KR102613375B1 - Eco-friendly paint composition for surface protection of concrete with improved elongation, non-flammable and crack-following properties, and PSK construction method using it - Google Patents
Eco-friendly paint composition for surface protection of concrete with improved elongation, non-flammable and crack-following properties, and PSK construction method using it Download PDFInfo
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- KR102613375B1 KR102613375B1 KR1020230083130A KR20230083130A KR102613375B1 KR 102613375 B1 KR102613375 B1 KR 102613375B1 KR 1020230083130 A KR1020230083130 A KR 1020230083130A KR 20230083130 A KR20230083130 A KR 20230083130A KR 102613375 B1 KR102613375 B1 KR 102613375B1
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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
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Abstract
본 발명은 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호 친환경 도료 조성물 및 이를 이용한 PSK 시공방법에 관한 것이다. 본 발명에 따르면, 콘크리트 구조물 균열부위에 내구성과 내후성이 우수한 신율 및 발수성의 수용성 실리콘 변성아크릴 수지를 포함한 하이브리드 친환경 도료를 이용한 PSK 시공방법을 적용한 향상된 신율, 불연성 및 균열추종성을 제공할 수 있다.The present invention relates to an eco-friendly paint composition for protecting concrete surfaces with improved elongation, incombustibility and crack tracking properties, and a PSK construction method using the same. According to the present invention, improved elongation, incombustibility, and crack followability can be provided by applying a PSK construction method using a hybrid eco-friendly paint containing a water-soluble silicone-modified acrylic resin with excellent elongation and water repellency with excellent durability and weather resistance in cracked areas of concrete structures.
Description
본 발명은 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호용 친환경 도료 조성물 및 이를 이용한 PSK 시공방법에 관한 것으로, 보다 상세하게는 콘크리트 구조물 균열부위에 내구성과 내후성이 우수한 신율 및 발수성의 수용성 실리콘 변성아크릴 수지를 포함하는 하이브리드 친환경 도료를 적용한 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호용 친환경 도료 조성물 및 이를 이용한 PSK 시공방법에 관한 것이다.The present invention relates to an eco-friendly paint composition for protecting concrete surfaces with improved elongation, incombustibility, and crack tracking properties, and a PSK construction method using the same. More specifically, it relates to a water-soluble silicone-modified acrylic with excellent elongation and water repellency with excellent durability and weather resistance in crack areas of concrete structures. It relates to an eco-friendly paint composition for protecting concrete surfaces with improved elongation, non-flammability and crack tracking properties using a hybrid eco-friendly paint containing resin, and a PSK construction method using the same.
콘크리트는 시멘트, 골재, 물 및 기타 혼화재료를 혼합하여 이루어지는 불연속, 이방성 및 비균질성의 경화체로써 그 물리적 및 화학적 특성이 매우 다양하고 복잡하다.Concrete is a discontinuous, anisotropic, and heterogeneous hardened body made by mixing cement, aggregate, water, and other admixtures, and its physical and chemical properties are very diverse and complex.
이러한 콘크리트는 수화반응, 블리딩, 수화열, 소성수축 및 재료들의 서로 다른 특성으로 인하여 제조단계부터 많은 공극 및 미세 균열을 가지며, 시공 후 콘크리트가 경화되면 건조수축과 열응력 및 외부하중 등을 비롯한 여러가지 요인에 의하여 제조단계에서 발생된 미세균열은 균열로 성장하게 된다.Such concrete has many voids and microcracks from the manufacturing stage due to hydration reaction, bleeding, heat of hydration, plastic shrinkage, and different characteristics of the materials. When the concrete hardens after construction, it is affected by various factors including drying shrinkage, thermal stress, and external load. Microcracks generated during the manufacturing stage grow into cracks.
이와 같이 콘크리트 구조물이 갖는 균열은 여러가지 다양한 요인 및 인자들에 의해 발생되며, 콘크리트 구조물에 미치는 영향 또한 가지각색이다.In this way, cracks in concrete structures are caused by various factors and factors, and their effects on the concrete structure are also diverse.
부연하여, 균열은 콘크리트를 구성하는 재료적 요인에 의한 균열, 설계오류로 인한 균열, 시공불량으로 인한 균 열, 하중작용으로 인한 균열로 분류할 수 있으며, 이렇게 발생된 균열은 콘크리트 구조물의 내구성 저하, 철근 부식에 의한 내하력 저하, 수밀성 및 기밀성의 저하, 미관 등에 영향을 미치게 된다.In addition, cracks can be classified into cracks caused by material factors constituting concrete, cracks caused by design errors, cracks caused by poor construction, and cracks caused by load action, and cracks generated in this way reduce the durability of the concrete structure. , load-bearing capacity decreases due to reinforcement corrosion, watertightness and airtightness decrease, and aesthetics are affected.
콘크리트 구조물에서 발생하는 균열로 인하여 수분침투, 누수 및 콘크리트의 중성화가 발생될 수 있고, 그로 인해 철근이 부식되고 철근의 부피가 팽창되어 콘크리트의 탈락이 발생될 수 있다. 상기 콘크리트 탈락으로 인한 인명 또는 차량의 피해가 발생되어 2차 피해의 우려가 있다. 이렇게 콘크리트 도막의 열화 및 전체적인 탈락은 미관을 해치고, 성능을 크게 저하시킬 뿐만 아니라, 나아가 구조체 로서의 역할을 상실시켜 수명을 단축시키게 된다. Cracks that occur in concrete structures can cause moisture infiltration, water leakage, and neutralization of concrete, which can cause corrosion of the reinforcing bars, expansion of the volume of the reinforcing bars, and causing the concrete to fall off. There is a risk of secondary damage due to damage to people or vehicles due to the concrete falling off. This deterioration and overall removal of the concrete coating not only spoils the aesthetics and significantly reduces performance, but also reduces the lifespan by losing its role as a structure.
또한 구조물의 내력이나 내구성 등 모든 기능을 저하시키는 주요 원인으로 구조물의 안전성과 사용성에 심각한 문제를 유발하고 있는 실정이며, 이를 방지하기 위한 업계에 서의 다양한 연구가 수행되고 있다.In addition, it is a major cause of deterioration of all functions such as structural strength and durability, causing serious problems in the safety and usability of structures, and various studies are being conducted in the industry to prevent this.
본 발명의 목적은 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호용 친환경 도료 조성물 및 이를 이용한 PSK 시공방법을 제공하기 위한 것이다.The purpose of the present invention is to provide an eco-friendly paint composition for protecting concrete surfaces with improved elongation, incombustibility, and crack tracking properties, and a PSK construction method using the same.
또한, 본 발명의 다른 목적은 내구성과 내후성이 우수한 신율 및 발수성의 수용성 실리콘 변성아크릴 수지를 포함한 하이브리드 친환경 도료를 이용하여 한 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호용 친환경 도료 조성물 및 이를 이용한 PSK 시공방법을 제공하기 위함이다.In addition, another object of the present invention is to provide an eco-friendly paint composition for protecting concrete surfaces with improved elongation, non-flammability and crack tracking properties using a hybrid eco-friendly paint containing a water-soluble silicone-modified acrylic resin with excellent elongation and water repellency with excellent durability and weather resistance, and PSK using the same. The purpose is to provide a construction method.
또한, 본 발명의 또 다른 목적은 콘크리트 구조물 균열부위를 보수 후 신율, 불연성 및 균열추종성을 갖는 친환경 도료를 이용한 PSK 시공방법을 적용하여 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호용 친환경 도료 조성물 및 이를 이용한 PSK 시공방법을 제공하기 위함이다.In addition, another object of the present invention is to provide an eco-friendly paint composition for protecting concrete surfaces with improved elongation, incombustibility, and crack followability by applying a PSK construction method using an eco-friendly paint with elongation, incombustibility, and crack followability after repairing cracks in concrete structures, and The purpose is to provide a PSK construction method using this.
