KR101882501B1 - Powder coating composition - Google Patents

Powder coating composition Download PDF

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KR101882501B1
KR101882501B1 KR1020120148177A KR20120148177A KR101882501B1 KR 101882501 B1 KR101882501 B1 KR 101882501B1 KR 1020120148177 A KR1020120148177 A KR 1020120148177A KR 20120148177 A KR20120148177 A KR 20120148177A KR 101882501 B1 KR101882501 B1 KR 101882501B1
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weight
resin
powder coating
coating composition
pigment
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KR20140078895A (en
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양지원
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현대자동차주식회사
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    • C—CHEMISTRY; METALLURGY
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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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03—Powdery paints
    • C09D5/033—Powdery paints characterised by the additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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    • C08K3/22—Oxides; Hydroxides of metals
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/38—Boron-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/40—Glass
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/34—Heterocyclic compounds having nitrogen in the ring
    • C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
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    • C08K5/3492—Triazines
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/10—Esters of organic acids, i.e. acylates
    • C08L1/14—Mixed esters, e.g. cellulose acetate-butyrate
    • 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
    • C09D181/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing sulfur, with or without nitrogen, oxygen, or carbon only; Coating compositions based on polysulfones; Coating compositions based on derivatives of such polymers
    • C09D181/06—Polysulfones; Polyethersulfones
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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
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03—Powdery paints
    • C09D5/033—Powdery paints characterised by the additives
    • C09D5/035—Coloring agents, e.g. pigments
    • 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
    • C09D5/22—Luminous paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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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
    • C09D7/41—Organic pigments; Organic dyes
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    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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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
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
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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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
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    • C08K2003/2206—Oxides; Hydroxides of metals of calcium, strontium or barium
    • C—CHEMISTRY; METALLURGY
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    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium

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Abstract

본 발명은 분체도료 조성물에 관한 것으로, 보다 상세하게는 분체도료 조성물에 있어서, 전체 도료 중량 대비 베이스 수지 70 내지 80 중량% 및 무늬형성제 0.01 내지 1 중량%를 포함하며, 차량의 알루미늄 휠 등에 적용되며 시인성이 확보되고 해머톤(Hammer ton) 질감이 구현되는 분체도료 조성물에 관한 것이다.More particularly, the present invention relates to a powder coating composition comprising 70 to 80% by weight of a base resin and 0.01 to 1% by weight of a pattern forming agent based on the total weight of the coating composition, And a visibility is ensured and a Hammer ton texture is realized.

Description

분체도료 조성물{Powder coating composition}Powder coating composition [0002]

본 발명은 분체도료 조성물에 관한 것으로, 보다 상세하게는 차량의 알루미늄 휠 등에 적용되며 시인성이 확보되고 해머톤(Hammer ton) 질감이 구현되는 분체도료 조성물에 관한 것이다.
TECHNICAL FIELD The present invention relates to a powder coating composition, and more particularly, to a powder coating composition which is applied to an aluminum wheel or the like of a vehicle and which has a visibility and a hammer tone texture.

분체도료는 일반도료에서 사용되는 유기용제, 반응성 단량체 및 물 등의 용매를 함유하지 않으며 필요에 따라 적절한 안료, 경화제 등을 배합하여 균일하게 용융 및 혼합시킨 분사체를 냉각한 다음 일정한 범위의 입도로 분쇄시켜 규정된 범위의 입도만으로 구성된 분말상의 도료를 의미한다.Powder coatings do not contain solvents such as organic solvents, reactive monomers and water used in general coatings. When necessary, appropriate pigments, hardeners, etc. are mixed and uniformly melted and mixed. The powder bodies are cooled, Means a powdery coating composed of only particles having a predetermined range of particle size.

상기 분체도료를 이용한 분체도장은 도막의 물성이 우수하고 용제형 도료에 비해 작업자의 숙련도를 크게 요하지 않으며 내충격성 등이 우수하여 건축, 가전 및 자동차 산업 등 여러 분야에 널리 이용되고 있다. 이러한 분체도장은 정전 스프레이 도장법, 유동 침적법 및 정전 유동 침적법 등에 의해 피도장 물체에 실시될 수 있다.Powder coating using the above powder coating is excellent in physical properties of a coating film and does not require much skill of a worker compared to a solvent type paint and is excellent in impact resistance and is widely used in various fields such as construction, household appliance and automobile industry. Such powder coating can be carried out on an object to be painted by an electrostatic spray coating method, a fluid deposition method and an electrostatic flow deposition method.

