KR100935808B1 - Ultra-weatherability antipollution process over nonflammable ceramic coating materials and fluorine resins - Google Patents
Ultra-weatherability antipollution process over nonflammable ceramic coating materials and fluorine resins Download PDFInfo
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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
- B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
- B05D5/08—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface
- B05D5/083—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain an anti-friction or anti-adhesive surface involving the use of fluoropolymers
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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
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
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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
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/50—Multilayers
- B05D7/56—Three layers or more
- B05D7/58—No clear coat specified
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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
- C09D1/00—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances
- C09D1/02—Coating compositions, e.g. paints, varnishes or lacquers, based on inorganic substances alkali metal silicates
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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
- B05D2202/00—Metallic substrate
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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
- B05D2202/00—Metallic substrate
- B05D2202/10—Metallic substrate based on Fe
- B05D2202/15—Stainless steel
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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
- B05D2202/00—Metallic substrate
- B05D2202/20—Metallic substrate based on light metals
- B05D2202/25—Metallic substrate based on light metals based on Al
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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
- B05D2203/00—Other substrates
- B05D2203/20—Wood or similar material
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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
- B05D2203/00—Other substrates
- B05D2203/30—Other inorganic substrates, e.g. ceramics, silicon
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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
- B05D2518/00—Other type of polymers
- B05D2518/10—Silicon-containing polymers
- B05D2518/12—Ceramic precursors (polysiloxanes, polysilazanes)
Abstract
Description
본 발명은 초내후성 오염방지공법에 관한 것으로서 더욱 상세하게는 철재, 시멘트, 타일, 콘크리트, 아연도금강판, 스테인레스 및 플라스틱류와 같은 피처리물 표면에 코팅 시 인체에 무해하며 불연재료인 세라믹코팅제와 내후성 및 오염방지 기능이 있는 불소수지를 사용함으로써 상기 기재로 된 구조물에 세라믹코팅제와 불소수지가 혼합된 초내후성 오염방지공법에 관한 것이다. The present invention relates to an ultra-weather resistant pollution prevention method, and more particularly, to a ceramic coating agent which is harmless to the human body when coated on a surface of an object such as steel, cement, tile, concrete, galvanized steel sheet, stainless steel, and plastics. By using a fluorine resin having a weather resistance and anti-fouling function, the present invention relates to a super weather resistant pollution prevention method in which a ceramic coating agent and a fluorine resin are mixed in a structure based on the substrate.
철근 콘크리트 등으로 된 구조물의 벽면 및 각종 시설물에는 대기 중의 유,무기물질이 흡착되어 여러 곰팡이 및 세균이 번식할 수 있는 적당한 환경이 제공된다. 이는 인간의 건강을 위협하고 있으며, 곰팡이뿐만 아니라 각종 광고물이 부착되어 도시 미관을 저해하고 있어 구조물에 오염방지 코팅이 요구되고 있다. 또한, 침투수로부터 구조물을 효과적으로 차단시킬 수 있는 피막을 형성하기 위하여 수밀성을 확보해야하는 등 부착강도, 내후성, 방오성능이 탁월한 코팅공법이 요구되고 있다. Walls and other facilities of structures made of reinforced concrete are adsorbed with organic and inorganic materials in the atmosphere to provide a suitable environment for the growth of various molds and bacteria. This threatens human health, and various advertising materials are attached to not only molds, but also to hinder the aesthetics of the city. In addition, there is a need for a coating method that is excellent in adhesion strength, weather resistance, and antifouling performance, such as watertightness should be secured in order to form a film that can effectively block a structure from infiltration water.
기존 코팅제는 가수분해 매체인 알콜 및 물 등의 용매에 콜로이드 실리카 분산액 또는 실리카겔 등의 실리카를 첨가한 다음, 가수분해를 할 수 있는 실리콘 알콕사이드와 혼합하여 내마모성 코팅제를 제조하는 방법이 미합중국 특허 제3,708,225 호, 제3,976,497호, 제3,986,997호, 제4,027,073호, 제4,159,206호 및 제4,117,315호에 기술되어 있다. Existing coating agent is a method of preparing a wear-resistant coating agent by adding a colloidal silica dispersion or silica, such as silica gel to a solvent such as alcohol and water as a hydrolysis medium, and then mixed with a hydrolyzable silicon alkoxide. , 3,976,497, 3,986,997, 4,027,073, 4,159,206 and 4,117,315.