본 발명의 일측면에 따르면, 본 발명은 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호용 친환경 도료 조성물로서, 상기 친환경 도료 조성물 100중량부에 대하여, 수용성 실리콘 하이브리드 아크릴수지 20~30중량부, 아염소산염계미네랄 15~25중량부, 프로필렌글리콜 1~10중량부, 이산화티타늄 15~20중량부, 이산화규소 1~10중량부, 크리스토발라이트 25~35중량부 및 항균제 1~20중량부;를 포함하며, 상기 수용성 실리콘 하이브리드 아크릴 수지는 아크릴 모노머 : 실리콘 모노머 : 반응개시제 = 1.0~1.5 : 1.0~3.0 : 0.5~1.3 의 중량비로 혼합되어 사용되고, 비중 1.3~1.5 및 고형분용적비 30~45%을 갖는 것을 포함한다.According to one aspect of the present invention, the present invention is an eco-friendly paint composition for protecting concrete surfaces with improved elongation, incombustibility and crack tracking properties, comprising 20 to 30 parts by weight of a water-soluble silicone hybrid acrylic resin, based on 100 parts by weight of the eco-friendly paint composition, Contains 15 to 25 parts by weight of chlorate minerals, 1 to 10 parts by weight of propylene glycol, 15 to 20 parts by weight of titanium dioxide, 1 to 10 parts by weight of silicon dioxide, 25 to 35 parts by weight of cristobalite, and 1 to 20 parts by weight of an antibacterial agent; , the water-soluble silicone hybrid acrylic resin is used by mixing acrylic monomer: silicone monomer: reaction initiator in a weight ratio of 1.0 to 1.5: 1.0 to 3.0: 0.5 to 1.3, and has a specific gravity of 1.3 to 1.5 and a solid volume ratio of 30 to 45%. do.
일 실시예에 있어서, 상기 수용성 실리콘 하이브리드 아크릴수지는 수분흡수제, UV흡수제, UV안정제, 흐름개량제 및 백색안료를 더 포함할 수 있다.In one embodiment, the water-soluble silicone hybrid acrylic resin may further include a moisture absorbent, UV absorber, UV stabilizer, flow improver, and white pigment.
일 실시예에 있어서, 상기 아크릴 모노머는 메틸아크릴레이트 (Methylacrylate), n-부틸아크릴레이트 (n-butylacrylate), n-부틸메타크릴레이트 (n-butylmethacrylate), 메틸메타아크릴레이트 (Methylmethacrylate), 2-에틸헥실아크릴레이트 중합체 (2-Ethylhexylacrylate polymer) 및 아크릴산 공중합체 (Acrylicacid copolymer) 중 선택된 1종 또는 2종 이상의 혼합물을 포함할 수 있다.In one embodiment, the acrylic monomer is methyl acrylate, n-butylacrylate, n-butylmethacrylate, methyl methacrylate, 2- It may contain one type or a mixture of two or more types selected from 2-Ethylhexylacrylate polymer and Acrylicacid copolymer.
일 실시예에 있어서, 상기 실리콘 모노머는 3-메타크릴프로필트리메톡시실란(3-Methacrylpropyltrimethoxysilane), 3-메타크릴옥시프로필트리메톡시실란(3-Methacryloxypropyltrimethoxysilane), 3-아크릴옥시프로필트리메톡시실란(3-acryloxypropyltrimethoxysilane), 3-메르캅토프로필트리메톡시실란(3-mercaptopropyltrimethoxysilane) 및 3-메르캅토프로필트리에톡시실란(3-mercaptopropyltriethoxysilane) 중 어느 하나 이상을 포함할 수 있다.In one embodiment, the silicone monomer is 3-Methacrylpropyltrimethoxysilane, 3-Methacryloxypropyltrimethoxysilane, 3-acryloxypropyltrimethoxysilane (3-acryloxypropyltrimethoxysilane), 3-mercaptopropyltrimethoxysilane (3-mercaptopropyltrimethoxysilane), and 3-mercaptopropyltriethoxysilane (3-mercaptopropyltriethoxysilane).
일 실시예에 있어서, 상기 반응개시제는 과산화벤조일 (Benzoylperoxide), 아조비스디메틸발레로니트릴 (Azobisdimethylvaleronitrile), 아조비스이소부티로니트릴 (Azobisisobutyronitrile), 디터트부틸퍼옥사이드 (Di-tert-butylperoxide), t-부틸하이드로퍼옥사이드 (t-Butylhydroperoxide) 및 t-부틸퍼옥시벤조에이트 (t-Butylperoxybenzoate) 중 어느 하나 이상을 포함할 수 있다.In one embodiment, the reaction initiator is benzoyl peroxide, azobisdimethylvaleronitrile, azobisisobutyronitrile, di-tert-butylperoxide, t -It may contain one or more of t-Butylhydroperoxide and t-Butylperoxybenzoate.
일 실시예에 있어서, 상기 항균제는 점토광물 : 항균성 분말 : 금속이온 = 1.0 : 0.5~1.2 : 0.1~0.3의 중량비로 혼합하여 액상의 천연추출물에 침지시킨 것을 포함하되, 상기 점토광물은 입자크기가 100~300mesh인 카올리나이트, 일라이트, 벤토나이트, 몬모릴로나이트, 라포나이트, 사포나이트 및 고령석 중 선택된 1종 또는 2종 이상의 혼합물을 포함하고, 상기 항균성 분말은 굴패각분말, 잎새버섯분말 및 황토분말 중 선택된 1종 또는 2종 이상의 혼합물을 포함하고, 상기 금속이온은 은(Ag), 구리(Cu), 금(Au), 아연(Zn), 철(Fe), 납(Pb), 알루미늄(Al), 주석(Sn) 및 니켈(Ni) 중 선택된 1종 또는 2종 이상의 혼합물을 포함하며, 상기 천연추출물은 치자, 계피, 파극, 홍화, 단삼, 후박, 목단피, 당약, 익모초, 오배자, 고목, 천련자 및 영실 중 선택된 1종 또는 2종 이상의 혼합물을 포함할 수 있다.In one embodiment, the antibacterial agent is mixed in a weight ratio of clay mineral: antibacterial powder: metal ion = 1.0: 0.5-1.2: 0.1-0.3 and immersed in liquid natural extract, wherein the clay mineral has a particle size of It contains one type or a mixture of two or more types selected from kaolinite, illite, bentonite, montmorillonite, laponite, saponite, and kaolinite having a mesh of 100 to 300 mesh, and the antibacterial powder is one selected from oyster shell powder, maitake mushroom powder, and red clay powder. Contains a species or a mixture of two or more kinds, and the metal ions include silver (Ag), copper (Cu), gold (Au), zinc (Zn), iron (Fe), lead (Pb), aluminum (Al), and tin. (Sn) and nickel (Ni), including one or a mixture of two or more selected from It may include one type or a mixture of two or more types selected from Youngsil.
상기 점토광물은 100~300mesh의 입자크기를 갖도록 분쇄하고, 물 또는 증류수로 세척하고, 80~120℃의 온도에서 10~24시간동안 증발 건조시키고, Ga 및 Ar 중 선택된 어느 하나 이상의 이온시료를 이용하여 상기 점토광물에 이온 빔을 5~10 keV 가속전압 하에서 1~2시간 동안 조사하여 이온 밀링 처리하고, 상기 이온 밀링 처리가 완료된 점토광물을 120~200℃의 온도에서 열처리하여 사용할 수 있다.The clay mineral is ground to a particle size of 100 to 300 mesh, washed with water or distilled water, evaporated to dryness at a temperature of 80 to 120 ° C. for 10 to 24 hours, and used as an ion sample of one or more selected from Ga and Ar. Thus, the clay mineral is subjected to ion milling by irradiating an ion beam under an acceleration voltage of 5 to 10 keV for 1 to 2 hours, and the clay mineral after the ion milling treatment is completed can be used by heat treatment at a temperature of 120 to 200 ° C.
