KR100466820B1 - Coating composition with photochromic effects and method for coating by thereof - Google Patents
Coating composition with photochromic effects and method for coating by thereof Download PDFInfo
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- KR100466820B1 KR100466820B1 KR1020030052334A KR20030052334A KR100466820B1 KR 100466820 B1 KR100466820 B1 KR 100466820B1 KR 1020030052334 A KR1020030052334 A KR 1020030052334A KR 20030052334 A KR20030052334 A KR 20030052334A KR 100466820 B1 KR100466820 B1 KR 100466820B1
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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
- C09D5/29—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes for multicolour effects
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
- B05D3/0209—Multistage baking
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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
- C08K3/10—Metal compounds
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/01—Hydrocarbons
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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
- C08L1/02—Cellulose; Modified cellulose
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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
- C09D7/20—Diluents or solvents
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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
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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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
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
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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
- C09D7/65—Additives macromolecular
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Abstract
Description
본 발명은 코팅조성물에 관한 것으로 보다 구체적으로는 광호환성화합물을 포함하여 광학적 효과를 갖는 코팅조성물 및 상기 코팅조성물을 이용한 코팅방법에 관한 것이다.The present invention relates to a coating composition, and more particularly to a coating composition having an optical effect, including a photo-compatible compound and a coating method using the coating composition.
일반적으로 금속이나 플라스틱에 사용하는 장식하는 코팅시스템에서 사용되는 다양한 코팅조성물이 알려져 있다. 이러한 코팅조성물은 필수적으로 유기 용매를 기재로 한 시스템(용매-함유)을 사용했는데, 휘발성 유기 용매의 사용에 대한 환경적인 염려가 커져 왔으며 그러한 유기용매의 비용이 증가로 인해, 코팅 기술에 있어서의 최근의 연구 노력은 물-함유 코팅 시스템의 개발에 초점이 맞춰져 있다. 예를 들어 국내특허출원번호 제1990-010236호는 수성-기재 코팅 조성물 내에서 운모미립자의 분산성을 개선시키기위해 실릴알킬 또는 실릴아릴 이소시아네이트와 알코올, 아민, 폴리에테르 알코올 또는 아민-종결 폴리에테르와의 반응 생성물인 우레탄 또는 우레아를 포함하고, 이들 화합물과의 반응에 의해 표면-개질된 운모질미립자를 포함하는 코팅조성물, 및 코팅된 물품을 개시하고 있는데, 이와 같이 종래에 알려진 코팅 기술들은 코팅조성물의 광학적효과에 전혀 초점을 맞추고 있지 않다.In general, various coating compositions are known that are used in decorative coating systems used for metals or plastics. This coating composition essentially used a system based on organic solvents (solvent-containing), which has increased environmental concerns for the use of volatile organic solvents and, due to the increased cost of such organic solvents, Recent research efforts have focused on the development of water-containing coating systems. For example, Korean Patent Application No. 1990-010236 discloses a mixture of silylalkyl or silylaryl isocyanates with alcohols, amines, polyether alcohols or amine-terminated polyethers to improve the dispersibility of mica particulates in aqueous-based coating compositions. A coating composition comprising urethane or urea, the reaction product of which is a reaction product, and comprising mica particulates that have been surface-modified by reaction with these compounds, and coated articles are disclosed. It's not focused at all on the optical effects.