한편, 우천시 유리에 닿은 빗방울이 창유리 표면에 달라붙는 것을 방지하기 위한 소수성 처리제로서 알킬폴리실록산, 무기산 및 수계 용매로 제조하는 방법이 미합중국 특허 제3,579,540호, 일본국 특허공개공보 제1975-15473호 등에 기술되어 있다. On the other hand, as a hydrophobic treatment agent for preventing raindrops on the glass from sticking to the window glass during rainy weather, a method of preparing with alkyl polysiloxane, an inorganic acid and an aqueous solvent is described in US Patent No. 3,579,540 and Japanese Patent Publication No. 1975-15473. It is.
그러나 종래의 기능성 코팅제는 한두 가지의 제한된 성능 밖에 제공하지 못하는 제한적인 문제점이 있었으며, 종래의 유기화합물계 코팅제(에폭시수지, 우레탄수지, 아크릴수지 등)은 콘크리트와의 열팽창계수, 탄성계수의 차이 등으로 인해 접착강도가 저하되고, 햇빛에 장기간 노출 시 변색되며, 결로현상 및 들뜸현상이 발생되는 문제가 있었다. However, the conventional functional coating agent has a limited problem that can provide only one or two limited performance, the conventional organic compound coating agent (epoxy resin, urethane resin, acrylic resin, etc.) and the thermal expansion coefficient, the difference in elastic coefficient, etc. Due to this, the adhesive strength is lowered, discolored upon prolonged exposure to sunlight, and condensation and lifting occur.
본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 코팅하고자하는 기재의 표면에 세라믹코팅제 및 불소수지를 이용하여 내후성, 부착강도 및 발수성이 탁월한 오염방지 공법을 제공함으로써 기재의 특성을 획기적으로 향상시키는 데 그 목적이 있다.The present invention has been made to solve the above problems, by using a ceramic coating agent and a fluorine resin on the surface of the substrate to be coated to provide an anti-pollution method excellent in weather resistance, adhesion strength and water-repellent properties to dramatically improve the characteristics of the substrate The purpose is to improve.
상기와 같은 목적을 달성하기 위하여 본 발명에 따른 초내후성 오염방지 공법은 기재 표면 위를 고압수세정기를 이용하여 청소하고 보수하는 표면처리단계, 상기 콘크리트 보수단면 부위에 하도용 세라믹코팅제를 도포하는 하도처리단계, 상기 하도처리단계 후 하도용 세라믹코팅제에 각종 색상의 무기안료 및 나노크기의 실리카졸, 티타늄졸, 알루미나졸이 첨가된 중도용 세라믹코팅제를 코팅하는 중도처리단계, 상기 중도처리단계 후 하도용 세라믹코팅제 및 불소수지가 함유된 상도용 세라믹코팅제를 코팅하는 상도처리단계로 이루어져 있다. 즉 표면처리단계, 하도처리단계, 중도처리단계, 상도처리단계를 순차적으로 수행하여 상기 구조물의 표면을 초내후성 오염방지 기능을 부여한다.In order to achieve the above object, the ultra-weather resistant pollution prevention method according to the present invention is a surface treatment step of cleaning and repairing the surface of the substrate using a high-pressure water cleaner, and applying the ceramic coating agent for the undercoat to the concrete repair section. After the treatment step, after the coating step, the coating method for coating the ceramic coating agent for the inorganic coating of various colors and nano-sized silica sol, titanium sol, alumina sol added to the ceramic coating agent for the undercoat, after the intermediate treatment step It consists of a top coat treatment step of coating a ceramic coating agent for the coating containing a ceramic coating agent and a fluororesin. That is, the surface treatment step, the undercoating treatment step, the intermediate treatment step, the topcoat step is performed in sequence to give the surface of the structure ultra weather resistant pollution prevention function.
이때 코팅하고자 하는 구조물의 표면은 알루미늄, 콘크리트, 철재, 스테인레스, 아연도금관, 시멘트, 타일, 목재, 세라믹, 플라스틱 및 기타물질이 포함될 수 있다. At this time, the surface of the structure to be coated may include aluminum, concrete, iron, stainless, galvanized pipe, cement, tile, wood, ceramic, plastic and other materials.