본 발명의 또 다른 측면에 따르면, 본 발명은 콘크리트 표면보호를 위한 PSK 시공방법에 있어서, 콘크리트 구조물 균열부위의 시공부분을 깨끗하게 정리하는 단계; 상기 시공부분으로 몰탈을 도포하여 바탕 작업하는 단계; 상기 몰탈로 바탕작업이 완료된 시공부분에 고탄성 퍼티제를 도포하는 단계; 상기 고탄성 퍼티제를 도포한 시공부분에 PSK공법을 시공하는 단계;를 포함하되, 상기 PSK공법은 친환경 도료조성물 : 물 = 1.0 : 4.0~4.5의 중량비로 희석한 후 도포하여 프라이머층을 형성하는 단계; 상기 프라이머층이 형성된 시공부분에 친환경 도료조성물을 도포함으로써 상도층을 형성하는 단계;를 포함한다.According to another aspect of the present invention, the present invention provides a PSK construction method for protecting the concrete surface, including the steps of cleaning the construction part of the cracked area of the concrete structure; Applying mortar to the construction area and performing ground work; Applying a high-elasticity putty agent to the construction area where the ground work with the mortar has been completed; A step of applying the PSK method to the construction area where the high-elasticity putty agent has been applied; wherein the PSK method includes the step of forming a primer layer by diluting the eco-friendly paint composition: water = 1.0: 4.0 to 4.5 by weight ratio and then applying it. ; It includes forming a top coat layer by applying an eco-friendly paint composition to the construction area where the primer layer is formed.
일 실시예에 있어서, 상기 프라이머층 형성단계는 상기 바탕 작업 단계가 20℃에서 상대습도 85%이하, PH 7.0~9.0, 함수율이 6~8%이하로 건조된 상태에서 시행하고, 도장하는 방법에 있어서 롤러, 붓, 스프레이 중 선택된 1종 이상의 도구를 사용하여 건조 도막 두께 30 내지 60㎛로 1회 도포하며, 상기 스프레이를 이용하여 도포 시 노즐의 직경 0.013~0.019inch, 분사 압력 1.5~3.0kg/cm2, 분사 반경 3~5inch 및 노즐의 이동속도 50~60cm/s로 수행하며, 20~30% 중첩되도록 도포하는 것을 포함할 수 있다.In one embodiment, the primer layer forming step is performed when the background work step is dried at 20° C. with a relative humidity of 85% or less, PH 7.0 to 9.0, and moisture content of 6 to 8% or less, and the painting method includes It is applied once with a dry film thickness of 30 to 60㎛ using one or more tools selected from roller, brush, and spray. When applied using the spray, the nozzle diameter is 0.013 to 0.019 inches and the spray pressure is 1.5 to 3.0 kg/ cm 2 , a spray radius of 3 to 5 inches, and a nozzle moving speed of 50 to 60 cm/s, and may include application with 20 to 30% overlap.
일 실시예에 있어서, 상기 상도층 형성단계는 상기 프라이머층 형성단계 이후 1시간 내지 24시간 이내에 수행하도록 하고, 롤러, 붓, 스프레이 중 선택된 1종 이상의 도구를 사용하여 1회 도포시 건조 도막 두께가 30 내지 50㎛로 형성하도록 하며 1회 내지 2회 도포하며, 상기 스프레이를 이용하여 도포 시 노즐의 직경 0.013~0.019inch, 분사 압력 1.5~3.0kg/cm2, 분사 반경 5~8inch 및 노즐의 이동속도 60~70cm/s로 수행하며, 30~40% 중첩되도록 도포하는 것을 포함할 수 있다.In one embodiment, the top coat layer forming step is performed within 1 to 24 hours after the primer layer forming step, and when applied once using one or more tools selected from a roller, brush, or spray, the dry film thickness is It is formed at 30 to 50㎛ and applied once or twice. When applied using the spray, the nozzle diameter is 0.013 to 0.019 inch, the spray pressure is 1.5 to 3.0 kg/cm 2 , the spray radius is 5 to 8 inches, and the nozzle movement is It is performed at a speed of 60 to 70 cm/s and may include application with 30 to 40% overlap.
이상 살펴본 바와 같은 본 발명에 따르면, 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호용 친환경 도료 조성물 및 이를 이용한 PSK 시공방법을 제공할 수 있다.According to the present invention as described above, it is possible to provide an eco-friendly paint composition for protecting concrete surfaces with improved elongation, incombustibility, and crack tracking properties, and a PSK construction method using the same.
또한, 본 발명에 따르면 목적은 콘크리트 구조물 균열부위에 내구성과 내후성이 우수한 신율 및 발수성의 수용성 실리콘 변성아크릴 수지를 포함한 하이브리드 친환경 도료를 이용한 PSK 시공방법을 적용한 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호용 친환경 도료 조성물 및 이를 이용한 PSK 시공방법을 제공할 수 있다. In addition, according to the present invention, the purpose is to provide a concrete surface with improved elongation, incombustibility, and crack followability by applying a PSK construction method using a hybrid eco-friendly paint containing a water-soluble silicone-modified acrylic resin with excellent elongation and water repellency with excellent durability and weather resistance on cracks in concrete structures. A protective eco-friendly paint composition and a PSK construction method using the same can be provided.
도 1은 본 발명의 일 실시예에 따른 시공방법을 나타낸 흐름도이다.
도 2는 본 발명의 일 실시예에 따른 친환경 도료 조성물의 시험 성적서이다.1 is a flowchart showing a construction method according to an embodiment of the present invention.
Figure 2 is a test report of an eco-friendly paint composition according to an embodiment of the present invention.
기타 실시예들의 구체적인 사항들은 상세한 설명 및 도면들에 포함되어 있다.Specific details of other embodiments are included in the detailed description and drawings.
본 발명의 이점 및 특징, 그리고 그것들을 달성하는 방법은 첨부되는 도면과 함께 상세하게 후술되어 있는 실시예들을 참조하면 명확해질 것이다. 그러나 본 발명은 이하에서 개시되는 실시예들에 한정되는 것이 아니라 서로 다른 다양한 형태로 구현될 수 있으며, 이하의 설명에서 달리 명시되지 않는 한, 본 발명에 성분, 반응 조건, 성분의 함량을 표현하는 모든 숫자, 값 및/또는 표현은, 이러한 숫자들이 본질적으로 다른 것들 중에서 이러한 값을 얻는 데 발생하는 측정의 다양한 불확실성이 반영된 근사치들이므로, 모든 경우 "약"이라는 용어에 의해 수식되는 것으로 이해되어야 한다. 또한, 본 기재에서 수치범위가 개시되는 경우, 이러한 범위는 연속적이며, 달리 지적되지 않는 한 이러한 범위의 최소값으로부터 최대값이 포함된 상기 최대값까지의 모든 값을 포함한다. 더 나아가, 이러한 범위가 정수를 지칭하는 경우, 달리 지적되지 않는 한 최소값으로부터 최대값이 포함된 상기 최대값까지를 포함하는 모든 정수가 포함된다The advantages and features of the present invention and methods for achieving them will become clear by referring to the embodiments described in detail below along with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be implemented in various different forms, and unless otherwise specified in the description below, the present invention does not express the components, reaction conditions, and contents of the components. All numbers, values and/or expressions are to be understood in all cases as being qualified by the term “about” since these numbers are inherently approximations reflecting, among other things, the various uncertainties of measurement that arise in obtaining such values. . Additionally, where numerical ranges are disclosed in this disclosure, such ranges are continuous and, unless otherwise indicated, include all values from the minimum to the maximum of such range inclusively. Furthermore, if such a range refers to an integer, it includes all integers from the minimum value up to the maximum value inclusive, unless otherwise indicated.
