KR20080008520A - Two type water based metallic coating composition for interior materials of automobile - Google Patents

Two type water based metallic coating composition for interior materials of automobile Download PDF

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KR20080008520A
KR20080008520A KR1020060067884A KR20060067884A KR20080008520A KR 20080008520 A KR20080008520 A KR 20080008520A KR 1020060067884 A KR1020060067884 A KR 1020060067884A KR 20060067884 A KR20060067884 A KR 20060067884A KR 20080008520 A KR20080008520 A KR 20080008520A
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coating composition
weight
water
metallic coating
automobile
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KR1020060067884A
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KR101267700B1 (en
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이정환
오우정
김억
조영호
안재범
주훈관
김대업
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현대모비스 주식회사
대한비케미칼주식회사
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/062—Copolymers with monomers not covered by C09D133/06
    • C09D133/066—Copolymers with monomers not covered by C09D133/06 containing -OH groups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • 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
    • C08L83/04—Polysiloxanes
    • 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Paints Or Removers (AREA)

Abstract

A two pack type aqueous metallic coating composition for an automobile plastic interior material, and an automobile plastic interior material coated with the composition are provided to reduce the smell inside an automobile and to improve environmental friendliness by using water as a solvent and by lowering the amount of volatile organic compounds and to prevent the cracking of a plastic material. A two pack type aqueous metallic coating composition comprises a base which comprises 10-40 wt% of a water-soluble polyurethane dispersion, 10-40 wt% of a water-soluble acrylic resin having a OH group, 2-10 wt% of a coated aluminum paste having a particle size of 6-25 micrometers, 0.1-5 wt% of a urethane-based thickener, 0.1-1 wt% of a polysiloxane-based surface wetting agent, 0.1-0.5 wt% of a polysiloxane-based antifoaming agent, and the balance of water; and a HMDI (hydrophilic hexamethylene diisocyanate trimer)-based curing agent.

Description

자동차 플라스틱 내장재용 2액형 수성 메탈릭 도료 조성물 {TWO TYPE WATER BASED METALLIC COATING COMPOSITION FOR INTERIOR MATERIALS OF AUTOMOBILE}TECHNICAL FIELD [0001] The present invention relates to a two-component aqueous metallic coating composition for automobile plastic interior materials,

본 발명은 자동차 플라스틱 내장재용 2액형 수성 메탈릭 도료 조성물에 관한 것으로, 더욱 상세하게는 용매로 물을 사용하기 때문에 휘발성 유기화합물(VOC)의 함량을 현격히 감소시킨 친환경이며, 작업자의 건강을 보호할 수 있으며, 기존 유성도료에 사용되던 강용제로 인한 플라스틱 소재의 균열 및 침식을 근본적으로 방지할 수 있고, 건조시 차량 실내의 냄새를 최소화시킬 수 있는 자동차 플라스틱 내장재용 2액형 수성 메탈릭 도료 조성물에 관한 것이다.TECHNICAL FIELD The present invention relates to a two-component aqueous metallic coating composition for automobile plastic interior materials. More particularly, the present invention relates to a two-component aqueous metallic coating composition for automobile plastic interior materials, which is water- The present invention relates to a two-component aqueous metallic coating composition for automobile plastic interior materials, which can fundamentally prevent cracking and erosion of a plastic material due to a coating agent used in conventional oil-based paints and can minimize the odor of the interior of a vehicle during drying.

자동차 내장용으로 사용되는 플라스틱은 표면에 사출시 자욱, 표면불량, 색상의 제한 등으로부터 오는 표면결함을 보완하기 위하여 종래부터 용제형 도료를 도장하여 이러한 문제를 극복해 왔다.또한 자동차 내장재의 고급화 추세로 감성품질 특성을 나타내는 플라스틱 코팅제품이 운전자의 피부와 맞닿는 부문에 적극적으로 적용되어 왔으며, 이러한 감성품질을 나타내면서 다양한 실버(silver) 입자감을 가지는 메탈릭(metallic) 도료가 고객에게 새로운 이미지 구현으로 다가가고 있다.Plastics used for automotive interior applications have overcome these problems by coating solvent-based paints in order to compensate for surface defects resulting from injection on the surface, surface defects, color limitation, etc. In addition, Has been applied positively to the area where the driver touches the skin. The metallic paint with various silver particles has come to approach the new image implementation to the customer while exhibiting such sensitivity quality have.