종래 자동차 부품에 적용되는 분체도료는 대한민국 공개특허공보 제10-2007-0070602호 등에 개시된 바와 같이, 내식성이나 내후성 등 분체도료 자체의 물성을 개선하기 위한 기술과 관련된 것들이 주류를 이루고 있다.BACKGROUND ART Powder coatings applied to automobile parts in the past are mainly related to techniques for improving the physical properties of the powder coating itself such as corrosion resistance and weather resistance as disclosed in Korean Patent Laid-Open Publication No. 10-2007-0070602.

다만, 종래 알루미늄 휠 등의 자동차 부품용 분체도료는 표면이 매끈한 질감만을 구현함에 따라 심미성 측면에서 최근 들어 더욱 다양해진 소비자의 니즈를 반영하지 못하는 문제가 있었다.However, powder coatings for automobile parts such as aluminum wheels have only a smooth surface, and therefore, they have not been able to reflect the needs of consumers that have diversified recently in terms of aesthetics.

또한, 종래 알루미늄 휠 등의 자동차 부품용 분체도료는 야간 혹은 악천우로 인하여 시계가 좋지 않은 상황에서 빛의 반사가 미미하여 시인성이 떨어지는 문제가 있었다.
In addition, powder paints for automotive parts such as aluminum wheels in the past have a problem that visibility is poor due to slight reflection of light in a bad clock due to nighttime or bad weather.

상기와 같은 문제점을 해결하기 위한 본 발명의 목적은 해머톤 질감이 구현되어 상품성이 개선되고, 형광 안료 등을 함유하여 시인성이 향상된 알루미늄 휠 등의 자동차 부품용 분체도료 조성물을 제공하고자 함에 있다.
The object of the present invention is to provide a powder coating composition for automobile parts, such as an aluminum wheel, which has hammer tone texture, improved commerciality, and improved visibility by containing fluorescent pigment and the like.

상기와 같은 목적을 달성하기 위한 본 발명에 의한 분체도료 조성물은 분체도료 조성물에 있어서, 전체 도료 중량 대비 베이스 수지 70 내지 80 중량% 및 무늬형성제 0.01 내지 1 중량%를 포함하는 것을 특징으로 한다.In order to achieve the above object, the powder coating composition according to the present invention is characterized in that the powder coating composition comprises 70 to 80% by weight of a base resin and 0.01 to 1% by weight of a pattern forming agent based on the total coating weight.

이 때, 상기 베이스 수지는 아크릴 수지, 폴리에테르술폰 수지, 염화비닐 수지, 에폭시 수지, 폴리에스테르 수지, 폴리아마이드 수지, 폴리에틸렌 수지 및 이들의 조합으로 구성되는 군에서 선택된 어느 하나인 것이 바람직하다.The base resin may be any one selected from the group consisting of an acrylic resin, a polyethersulfone resin, a vinyl chloride resin, an epoxy resin, a polyester resin, a polyamide resin, a polyethylene resin, and a combination thereof.

또한, 상기 베이스 수지는 폴리에테르술폰 수지이고, 상기 무늬형성제는 셀룰로오스 아세테이트 부틸레이트(Cellulose Acetate Butylate, CAB)인 것도 가능하다.In addition, the base resin may be a polyethersulfone resin, and the pattern forming agent may be cellulose acetate butyrate (CAB).

한편, 상기 분체도료 조성물은 형광안료 5 내지 10 중량%, 축광안료 1 내지 4 중량% 및 글래스비드(glass bead) 1 내지 3 중량%를 더 포함할 수 있는데, 여기서 상기 형광안료는 8 중량%, 축광안료는 3 중량% 및 글래스비드는 2 중량%인 것이 바람직하며, 상기 형광안료는 벤조구아나민 포름알데히드이고, 상기 축광안료는 Al2O3, SrO3 및 B2O3 중 어느 하나인 것이 바람직하다.The powder coating composition may further comprise 5 to 10% by weight of a fluorescent pigment, 1 to 4% by weight of a phosphorescent pigment and 1 to 3% by weight of a glass bead, wherein the fluorescent pigment contains 8% The phosphorescent pigment is preferably 3% by weight and the glass bead is preferably 2% by weight. The fluorescent pigment is benzoguanamine formaldehyde, and the phosphorescent pigment is any one of Al 2 O 3 , SrO 3 and B 2 O 3 desirable.