본 발명에 따른 초내후성 오염방지공법은 무변색, 불연성의 소재로 하여 여러 구조물의 표면에 코팅 시 접착력이 우수하고 수밀성이 뛰어나며 구조물의 중성화, 철근의 부식, 백화현상 등을 방지한다. 또한, 불소수지를 함유하므로 내후성, 발수기능, 오염방지 및 부착방지기능이 부가된다. 상기한 초내후성 오염방지 공법은 알루미늄, 콘크리트, 철재, 스테인레스, 아연도금관, 시멘트, 타일, 목재, 세라믹, 플라스틱의 어느 것에나 적용이 가능하다.The ultra-weather resistant pollution prevention method according to the present invention is made of a colorless and non-flammable material, and has excellent adhesive strength and excellent watertightness when coating on the surfaces of various structures, and prevents neutralization of structures, corrosion of reinforcing steel, and whitening. In addition, since it contains a fluororesin, weather resistance, water repellency, contamination prevention and adhesion prevention are added. The ultra-weather resistant pollution prevention method is applicable to any of aluminum, concrete, iron, stainless steel, galvanized pipe, cement, tile, wood, ceramic, plastic.
본 발명은 알루미늄, 콘크리트, 철재, 스테인레스, 아연도금관, 시멘트, 타일, 목재, 세라믹, 플라스틱 기재의 피처리물에 세라믹코팅제와 불소수지를 코팅시켜 오염을 방지하는 공법에 있어서, 피처리물의 표면 위를 고압수세정기를 이용하여 청소하고 보수하는 표면처리단계, 상기 피처리물의 보수단면 부위에 하도용 세라믹코팅제를 3~5㎡/L 도포하는 하도처리단계, 상기 하도처리단계 후 하도용 세라믹코팅제에 무기안료 및 나노크기의 실리카, 티타니아, 알루미나졸 중 하나이상이 첨가된 중도용 세라믹코팅제를 3.5~5.5㎡/L 도포하는 중도처리단계, 상기 중도처리단계 후 하도용 세라믹코팅제 및 불소수지가 함유된 상도용 세라믹코팅제를 14~16㎡/L 도포하는 상도처리단계로 이루어지는 것을 특징으로 한다. The present invention is a method of coating a ceramic coating agent and a fluorine resin on a workpiece of aluminum, concrete, iron, stainless, galvanized pipe, cement, tile, wood, ceramic, plastic substrate to prevent contamination, the surface of the workpiece The surface treatment step of cleaning and repairing the stomach using a high pressure water cleaner, a coating process step of applying 3 to 5 m 2 / L of a ceramic coating agent for the lower surface to the repaired section of the object to be treated, and a ceramic coating agent for the after coating process In the intermediate treatment step of applying 3.5 ~ 5.5㎡ / L of the intermediate ceramic coating agent to which at least one of inorganic pigments and nano-sized silica, titania, and alumina sol are added, the ceramic coating agent and the fluorine resin for the after coating are included. It is characterized by consisting of a top coat treatment step of applying 14 to 16 m 2 / L of the top coat ceramic coating agent.
상기 하도용 세라믹코팅제는 메틸트리에톡시실란과 γ-아미노프로필트리에톡시실란을 혼합한 다음 이소프로판올을 넣고 가열 교반시키면서 실리카졸을 적하시킨 후 초산으로 pH를 조절하여 얻은 것을 특징으로 한다. The undercoat ceramic coating agent is obtained by mixing methyltriethoxysilane and γ-aminopropyltriethoxysilane, dropping the silica sol while isopropanol and stirring with heat and then adjusting the pH with acetic acid.
상기 불소수지는 RCH2CH2OH 또는 RCH2CH2OOCCH=CH2를 포함하고, 여기서 R은 CF3(CF2)8인 것을 특징으로 한다.The fluororesin comprises RCH 2 CH 2 OH or RCH 2 CH 2 OOCCH = CH 2 , wherein R is CF 3 (CF 2 ) 8 .
이하 본 발명을 상세히 설명한다. Hereinafter, the present invention will be described in detail.