자동차 내장재 부품으로 사용되는 플라스틱은 크게 계기판(instrument panel), 도어 트림(door trim)류, 센터 훼이셔 패널(center facia panel), 센터 콘숄(center console), 오디오 패널(audio panel), 그립 핸들(grip handle) 등으로 이루어져 있다.상기 센터 훼이셔 패널, 오디오 패널, 그립 핸들 등은 ABS, PC, PC+ABS로 구성된 소재로서 별도의 점착 증진제(adhesion promoter, primer)의 사용 없이 소재에 직접 탄화수소계와 같은 용제로 전처리한 후, 다양한 금속 느낌(metallic feel)을 구현할 수 있는 1액형 메탈릭 도료가 주로 사용되고 있다.Plastics used as automobile interior parts are mainly composed of instrument panel, door trim, center facia panel, center console, audio panel, grip handle grip panel, audio panel, and grip handle are made of ABS, PC, PC + ABS, and can be directly attached to the material without using an adhesion promoter (primer). , And one-component metallic paint capable of realizing various metallic feelings is mainly used.

상기 1액형 메탈릭 도료는 고휘도의 거울(mirror) 느낌부터 광택(sparkle)의 느낌까지 구현할 수 있으나, 유성도료의 특성상 용제에 의한 소재의 침식으로 인한 변형을 주의해야만 한다.The one-component metallic paint can realize a high brightness mirror to sparkle feel. However, due to the nature of the oil paint, it is necessary to pay attention to the deformation due to the erosion of the material by the solvent.

상기와 같은 종래기술의 문제점을 해결하고자, 본 발명은 용매로 물을 사용하기 때문에 휘발성 유기화합물(VOC)의 함량을 현격히 감소시킨 친환경이며, 작업자의 건강을 보호할 수 있으며, 기존 유성도료에 사용되던 강용제로 인한 플라스틱 소재의 균열 및 침식을 근본적으로 방지할 수 있고, 건조시 차량 실내의 냄새를 최소화시킬 수 있는 자동차 플라스틱 내장재용 2액형 수성 메탈릭 도료 조성물에 관한 것이다.In order to solve the problems of the prior art as described above, the present invention uses an aqueous solvent as a solvent, thereby being environmentally friendly and significantly reducing the content of volatile organic compounds (VOC), protecting workers' health, The present invention relates to a two-component aqueous metallic coating composition for automobile plastic interior materials which can fundamentally prevent cracking and erosion of a plastic material caused by a ligneous agent and can minimize the odor of the interior of a vehicle during drying.

상기 목적을 달성하기 위하여, 본 발명은In order to achieve the above object,

a)ⅰ) 수용성 폴리우레탄 디스퍼젼 10 내지 40 중량%;a) i) 10 to 40% by weight of a water-soluble polyurethane dispersion;

ⅱ) OH기를 가지는 수용성 아크릴 수지 10 내지 40 중량%;  Ii) 10 to 40% by weight of a water-soluble acrylic resin having an OH group;

ⅲ) 입자크기가 6∼25 ㎛인 코티드 알루미늄 페이스트 2 내지 10 중량%; ⅳ) 우레탄계 증점제 0.1 내지 5 중량%;  Iii) 2 to 10 wt% of a coated aluminum paste having a particle size of 6 to 25 mu m; Iv) 0.1 to 5% by weight of a urethane based thickener;

ⅴ) 폴리실록산계 표면습윤제 0.1 내지 2 중량%;  V) 0.1 to 2% by weight of polysiloxane-based surface wetting agent;

ⅵ) 폴리실록산계 소포제 0.1 내지 1 중량%; 및  Vi) 0.1 to 1% by weight of a polysiloxane antifoaming agent; And

ⅶ) 잔량의 물  Ⅶ) Residual water

을 함유하는 주제; 및  ≪ / RTI > And

b) HMDI계 경화제b) HMDI-based curing agent

를 포함하는 것을 특징으로 하는 자동차 플라스틱 내장재용 2액형 수성 메탈릭 도료 조성물을 제공한다. Wherein the two-part type aqueous metallic coating composition for automobile plastic interior material is provided.