또한, 상기 상기 분체도료 조성물은 체질안료 10 내지 15 중량%, 경화제 0.5 내지 2 중량% 및 표면 조정제 0.5 내지 2 중량%를 더 포함할 수 있다.The powder coating composition may further comprise 10 to 15 wt% of extender pigment, 0.5 to 2 wt% of a curing agent, and 0.5 to 2 wt% of a surface conditioner.

한편, 상기 분체도료 조성물은 알루미늄 휠에 적용되는 것을 특징으로 한다.
On the other hand, the powder coating composition is applied to an aluminum wheel.

상기와 같은 구성을 가지는 본 발명의 효과는 알루미늄 휠 등의 자동차 부품에 해머톤의 거칠면서 고급스러운 질감이 구현됨에 따라 소비자의 다양해진 욕구를 반영할 수 있어 상품성이 개선되는 효과가 있다.The effect of the present invention having the above-described structure is that a harsh and high-quality texture of a hammer tone is realized in an automobile part such as an aluminum wheel, so that it is possible to reflect various desires of consumers, thereby improving the merchantability.

또한, 본 발명에 의한 분체도료 조성물은 거친 질감을 나타내어 오염물이나 스크래치 등에 의한 상품성 저하를 방지하는 장점이 있다.Further, the powder coating composition of the present invention has a rough texture and is advantageous in preventing the deterioration of the merchantability due to contaminants and scratches.

뿐만 아니라 광반사, 축광 및 형광 등을 나타내어 빛의 반사가 거의 없는 야간 시에도 시인성 확보를 가능하게 하는 효과가 있다.
In addition, it exhibits light reflection, phosphorescence and fluorescence, and has the effect of ensuring visibility even at nighttime when there is little light reflection.

도 1은 메탈릭 해머톤 문양 패턴을 나타낸 사진이다.
도 2는 실키 해머톤 문양 패턴을 나타낸 사진이다.
도 3은 잉크 해머톤 문양 패턴을 나타낸 사진이다.
도 4는 크랙 해머톤 문양 패턴을 나타낸 사진이다.
도 5는 입자감이 작은 해머톤 질감을 나타낸 사진이다.
도 6은 입자감이 큰 해머톤 질감을 나타낸 사진이다.
도 7은 본 발명에 의한 분체도료 조성물에 의해 해머톤 질감 및 시인성이 구현되는 원리를 나타낸 모식도이다.1 is a photograph showing a pattern of a metallic hammer tone pattern.
2 is a photograph showing a Silky Hammer tone pattern pattern.
3 is a photograph showing an ink hammer tone pattern.
4 is a photograph showing a pattern of a crack hammer tone pattern.
5 is a photograph showing a hammer tone texture with a small grain feel.
6 is a photograph showing a hammer tone texture having a large grain feel.
7 is a schematic view showing a principle in which hammer tone texture and visibility are realized by the powder coating composition according to the present invention.

본 명세서 및 청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정해서 해석되어서는 아니 되며, 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다. 따라서, 본 명세서에 기재된 실시예와 도면에 도시된 구성은 본 발명의 가장 바람직한 일 실시예에 불과할 뿐이고 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 변형예들이 있을 수 있음을 이해하여야 한다.
The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms and the inventor may appropriately define the concept of the term in order to best describe its invention It should be construed as meaning and concept consistent with the technical idea of the present invention. Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It should be understood that variations can be made.

이하 첨부된 도면에 의거하여 본 발명에 대하여 상세히 설명한다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

일 관점에서, 본 발명은 형광 해머톤 질감이 구현되어 시인성이 확보되고 상품성이 개선되는 분체도료 조성물에 관한 것이다.In one aspect, the present invention relates to a powder coating composition in which a fluorescent hammer tone texture is implemented to ensure visibility and to improve the merchantability.

건축용이나 산업용 제품 대비 휠 등 자동차 부품의 도장은 상품성이 크게 요구되므로, 첨가제의 점도 및 함량 등을 조절하여 다양한 질감이나 색상을 구현하기 위한 연구가 계속 되고 있다.Since the coating of automobile parts such as a wheel is required a great deal of commerciality compared to architectural and industrial products, studies are being carried out to realize various textures and colors by controlling viscosity and content of additives.