한편, 국내특허 출원번호 제1996-0703355호는 중합체 수지 결합제, 광학적 가변성의 박막 이색 안료 플레이크, 및 상기 광학적 가변성 박막 안료의 이색 중 하나의 색과 유사한 간섭색을 갖는 간섭 마이카 안료를 함유하고, 상기 안료 플레이크는, 제1 및 제2의 평행한 평면을 가진 금속 반사층과, 상기 제1 및 제2의 평면 중 하나 이상의 위에 위치하는 하나 이상의 투명한 유전층을 포함하는 다층 박막 간섭 구조를 갖는 것임이 특징인 코팅 조성물을 개시하고 있는데, 상기 광학적 가변성의 박막 이색 안료 플레이크는 주로 통화 위조 방지 용도에 사용되는 잉크, 일반적으로 코팅 조성물에 사용되는 것으로, 이들 안료는 다른 유형의 안료에서는 관찰되지 않는 이색(二色) 효과를 비롯한 인상적인 시각 효과를 나타낼 수 있으나, 이들 안료의 시각 효과는 대다수의 경우 너무 인상적이기 때문에, 상업용 코팅 조성물에 사용하기에는 적합치 않은 문제점이 있었다.On the other hand, Korean Patent Application No. 1996-0703355 contains a polymeric resin binder, an optically variable thin dichroic pigment flake, and an interference mica pigment having an interference color similar to the color of one of the dichroic colors of the optically variable thin film pigment. The flake is characterized by having a multilayer thin film interference structure comprising a metal reflective layer having first and second parallel planes and at least one transparent dielectric layer located above at least one of the first and second planes. Compositions are disclosed wherein the optically variable thin dichroic pigment flakes are mainly used in inks used in anti-counterfeiting applications, generally in coating compositions, and these pigments are dichroisms not observed in other types of pigments. Impressive visual effects, including effects, but many of these pigments Because of the very impressive case, there was a problem, unfit for use in commercial coating compositions.
따라서 이와 같은 문제점이 없는 광학적 효과를 가진 코팅 조성물에 대한 당업계의 요구가 다수 존재했다.Therefore, there is a large demand in the art for a coating composition having an optical effect without such a problem.
상기와 같은 문제점을 해결하기 위해, 본 발명은 빛의 양에 따라 색깔이 변하는 광학적 효과를 가지므로 자외선의 양을 파악할 수 있을 뿐만 아니라 다양한 칼라 연출이 가능한 광학적 효과를 갖는 코팅조성물 및 상기 코팅조성물을 이용한코팅방법을 제공하는 것을 목적으로 한다.In order to solve the above problems, the present invention has an optical effect that changes the color according to the amount of light, so that not only can grasp the amount of ultraviolet light, but also has a coating composition and the coating composition having an optical effect capable of producing various colors. An object of the present invention is to provide a coating method.
또한 본 발명은 금속류의 산화를 방지하고 내약품성 및 내수성을 가지는 광학적 효과를 갖는 코팅조성물 및 상기 코팅조성물을 이용한 코팅방법을 제공하는 것을 목적으로 한다.Another object of the present invention is to provide a coating composition having an optical effect of preventing oxidation of metals and having chemical resistance and water resistance, and a coating method using the coating composition.
또한 본 발명은 코팅시 다양한 광학적 효과를 가지므로 디자인의 다양성으로 인해 소비자의 기호충족과 품질의 고급화를 실현시킬 수 있는 광학적 효과를 갖는 코팅조성물 및 상기 코팅조성물을 이용한 코팅방법을 제공하는 것을 목적으로 한다.In addition, the present invention has a variety of optical effects during the coating, so the purpose of providing a coating composition having an optical effect and a coating method using the coating composition that can realize the satisfaction and preference of the consumer due to the diversity of design do.
상기와 같은 목적을 달성하기 위하여, 본 발명은 일 실시예로서 수지조성물 100중량부당 유기용매 5-20중량부를 배합한 후, 광호환성 화합물 0.05-0.5중량부를 배합하는 것을 특징으로 하는 광학적 효과를 갖는 코팅조성물을 제공한다.In order to achieve the object as described above, the present invention has an optical effect, characterized in that 5 to 5 parts by weight of an organic solvent per 100 parts by weight of a resin composition, and then 0.05 to 0.5 parts by weight of a photocompatible compound. It provides a coating composition.
본 발명은 일 실시예로서 자외선흡수제, 산화방지제, 광안정제 및 습윤제 중 하나 이상을 더 포함하는 것을 특징으로 하는 광학적 효과를 갖는 코팅조성물을 제공한다.The present invention provides a coating composition having an optical effect, characterized in that it further comprises one or more of an ultraviolet absorber, antioxidant, light stabilizer and wetting agent as an embodiment.