또한 본 발명은 상기 2액형 수성 메탈릭 도료 조성물이 도포된 자동차 플라스틱 내장재를 제공한다.The present invention also provides an automotive plastic interior material coated with the two-pack type aqueous metallic coating composition.

이하 본 발명을 상세하게 설명한다. Hereinafter, the present invention will be described in detail.

본 발명의 2액형 수성 메탈릭 도료 조성물은 수용성 폴리우레탄 디스퍼젼 10 내지 40 중량%, OH기를 가지는 수용성 아크릴 수지 10 내지 40 중량%, 입자크기가 6∼25 ㎛인 코티드 알루미늄 페이스트 2 내지 10 중량%, 우레탄계 증점제 0.1 내지 5 중량%, 폴리실록산계 표면습윤제 0.1 내지 2 중량%, 폴리실록산계 소포제 0.1 내지 1 중량%, 및 잔량의 물을 함유하는 주제와 HMDI계 경화제를 포함하는 것을 특징으로 한다.The two-component aqueous metallic coating composition of the present invention comprises 10 to 40% by weight of a water-soluble polyurethane dispersion, 10 to 40% by weight of a water-soluble acrylic resin having an OH group, 2 to 10% by weight of a coated aluminum paste having a particle size of 6 to 25 [ , 0.1 to 5 wt% of a urethane-based thickener, 0.1 to 2 wt% of a polysiloxane-based surface wetting agent, 0.1 to 1 wt% of a polysiloxane-based defoaming agent, and a residual amount of water and an HMDI-based curing agent.

본 발명의 주제에 사용되는 상기 a)ⅰ)의 수용성 폴리우레탄 디스퍼젼(polyurethane dispersion)은 코티드 알루미늄 금속을 유효하게 흡습(wetting)시 킬 수 있도록 하는 작용을 한다.The water-soluble polyurethane dispersions of a) i) used in the subject matter of the present invention act to effect wetting of the coated aluminum metal.

상기 수용성 폴리우레탄 디스퍼젼은 당업계에서 자동차 내장재용 도료 조성물에 사용되는 통상의 성분이 사용될 수 있음은 물론이며, 그 함량은 본 발명의 2액형 수성 메탈릭 도료 조성물 총 함량에 10 내지 40 중량%로 포함되는 것이 바람직하다. 상기 함량이 10 중량% 미만일 경우에는 도막형성 불량한 문제점이 있으며, 40 중량%를 초과할 경우에는 ABS, PC+ABS소재에 부착성이 떨어지는 문제점이 있다.The water-soluble polyurethane dispersion may be a conventional component used in a coating composition for automobile interior materials in the art, and the content thereof is preferably 10 to 40% by weight based on the total amount of the two-component aqueous metallic coating composition of the present invention . When the content is less than 10% by weight, there is a problem in forming a coating film. When the content is more than 40% by weight, adhesion to ABS and PC + ABS materials is poor.

본 발명의 주제에 사용되는 상기 a)ⅱ)의 수용성 아크릴 수지는 소재에 코팅시 우수한 부착력과 고경도를 부여하는 작용을 한다.The water-soluble acrylic resin of a) ii) used in the subject matter of the present invention acts to impart excellent adhesion and hardness upon coating the material.

상기 수용성 아크릴 수지는 당업계에서 자동차 내장재용 도료 조성물에 사용되는 통상의 아크릴 수지가 사용될 수 있으며, 특히 분자내 OH기를 가지는 아크릴 수지를 사용하는 것이 좋다.The water-soluble acrylic resin may be an ordinary acrylic resin used in a coating composition for an automobile interior material in the art. In particular, an acrylic resin having OH groups in a molecule is preferably used.