1. 하도용 세라믹코팅제(폴리실록산)의 제조 1. Preparation of ceramic coating agent (polysiloxane) for undercoat
냉각기 및 교반기가 부착된 5ℓ반응기에 메틸트리에톡시실란 200g, γ-아미노프로필트리에톡시실란 40g을 혼합한 다음 이소프로판올 150g을 넣고 50℃에서 1 시간 동안 가열 교반시키면서 평균 입자 크기가 12nm인 실리카졸(Ludox LS-30, 30 wt% SiO2, Dupont) 50g을 서서히 적하시켰다. 모두 적하시킨 후 초산을 적당량 투입하여 pH를 4로 조정하고 12시간 동안 계속 반응시켜 하도용 세라믹코팅제인 폴리실록산을 얻었다.200 g of methyltriethoxysilane and 40 g of γ-aminopropyltriethoxysilane were mixed in a 5 L reactor equipped with a cooler and a stirrer. Then, 150 g of isopropanol was added thereto, followed by heating and stirring at 50 ° C. for 1 hour, followed by silica sol having an average particle size of 12 nm. 50 g (Ludox LS-30, 30 wt% SiO 2 , Dupont) was slowly added dropwise. After dropping all, adding an appropriate amount of acetic acid to adjust the pH to 4 and continued for 12 hours to obtain a polysiloxane as a ceramic coating agent for the coat.
2. 중도용 세라믹코팅제의 제조 2. Preparation of Intermediate Ceramic Coating Agent
중도용 세라믹코팅제는 하도용 세라믹코팅제에 다양한 색상의 무기안료를 첨가하고 평균입자크기가 25nm인 티타늄졸 50g과 알루미나졸 50g을 첨가하여 제조한다. The intermediate ceramic coating agent is prepared by adding inorganic pigments of various colors to the ceramic coating agent for the undercoat, and adding 50 g of titanium sol and 50 g of alumina sol having an average particle size of 25 nm.
3. 상도용 세라믹코팅제의 제조 3. Preparation of Top Coating Ceramic Coating Agent
상도용 세라믹코팅제는 하도용 세라믹코팅제에 불소수지(FC-C-1022, 한국정밀화학)를 13g 첨가시키고 경화촉매로 트리메틸아민 10g을 가한 후 상온에서 5일간 숙성시켜 상도용 세라믹코팅제를 제조하였다. Top coat ceramic coating agent was added 13g of fluorine resin (FC-C-1022, Korea Fine Chemical) to the bottom coating ceramic coating agent and 10g of trimethylamine was added to the curing catalyst, and then aged at room temperature for 5 days to prepare a topcoat ceramic coating agent.
상기 불소수지는 모든 화합물 중 분자간인력이 가장 작고 표면에너지가 낮다. 일 례로 -CF3기를 갖는 것은 임계표면장력이 6 dyne/cm이고, 메틸기(-CH3)를 갖는 것은 임계표면장력 22~24 dyne/cm인바, -CF3기를 갖는 것은 메틸기(-CH3)를 갖는 것과 비교하여 1/4의 수준으로 표면 코팅시 우수한 발수, 발유 효과를 나타낸다. 또한 불소수지는 오염방지성능과 부착방지성능이 있으나 실제 적용 시에는 불소수지가 고가이어서 경제성 문제도 고려해야 하므로 폴리실록산에 불소수지를 소량 첨가하여 사용하는 것이 좋은 것으로 알려져 있다. 한편, 축합반응을 촉진시키고 코팅제의 저장 안전성을 위해서 촉매의 도입이 요구되는데 촉매로서는 산, 염기 및 금속 유기화합물 등이 있으며, 저장안정성과 경화속도의 균형이 양호한 특성을 갖는 것으로 완충 잠재성 축합 촉매인 나트륨 아세테이트, 칼륨 아세테이트 및 4차 암모늄 카르복실레이트, 트리메틸아민 및 피리딘과 같은 염기성 pH를 갖는 콜로이드 실리카 등이 대표적이다. 상기 불소수지는 RCH2CH2OH 또는 RCH2CH2OOCCH=CH2를 포함하는데, 여기서 R은 CF3(CF2)8을 나타내며, 바람직하게는 RCH2CH2OH(FC-C-1022, 한국정밀화학)을 사용 한다.The fluorine resin has the smallest intermolecular force and low surface energy among all compounds. For example, having a -CF 3 group has a critical surface tension of 6 dyne / cm, and having a methyl group (-CH 3 ) has a critical surface tension of 22-24 dyne / cm, and having a -CF 3 group has a methyl group (-CH 3 ) When the surface coating at a level of 1/4 compared to having a good water and oil repellent effect. In addition, the fluorine resin has anti-pollution performance and adhesion prevention performance, but it is known that it is good to use a small amount of fluorine resin in the polysiloxane because the fluorine resin is expensive in actual application and economical issues must be considered. On the other hand, the catalyst is required to promote the condensation reaction and storage stability of the coating agent. Examples of the catalyst include acids, bases and organic metal compounds, and have a good balance of storage stability and curing rate. Phosphorus sodium acetate, potassium acetate and colloidal silica with basic pH such as quaternary ammonium carboxylate, trimethylamine and pyridine and the like are representative. The fluororesin comprises RCH 2 CH 2 OH or RCH 2 CH 2 OOCCH = CH 2 , wherein R represents CF 3 (CF 2 ) 8 , preferably RCH 2 CH 2 OH (FC-C-1022, Korea Fine Chemicals).