본 발명은 일 실시예로서 상기 수지조성물 100중량부에 대해 상기 자외선흡수제는 0.001 -0.003 중량부, 상기 산화방지제는 0.002-0.006중량부, 상기 광안정제는 0.003- 0.006중량부가 포함되고, 상기 습윤제는 wash burn공식에 의해 그 함량이 결정되며 0-5중량부가 포함되는 것을 특징으로 하는 광학적 효과를 갖는 코팅조성물을 제공한다.According to an embodiment of the present invention, the UV absorber is 0.001-0.003 parts by weight, the antioxidant is 0.002-0.006 parts by weight, the light stabilizer is 0.003- 0.006 parts by weight, and the humectant is contained in 100 parts by weight of the resin composition. The content is determined by the wash burn formula to provide a coating composition having an optical effect, characterized in that it contains 0-5 parts by weight.
본 발명은 일 실시예로서 상기 수지조성물은 알키드 수지 10~20중량%, 아크릴 수지 0~10중량%, 니트로 셀룰로오즈 0~5중량%, 크롬납 0~15중량%, 크실렌 10~20중량%, 노르말부틸 아세테이트0~10중량%, 톨루엔15~20중량%, MIBK 0~10중량%, 부틸 셀로솔브 0~5중량%, 이소 부탄올 0~10중량%, 에틸 아세테이트 0~10중량%, 이소프로필 0~5중량%를 포함하는 것을 특징으로 하는 광학적 효과를 갖는 코팅조성물을 제공한다.In one embodiment of the present invention, the resin composition is 10 to 20% by weight of alkyd resin, 0 to 10% by weight of acrylic resin, 0 to 5% by weight of nitro cellulose, 0 to 15% by weight of chromium lead, 10 to 20% by weight of xylene, Normal butyl acetate 0-10%, toluene 15-20%, MIBK 0-10%, butyl cellosolve 0-5%, isobutanol 0-10%, ethyl acetate 0-10%, isopropyl It provides a coating composition having an optical effect, characterized in that it comprises 0 to 5% by weight.
본 발명은 일 실시예로서 상기 수지조성물은 N-부틸 아세테이트 5~20중량%, 우레탄수지 70~80중량%, 톨루엔 5~20중량%, 및 크실렌 5~20중량%를 포함하는 것을 특징으로 하는 광학적 효과를 갖는 코팅조성물을 제공한다.According to an embodiment of the present invention, the resin composition may include 5-20 wt% of N-butyl acetate, 70-80 wt% of urethane resin, 5-20 wt% of toluene, and 5-20 wt% of xylene. It provides a coating composition having an optical effect.
또한 본 발명은 일 실시예로서 상기 수지조성물은 에폭시수지 50-70중량%, 피페라진 20-40중량%, N-아미노에틸 5-15중량%를 포함하는 것을 특징으로 하는 광학적 효과를 갖는 코팅조성물을 제공한다.In another aspect, the present invention is a coating composition having an optical effect, characterized in that the resin composition comprises 50-70% by weight epoxy resin, 20-40% by weight piperazine, 5-15% by weight N-aminoethyl To provide.
본 발명은 일 실시예로서 상기 유기용매는 클로로포름과 메틸클로라이드, 메틸에틸케톤이 각각 1-4: 1-4: 3-5의 중량비로 배합된 것을 특징으로 하는 광학적 효과를 갖는 코팅조성물을 제공한다.In one embodiment, the organic solvent provides a coating composition having an optical effect, wherein the organic solvent is chloroform, methyl chloride, and methyl ethyl ketone in a weight ratio of 1-4: 1-4: 3-5. .