또한, 본 발명에서 범위가 변수에 대해 기재되는 경우, 상기 변수는 상기 범위의 기재된 종료점들을 포함하는 기재된 범위 내의 모든 값들을 포함하는 것으로 이해될 것이다. 예를 들면, "5 내지 10"의 범위는 5, 6, 7, 8, 9, 및 10의 값들뿐만 아니라 6 내지 10, 7 내지 10, 6 내지 9, 7 내지 9 등의 임의의 하위 범위를 포함하고, 5.5, 6.5, 7.5, 5.5 내지 8.5 및 6.5 내지 9 등과 같은 기재된 범위의 범주에 타당한 정수들 사이의 임의의 값도 포함하는 것으로 이해될 것이다. 예를 들면, "10% 내지 30%"의 범위는 10%, 11%, 12%, 13% 등의 값들과 30%까지를 포함하는 모든 정수들 뿐만 아니라 10% 내지 15%, 12% 내지 18%, 20% 내지 30% 등의 임의의 하위 범위를 포함하고, 10.5%, 15.5%, 25.5% 등과 같이 기재된 범위의 범주 내의 타당한 정수들 사이의 임의의 값도 포함하는 것으로 이해될 것이다.Additionally, when a range is described herein for a variable, the variable will be understood to include all values within the stated range, including the stated end points of the range. For example, the range "5 to 10" includes the values 5, 6, 7, 8, 9, and 10, as well as any subranges such as 6 to 10, 7 to 10, 6 to 9, 7 to 9, etc. It will be understood that it also includes any values between integers that fall within the scope of the stated range, such as 5.5, 6.5, 7.5, 5.5 to 8.5, and 6.5 to 9, etc. For example, the range "10% to 30%" includes the values 10%, 11%, 12%, 13%, etc., and all integers up to and including 30%, as well as 10% to 15%, 12% to 18, etc. %, and any subranges, such as 20% to 30%, etc., and any value between reasonable integers within the range of the stated range, such as 10.5%, 15.5%, 25.5%, etc.
본 발명은 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호용 친환경 도료 조성물 및 이를 이용한 PSK 시공방법에 관한 것이다.The present invention relates to an eco-friendly paint composition for protecting concrete surfaces with improved elongation, non-flammability and crack tracking properties, and a PSK construction method using the same.
상기 친환경 도료 조성물 100중량부에 대하여, 수용성 실리콘 하이브리드 아크릴수지 20~30중량부, 아염소산염계미네랄 15~25중량부, 프로필렌글리콜 1~10중량부, 이산화티타늄 15~20중량부, 이산화규소 1~10중량부, 크리스토발라이트 25~35중량부 및 항균제 1~20중량부;를 포함한다.For 100 parts by weight of the eco-friendly paint composition, 20 to 30 parts by weight of water-soluble silicone hybrid acrylic resin, 15 to 25 parts by weight of chlorite-based mineral, 1 to 10 parts by weight of propylene glycol, 15 to 20 parts by weight of titanium dioxide, 1 part by weight of silicon dioxide. It includes ~10 parts by weight, 25-35 parts by weight of cristobalite, and 1-20 parts by weight of an antibacterial agent.
상기 수용성 실리콘 하이브리드 아크릴 수지는 아크릴 모노머 : 실리콘 모노머 : 반응개시제 = 1.0~1.5 : 1.0~3.0 : 0.5~1.3 의 중량비로 혼합되어 사용되고, 비중은 1.3~1.5이고, 고형분용적비 30~45%인 것을 포함할 수 있다. The water-soluble silicone hybrid acrylic resin is mixed and used in a weight ratio of acrylic monomer: silicone monomer: reaction initiator = 1.0 to 1.5: 1.0 to 3.0: 0.5 to 1.3, specific gravity is 1.3 to 1.5, and solid content ratio is 30 to 45%. can do.
상기 수용성 실리콘 하이브리드 아크릴 수지의 아크릴 모노머와 실리콘 모노머 및 반응개시제가 혼합되는 중량비보다 미만의 함량으로 구성될 경우 도막 부착성이 저하되어 기계적물성이 떨어질 위험이 있고, 혼합되는 중량비보다 초과되는 함량으로 구성될 상대적으로 성분들의 함량이 초과되어 전반적인 물성의 저하를 야기할 수 있으므로 전술한 범위 이내에서 적용되는 것이 바람직하다.If the content of the water-soluble silicone hybrid acrylic resin is less than the mixing weight ratio of the acrylic monomer, silicone monomer, and reaction initiator, there is a risk that the coating film adhesion will decrease and the mechanical properties will deteriorate, and the content will exceed the mixing weight ratio. Since the relative content of components may be excessive, resulting in a decrease in overall physical properties, it is preferable to apply it within the above-mentioned range.
상기 수용성 실리콘 하이브리드 아크릴수지는 수분흡수제, UV흡수제, UV안정제, 흐름개량제 및 백색안료를 더 포함할 수 있다.The water-soluble silicone hybrid acrylic resin may further include a moisture absorbent, UV absorber, UV stabilizer, flow improver, and white pigment.
상기 아크릴 모노머는 메틸아크릴레이트 (Methylacrylate), n-부틸아크릴레이트 (n-butylacrylate), n-부틸메타크릴레이트 (n-butylmethacrylate), 메틸메타아크릴레이트 (Methylmethacrylate), 2-에틸헥실아크릴레이트 중합체 (2-Ethylhexylacrylate polymer) 및 아크릴산 공중합체 (Acrylicacid copolymer) 중 선택된 1종 또는 2종 이상의 혼합물을 포함할 수 있다.The acrylic monomers include methyl acrylate, n-butylacrylate, n-butylmethacrylate, methyl methacrylate, and 2-ethylhexyl acrylate polymer ( It may contain one type or a mixture of two or more types selected from 2-Ethylhexylacrylate polymer and Acrylicacid copolymer.
상기 아크릴 모노머는 반응성을 개선하여 강도 및 내구성을 향상시키기 위하여 포함할 수 있다. 상기 아크릴 모노머가 기준치 미만으로 포함될 경우에는 재료의 분리가 일어나 작업성이 저하될 수 있고, 기준치를 초과하여 포함할 경우에는 성능개선의 효과는 뚜렷하나 가격경쟁력이 저하될 수 있다.The acrylic monomer may be included to improve strength and durability by improving reactivity. If the acrylic monomer is included in less than the standard value, material separation may occur and workability may be reduced, and if it is included in excess of the standard value, the effect of improving performance is clear, but price competitiveness may be reduced.
상기 실리콘 모노머는 3-메타크릴프로필트리메톡시실란(3-Methacrylpropyltrimethoxysilane), 3-메타크릴옥시프로필트리메톡시실란(3-Methacryloxypropyltrimethoxysilane), 3-아크릴옥시프로필트리메톡시실란(3-acryloxypropyltrimethoxysilane), 3-메르캅토프로필트리메톡시실란(3-mercaptopropyltrimethoxysilane) 및 3-메르캅토프로필트리에톡시실란(3-mercaptopropyltriethoxysilane) 중 어느 하나 이상을 포함할 수 있다.The silicone monomer is 3-Methacrylpropyltrimethoxysilane, 3-Methacryloxypropyltrimethoxysilane, 3-acryloxypropyltrimethoxysilane, It may include any one or more of 3-mercaptopropyltrimethoxysilane and 3-mercaptopropyltriethoxysilane.
상기 실리콘 모노머를 포함함으로써 발수 코팅막을 형성하여 콘크리트 표면에 수분이나 염수가 젖음성에 의해 흡수되는 것을 방지해줄 수 있다. 상기 실리콘 모노머가 기준치 미만으로 포함될 경우에는 성능 대비 작업성이 저하되고, 기준치를 초과하여 포함할 경우에는 내식성, 발수성 및 열안정성의 개선효과가 미약할 수 있다.By including the silicone monomer, a water-repellent coating film can be formed to prevent moisture or salt water from being absorbed into the concrete surface due to wettability. If the silicon monomer is included in less than the standard value, the workability compared to performance is lowered, and if it is included in more than the standard value, the effect of improving corrosion resistance, water repellency, and thermal stability may be weak.
상기 반응개시제는 과산화벤조일 (Benzoylperoxide), 아조비스디메틸발레로니트릴 (Azobisdimethylvaleronitrile), 아조비스이소부티로니트릴 (Azobisisobutyronitrile), 디터트부틸퍼옥사이드 (Di-tert-butylperoxide), t-부틸하이드로퍼옥사이드 (t-Butylhydroperoxide) 및 t-부틸퍼옥시벤조에이트 (t-Butylperoxybenzoate) 중 어느 하나 이상을 포함할 수 있다.The reaction initiator is benzoyl peroxide, azobisdimethylvaleronitrile, azobisisobutyronitrile, di-tert-butylperoxide, t-butylhydroperoxide ( It may include one or more of t-Butylhydroperoxide) and t-Butylperoxybenzoate.