특히, 본 발명은 철재 가구용으로 사용되는 해머톤 질감의 분체도료를 자동차 알루미늄 휠 등 자동차 부품용으로 개발 및 적용하는 것에 특징이 있다.Particularly, the present invention is characterized in that a powder coating material of hammer tone texture used for iron furniture is developed and applied for automobile parts such as automobile aluminum wheels.

도 1 내지 도 4는 일반적으로 사용되는 해머톤 문양 패턴을 나타낸 것으로서 각각 거친 금속 질감의 패턴인 메탈릭(metallic), 부드러운 물방울 패턴인 실키(silky), 잉크가 번진듯한 패턴인 잉크(ink) 및 땅이 갈라진 패턴인 크랙(crack) 패턴을 나타내며, 입자감 정도에 따라 입자감이 작은 해머톤 질감(도 5) 또는 입자감이 큰 해머톤 질감을 표현할 수 있다.FIGS. 1 to 4 show generally used hammer tone pattern patterns, which are metallic, which is a pattern of rough metal texture, silky, which is a soft waterdrop pattern, ink, (Crack pattern) which is a cracked pattern, and a hammer tone texture (FIG. 5) having a small particle feeling or a hammer tone texture having a large particle feel can be expressed according to the degree of the granularity.

본 발명에 의한 분체도료 조성물은 상기와 같은 해머톤 질감을 구현하기 위해 베이스 수지 70 내지 80 중량% 및 무늬형성제 0.01 내지 1 중량%를 포함하는 것을 특징으로 한다.The powder coating composition according to the present invention is characterized by comprising 70 to 80% by weight of a base resin and 0.01 to 1% by weight of a pattern forming agent to realize the hammer tone texture as described above.

상기 베이스 수지는 아크릴 수지, 폴리에테르술폰 수지, 염화비닐 수지, 에폭시 수지, 폴리에스테르 수지, 폴리아마이드 수지, 폴리에틸렌 수지 및 이들의 조합 등으로 구성되는 군에서 선택된 어느 하나인 것이 바람직하다.The base resin is preferably any one selected from the group consisting of acrylic resin, polyethersulfone resin, vinyl chloride resin, epoxy resin, polyester resin, polyamide resin, polyethylene resin, and combinations thereof.

이러한 상기 베이스 수지는 피도장물의 외관, 내산성 및 내후성 등을 개선하는 역할을 하는 것으로 70 내지 80 중량% 포함되는 것이 바람직한데, 외관의 품질 등 주요 물성이 저하되는 것을 방지하기 위해 70 중량% 이상, 작업성 저하를 고려하여 80 중량% 이하 포함되는 것이 바람직하다.The base resin serves to improve the appearance, acid resistance, weather resistance and the like of the material to be coated, and it is preferably 70 to 80% by weight. In order to prevent deterioration of the main properties such as appearance quality, It is preferable that it is contained in an amount of 80% by weight or less in consideration of deterioration in workability.

또한, 상기 무늬형성제는 본 발명의 주요 특징인 해머톤 무늬를 형성하는 역할을 하는 것으로 셀룰로오스 아세테이트 부틸레이트(Cellulose Acetate Butylate, CAB)등이 사용될 수 있다.In addition, the pattern forming agent serves to form a hammer tone pattern, which is a main feature of the present invention, and may be cellulose acetate butyrate (CAB).

이러한 상기 무늬형성제는 0.01 내지 1 중량% 포함되는 것이 바람직한데, 해머톤 무늬 형성을 위해 0.01 중량% 이상, 도장 불량 및 외관 품질이 저하되는 것을 방지하기 위해 1 중량% 이하 포함되는 것이 바람직하다.
The pattern forming agent is preferably contained in an amount of 0.01 to 1% by weight, and it is preferably contained in an amount of 0.01% by weight or more for forming a hammer tone pattern, and 1% by weight or less for preventing poor coating quality and appearance quality from deteriorating.

한편, 상기 조성을 가진 분체도료 조성물은 시인성 확보를 위해 형광안료 5 내지 10 중량%, 축광안료 1 내지 4 중량% 및 글래스비드(glass bead) 1 내지 3 중량%를 더 포함하는 것이 바람직하다.The powder coating composition preferably has 5 to 10% by weight of a fluorescent pigment, 1 to 4% by weight of a phosphorescent pigment and 1 to 3% by weight of a glass bead in order to ensure visibility.