본 발명은 일 실시예로서 상술한 코팅조성물을 성형물에 도포하는 단계; 고온에서 1차 건조하는 단계; 저온에서 2차 건조하는 단계; 및 고온에서 3차 건조하는 단계를 포함하는 코팅방법을 제공한다.The present invention is the step of applying the above-described coating composition to the molding as an embodiment; Primary drying at high temperature; Secondary drying at low temperature; And it provides a coating method comprising the step of tertiary drying at high temperature.
본 발명은 일 실시예로서 1차 및 3차 건조하는 단계는 80-100℃에서 40-60분 동안 건조하는 것을 특징으로 하는 코팅방법을 제공한다.The present invention provides a coating method, characterized in that the first and third drying step is dried for 40-60 minutes at 80-100 ℃ as an embodiment.
본 발명은 일 실시예로서 2차 건조하는 단계는 -5 - 10℃에서 20-40분 동안 건조하는 것을 특징으로 하는 코팅방법을 제공한다.The present invention provides a coating method, characterized in that the second drying step is dried for 20-40 minutes at -5-10 ℃.
이하, 본 발명을 상세하게 설명한다.EMBODIMENT OF THE INVENTION Hereinafter, this invention is demonstrated in detail.
본 발명은 적당한 온도를 가열하면 유연하게되어 밖에서 힘을 가할 때 용이하게 변형되므로 이 상태로 성형 가공한 다음 냉각하면 그 후 밖에서 힘을 주지 않아도 그대로 그 형태로 안정하게 유지하는 열경화성(요소계, 멜라민계, 페놀계, 불포화 에스테르계, 에폭시계, 레졸시놀리계등)수지 및 적당한 온도로 가열해도 연화되지 않으며 원형으로 돌아오지 않는 열가소성(초산비닐계, 아크릴계, 폴리아미드계, 염화비닐계, 폴리에틸렌계등)수지조성물과 광호환성화합물을 이용하여 광학적효과를 가진 코팅조성물 및 상기 광학적 효과를 가진 코팅조성물을 이용한 코팅방법에 대해 개시한다.The present invention is flexible when heated to a suitable temperature, and is easily deformed when exerted by an external force. Thus, after molding and cooling in this state, the thermosetting property (urea-based, melamine) remains stable in its form without applying external force thereafter. Resins, phenolic, unsaturated ester, epoxy, resorcinoli, etc. and thermoplastics (vinyl acetate, acryl, polyamide, vinyl chloride, polyethylene) Disclosed are a coating composition having an optical effect using a resin composition and a photocompatible compound, and a coating method using the coating composition having the optical effect.
광호환성 화합물은 가역적인 포토트로피(phototropy) 또는 포토크로미즘(photochromism) 을 나타내는 화합물을 의미하는 것으로서, 광 반응에 의해 무색으로부터 유색으로 유색으로부터 무색으로 변하는 화합물을 지칭한다. 이러한 화합물은 용액 또는 고체 상태에서 특정 파장의 광을 조사하면 화학구조가 변화하며 이에 따라 흡수 스펙트럼도 변화하지만, 다른 파장의 광을 조사하거나 어두운 곳에 방치하면 처음 상태로 되돌아가는 특성을 지니고 있다. 광호환성 화합물의 구체적인 예를 들면, 무기화합물로는 할로겐화은 등이 있고, 유기화합물로는 많은 종류가 알려져 있으나, 반응양식에 따라 이중결합의 이성화에 의한 것(아조벤젠 및티오인디고), 수소이동에 의한 호환성에 기초한 것(살리실리덴 아닐린), 페리 환상반응에 의한 것(푸르기드), 환상 부가반응을 일으키는 것(안트라센), 결합의 이온계열을 나타내는 것(트리페닐메탄, 스피로피란) 등이 있다. 그 중에서 대표적으로 스피로피란계 화합물의 광반응을 반응식으로 나타내면 하기 반응식 1과 같다.The photocompatible compound refers to a compound exhibiting reversible phototropy or photochromism, and refers to a compound that changes from colorless to colored by color reaction to colored to colorless. Such a compound changes its chemical structure when irradiated with light of a specific wavelength in a solution or solid state, and accordingly changes its absorption spectrum, but has a property of returning to its initial state when irradiated with light of a different wavelength or left in a dark place. Specific examples of the photocompatible compounds include inorganic halides and silver halides. Many organic compounds are known. However, depending on the reaction mode, double bond isomerization (azobenzene and thioindigo) and hydrogen transfer are used. One based on compatibility (salicylidene aniline), one by ferry cyclic reactions (purgid), one causing cyclic addition reactions (anthracene), and one indicating ionic series of bonds (triphenylmethane, spiropyrane). . Representatively, the photoreaction of a spiropyrane compound is represented by Scheme 1 below.