상기 반응개시제는 보통 10시간 반감기를 기준으로 하여 분해온도를 표시하므로, 반응온도에 따라 분해속도와 활성이 달라질 수 있으므로 선택에 주의하여야할 것이다.The reaction initiator usually displays a decomposition temperature based on a half-life of 10 hours, so care must be taken when selecting it because the decomposition rate and activity may vary depending on the reaction temperature.
상기 이산화규소는 점성 및 강도의 개선을 위해 사용될 수 있고, 내마모성, 흡착성 및 내화성을 개선할 수 있다. 상기 이산화규소가 기준치 미만으로 포함될 경우에는 재료의 분리가 일어나 작업성이 저하될 수 있고, 기준치를 초과하여 포함할 경우에는 성능개선효과가 미약할 수 있다.The silicon dioxide can be used to improve viscosity and strength, and can improve wear resistance, adsorption, and fire resistance. If silicon dioxide is contained below the standard value, separation of materials may occur and workability may be reduced, and if silicon dioxide is contained in excess of the standard value, the performance improvement effect may be weak.
상기 항균제는 점토광물 : 항균성 분말 : 금속이온 = 1.0 : 0.5~1.2 : 0.1~0.3의 중량비로 혼합하여 액상의 천연추출물에 침지시킨 것을 포함할 수 있다.The antibacterial agent may include a mixture of clay mineral: antibacterial powder: metal ion in a weight ratio of 1.0: 0.5-1.2: 0.1-0.3 and immersed in a liquid natural extract.
상기 점토광물은 카올리나이트, 일라이트, 벤토나이트, 몬모릴로나이트, 라포나이트, 사포나이트 및 고령석 중 선택된 1종 또는 2종 이상의 혼합물을 포함할 수 있다.The clay mineral may include one or a mixture of two or more selected from kaolinite, illite, bentonite, montmorillonite, laponite, saponite, and kaolinite.
상기 점토광물은 100~300mesh의 입자크기를 갖도록 분쇄하여 사용할 수 있다.The clay mineral can be used by grinding it to a particle size of 100 to 300 mesh.
상기 점토광물은 물 또는 증류수로 세척하고, 80~120℃의 온도에서 10~24시간동안 증발 건조시키고, Ga 및 Ar 중 선택된 어느 하나 이상의 이온시료를 이용하여 상기 점토광물에 이온 빔을 5~10 keV 가속전압 하에서 1~2시간 동안 조사하여 이온 밀링 처리하고, 상기 이온 밀링 처리가 완료된 점토광물을 120~200℃의 온도에서 열처리하여 사용할 수 있다.The clay mineral is washed with water or distilled water, evaporated to dryness at a temperature of 80 to 120 ° C. for 10 to 24 hours, and an ion beam is applied to the clay mineral for 5 to 10 minutes using one or more ion samples selected from Ga and Ar. Ion milling is performed by irradiating under a keV acceleration voltage for 1 to 2 hours, and the clay mineral that has completed the ion milling treatment can be heat treated at a temperature of 120 to 200°C and used.
상기 항균성 분말은 굴패각분말, 잎새버섯분말 및 황토분말 중 선택된 1종 또는 2종 이상의 혼합물을 포함할 수 있다.The antibacterial powder may include one or a mixture of two or more selected from oyster shell powder, maitake mushroom powder, and red clay powder.
상기 금속이온은 은(Ag), 구리(Cu), 금(Au), 아연(Zn), 철(Fe), 납(Pb), 알루미늄(Al), 주석(Sn) 및 니켈(Ni) 중 선택된 1종 또는 2종 이상의 혼합물을 포함할 수 있다.The metal ion is selected from silver (Ag), copper (Cu), gold (Au), zinc (Zn), iron (Fe), lead (Pb), aluminum (Al), tin (Sn), and nickel (Ni). It may contain one type or a mixture of two or more types.
상기 금속이온은 당업계에서 사용될 수 있는 금속이면 한정없이 사용할 수 있으며, 바람직하게는 은(Ag), 구리(Cu), 금(Au), 아연(Zn), 철(Fe), 납(Pb), 알루미늄(Al), 주석(Sn) 및 니켈(Ni) 중 선택된 1종 또는 2종 이상의 혼합물을 금속을 사용할 수 있다. 상기 금속은 이온의 형태로 첨가하는 것이 바람직하며, 더욱 바람직하게는, 상기 금속이온은 전기분해 방식으로 제조된 금속이온을 사용할 수 있다. The metal ion can be used without limitation as long as it is a metal that can be used in the industry, and is preferably silver (Ag), copper (Cu), gold (Au), zinc (Zn), iron (Fe), and lead (Pb). , one type or a mixture of two or more types selected from aluminum (Al), tin (Sn), and nickel (Ni) may be used as the metal. The metal is preferably added in the form of ions, and more preferably, the metal ion produced by electrolysis can be used.
상기 금속이온은 상기 금속을 이온액 상태로 하여 첨가하고, 첨가 이후에 항균제 내에서의 상기 금속이온의 농도가 10ppm~150ppm이 되도록 하여 사용할 수 있다. 상기 금속이온의 농도가 10ppm 미만일 경우에는 항균 및 탈취효과가 저하될 수 있고, 150ppm을 초과하는 경우에는 상기 항균제 내에 금속이온의 농도가 너무 높아져 향상된 항균 및 탈취효과를 기대하기 어렵다.The metal ion may be added in the form of an ionic liquid, and after addition, the concentration of the metal ion in the antibacterial agent may be 10 ppm to 150 ppm. If the concentration of the metal ion is less than 10ppm, the antibacterial and deodorizing effect may be reduced, and if it exceeds 150ppm, the concentration of the metal ion in the antibacterial agent becomes too high, making it difficult to expect improved antibacterial and deodorizing effects.
상기 천연추출물은 치자, 계피, 파극, 홍화, 단삼, 후박, 목단피, 당약, 익모초, 오배자, 고목, 천련자 및 영실 중 선택된 1종 또는 2종 이상의 혼합물을 포함할 수 있다.The natural extract may include one type or a mixture of two or more types selected from gardenia, cinnamon, paprika, safflower, Salvia miltiorrhiza, red cucumber, dandelion bark, dangyak, motherwort, gallberry, old tree, cheonryeonja, and yeongsil.
상기 천연추출물에 상기 점토광물, 항균성분말 및 금속이온을 일정한 비율로 혼합하여 침지 시켜 사용함으로써 우수한 항균활성을 기대할 수 있다.Excellent antibacterial activity can be expected by mixing and immersing the natural extract with the clay mineral, antibacterial powder, and metal ion in a certain ratio.
이와 같이 상기 항균제를 포함함으로써 항균효과와 탈취효과가 극대화되어 콘크리트 구조물상의 곰팡이 및 세균의 발생을 방지할 수 있고, 이에 의하여 장기간 사용에도 균열발생을 방지할 수 있다.In this way, by including the antibacterial agent, the antibacterial effect and deodorizing effect can be maximized to prevent the development of mold and bacteria on the concrete structure, thereby preventing cracks even when used for a long period of time.
도 1은 본 발명의 일 실시예에 의한 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호용 친환경 도료 조성물을 이용한 PSK 시공방법을 나타낸 흐름도이다.Figure 1 is a flowchart showing a PSK construction method using an eco-friendly paint composition for protecting concrete surfaces with improved elongation, incombustibility, and crack followability according to an embodiment of the present invention.
도 1을 참조하면, 본 발명의 일 실시예에 따른 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호용 친환경 도료 조성물을 이용한 PSK 시공방법은 콘크리트 구조물 균열부위의 시공부분을 깨끗하게 정리하는 단계(S100); 상기 시공부분으로 몰탈을 도포하여 바탕 작업하는 단계(S200); 상기 몰탈로 바탕작업이 완료된 시공부분에 고탄성 퍼티제를 도포하는 단계(S300); 상기 고탄성 퍼티제를 도포한 시공부분에 PSK공법을 시공하는 단계(S400);를 포함한다.Referring to Figure 1, the PSK construction method using an eco-friendly paint composition for protecting concrete surfaces with improved elongation, incombustibility, and crack tracking properties according to an embodiment of the present invention includes the step of cleaning the construction area at the cracked area of the concrete structure (S100). ; A step of applying mortar to the construction area and performing ground work (S200); Applying a high-elasticity putty agent to the construction area where the ground work with the mortar has been completed (S300); It includes a step (S400) of constructing the PSK method on the construction area to which the high-elasticity putty agent has been applied.