상기 여러 처리단계 중 하도처리단계에서 5㎡/L 초과하여 도포하면 하도용 세라믹코팅제와 콘크리트 면과의 충분한 접착이 일어나지 않아 부착강도가 저하되며, 3㎡/L 미만 도포 시 도포 1회 도장으로 도포할 수 없을 뿐만 아니라(2~3회 도장 필요) 표면조도가 약해서 접착력이 떨어진다. If more than 5㎡ / L is applied in the undercoating step of the various treatment steps, sufficient adhesion between the ceramic coating agent and the concrete surface for the undercoat does not occur, the adhesion strength is lowered, and when applied less than 3㎡ / L applied by one coat Not only can not be done (2 ~ 3 times of painting required) but also the surface roughness is poor adhesion.
중도처리단계에서 2회 도포 시 5.5㎡/L 을 초과하여 도포하면 하도용 세라믹코팅제와의 접착력 및 은폐력이 떨어지며 3.5㎡/L 미만 도포 시 도막에 주름현상이 발생된다. Applying more than 5.5㎡ / L when applied twice in the intermediate treatment step, the adhesive strength and hiding power with the ceramic coating agent for the undercoat is reduced and when the coating is less than 3.5㎡ / L wrinkles occur in the coating.
상도처리단계에서 16㎡/L 을 초과하여 도포하면 내후성 및 발수도가 저하되며 14㎡/L 미만 도포 시 코팅두께가 두꺼워져 깨지는 현상이 발생될 수 있다. If the coating is applied in excess of 16㎡ / L in the top treatment step, the weather resistance and water repellency is lowered, and when the coating is less than 14㎡ / L may be a coating thickness thickening may occur.
이하, 상기한 바와 같은 단계로 이루어지는 본 발명은 하기의 실시예에 의하여 보다 더 잘 이해될 수 있으며, 실시예는 본 발명의 예시 목적을 위한 것일 뿐 본 발명이 이들 실시예에 의해 한정되는 것은 아니다. Hereinafter, the present invention consisting of the steps as described above can be better understood by the following examples, the examples are for illustrative purposes of the present invention, but the present invention is not limited by these examples. .
실시예1) Example 1
첫째, 표면처리단계는 시공 대상 구조물의 표면에 먼지, 오일, 왁스, 양생제, 백화, 레이턴스 등과 같은 이물질 부위를 고압수세정기를 이용하여 깨끗하게 청소한 후 크랙이나 파손된 소재는 필요시 보수작업을 한다. First, in the surface treatment step, clean the foreign substances such as dust, oil, wax, curing agent, whitening, and lattices on the surface of the construction object by using a high pressure water cleaner. Do it.
둘째, 하도처리단계에서 스프레이를 사용하여 상기 하도용 세라믹코팅제를 시멘트 몰탈 위에 1회 도포한다(도포량 : 4㎡/L). Secondly, in the coating process step, the coating is applied on the cement mortar once using the spray (coating amount: 4 m 2 / L).