반응식 1Scheme 1
본 발명의 코팅조성물에 포함되는 광호환성 화합물로는 상술한 모든 종류의 화합물을 사용할 수 있으나, 특히 스피로피란계 화합물, 스피로옥사진계 화합물 및 나프토피란계 화합물을 사용하는 것이 바람직하다. 이와 같은 광호환성 화합물은 당업계에서 중성용매에 사용할 수 있는 중성으로 가공되거나 수성용매에 사용할 수 있도록 수성상태로 가공되거나 자연 그대로인 파우더형태(유성임)로 제공되는데, 본 발명에서는 파우더 형태를 사용하는 것이 바람직하다.As the photocompatible compound included in the coating composition of the present invention, all the above-described compounds may be used, but it is particularly preferable to use a spiropyrane compound, a spiroxazine compound and a naphthopyrane compound. Such photocompatible compounds are provided in the form of powders (oily) which are processed in neutral or processed in an aqueous state for use in aqueous solvents or used in aqueous solvents in the art. It is preferable.
본 발명의 코팅조성물에 포함되는 수지조성물로는 상술한 바와 같이 열경화성수지와 열가소성수지가 모두 사용될 수 있으나 아크릴계 수지, 우레탄계수지 및 에폭시계수지가 바람직하다. 보다 바람직하게는 본 발명의 코팅조성물에서 사용되는 수지조성물로서 아크릴계수지를 사용할 경우는 알키드 수지 10~20중량%, 아크릴 수지 0~10중량%, 니트로 셀룰로오즈 0~5중량%, 크롬납 0~15중량%, 크실렌 10~20중량%, 노르말부틸 아세테이트0~10중량%, 톨루엔15~20중량%, MIBK0~10중량%, 부틸 셀로솔브 0~5중량%, 이소 부탄올 0~10중량%, 에틸 아세테이트 0~10중량%, 이소프로필 0~5중량%를 포함하는 것이고, 우레탄계 수지를 사용할 경우는 N-부틸 아세테이트 5~20중량%, 우레탄수지 70~80중량%, 톨루엔 5~20중량%, 및 크실렌 5~20중량%를 포함하는 것이며, 에폭시계 수지를 사용할 경우는 에폭시수지 50-70중량%, 피페라진 20-40중량%, N-아미노에틸 5-15중량%를 포함하는 것이다.As the resin composition included in the coating composition of the present invention, both the thermosetting resin and the thermoplastic resin may be used as described above, but acrylic resins, urethane resins, and epoxy resins are preferable. More preferably, when using acrylic resin as the resin composition used in the coating composition of the present invention, 10 to 20% by weight of alkyd resin, 0 to 10% by weight of acrylic resin, 0 to 5% by weight of nitro cellulose, and 0 to 15% of chromium lead % By weight, 10-20% by weight of xylene, 0-10% by weight of normal butyl acetate, 15-20% by weight of toluene, 0-10% by weight of MIBK0, 0-5% by weight of butyl cellosolve, 0-10% by weight of isobutanol, ethyl It contains 0 to 10% by weight of acetate and 0 to 5% by weight of isopropyl, and when using a urethane resin, 5 to 20% by weight of N-butyl acetate, 70 to 80% by weight of urethane resin, 5 to 20% by weight of toluene, And it contains 5 to 20% by weight of xylene, when using an epoxy resin 50-70% by weight epoxy resin, 20-40% by weight piperazine, 5-15% by weight N-aminoethyl.