상기 PSK공법은 친환경 도료조성물 : 물 = 1.0 : 4.0~4.5의 중량비로 희석한 후 도포하여 프라이머층을 형성하는 단계(S410); 상기 프라이머층이 형성된 시공부분에 친환경 도료조성물을 도포함으로써 상도층을 형성하는 단계(S420);를 포함한다.The PSK method includes the steps of forming a primer layer by diluting and applying an eco-friendly paint composition: water at a weight ratio of 1.0: 4.0 to 4.5 (S410); It includes forming a top coat layer by applying an eco-friendly paint composition to the construction area where the primer layer is formed (S420).
후술할 내용을 제외하고는, 본 발명의 일 실시예에 따른 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호용 친환경 도료 조성물을 이용한 PSK 시공방법에 사용되는 상기 친환경 도료조성물의 각 구성성분 및 수치범위는 본 발명의 일 실시예에 따라 상기에 설명한 친환경 도료조성물과 구성성분 및 수치범위와 동일하기 때문에 이에 대한 자세한 내용은 생략한다.Except as described later, each component and numerical range of the eco-friendly paint composition used in the PSK construction method using the eco-friendly paint composition for protecting the concrete surface with improved elongation, incombustibility and crack followability according to an embodiment of the present invention Since the components and numerical ranges are the same as those of the eco-friendly paint composition described above according to an embodiment of the present invention, detailed information about them will be omitted.
상기 몰탈을 도포하여 바탕 작업하는 단계(S200)인 몰탈킹 작업단계에 사용되는 상기 몰탈은 SBR(Styrene Butadiene Ruber) 또는 실리콘의 합성폴리머나 폴리우레아 에폭시 복합수지의 초속경폴리머 또는 상기 합성폴리머와 초속경폴리머를 모두 사용 가능한 폴리머; 폴리비닐알콜(PolyVinyl Acohol; PVA) 섬유; 천연 셀룰로오스;를 포함할 수 있다.The mortar used in the mortar king operation step, which is the step of applying the mortar and performing ground work (S200), is SBR (Styrene Butadiene Ruber) or a synthetic polymer of silicon, an ultra-fast polymer of polyurea-epoxy composite resin, or Polymers that can be used for both light polymers; Polyvinyl Alcohol (PVA) fiber; It may contain natural cellulose.
상기 폴리머 100~120중량부에 대하여 폴리비닐알콜 섬유 20~80중량부, 천연 셀룰로오스 5~30중량부로 이루어지는 구성일 수 있다.It may be composed of 20 to 80 parts by weight of polyvinyl alcohol fiber and 5 to 30 parts by weight of natural cellulose based on 100 to 120 parts by weight of the polymer.
상기 폴리비닐알콜(PolyVinyl Acohol; PVA) 섬유는 우수한 내알칼리성을 발휘하고, 섬유 표면이 갖는 요철면을 통해 물리적 결합력을 제공하는 등 앵커효과를 발휘할 수 있다The polyvinyl alcohol (PVA) fiber exhibits excellent alkali resistance and can exert an anchor effect, such as providing physical bonding force through the uneven surface of the fiber surface.
상기 천연 셀룰로오스는 물에 불용되는 재료로서, 몰탈 균열 방지 및 수축 저감기능을 제공하고, 몰탈처짐 방지 및 레올로지를 개선하여주며, 작업시간 단축효과를 제공할 수 있다.The natural cellulose is a material that is insoluble in water, and can prevent mortar cracking and reduce shrinkage, prevent mortar sagging and improve rheology, and reduce working time.
상기 몰탈은 초속경시멘트 또는 포틀랜드시멘트 10~30중량부; 고성능 감수제로서 폴리카르본산계 분말 0.1~5중량부;를 더 포함할 수 있다.The mortar includes 10 to 30 parts by weight of quick-hardening cement or Portland cement; As a high-performance water reducing agent, 0.1 to 5 parts by weight of polycarboxylic acid-based powder may be further included.
상기 초속경 시멘트는 CaO 51.4%, SiO2 11.9%, Al2O3 12.9%, SO3 13.5%, Fe2O3 2.4%, MgO 1.7%, TiO2 0.6%, K2O 0.5%를 포함하는 성분이고, 밀도 2.90~2.95g/㎤로 이루어지는 구성일 수 있다,The ultra-fast hardening cement contains 51.4% CaO, 11.9% SiO2, 12.9% Al2O3, 13.5% SO3, 2.4% Fe2O3, 1.7% MgO, 0.6% TiO2, and 0.5% K2O, and has a density of 2.90 to 2.95 g/cm3. It may be a composition that is made,
상기 고성능 감수제는 밀도 0.5~1.06g/㎤, pH 5.5~7.5로 이루어지는 구성일 수 있다.The high-performance water reducing agent may have a density of 0.5 to 1.06 g/cm3 and a pH of 5.5 to 7.5.
이와 같은 조성을 갖는 몰탈은 폴리머 몰탈로서, 친환경 용매 사용으로 포름알데히드 및 VOC 등의 유해물질을 저감시킬 수 있다.Mortar with this composition is a polymer mortar, and can reduce harmful substances such as formaldehyde and VOC by using eco-friendly solvents.
상기 합성폴리머는 SBR(Styrene Butadiene Ruber)의 경우, 스티렌 60~70중량%와 부타디엔 30~40중량으로 이루어지되, 밀도 1.00~1.12g/㎤, pH8~8.2, 점도 20~30cps(25℃에서), 표면텐션 25℃에서 30~40dynes/cm을 포함할 수 있다.In the case of SBR (Styrene Butadiene Ruber), the synthetic polymer consists of 60 to 70% by weight of styrene and 30 to 40% by weight of butadiene, with a density of 1.00 to 1.12 g/cm3, pH 8 to 8.2, and viscosity of 20 to 30 cps (at 25°C). , surface tension can be 30 to 40 dynes/cm at 25℃.
상기 초속경폴리머는 점도 14~15cps(25℃에서)이고, 경화제와 1 : 1의 중량비로 배합되는 2액형인 것을 포함할 수 있다.The ultra-rapid hardening polymer has a viscosity of 14 to 15 cps (at 25°C) and may include a two-component type mixed with a curing agent at a weight ratio of 1:1.
상기 고탄성 퍼티제는 아크릴계 바인더 100~150중량부를 기준으로, 평균입경이 1~10㎛이고, BET비표면적이 8~20㎡/g, 세공용적이 15~35㎤/g의 범위인 경질탄산칼슘에 의한 제1충 전제 10~50중량부; 수산화칼슘[Ca(OH)2], 수산화마그네슘[Mg(OH)2] 및 수산화바륨[Ba(OH)2]으로 이루어진 군으로부터 선택되는 1종 이상의 금속수산화물이 담지된 제올라이트 또는 규조토를 포함하는 복합체에 의한 제2충전제 20~80중량부; 고탄성을 위한 불포화 폴리에스테르수지 또는 폴리우레탄 복합체에 의한 제3충전제 30~100중량부; 항균성을 위한 항균성 소재 10~100중량부;를 포함할 수 있다.The highly elastic putty agent is hard calcium carbonate with an average particle diameter of 1 to 10㎛, a BET specific surface area of 8 to 20㎡/g, and a pore volume of 15 to 35㎤/g, based on 100 to 150 parts by weight of an acrylic binder. 10 to 50 parts by weight of the first charge premise; A composite containing zeolite or diatomaceous earth supported with at least one metal hydroxide selected from the group consisting of calcium hydroxide [Ca(OH) 2 ], magnesium hydroxide [Mg(OH) 2 ], and barium hydroxide [Ba(OH) 2 ]. 20 to 80 parts by weight of second filler; 30 to 100 parts by weight of a third filler made of unsaturated polyester resin or polyurethane composite for high elasticity; It may include 10 to 100 parts by weight of an antibacterial material for antibacterial properties.
