스틱 및 전착 도장용 도료 조성 물을 제공한다.It provides a paint composition for automobile plastics and electrodeposition coating comprising a.
또한 본 발명은 상기 도료 조성물이 도포된 것을 특징으로 하는 자동차 플라스틱 및 전착 도장을 제공한다.The present invention also provides an automotive plastic and electrodeposition coating, characterized in that the coating composition is applied.
이하 본 발명을 상세하게 설명한다. Hereinafter, the present invention will be described in detail.
본 발명의 자동차 플라스틱 및 전착 도장용 도료 조성물은 클로리네이티드 폴리올레핀 수지 5 내지 10 중량%, 속건성 아크릴 수지 20 내지 30 중량%, 지건성 아크릴 수지 20 내지 30 중량%, 마이크론의 입자경을 갖는 마이크로나이즈드 실리카 분산체 3 내지 5 중량%, 탈크계 체질 안료 10 내지 25 중량%, 폴리실록산계 표면분산제 최대 2 중량%, 및 방향족 용매 20 내지 40 중량%를 포함하는 것을 특징으로 한다.The coating composition for automobile plastics and electrodeposition coatings of the present invention is 5-10 wt% of polychlorinated polyolefin resin, 20-30 wt% of quick-drying acrylic resin, 20-30 wt% of dry-drying acrylic resin, and micronized having a particle size of micron. 3 to 5 wt% of the silica dispersion, 10 to 25 wt% of the talc based sieving pigment, up to 2 wt% of the polysiloxane surface dispersant, and 20 to 40 wt% of the aromatic solvent.
본 발명에 사용되는 상기 a)의 클로리네이티드 폴리올레핀 수지는 나일론 소재로 된 플라스틱과 전착 도장된 금속 재료의 표면에 동시 부착이 가능하게 하기 위하여 사용된다.The polychlorinated polyolefin resin of a) used in the present invention is used to enable simultaneous attachment to the surface of the plastic of nylon material and the electrodeposited metal material.
상기 클로리네이티드 폴리올레핀 수지는 당업계에서 사용되는 통상의 성분이 사용될 수 있음은 물론이며, 그 함량은 도료 조성물 총 함량에 5 내지 20 중량%로 포함되는 것이 바람직하다. 그 함량이 5 중량% 미만일 경우에는 NYLON소재에 부착성에 문제점이 있으며, 20 중량%를 초과할 경우에는 소재 표면의 물성이 떨어지는 문제점이 있다.Of course, the chlorinated polyolefin resin may be a conventional component used in the art, the content of which is preferably contained in 5 to 20% by weight of the total content of the coating composition. If the content is less than 5% by weight, there is a problem in the adhesion to the NYLON material, when it exceeds 20% by weight there is a problem in the physical properties of the material surface.
일반적으로 탄성계수가 높은 소재에 탄성계수가 낮은 표면층이 형성될 경우 표면층에서 크랙이 발생할 우려가 있으므로 강도가 매우 높은 금속 및 나일론 소재 와의 탄성계수를 맞추기 위해서는 탄성계수가 높은 성분이 도입되어 이를 보완하여야 한다.In general, when a surface layer having a low modulus of elasticity is formed on a material having a high modulus of elasticity, cracks may occur in the surface layer. Therefore, a component having a high modulus of elasticity must be introduced to compensate for the modulus of elasticity of a metal and nylon having a high strength. do.
따라서, 본 발명의 도료 조성물에서는 탄성계수가 높은 아크릴 수지를 사용하여 금속 및 나일론 소재와의 탄성계수를 맞춤으로써 표면층에 발생 가능한 크랙을 방지할 수 있다.Therefore, in the coating composition of the present invention, by using an acrylic resin having a high modulus of elasticity to match the modulus of elasticity with a metal and a nylon material, it is possible to prevent cracks that may occur in the surface layer.
본 발명에 사용되는 상기 b)의 속건성(速乾性) 아크릴 수지는 5 분 이내에 경화되는 아크릴 수지로, 당업계에서 사용되는 통상의 아크릴 수지를 사용할 수 있다.The quick-drying acrylic resin of b) used in the present invention is an acrylic resin cured within 5 minutes, and may be a conventional acrylic resin used in the art.
또한 상기 속건성 아크릴 수지는 본 발명의 도료 조성물이 도포되는 금속 및 나일론 소재와 비슷한 수준의 탄성계수를 갖는 것이 좋다.In addition, the quick-drying acrylic resin may have a modulus of elasticity similar to that of the metal and nylon material to which the coating composition of the present invention is applied.