한편, 본 발명의 코팅조성물은 포함되는 구성요소를 모두 용해시킬 수 있는 유기용매로서, 클로로포름, 메틸클로라이드 및 메틸에틸케톤으로 구성된 그룹에서 선택된 하나 이상을 사용할 수 있고, 보다 바람직하게는 클로로포름과 메틸클로라이드, 메틸에틸케톤이 각각 1-4: 1-4: 3-5의 중량비로 배합된 것을 사용하는 것이다.On the other hand, the coating composition of the present invention, as an organic solvent that can dissolve all the components included, may be used at least one selected from the group consisting of chloroform, methyl chloride and methyl ethyl ketone, more preferably chloroform and methyl chloride And methyl ethyl ketone are used in which they are each formulated in a weight ratio of 1-4: 1-4: 3-5.
본 발명의 코팅조성물은 광학적 효과를 보다 개선하기 위해 자외선흡수제, 산화방지제, 광안정제 및 습윤제 중 하나 이상을 더 포함할 수 있는데, 보다 바람직하게는 수지조성물 100중량부에 대해 상기 자외선흡수제는 0.001 -0.003 중량부, 상기 산화방지제는 0.002-0.006중량부, 상기 광안정제는 0.003- 0.006중량부가 포함되는 것이고, 상기 습윤제는 wash burn공식에 의해 그 함량이 결정되는데 0-5중량부가 바람직하다.The coating composition of the present invention may further include at least one of a UV absorber, an antioxidant, a light stabilizer and a humectant in order to further improve the optical effect. More preferably, the UV absorber may be used in an amount of 0.001 to 100 parts by weight of the resin composition. 0.003 parts by weight, the antioxidant is 0.002-0.006 parts by weight, the light stabilizer is contained 0.003- 0.006 parts by weight, the content of the humectant is determined by the wash burn formula 0-5 parts by weight is preferred.
본 발명에 따른 코팅조성물은 다음과 같은 순서로 배합되어 제조되는 것이 바람직하다.The coating composition according to the present invention is preferably prepared by mixing in the following order.
(수지조성물)(Resin composition)
++
(유기용매)(Organic solvent)
++
{광호환성화합물(powder형태)+(자외선흡수제,산화방지제,광안정제 중 하나 이상)}{Photocompatible Compound (powder form) + (At least one of UV absorber, antioxidant, light stabilizer)}
++
습윤제Humectant
상술한 순서대로 배합된 배합물을 600rpm에서 3~5/분 동안 교반하여 본 발명에 따른 광학적 효과를 갖는 코팅조성물을 제조할 수 있다.The formulation blended in the order described above may be stirred at 600 rpm for 3-5 / min to produce a coating composition having the optical effect according to the present invention.
다음으로 본 발명의 코팅조성물에 포함되는 습윤제의 함량은 다음과 같은 wash burn공식에 의해 결정된다.Next, the content of the humectant included in the coating composition of the present invention is determined by the following wash burn formula.