상기 아크릴계 바인더는 아크릴에멀젼 : 실리케이트 = 1~1.5 : 0.3~0.8의 중량비로 이루어지는 구성일 수 있다.The acrylic binder may have a weight ratio of acrylic emulsion:silicate = 1 to 1.5: 0.3 to 0.8.
상기 프라이머층 형성단계(S410)는 상기 바탕 작업 단계가 20℃에서 상대습도 85%이하, PH 7.0~9.0, 함수율이 6~8%이하로 건조된 상태에서 수행하도록 하고, 도장하는 방법에 있어서 롤러, 붓, 스프레이 중 선택된 1종 이상의 도구를 사용하여 건조 도막 두께 30 내지 60㎛로 1회 도포할 수 있다. The primer layer forming step (S410) is performed in a dry state at 20°C with a relative humidity of 85% or less, PH 7.0 to 9.0, and moisture content of 6 to 8% or less. In the painting method, a roller is used. It can be applied once with a dry film thickness of 30 to 60㎛ using one or more tools selected from , brush, and spray.
상기 스프레이를 이용하여 도포 시 노즐의 직경 0.013~0.019inch, 분사 압력 1.5~3.0kg/cm2, 분사 반경 3~5inch 및 노즐의 이동속도 50~60cm/s로 수행하며, 20~30% 중첩되도록 도포할 수 있다.When applying using the above spray, the nozzle diameter is 0.013 to 0.019 inch, the spray pressure is 1.5 to 3.0 kg/cm 2 , the spray radius is 3 to 5 inches, and the nozzle moving speed is 50 to 60 cm/s, with 20 to 30% overlap. It can be applied.
상기 상도층 형성단계(S420)는 상기 프라이머층 형성단계 이후 1시간 내지 24시간 이내에 수행하도록 하고, 롤러, 붓, 스프레이 중 선택된 1종 이상의 도구를 사용하여 1회 도포시 건조 도막 두께가 30 내지 50㎛로 형성하도록 하며 1회 내지 2회 도포할 수 있다.The top coat layer forming step (S420) is performed within 1 to 24 hours after the primer layer forming step, and when applied once using one or more tools selected from a roller, brush, or spray, the dry film thickness is 30 to 50. It is formed in ㎛ and can be applied once or twice.
상기 상도층 형성단계에서 도장시 표면온도는 이슬점보다 3℃이상이어야 하고, 도장 및 경화 중 대기 표면온도는 10℃ 내지 28℃, 상대 습도는 85%이하이며, 도료의 온도는 20℃가 가장 바람직하다.In the top coat formation step, the surface temperature at the time of painting must be 3°C or higher than the dew point, the atmospheric surface temperature during painting and curing is 10°C to 28°C, the relative humidity is 85% or less, and the temperature of the paint is most preferably 20°C. do.
상기 표면온도가 상기 이슬점 온도보다 3℃ 이하일 경우에는 표면에 수분 응축이 발생하여 amine bushing과 같은 외관 불량이 발생할 수 있다.If the surface temperature is 3°C or lower than the dew point temperature, moisture condensation may occur on the surface, resulting in appearance defects such as amine bushing.
상기 스프레이를 이용하여 도포 시 노즐의 직경 0.013~0.019inch, 분사 압력 1.5~3.0kg/cm2, 분사 반경 5~8inch 및 노즐의 이동속도 60~70cm/s로 수행하며, 30~40% 중첩되도록 도포할 수 있다.When applying using the above spray, the nozzle diameter is 0.013 to 0.019 inch, the spray pressure is 1.5 to 3.0 kg/cm 2 , the spray radius is 5 to 8 inches, and the nozzle moving speed is 60 to 70 cm/s, with 30 to 40% overlap. It can be applied.
이하 본 발명의 실시예를 기재한다. 그러나, 하기 실시예들은 본 발명의 바람직한 일 실시예일 뿐 본 발명의 권리 범위가 하기 실시예들에 의하여 제한되는 것은 아니다.Below, examples of the present invention will be described. However, the following examples are only preferred embodiments of the present invention and the scope of the present invention is not limited by the following examples.
(실시 예 1)(Example 1)
본 발명의 콘크리트 표면보호용 친환경 도료 조성물의 제조Preparation of eco-friendly paint composition for protecting concrete surfaces of the present invention
상기 표 1의 성분 및 중량부에 의하여 친환경 도료조성물을 제조하였다.An eco-friendly paint composition was prepared according to the ingredients and parts by weight in Table 1 above.
(실험 예 1)(Experiment Example 1)
본 발명의 콘크리트 표면보호용 친환경 도료 조성물의 물성평가Physical property evaluation of the eco-friendly paint composition for protecting concrete surfaces of the present invention
상기 실시 예 1에서 제조된 친환경 도료조성물의 물성을 측정하기 위한 시험 항목을 하기 표 2에 나타내었다.Test items for measuring the physical properties of the eco-friendly paint composition prepared in Example 1 are shown in Table 2 below.
하기 표 2에 나타난 시험 항목은 KS F 4936(콘크리트 보호용 도막재)에 의하여 측정하였고, 그 결과는 표3 내지 표4 및 도 2에 시험성적서를 타나내었다.The test items shown in Table 2 below were measured according to KS F 4936 (concrete protective coating material), and the results are shown in Tables 3 to 4 and the test report in Figure 2.
하기 표 4는 KSM6010에 의한 아파트 또는 건물 외벽에 적용되는 도료의 KS규격을 나타낸 1급 기준 항목이다.Table 4 below is the first-class standard items showing the KS standards for paints applied to the exterior walls of apartments or buildings according to KSM6010.
도 2는 본 발명의 일 실시예에 의한 친환경 도료 조성물의 시험 성적서이다.Figure 2 is a test report of an eco-friendly paint composition according to an embodiment of the present invention.
상기 표 3을 참조하면, 본 발명의 실시 예 1에 따른 친환경 도료조성물의 도막 형성 후 겉모양을 평가한 결과 주름, 잔갈림, 핀홀, 변형 및 벗겨짐이 생기지 않아 겉모양이 우수하였고, 중성화 깊이가 0mm이므로 콘크리트 구조물의 중성화 방지에 효과적임을 확인할 수 있었다. 또한, 염화물 이온 침투 저항성, 투습도, 내투수성 및 부착강도가 우수하며 온도에 따른 균열 대응성 평가에서도 잔갈림이나 파단되지 않아 우수한 내구성을 가지고 있음을 확인할 수 있었다.Referring to Table 3 above, as a result of evaluating the outer appearance of the eco-friendly paint composition according to Example 1 of the present invention after forming a film, the outer appearance was excellent with no wrinkles, fine cracks, pinholes, deformation, or peeling, and the neutralization depth was Since it was 0mm, it was confirmed that it was effective in preventing neutralization of concrete structures. In addition, it has excellent chloride ion penetration resistance, moisture permeability, water permeability resistance, and adhesion strength, and in the evaluation of crack response according to temperature, it was confirmed that it has excellent durability as it does not crack or break.
상기 표 4 및 도 2를 참조하면, 상기 표 4는 KSM6010에 의한 아파트 또는 건물 외벽에 적용되는 도료의 KS규격을 나타낸 것으로 본 발명의 실시예 1에 의하여 제조된 친환경 도료 조성물은 1급 기준보다 훨씬 높은 물성을 나타내고 있음을 알 수 있었다.Referring to Table 4 and Figure 2, Table 4 shows the KS standard of paint applied to the exterior wall of an apartment or building according to KSM6010, and the eco-friendly paint composition manufactured according to Example 1 of the present invention is much better than the first grade standard. It was found that it exhibited high physical properties.
또한, 본 발명의 다양한 실시예에 따르면, 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호용 친환경 도료 조성물을 이용하여 콘크리트 표면에 도막을 형성하게 되므로 콘크리트의 균열부위의 추종성을 높이고, 신율, 내균열성, 항균성, 내알칼리성, 불연성, 내후성 및 발수성이 뛰어난 콘크리트 표면보호용 친환경 도료 조성물 및 이를 이용한 PSK 시공방법을 제공할 수 있다.In addition, according to various embodiments of the present invention, a coating film is formed on the concrete surface using an eco-friendly paint composition for protecting the concrete surface with improved elongation, incombustibility, and crack tracking properties, thereby increasing the followability of cracked areas of concrete and improving elongation and crack resistance. It is possible to provide an eco-friendly paint composition for protecting concrete surfaces with excellent antibacterial, alkali resistance, non-flammability, weather resistance, and water repellency, as well as a PSK construction method using the same.