셋째, 중도처리단계에서 상기 중도용 세라믹코팅제는 붓, 롤러, 스프레이로 사용가능하며, 도막두께는 60㎛로 스프레이 도포 시 2회 도포(도포량 : 4.5㎡/L)하며 시공장비로 에어리스건 또는 페인트건을 사용한다. Third, the intermediate ceramic coating agent can be used as a brush, roller, spray in the intermediate treatment step, the coating thickness is 60㎛ 2 times when spraying spraying (coating amount: 4.5㎡ / L) and the construction equipment airless gun or paint Use the gun.
마지막으로 상도처리단계에서 상기 상도용 세라믹코팅제는 붓, 롤러, 스프레이로 사용가능하며, 도막두께는 10㎛로 스프레이 도포 시 1회 도포(도포량 : 15㎡/L)하며 시공장비로 에어리스건 또는 페인트건을 사용한다. Finally, in the top coat process, the top coat ceramic coating agent can be used as a brush, roller, spray, and the coating thickness is 10㎛ and applied once when spraying (coating amount: 15㎡ / L) and the airless gun or paint as a construction equipment. Use the gun.
실시예 2) Example 2
상기의 실시예 1에서 불소수지를 26g 첨가한 것 외에는 실시예 1과 동일하게 제조 및 도장하였다. Except that 26g of fluorine resin was added in Example 1, it was prepared and coated in the same manner as in Example 1.
비교예 1)Comparative Example 1)
상기의 실시예 1에서 하도처리단계를 제외한 것 외에는 실시예 1과 동일하게 제조 및 도장하였다. Except for the undercoating step in Example 1 above was prepared and painted in the same manner as in Example 1.
비교예 2) Comparative Example 2)
상기의 실시예 1에서 상도처리단계를 제외한 것 외에는 실시예 1과 동일하게 제조 및 도장하였다. Except for the top treatment step in Example 1 above was prepared and painted in the same manner as in Example 1.
위 실시예 1, 2 및 비교예 1, 2의 성능비교표를 아래 표1에 나타내었다. 부착강도 측정방법은 시멘트 몰탈 위에 KS F 4929에 준하여 표준상태의 부착강도를 측정하였고, 내후성 시험방법은 KS M ISO 4892-3에 준하여 촉진내후성 실험을 하였다. 발수성테스트는 20cm X 20cm 유리시험편 위에 실시예 1, 2 및 비교예 1, 2에서 얻어진 조성물을 코팅시켜 150℃에서 20분간 건조한 후 JIS-S-1092 스프레이법으로 발수도를 측정하였는데, 발수도는 100 : 표면에 부착된 습기가 없는 정도, 90 : 표면에 부착된 습기가 약간 있는 정도, 80 : 표면에 물방울로 약간 젖은 정도, 70 : 표면에 상당한 부분이 젖은 정도를 나타낸다. The performance comparison tables of Examples 1 and 2 and Comparative Examples 1 and 2 are shown in Table 1 below. The bond strength was measured on cement mortar according to KS F 4929, and the weather resistance test was carried out according to KS M ISO 4892-3. In the water repellency test, the compositions obtained in Examples 1 and 2 and Comparative Examples 1 and 2 were coated on a 20 cm X 20 cm glass test piece, dried at 150 ° C. for 20 minutes, and water repellency was measured by the JIS-S-1092 spray method. 100: no moisture adhered to the surface, 90: some moisture adhered to the surface, 80: slightly wetted with water droplets on the surface, 70: enough wetted surface.
[표1]Table 1
이상에서 설명한 바와 같이, 본 발명에 따른 초내후성 오염방지 공법은 무변색, 불연성의 소재로 여러 종류의 구조물 표면에 코팅 시 부착강도가 우수하고 불소를 함유하여 발수기능, 내후성 기능이 부가된다. 상기한 초내후성 오염방지 공법은 알루미늄, 콘크리트, 철재, 스테인레스, 아연도금관, 시멘트, 타일, 목재, 세라믹, 플라스틱의 어느 것에나 적용이 가능하다.As described above, the ultra-weather resistant pollution prevention method according to the present invention is a colorless, non-flammable material has excellent adhesion strength when coating on the surface of various types of structures and contains fluorine, thereby adding water repellency and weather resistance. The ultra-weather resistant pollution prevention method is applicable to any of aluminum, concrete, iron, stainless steel, galvanized pipe, cement, tile, wood, ceramic, plastic.
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