상기 형광안료 및 축광안료는 시인성 확보를 위해 발광하는 역할을 하는 것으로, 바람직하게 상기 형광안료로 벤조구아나민 포름알데히드 등이 사용될 수 있으며, 상기 축광안료로 Al2O3, SrO3 또는 B2O3 등이 사용될 수 있다.The fluorescent pigment and the phosphorescent pigment act to emit light for ensuring visibility. Preferably, benzoguanamine formaldehyde and the like can be used as the fluorescent pigment. The phosphorescent pigment includes Al 2 O 3 , SrO 3 or B 2 O 3 may be used.

이러한 상기 형광안료는 5 내지 10 중량% 포함되는 것이 바람직한데, 발광 효과를 위해 5 중량% 이상, 부착성 및 작업성 저하를 방지하기 위해 10 중량% 이하 포함되는 것이 바람직하며, 상기 축광안료는 1 내지 4 중량% 포함되는 것이 바람직한데, 그 이유는 상기 형광안료의 한정 이유와 동일하다.
The fluorescent pigment is preferably contained in an amount of 5 to 10% by weight, and it is preferably contained in an amount of not less than 5% by weight for luminescent effect and not more than 10% by weight in order to prevent adhesion and workability degradation. By weight to 4% by weight, and the reason for this is the same as that of the fluorescent pigment.

한편, 상기 조성을 가진 분체도료 조성물은 체질안료 10 내지 15 중량%, 경화제 0.5 내지 2 중량% 및 표면 조정제 0.5 내지 2 중량%를 더 포함하는 것이 바람직하다.The powder coating composition preferably has 10 to 15% by weight of extender pigment, 0.5 to 2% by weight of a curing agent, and 0.5 to 2% by weight of a surface conditioner.

상기 체질안료는 도막 충진 및 내식성 향상 역할을 하는 것으로, 바람직하게 BaSO4 또는 CaCO3 등이 사용될 수 있다.The extender pigment plays a role of improving film filling and corrosion resistance, and preferably BaSO 4 or CaCO 3 can be used.

이러한 상기 체질안료는 10 내지 15 중량% 포함되는 것이 바람직한데, 도막 형성 및 내식성 향상을 위해 10 중량% 이상, 작업성 저하를 방지하기 위해 15 중량% 이하 포함되는 것이 바람직하다.The extender pigment is preferably contained in an amount of 10 to 15% by weight, and it is preferably contained in an amount of 10% by weight or more for improving coating film formation and corrosion resistance, and 15% by weight or less for preventing workability deterioration.

또한, 상기 경화제는 도료 경화 및 반응속도 조절 역할을 하는 것으로, 바람직하게 블록이소시아네이트 등이 사용될 수 있다.In addition, the curing agent plays a role of controlling the paint curing and the reaction rate, and block isocyanate and the like may be preferably used.

이러한 상기 경화제는 0.5 내지 2 중량% 포함되는 것이 바람직한데, 미경화 발생 확률을 낮추기 위해 0.5 중량% 이상, 저장 안정성 저하를 방지하기 위해 2 중량% 이하 포함되는 것이 바람직하다.The curing agent is preferably contained in an amount of 0.5 to 2% by weight, and is preferably contained in an amount of 0.5% by weight or more to lower the probability of occurrence of uncured state, and 2% by weight or less to prevent deterioration of storage stability.

또한, 상기 표면 조정제는 도료평활성을 향상시키는 역할을 하는 것으로, 바람직하게 실리콘 변성 아크릴 수지 등이 사용될 수 있다.The surface modifier may improve the smoothness of the coating, and a silicone-modified acrylic resin may be preferably used.

이러한 상기 표면 조정제는 0.5 내지 2 중량% 포함되는 것이 바람직한데, 도료 평활성을 향상시키기 위해 0.5 중량% 이상, 새그(SAG) 발생 가능성을 저감시키기 위해 2 중량% 이하 포함되는 것이 바람직하다.The surface modifier is preferably contained in an amount of 0.5 to 2% by weight, and is preferably contained in an amount of 0.5% by weight or more for improving the smoothness of the coating and 2% by weight or less for reducing the possibility of sagging.

위와 같은 조성을 가진 분체도료 조성물은 이 분야의 통상의 지식을 가진 자에 의해 통상적인 방법으로 도장될 수 있다.Powder coating compositions having the above composition can be coated by a person skilled in the art in a conventional manner.