상기 수용성 아크릴 수지는 본 발명의 2액형 수성 메탈릭 도료 조성물 총 함량에 10 내지 40 중량%로 포함되는 것이 바람직하다. 상기 함량이 10 중량% 미만일 경우에는 ABS, PC+ABS소재에 부착성이 떨어지는 문제점이 있으며, 40 중량%를 초과할 경우에는 도막이 단단해져 내충격성이 떨어질 수 있는 한 문제점이 있다.The water-soluble acrylic resin is preferably contained in an amount of 10 to 40% by weight based on the total amount of the two-pack type aqueous metallic coating composition of the present invention. When the content is less than 10% by weight, adhesion to ABS and PC + ABS materials is poor. If the content is more than 40% by weight, the coating film becomes hard and impact resistance may be deteriorated.

본 발명의 주제에 사용되는 상기 a)ⅲ)의 코티드 알루미늄 페이스트는 수성계에 사용되어도 금속(metal)의 부식이나 가스 발생으로 인한 폭발 위험이 없다.The coated aluminum paste of a) iii) used in the subject matter of the present invention is free from the risk of explosion due to corrosion or gas generation of metal even when used in an aqueous system.

상기 코티드 알루미늄 페이스트는 알루미늄 페이스트를 인산, 실리카, 또는 크로메이트 등으로 코팅한 것으로, 상기 코티드 알루미늄 페이스트의 입자크기는 6 내지 25 ㎛인 것이 바람직하다. 상기 입자크기가 6 ㎛ 미만일 경우에는 알루미늄 휘도의 발현이 어려운 문제점이 있으며, 25 ㎛를 초과할 경우에는 알루미늄 입자로 인하여 저도막으로 도장될 시 외관불량과 입자의 표면이향으로 인해 내식성이 떨어지는 문제점이 있다.The coated aluminum paste is prepared by coating an aluminum paste with phosphoric acid, silica, chromate or the like, and the particle size of the coated aluminum paste is preferably 6 to 25 탆. When the particle size is less than 6 탆, the aluminum brightness is difficult to manifest. If the particle size is more than 25 탆, corrosion resistance is deteriorated due to appearance defects and surface migration of the particles when the coating is applied to the bottom due to aluminum particles have.

상기 코티드 알루미늄 페이스트는 본 발명의 2액형 수성 메탈릭 도료 조성물 총 함량에 2 내지 10 중량%로 포함되는 것이 바람직하며, 그 함량이 2 중량% 미만일 경우에는 은폐력이 떨어지는 문제점이 있으며, 10 중량%를 초과할 경우에는 부착력, 내약품성이 떨어지는 문제점이 있다.The coated aluminum paste is preferably contained in an amount of 2 to 10% by weight based on the total amount of the two-component aqueous metallic coating composition of the present invention. When the content of the coated aluminum paste is less than 2% by weight, There is a problem that adhesion and chemical resistance are lowered.

본 발명의 주제에 사용되는 상기 a)ⅳ)의 우레탄계 증점제는 본 발명의 도료 조성물의 점도를 상승시키는 작용을 한다.The urethane-based thickener of a) iv) used in the subject of the present invention acts to increase the viscosity of the coating composition of the present invention.

상기 우레탄계 증점제는 당업계에서 자동차 내장재용 도료 조성물에 사용되는 통상의 성분이 사용될 수 있음은 물론이며, 그 함량은 본 발명의 2액형 수성 메탈릭 도료 조성물 총 함량에 0.1 내지 5 중량%로 포함되는 것이 바람직하다. 상기 함량이 0.1 중량% 미만일 경우에는 점도와 칙소성이 낮아 도장시 칠흐름으로 인한 외관불량을 발생시킬 수 있는 문제점이 있으며, 5 중량%를 초과할 경우에는 고점도로 인한 도장작업성이 떨어지는 문제점이 있다.The urethane-based thickener may be a conventional component used in a coating composition for an automobile interior material in the art, and its content is preferably 0.1 to 5% by weight based on the total weight of the two-component aqueous metallic coating composition of the present invention desirable. If the content is less than 0.1% by weight, the viscosity and the rubbing are low, which may cause appearance failure due to the flow of the coating. If the content is more than 5% by weight, have.