상기 속건성 아크릴 수지는 도료 조성물 총 함량에 20 내지 30 중량%로 포함되는 것이 바람직하며, 그 함량이 20 중량% 미만일 경우에는 도료의 건조 시 건조가 되지않는 문제점이 있으며, 30 중량%를 초과할 경우에는 도막이 BRITTLE하여 충격성에 문제점이 있다.The quick-drying acrylic resin is preferably contained in 20 to 30% by weight in the total content of the coating composition, when the content is less than 20% by weight there is a problem that the drying does not dry when the paint, if it exceeds 30% by weight There is a problem in impact due to the brittle film.
본 발명에 사용되는 상기 c)의 지건성 아크릴 수지는 20 분 이내에 경화되는 아크릴 수지로, 당업계에서 사용되는 통상의 아크릴 수지를 사용할 수 있다.The slow-drying acrylic resin of c) used in the present invention is an acrylic resin cured within 20 minutes, and may be a conventional acrylic resin used in the art.
또한 상기 지건성 아크릴 수지는 본 발명의 도료 조성물이 도포되는 금속 및 나일론 소재와 비슷한 수준의 탄성계수를 갖는 것이 좋다.In addition, the slow-drying acrylic resin may have a modulus of elasticity similar to that of the metal and nylon material to which the coating composition of the present invention is applied.
상기 지건성 아크릴 수지는 도료 조성물 총 함량에 20 내지 30 중량%로 포함되는 것이 바람직하며, 그 함량이 20 중량% 미만일 경우에는 제품 물성에 문제점이 있으며, 30 중량%를 초과할 경우에는 건조가 느린 문제점이 있다.The dry-drying acrylic resin is preferably contained in 20 to 30% by weight in the total content of the coating composition, when the content is less than 20% by weight, there is a problem in product properties, and when it exceeds 30% by weight, drying is slow. There is a problem.
본 발명에 사용되는 상기 d)의 마이크론의 입자경을 갖는 마이크로나이즈드 실리카 분산체는 평균입경이 ( 5 ) 내지 ( 10 ) ㎛인 실리카 분산체를 사용할 수 있다.As the micronized silica dispersion having a micron particle size of d) used in the present invention, a silica dispersion having an average particle diameter of (5) to (10) μm may be used.
또한, 상기 실리카 분산체는 당업계에서 사용되는 통상의 마이크로나이즈드 실리카 분산체를 사용할 수 있음은 물론이다.In addition, the silica dispersion may be used a conventional micronitized silica dispersion used in the art.
상기 실리카 분산체는 도료 조성물 총 함량에 중량%로 포함되는 것이 바람직하며, 그 도료의 광택에 따라 조절이 가능하다. 다만 너무 많은 양의 실리카를 쓸 경우 도막의 물성이 떨어진다.The silica dispersion is preferably included in the total content of the coating composition in weight%, it can be adjusted according to the gloss of the paint. However, when too much silica is used, the physical properties of the coating film are reduced.
본 발명에 사용되는 상기 e)의 탈크계 체질 안료는 흡착력이 강하고, 사용감을 개선하는 작용을 한다.The talc-based sieving pigment of e) used in the present invention has a strong adsorption force and functions to improve the feeling of use.
상기 체질 안료는 탈크계 안료를 사용하는 것이 바람직하며, 당업계에서 사용되는 통상의 탈크계 안료를 사용할 수 있음은 물론이다.The extender pigment is preferably to use a talc pigment, it is a matter of course that can be used a conventional talc pigment used in the art.
상기 탈크계 체질 안료는 도료 조성물 총 함량에 10 내지 25 중량%로 포함되는 것이 바람직하다.The talc based sieving pigment is preferably included in 10 to 25% by weight of the total content of the coating composition.
본 발명에 사용되는 상기 f)의 폴리실록산계 표면분산제는 당업계에서 사용되는 통상의 폴리실록산계 표면분산제를 사용할 수 있음은 물론이며, 그 함량은 도료 조성물에 최대 2 중량%로 포함되는 것이 바람직하며, 그 함량이 2 중량%를 초과할 경우에는 도료 제조시 색상 변화의 문제점이 있다.The polysiloxane-based surface dispersant of the f) used in the present invention can be used a conventional polysiloxane-based surface dispersant used in the art, of course, the content is preferably included in the coating composition up to 2% by weight, If the content exceeds 2% by weight, there is a problem of color change during paint production.
본 발명에 사용되는 상기 g)의 방향족 용매는 방향족 탄화수소계 용제로, 구 체적으로 톨루엔, 크실렌, 등이 사용될 수 있다. The aromatic solvent of g) used in the present invention is an aromatic hydrocarbon solvent, specifically, toluene, xylene, or the like may be used.