도 5는 본 발명에 의한 분체도료 조성물에 의해 해머톤 질감 및 시인성이 구현되는 원리를 나타낸 모식도이다. 도시된 바와 같이, 본 발명에 의한 조성물에 의해 구현되는 해머톤 질감은 상기 조성물에 포함된 베이스 수지(100)와 무늬형성제(110)의 표면장력 차이에 기인한 것으로서, 도막 결합 중 하나인 분화구(Cratering) 현상을 역이용하여 평활한 도장면이 아닌 표면이 거친 도장면이 형성된다.FIG. 5 is a schematic view showing a principle in which a hammer tone texture and visibility are realized by the powder coating composition according to the present invention. As shown in the figure, the hammer tone texture realized by the composition according to the present invention is caused by the difference in surface tension between the base resin 100 and the pattern forming agent 110 included in the composition, (Cratering) phenomenon is reversed to form a coated surface having a rough surface but not a smooth coated surface.

또한, 빛(200)이 상기 조성물에 조사되는 경우 우수한 반사 기능을 가진 글래스비드(120), 형광 및 축광안료(130)에 의해 주간뿐만 아니라 야간에도 시인성이 확보된다.When the light 200 is irradiated to the composition, visibility is ensured not only in the daytime but also in the nighttime by the glass bead 120, fluorescent and phosphorescent pigment 130 having an excellent reflection function.

본 발명의 일 실시예로서 베이스 수지로 폴리에테르술폰 수지를 사용하는 경우 상기 폴리에테르술폰 수지의 표면장력은 43dyne/cm 이고, 무늬형성제로 셀룰로오스 아세테이트 부틸레이트(CAB)를 사용하는 경우 상기 CAB의 표면장력은 34dyne/cm 인 바 표면장력의 차이로 인한 분화구 현상을 역이용함으로써 해머톤을 구현할 수 있다.
In the case of using a polyethersulfone resin as the base resin, the surface tension of the polyethersulfone resin is 43 dyne / cm. When cellulose acetate butyrate (CAB) is used as a pattern forming agent, the surface of the CAB The hammer tone can be realized by reversing the crater phenomenon due to the difference in the surface tension of the bar having a tension of 34 dyne / cm.

이하, 실시예를 통하여 본 발명을 더욱 상세히 설명하고자 한다. 이들 실시예는 오로지 본 발명을 예시하기 위한 것으로서, 본 발명의 범위가 이들 실시예에 의해 제한되는 것으로 해석되지 않는 것은 당 업계에서 통상의 지식을 가진 자에게 있어서 자명할 것이다.
Hereinafter, the present invention will be described in more detail with reference to Examples. It is to be understood by those skilled in the art that these embodiments are merely illustrative of the present invention and that the scope of the present invention is not construed as being limited by these embodiments.

구분division 비교예1Comparative Example 1 비교예2Comparative Example 2 비교예3Comparative Example 3 비교예4Comparative Example 4 실시예1Example 1 형광안료Fluorescent pigment 15 중량%15 wt% 15 중량%15 wt% 6 중량%6 wt% 10 중량%10 wt% 8 중량%8 wt% 축광안료Phosphorescent pigment -- 2 중량%2 wt% 2 중량%2 wt% 3 중량%3 wt% 3 중량%3 wt% 글래스비드Glass bead -- -- 2 중량%2 wt% 2 중량%2 wt% 2 중량%2 wt%

구분division 비교예1Comparative Example 1 비교예2Comparative Example 2 비교예3Comparative Example 3 비교예4Comparative Example 4 실시예1Example 1 주간 시인성Weekly visibility 보통usually 보통usually 우수Great 매우 우수Very good 매우 우수Very good 야간 시인성Night visibility 불량Bad 보통usually 우수Great 매우 우수Very good 매우 우수Very good 부착성Attachment 우수
(M-1)Great
(M-1) 우수
(M-1)Great
(M-1) 우수
(M-1)Great
(M-1) 보통
(M-3)usually
(M-3) 우수
(M-1)Great
(M-1)

상기 표 1 및 표 2는 본 발명에 의한 분체도료 조성물(실시예1)과 종래 분체도료 조성물(비교예 1~4)의 시인성 관련 성분과 물성을 비교한 표이다.Table 1 and Table 2 are tables comparing the visibility-related components and physical properties of the powder coating composition (Example 1) of the present invention and the conventional powder coating compositions (Comparative Examples 1 to 4).