본 발명의 주제에 사용되는 상기 a)ⅴ)의 폴리실록산계 표면습윤제는 당업계에서 자동차 내장재용 도료 조성물에 사용되는 통상의 성분이 사용될 수 있음은 물론이다.상기 폴리실록산계 표면습윤제는 본 발명의 1액형 수성 메탈릭 도료 조성물 총 함량에 0.1 내지 2 중량%로 포함되는 것이 바람직하며, 그 함량이 0.1 중량% 미 만인 경우에는 외관불량을 일으킬 수 있는 문제점이 있고, 2 중량%를 초과할 경우에는 도료가격 상승으로 인한 제품경쟁력에 문제점이 있다.The polysiloxane-based surface wetting agent of a) v) used in the subject matter of the present invention may be a conventional component used in a coating composition for automobile interior materials in the art. It is preferable that the content of the coating liquid is in the range of 0.1 to 2% by weight based on the total amount of the liquid type metallic coating composition. When the content is less than 0.1% by weight, there is a problem that appearance defects can be caused. There is a problem in product competitiveness due to the rise.

본 발명의 주제에 사용되는 상기 a)ⅵ)의 폴리실록산계 소포제 또한 당업계에서 자동차 내장재용 도료 조성물에 사용되는 통상의 성분이 사용될 수 있음은 물론이다.상기 폴리실록산계 소포제는 본 발명의 1액형 수성 메탈릭 도료 조성물 총 함량에 0.1 내지 1 중량%로 포함되는 것이 바람직하며, 그 함량이 0.1 중량% 미만일 경우에는 기포발생과 억제효과가 떨어져 외관불량이 발생할 수 있는 문제점이 있고, 1 중량%를 초과할 경우에는 도막에 크래터링과 같은 외관불량을 일으킬 수 있는 문제점이 있다.The polysiloxane antifoam agent of the present invention can also be used in the present invention. The polysiloxane antifoam agent may be a one-pack type aqueous antifoaming agent of the present invention If the content is less than 0.1% by weight, bubbles may be generated and the inhibiting effect may be deteriorated, resulting in appearance defects. When the content of the metallic coating composition is more than 1% by weight There is a problem that it can cause appearance defects such as cratering in the coating film.

상기와 같은 성분을 포함하는 주제 성분은 잔량의 물을 포함한다.The topical composition comprising such components comprises residual water.

본 발명에 사용되는 상기 b)의 경화제는 친수성 헥사메틸렌 디이소시아네이트 트라이머(hydrophilic hexamethylene diisocyanate trimer, HMDI)계 경화제로 자동차 플라스틱 내장재로서 요구되는 물성을 만족시키기 위하여 사용된다.The curing agent of b) used in the present invention is a hydrophilic hexamethylene diisocyanate trimer (HMDI) type curing agent and is used to satisfy the physical properties required as an automotive plastic interior material.

상기 친수상 헥사메틸렌디이소시아네이트 트라이머는 통상의 도료 조성물에 사용되는 성분을 사용할 수 있다.The above-mentioned hydrophilic hexamethylene diisocyanate trimer can be used as a component used in conventional coating compositions.