상기 방향족 용매는 도료 조성물 총 함량에 20 내지 40 중량%로 포함되는 것이 바람직하며, 그 함량이 20 중량% 미만일 경우에는 도료가 희석되지 않는 문제점이 있다.The aromatic solvent is preferably contained in 20 to 40% by weight in the total content of the coating composition, when the content is less than 20% by weight there is a problem that the paint is not diluted.
또한 본 발명은 상기와 같은 성분으로 이루어지는 도료 조성물이 도포된 것을 특징으로 하는 자동차 플라스틱 및 전착 도장을 제공하는 바, 자동차 플라스틱이나 전착 도장에 도포시 단일 도장(1-coating) 방식만으로 도장함으로써 단순한 공정으로 도포가 가능하며, 시간 및 가격면에서 경제적이다. 또한, 부착 및 장기신뢰성이 우수하고, 소재의 부식, 변색, 침식 등의 현상을 방지하여 현저히 향상된 물성을 나타낼 수 있다.In another aspect, the present invention provides a vehicle plastic and electrodeposition coating, characterized in that the coating composition consisting of the above components are applied, a simple process by applying only a single coating (1-coating) method when applied to automotive plastic or electrodeposition coating It can be applied and is economical in terms of time and price. In addition, the adhesion and long-term reliability is excellent, it can exhibit a significantly improved physical properties by preventing the phenomenon of corrosion, discoloration, erosion of the material.
본 발명에 따른 도료 조성물은 종래 복층 도장(2-coating) 방식을 개선하여 단일 도장(1-coating) 방식만으로 도장하여 자동차 플라스틱 및 전착 도장 제조시 공정을 단순화시킬 수 있고, 시간 및 가격면에서 경제적이며, 부착 및 장기신뢰성이 우수하고, 소재의 부식, 변색, 침식 등의 현상을 방지하여 물성 개량 효과가 있다.The coating composition according to the present invention can improve the conventional double coating (2-coating) method to paint only a single coating (1-coating) method to simplify the process of manufacturing automotive plastic and electrodeposition coating, economical in terms of time and price It has excellent adhesion and long-term reliability, and prevents phenomena such as corrosion, discoloration and erosion of materials, thereby improving physical properties.
이상에서 설명한 본 발명은 전술한 실시예 및 첨부된 도면에 의해 한정되는 것이 아니고, 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 여러 가지 치환, 변형, 및 변경이 가능함은 본 발명의 속하는 기술분야에서 통상의 지식을 가진 자에게 있어서 명백한 것이다.The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope of the technical spirit of the present invention. It is obvious to one with ordinary knowledge.
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| KR101394675B1 (en) * | 2012-07-03 | 2014-05-13 | 현대자동차주식회사 | Base Coating Paint Composition for Automobile Including Zinc Pigment of Silver Color |
| KR101731614B1 (en) | 2015-09-30 | 2017-05-02 | 대영엔지니어링 주식회사 | System for quality control of electro deposition paint and Method for controlling quality of electro deposition paint using the same |
| KR101695176B1 (en) | 2015-11-16 | 2017-01-11 | 대영엔지니어링 주식회사 | System for electro deposition having improved efficiency for recovery of paint |
| KR101681194B1 (en) | 2015-11-16 | 2016-12-12 | 대영엔지니어링 주식회사 | Method for controlling quality of electro deposition |
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| JP2004075893A (en) | 2002-08-20 | 2004-03-11 | Kansai Paint Co Ltd | Undercoat composition for plastic member |
| KR20040073698A (en) * | 2003-02-14 | 2004-08-21 | 주식회사 금강고려화학 | Composition for aqueous coating for plastic interior finish in automobile |
| KR20060078973A (en) * | 2004-12-31 | 2006-07-05 | 주식회사 케이씨씨 | Two component under coating composition for automotive bumper |
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| JP2004075893A (en) | 2002-08-20 | 2004-03-11 | Kansai Paint Co Ltd | Undercoat composition for plastic member |
| KR20040073698A (en) * | 2003-02-14 | 2004-08-21 | 주식회사 금강고려화학 | Composition for aqueous coating for plastic interior finish in automobile |
| KR20060078973A (en) * | 2004-12-31 | 2006-07-05 | 주식회사 케이씨씨 | Two component under coating composition for automotive bumper |
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| KR20220142268A (en) | 2021-04-14 | 2022-10-21 | 주식회사 케이씨씨 | Acrylic composition for electro-deposition coating |
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