상기 표에서 나타난 바와 같이, 상기 실시예 1은 비교예 4와 달리 부착성이 확보되면서 비교예 1 내지 3과 대비하여 시인성 효과가 매우 우수한 것을 확인할 수 있었는데, 이는 밝은 빛을 내는 형광안료, 어두운 곳에서도 발광하는 축광안료 및 우수한 반사기능을 가진 글래스비드를 적절한 조성비로 포함하고 있기 때문이다.As can be seen from the above table, in Example 1, unlike Comparative Example 4, adherence was secured, and it was confirmed that the visibility effect was excellent compared with Comparative Examples 1 to 3. This is because a bright fluorescent pigment, And a glass bead having an excellent reflection function at an appropriate composition ratio.

위와 같은 조성을 가진 분체도료 조성물은 일 실시예로서 알루미늄 휠에 적용될 수 있는데, 요구되는 각 물성에 대한 평가를 하기 표 3에 나타내었다.
The powder coating composition having the above composition can be applied to an aluminum wheel as an embodiment, and evaluation of each required property is shown in Table 3 below.

평가 항목/
평가 기준Evaluation items /
Evaluation standard 평가 결과Evaluation results 기존품(크린실버)Original product (clean silver) 본 발명Invention 도막 두께/
전면가공 유형 알루미늄 휠 적용시 60μm 이상Film Thickness /
Front machining type Aluminum wheel 60μm or more 60 ~ 120 μm60 to 120 μm 300 ~ 400 μm300 to 400 μm 내염수분무성/
SST(Salt Spray Test) 720시간 후 편측 3mm 이내Salt water silent /
SST (Salt Spray Test) Within 7 min. 1 ~ 2 mm1 to 2 mm 0.3 mm 미만Less than 0.3 mm 내칩핑성/
내한 -30℃My chipping property /
Cold -30 ℃ 보통usually 매우 우수Very good 경도/
HB 이상Hardness/
HB or more HBHB HH 부착성/
내수(40℃) 내습(℃) 후 M-2.5 이상Adhesion /
Domestic water (40 ℃) After humidity (℃) M-2.5 or more M-1.0(우수)M-1.0 (excellent) M-1.0(우수)M-1.0 (excellent) 내약품성/
내산성, 내알칼리성 평가Chemical resistance /
Acid resistance and alkali resistance evaluation 양호Good 양호Good 내용제성/
자일렌으로 10회 이상 평가Solvent resistance /
Evaluated more than 10 times with xylene 양호Good 양호Good 촉진내후성/
WOM(Weather-o-meter) 300 시간 후, 부착성 M-2.5 이상Accelerated weathering /
WOM (Weather-o-meter) After 300 hours, Adhesion M-2.5 or higher M-1.0(우수)M-1.0 (excellent) M-1.0(우수)M-1.0 (excellent)

상기 표 3에 나타난 바와 같이, 상기 평가 기준은 알루미늄 휠에 적용되기에 바람직한 물성 기준을 나타낸 것으로 본 발명에 의한 분체도료 조성물은 평가 항목으로 도막 두께, 내염수분무성, 내칩핑성, 경도, 부착성, 내약품성, 내용제성 및 촉진 내후성의 평가 기준을 모두 만족하며, 특히 종래 분체도료 조성물과 비교하여 도막두께, 내염수분무성, 경도 및 내칩핑성이 대폭 향상된 것을 확인하였다.As shown in the above Table 3, the evaluation standard indicates a preferable physical property standard to be applied to an aluminum wheel. The powder coating composition according to the present invention is evaluated as a coating film thickness, salt water repellency, anti-chipping property, hardness, , The chemical resistance, the solvent resistance and the accelerated weathering resistance, and it was confirmed that the coating film thickness, the salt water repellency, the hardness and the chipping resistance were remarkably improved in comparison with the conventional powder coating composition.

위와 같은 분체도료 조성물은 해머톤 질감이 구현되기에 상기 알루미늄 휠 외에도 브레이크 캘리퍼 및 내장 부품 등의 자동차 부품에 적용할 수 있다.Since the powder coating composition as described above has a hammer tone texture, it can be applied to automobile parts such as a brake caliper and interior parts in addition to the aluminum wheel.