*wash burn공식* wash burn formula
V=k*√n*cosθ* r³/ℓηV = k * √n * cosθ * r³ / ℓη
-V; 습윤속도-V; Wetting speed
-k: 상수-k: constant
-√n: 액상의 표면장력-√n: surface tension of liquid phase
-θ: 접촉각-θ: contact angle
-r: 안료 응집체 간의 가공의 반경-r: radius of processing between pigment aggregates
-ℓ: 안료 응집체 간의 가공의 길이-l: length of processing between pigment aggregates
-η: 액상의 점도-η: viscosity of liquid phase
*표면장력 (에폭시 45-60, 멜라민 42-58, PVA 37)Surface tension (epoxy 45-60, melamine 42-58, PVA 37)
용제 (물 73, 크실렌 29-30)Solvent (Water 73, Xylene 29-30)
다음으로 이와 같이 배합되어 제조된 코팅조성물을 광호환성 효과를 얻고자 하는 성형물에 도포하는 방법에 대해 살펴보면, 준비된 코팅조성물을 원하는 성형물에 공지된 방법을 이용하여 도포한다. 이렇게 코팅조성물을 원하는 성형물에 도포한 후 80-100℃의 고온에서 40-60분 동안 1차로 건조한다. 이와 같이 건조한 후 다시 -5 - 10℃의 저온에서 20-40분 동안 2차로 건조하고, 1차 건조와 동일한 조건에서 3차 건조하게 되면 광호환성 화합물을 포함한 코팅조성물의 특성이 잘 발휘될 수 있는 조건으로 원하는 성형물에 코팅이 완성되게 된다.Next, a method of applying the coating composition prepared and blended to a molding to obtain a photocompatibility effect will be described. The prepared coating composition is applied to a desired molding using a known method. The coating composition is applied to the desired molding and dried first for 40-60 minutes at a high temperature of 80-100 ° C. After drying as described above, the second drying was performed again at a low temperature of -5-10 ° C. for 20-40 minutes, and the third drying was carried out under the same conditions as the first drying. The conditions result in a coating on the desired molding.
실시예1Example 1
아크릴계 수지조성물(알키드 수지 20중량%, 아크릴 수지 10중량%, 니트로 셀룰로오즈 5중량%, 크롬납 15중량%, 크실렌 15중량%, 톨루엔 15중량%, MIBK 4중량%, 부틸 셀로솔브 4중량%, 이소 부탄올 4중량%, 에틸 아세테이트 4중량%, 이소프로필 4중량%)100중량부, 유기용매 10중량부(클로로포름 30중량%, 메틸렌클로라이드 30중량5, 메틸에틸케톤 40중량% 배함됨), 광호환성 화합물 0.2중량부, 자외선흡수제 0.002중량부, 산화방지제 0.003중량부, 광안정제 0.004중량부를 순차적으로 배합한 후 wash burn 공식에 의해 결정된 습윤제 2중량부를 배합하여 광학적 효과를 갖는 코팅조성물1을 제조하였다.Acrylic resin composition (20 wt% alkyd resin, 10 wt% acrylic resin, 5 wt% nitro cellulose, 15 wt% chromium lead, 15 wt% xylene, 15 wt% toluene, 4 wt% MIBK, 4 wt% butyl cellosolve, 4 parts by weight of isobutanol, 4% by weight of ethyl acetate, 4% by weight of isopropyl), 10 parts by weight of organic solvent (30% by weight of chloroform, 30% by weight of methylene chloride, 40% by weight of methyl ethyl ketone), light 0.2 parts by weight of a compatible compound, 0.002 parts by weight of an ultraviolet absorber, 0.003 parts by weight of an antioxidant, and 0.004 parts by weight of a light stabilizer were added in order, and then a coating composition 1 having an optical effect was prepared by combining 2 parts by weight of a wetting agent determined by a wash burn formula. .
실시예2Example 2
수지조성물로서 아크릴계가 아닌 우레탄계 수지조성물(N-부틸 아세테이트 10중량%, 우레탄수지 75중량%, 톨루엔 10중량%, 및 크실렌 5중량%)을 사용한 것을 제외하면 실시예1과 동일한 방법으로 광학적 효과를 갖는 코팅조성물2를 제조하였다.Except for using a non-acrylic urethane resin composition (10% by weight of N- butyl acetate, 75% by weight of urethane resin, 10% by weight of toluene, and 5% by weight of xylene) as a resin composition in the same manner as in Example 1 The coating composition 2 was prepared.
실시예3Example 3
수지조성물로서 아크릴계가 아닌 에폭시계 수지조성물(에폭시수지 65중량%, 피페라진 25중량%, N-아미노에틸 10중량%)을 사용한 것을 제외하면 실시예1과 동일한 방법으로 광학적 효과를 갖는 코팅조성물3을 제조하였다.Coating composition having an optical effect in the same manner as in Example 1, except that an epoxy resin composition (65% by weight of epoxy resin, 25% by weight of piperazine, 10% by weight of N-aminoethyl) was used as the resin composition. Was prepared.