상기와 같은 경화제는 주제 100 중량%에 2 내지 10 중량%로 투입, 교반하여 사용할 수 있으며, 그 함량이 2 중량% 미만일 경우에는 미경화가 일어나서 도막의 물성확보가 어렵다는 문제점이 있고, 10 중량%를 초과할 경우에는 가사시간이 짧아져 작업상의 문제점을 야기할 수 있는 문제점이 있다.또한 본 발명은 상기 2액형 수성 메탈릭 도료 조성물이 도포된 자동차 플라스틱 내장재를 제공하는 바, 상기 자동차 플라스틱 내장재는 휘발성 유기화합물(VOC)을 발생시키지 않아 친환경적이며, 균열 및 침식이 현저히 낮고, 차량 실내의 냄새를 최소화할 수 있다.When the content of the curing agent is less than 2% by weight, unhardening occurs and it is difficult to secure the physical properties of the coating film. When the content of the curing agent is less than 10% by weight, The present invention provides an automotive plastic interior material coated with the two-pack type aqueous metallic coating composition, wherein the automotive interior plastic material is a volatile organic The compound (VOC) is not generated, so it is environmentally friendly, the crack and erosion are remarkably low, and the odor of the interior of the vehicle can be minimized.

이하, 본 발명의 이해를 돕기 위하여 바람직한 실시예를 제시하나, 하기 실시예는 본 발명을 예시하는 것일 뿐 본 발명의 범위가 하기 실시예에 한정되는 것은 아니다.Hereinafter, the present invention will be described in more detail with reference to the following examples. However, the scope of the present invention is not limited to the following examples.

[실시예][Example]

실시예 1Example 1

수용성 폴리우레탄 디스퍼젼 ( 20 ) 중량%, 수용성 아크릴 수지 (30) 중량%, 인산으로 코팅된 입자크기가 14 ㎛인 코티드 알루미늄 페이스트 ( 3.5 ) 중량%, 우레탄계 증점제 ( 0.4 ) 중량%, 폴리실록산계 표면습윤제 ( 1.6 ) 중량%, 폴리실록산계 소포제 ( 0.2 ) 중량%, 및 잔량의 물을 혼합하여 주제를 제조하였다.그 다음, 상기 주제 100 중량%에 대하여 친수성기를 가지는 헥사메틸렌 디이소시아네이트 경화제 ( 5 ) 중량%를 투입, 교반하여 도료 조성물을 제조하였다.A water-soluble polyurethane dispersion (20)% by weight, a water-soluble acrylic resin (30)% by weight, a phosphoric acid-coated particle size of 14 μm, a coated aluminum paste (3.5) A hexamethylene diisocyanate curing agent (5) having a hydrophilic group with respect to 100 wt% of the subject matter was prepared by mixing the surface wetting agent (1.6) wt%, the polysiloxane defoaming agent (0.2) wt% By weight, and the mixture was stirred to prepare a coating composition.

실시예 2Example 2

상기 실시예 1의 성분들 중 실리카로 코팅된 입자크기가 14 ㎛인 코티드 알루미늄 페이스트 ( 3.5 ) 중량%를 사용한 것을 제외하고는 상기 실시예 1과 동일한 방법으로 실시하였다.The same procedure as in Example 1 was carried out except that the weight percentage of coated aluminum paste (3.5) having a particle size of 14 탆 coated with silica in the components of Example 1 was used.

비교예 1Comparative Example 1

종래 유성 메탈릭도료를 사용하였다.A conventional oily metallic paint was used.

[표 1][Table 1]

실시예 1Example 1 실시예 2Example 2 비교예 1Comparative Example 1 외관Exterior 55 55 44 부착성Attachment 55 55 44 냄새smell 44 4.54.5 2.52.5

본 발명에 따른 자동차 플라스틱 내장재용 2액형 수성 메탈릭 도료 조성물은 용매로 물을 사용하기 때문에 휘발성 유기화합물(VOC)의 함량을 현격히 감소시킨 친환경이며, 작업자의 건강을 보호할 수 있으며, 기존 유성도료에 사용되던 강용제로 인한 플라스틱 소재의 균열 및 침식을 근본적으로 방지할 수 있고, 건조시 차량 실내의 냄새를 최소화시킬 수 있는 효과가 있다.이상에서 본 발명의 기재된 구체예에 대해서만 상세히 설명되었지만, 본 발명의 기술사상 범위 내에서 다양한 변형 및 수정이 가능함은 당업자에게 있어서 명백한 것이며, 이러한 변형 및 수정이 첨부된 특허청구범위에 속함은 당연한 것이다.Since the two-component aqueous metallic coating composition for automobile plastic interior material according to the present invention uses water as a solvent, the content of volatile organic compounds (VOC) is remarkably reduced and it is eco-friendly and can protect the health of workers. It is possible to fundamentally prevent cracking and erosion of the plastic material due to the used steel material and to minimize the odor of the interior of the vehicle during drying. Although only specific embodiments of the present invention have been described in detail, It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the present invention as defined by the appended claims.