이상 본 발명의 구체적 실시형태와 관련하여 본 발명을 설명하였으나 이는 예시에 불과하며 본 발명은 이에 제한되지 않는다. 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자는 본 발명의 범위를 벗어나지 않고 설명된 실시형태를 변경 또는 변형할 수 있으며, 본 발명의 기술사상과 아래에 기재될 특허청구범위의 균등범위 내에서 다양한 수정 및 변형이 가능하다.
Although the present invention has been described in connection with the specific embodiments of the present invention, it is to be understood that the present invention is not limited thereto. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents. Various modifications and variations are possible.

10 : 분체 프라이머
100 : 베이스 수지
110 : 무늬형성제
120 : 글래스비드
130 : 형광 및 축광안료
140 : 알루미늄 플래이크(Al flake) 또는 색상안료10: Powder primer
100: base resin
110: Pattern formation agent
120: glass bead
130: Fluorescent and phosphorescent pigments
140: Al flake (Al flake) or color pigment

Claims (8)

분체도료 조성물에 있어서,
전체 도료 중량 대비 베이스 수지 70 내지 80 중량% 및 무늬형성제 0.01 내지 1 중량%를 포함하며,
상기 베이스 수지는 폴리에테르술폰 수지이고, 상기 무늬형성제는 셀룰로오스 아세테이트 부틸레이트(CAB, Cellulose Acetate Butylate)인 것을 특징으로 하는 분체도료 조성물.
In the powder coating composition,
70 to 80% by weight of a base resin and 0.01 to 1% by weight of a pattern forming agent based on the total coating weight,
Wherein the base resin is a polyethersulfone resin, and the pattern forming agent is cellulose acetate butyrate (CAB).
제1항에 있어서,
상기 베이스 수지는 아크릴 수지, 폴리에테르술폰 수지, 염화비닐 수지, 에폭시 수지, 폴리에스테르 수지, 폴리아마이드 수지, 폴리에틸렌 수지 및 이들의 조합으로 구성되는 군에서 선택된 어느 하나인 것을 특징으로 하는 분체도료 조성물.
The method according to claim 1,
Wherein the base resin is any one selected from the group consisting of an acrylic resin, a polyethersulfone resin, a vinyl chloride resin, an epoxy resin, a polyester resin, a polyamide resin, a polyethylene resin and a combination thereof.
삭제delete 제1항에 있어서,
상기 분체도료 조성물은 형광안료 5 내지 10 중량%, 축광안료 1 내지 4 중량% 및 글래스비드(glass bead) 1 내지 3 중량%를 더 포함하는 것을 특징으로 하는 분체도료 조성물.
The method according to claim 1,
Wherein the powder coating composition further comprises 5 to 10% by weight of a fluorescent pigment, 1 to 4% by weight of a phosphorescent pigment, and 1 to 3% by weight of a glass bead.
제4항에 있어서,
상기 형광안료는 8 중량%, 축광안료는 3 중량% 및 글래스비드는 2 중량%인 것을 특징으로 하는 분체도료 조성물.
5. The method of claim 4,
Wherein the fluorescent pigment is 8 wt%, the phosphorescent pigment is 3 wt%, and the glass bead is 2 wt%.
제4항에 있어서,
상기 형광안료는 벤조구아나민 포름알데히드이고, 상기 축광안료는 Al2O3, SrO3 및 B2O3 중 어느 하나인 것을 특징으로 하는 분체도료 조성물.
5. The method of claim 4,
Wherein the fluorescent pigment is benzoguanamine formaldehyde, and the phosphorescent pigment is any one of Al 2 O 3 , SrO 3 and B 2 O 3 .
제4항에 있어서,
상기 분체도료 조성물은 체질안료 10 내지 15 중량%, 경화제 0.5 내지 2 중량% 및 표면 조정제 0.5 내지 2 중량%를 더 포함하는 것을 특징으로 하는 분체도료 조성물.
5. The method of claim 4,
Wherein the powder coating composition further comprises 10 to 15% by weight of an extender pigment, 0.5 to 2% by weight of a curing agent, and 0.5 to 2% by weight of a surface conditioner.
제1항, 제2항 및 제4항 내지 제7항 중 어느 한 항에 있어서,
상기 분체도료 조성물은 알루미늄 휠에 적용되는 것을 특징으로 하는 분체도료 조성물.The method according to any one of claims 1, 2, and 4 to 7,
Wherein the powder coating composition is applied to an aluminum wheel.
KR1020120148177A 2012-12-18 2012-12-18 Powder coating composition KR101882501B1 (en)

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