실시예4Example 4
본 발명의 실시예1 내지 3에 의해 제조된 코팅조성물1내지 3을 준비한 후, 상기 준비된 코팅조성물1내지 3을 금속악세사리1 내지 3에 공지된 방법을 이용하여 도포하였다. 도포된 금속악세사리1내지 3을 100℃에서 40분 동안 1차로 건조한 후-5℃의 저온에서 40분 동안 2차로 건조하고, 1차 건조와 동일한 조건에서 3차 건조하여 본 발명의 광호환성 화합물을 포함한 코팅조성물의 코팅된 금속악세사리1내지 3을 얻었다.After preparing the coating composition 1 to 3 prepared by Examples 1 to 3 of the present invention, the prepared coating composition 1 to 3 was applied using a method known in metal accessories 1 to 3. The coated metal accessories 1 to 3 were first dried at 100 ° C. for 40 minutes, and then dried secondly at a low temperature of −5 ° C. for 40 minutes, and dried three times under the same conditions as the first drying to obtain the photocompatible compound of the present invention. Coated metal accessories 1 to 3 of the coating composition was obtained.
실시예4에서 얻어진 금속악세사리1 내지 3은 자외선 노출시 광호환효과가 우수할 뿐만 아니라 산화에도 강하여 금속악세사리의 내구성을 연장시켜주는 효과가있다.Metal accessories 1 to 3 obtained in Example 4 is not only excellent in the optical compatibility effect when exposed to ultraviolet rays, but also resistant to oxidation, and has the effect of extending the durability of the metal accessories.
본 발명은 상술한 특정의 바람직한 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.The present invention is not limited to the above-described specific preferred embodiments, and various modifications can be made by any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims. Of course, such changes will fall within the scope of the claims.
이상에서 살펴본 바와 같이, 본 발명에 따른 광학적 효과를 갖는 코팅조성물 및 코팅방법은 다음과 같은 효과를 갖는다.As described above, the coating composition and the coating method having the optical effect according to the present invention has the following effects.
먼저, 본 발명의 코팅조성물 및 코팅방법으로 코팅하게 되면 빛의 양에 따라 색깔이 변하는 광학적 효과를 가지므로 자외선의 양을 파악할 수 있을 뿐만 아니라 다양한 칼라 연출이 가능하다.First, when the coating composition and the coating method of the present invention has an optical effect of changing the color according to the amount of light, it is possible to grasp the amount of ultraviolet rays as well as to produce various colors.
또한 본 발명의 코팅조성물 및 코팅방법으로 코팅하게 되면, 금속류의 산화를 방지하고 내약품성 및 내수성을 가진다.In addition, when the coating composition and the coating method of the present invention is coated, it prevents oxidation of metals and has chemical resistance and water resistance.
또한 본 발명의 코팅조성물 및 코팅방법에 의해 코팅된 제품은 다양한 광학적 효과를 가지므로 디자인의 다양성으로 인해 소비자의 기호충족과 품질의 고급화를 실현시킬 수 있다.In addition, the product coated by the coating composition and the coating method of the present invention can have a variety of optical effects and can realize the consumer's preference and quality of the quality due to the variety of designs.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030052334A KR100466820B1 (en) | 2003-07-29 | 2003-07-29 | Coating composition with photochromic effects and method for coating by thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020030052334A KR100466820B1 (en) | 2003-07-29 | 2003-07-29 | Coating composition with photochromic effects and method for coating by thereof |
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| Publication Number | Publication Date |
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| KR100466820B1 true KR100466820B1 (en) | 2005-01-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020030052334A KR100466820B1 (en) | 2003-07-29 | 2003-07-29 | Coating composition with photochromic effects and method for coating by thereof |
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| Country | Link |
|---|---|
| KR (1) | KR100466820B1 (en) |
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