Claims (3)

a)ⅰ) 수용성 폴리우레탄 디스퍼젼 10 내지 40 중량%; ⅱ) OH기를 가지는 수용성 아크릴 수지 10 내지 40 중량%;a) i) 10 to 40% by weight of a water-soluble polyurethane dispersion; Ii) 10 to 40% by weight of a water-soluble acrylic resin having an OH group; ⅲ) 입자크기가 6∼25 ㎛인 코티드 알루미늄 페이스트 2 내지 10 중량%;  Iii) 2 to 10 wt% of a coated aluminum paste having a particle size of 6 to 25 mu m; ⅳ) 우레탄계 증점제 0.1 내지 5 중량%;  Iv) 0.1 to 5% by weight of a urethane based thickener; ⅴ) 폴리실록산계 표면습윤제 0.1 내지 1 중량%;  V) 0.1 to 1% by weight of polysiloxane-based surface wetting agent; ⅵ) 폴리실록산계 소포제 0.1 내지 0.5 중량%; 및  Vi) 0.1 to 0.5% by weight of a polysiloxane defoaming agent; And ⅶ) 잔량의 물  Ⅶ) Residual water 을 함유하는 주제; 및  ≪ / RTI > And b) HMDI계 경화제b) HMDI-based curing agent 를 포함하는 것을 특징으로 하는 자동차 플라스틱 내장재용 2액형 수성 메탈릭 도료 조성물.Wherein the two-part type aqueous metallic coating composition for automobile plastic interior material is characterized by containing at least one of the following components. 제1항에 있어서,The method according to claim 1, 상기 코티드 알루미늄 포스페이트가 알루미늄 페이스트를 인산, 실리카, 및 크로메이트로 코팅되어 있는 군으로부터 1 종 이상 선택되는 성분으로 코팅하여 제조되는 것을 특징으로 하는 2액형 수성 메탈릭 도료 조성물.Wherein the coated aluminum phosphate is prepared by coating an aluminum paste with at least one selected from the group consisting of phosphoric acid, silica, and chromate. 제1항 기재의 2액형 수성 메탈릭 도료 조성물이 도포된 자동차 플라스틱 내 장재.A primer in an automobile plastic coated with the two-component aqueous metallic coating composition of claim 1.
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102559037A (en) * 2011-12-29 2012-07-11 肇庆千江高新材料科技有限公司 Non-yellowing low-carbon aqueous hammer paint, preparation method and using method thereof
KR20150072156A (en) * 2013-12-19 2015-06-29 현대자동차주식회사 A coating composition with improved sense of sparkle and coating method using it
US10035925B2 (en) 2015-03-06 2018-07-31 S&B Co., Ltd. Composition for car interior trim and preparation method using the same

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KR101808382B1 (en) 2015-05-29 2017-12-13 주식회사 케이씨씨 waterborne basecoat composition for automotive refinish

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JP3572344B2 (en) 2000-08-11 2004-09-29 日華化学株式会社 Two-part aqueous resin composition and coating agent containing the composition

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102559037A (en) * 2011-12-29 2012-07-11 肇庆千江高新材料科技有限公司 Non-yellowing low-carbon aqueous hammer paint, preparation method and using method thereof
KR20150072156A (en) * 2013-12-19 2015-06-29 현대자동차주식회사 A coating composition with improved sense of sparkle and coating method using it
US9878348B2 (en) 2013-12-19 2018-01-30 Hyundai Motor Company Coating composition with improved sense of sparkle and coating method using coating composition
US10035925B2 (en) 2015-03-06 2018-07-31 S&B Co., Ltd. Composition for car interior trim and preparation method using the same

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