본 발명이 속하는 기술분야의 통상의 지식을 가진 자는 본 발명이 그 기술적 사상이나 필수적인 특징을 변경하지 않고서 다른 구체적인 형태로 실시될 수 있다는 것을 이해할 수 있을 것이다. 그러므로 이상에서 기술한 실시예들은 모든 면에서 예시적인 것이며 한정적이 아닌 것으로 이해해야만 한다. 본 발명의 범위는 상기 상세한 설명보다는 후술하는 특허청구의 범위에 의하여 나타내어지며, 특허청구의 범위의 의미 및 범위 그리고 그 균등 개념으로부터 도출되는 모든 변경 또는 변형된 형태가 본 발명의 범위에 포함되는 것으로 해석되어야 한다.Those skilled in the art to which the present invention pertains will understand that the present invention can be implemented in other specific forms without changing its technical idea or essential features. Therefore, the embodiments described above should be understood in all respects as illustrative and not restrictive. The scope of the present invention is indicated by the scope of the claims described below rather than the detailed description above, and all changes or modified forms derived from the meaning and scope of the claims and their equivalent concepts are included in the scope of the present invention. must be interpreted.
S100 청소단계
S200 몰탈킹 작업단계
S300 고탄성 퍼티제 도포단계
S400 PSK공법 시공단계
S410 프라이머층 형성단계
S420 상도층 형성단계S100 cleaning steps
S200 Mortal King work steps
S300 high elasticity putty application step
S400 PSK method construction stage
S410 Primer layer formation step
S420 top coat formation step
Claims (10)
상기 친환경 도료 조성물 100중량부에 대하여, 수용성 실리콘 하이브리드 아크릴수지 20~30중량부, 아염소산염계미네랄 15~25중량부, 프로필렌글리콜 1~10중량부, 이산화티타늄 15~20중량부, 이산화규소 1~10중량부, 크리스토발라이트 25~35중량부 및 항균제 1~20중량부;를 포함하며,
상기 수용성 실리콘 하이브리드 아크릴 수지는 아크릴 모노머 : 실리콘 모노머 : 반응개시제 = 1.0~1.5 : 1.0~3.0 : 0.5~1.3 의 중량비로 혼합되어 사용되고, 비중 1.3~1.5 및 고형분용적비 30~45%을 갖는 것을 포함하고,
상기 항균제는 점토광물 : 항균성 분말 : 금속이온 = 1.0 : 0.5~1.2 : 0.1~0.3의 중량비로 혼합하여 액상의 천연추출물에 침지시킨 것을 포함하되,
상기 점토광물은 카올리나이트, 일라이트, 벤토나이트, 몬모릴로나이트, 라포나이트, 사포나이트 및 고령석 중 선택된 1종 또는 2종 이상의 혼합물을 포함하고,
상기 항균성 분말은 굴패각분말, 잎새버섯분말 및 황토분말 중 선택된 1종 또는 2종 이상의 혼합물을 포함하고,
상기 금속이온은 은(Ag), 구리(Cu), 금(Au), 아연(Zn), 철(Fe), 납(Pb), 알루미늄(Al), 주석(Sn) 및 니켈(Ni) 중 선택된 1종 또는 2종 이상의 혼합물을 포함하고,
상기 금속이온의 농도는 10~150ppm인 것을 포함하며,
상기 천연추출물은 치자, 계피, 파극, 홍화, 단삼, 후박, 목단피, 당약, 익모초, 오배자, 고목, 천련자 및 영실 중 선택된 1종 또는 2종 이상의 혼합물을 포함하는 것을 특징으로 하는 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호 친환경 도료 조성물.An eco-friendly paint composition for protecting concrete surfaces with improved elongation, non-flammability and crack tracking properties,
For 100 parts by weight of the eco-friendly paint composition, 20 to 30 parts by weight of water-soluble silicone hybrid acrylic resin, 15 to 25 parts by weight of chlorite-based mineral, 1 to 10 parts by weight of propylene glycol, 15 to 20 parts by weight of titanium dioxide, 1 part by weight of silicon dioxide. Contains ~10 parts by weight, 25-35 parts by weight of cristobalite, and 1-20 parts by weight of an antibacterial agent,
The water-soluble silicone hybrid acrylic resin is used by mixing acrylic monomer: silicone monomer: reaction initiator in a weight ratio of 1.0 to 1.5: 1.0 to 3.0: 0.5 to 1.3, and has a specific gravity of 1.3 to 1.5 and a solid volume ratio of 30 to 45%. ,
The antibacterial agent includes clay mineral: antibacterial powder: metal ion = 1.0: 0.5 ~ 1.2: 0.1 ~ 0.3 mixed in a weight ratio and immersed in liquid natural extract,
The clay mineral includes one or a mixture of two or more selected from kaolinite, illite, bentonite, montmorillonite, laponite, saponite, and kaolinite,
The antibacterial powder includes one or a mixture of two or more selected from oyster shell powder, maitake mushroom powder, and red clay powder,
The metal ion is selected from silver (Ag), copper (Cu), gold (Au), zinc (Zn), iron (Fe), lead (Pb), aluminum (Al), tin (Sn), and nickel (Ni). Contains one type or a mixture of two or more types,
The concentration of the metal ion is 10 to 150 ppm,
The natural extract has improved elongation and non-flammability, characterized in that it contains one or a mixture of two or more selected from gardenia, cinnamon, paprika, safflower, Salvia milt ginseng, red cucumber, dandelion bark, dangyaek, motherwort, gallberry, old tree, cheonryeonja, and yeongsil. and an eco-friendly paint composition for protecting concrete surfaces with crack tracking properties.
상기 수용성 실리콘 하이브리드 아크릴수지는,
수분흡수제, UV흡수제, UV안정제, 흐름개량제 및 백색안료를 더 포함하는 것을 특징으로 하는 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호 친환경 도료 조성물.According to paragraph 1,
The water-soluble silicone hybrid acrylic resin,
An eco-friendly paint composition for protecting concrete surfaces with improved elongation, non-flammability, and crack tracking properties, further comprising a moisture absorbent, UV absorber, UV stabilizer, flow improver, and white pigment.
상기 아크릴 모노머는,
메틸아크릴레이트 (Methylacrylate), n-부틸아크릴레이트 (n-butylacrylate), n-부틸메타크릴레이트 (n-butylmethacrylate), 메틸메타아크릴레이트 (Methylmethacrylate), 2-에틸헥실아크릴레이트 중합체 (2-Ethylhexylacrylate polymer) 및 아크릴산 공중합체 (Acrylicacid copolymer) 중 선택된 1종 또는 2종 이상의 혼합물을 포함하는 것을 특징으로 하는 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호 친환경 도료 조성물.According to paragraph 1,
The acrylic monomer is,
Methylacrylate, n-butylacrylate, n-butylmethacrylate, Methylmethacrylate, 2-Ethylhexylacrylate polymer ) and an acrylic acid copolymer (Acrylicacid copolymer). An eco-friendly paint composition for protecting concrete surfaces with improved elongation, non-flammability and crack tracking properties, comprising one or a mixture of two or more selected from the group consisting of acrylic acid copolymer.
상기 실리콘 모노머는,
3-메타크릴프로필트리메톡시실란(3-Methacrylpropyltrimethoxysilane), 3-메타크릴옥시프로필트리메톡시실란(3-Methacryloxypropyltrimethoxysilane), 3-아크릴옥시프로필트리메톡시실란(3-acryloxypropyltrimethoxysilane), 3-메르캅토프로필트리메톡시실란(3-mercaptopropyltrimethoxysilane) 및 3-메르캅토프로필트리에톡시실란(3-mercaptopropyltriethoxysilane) 중 어느 하나 이상을 포함하는 것을 특징으로 하는 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호 친환경 도료 조성물.According to paragraph 1,
The silicone monomer is,
3-Methacrylpropyltrimethoxysilane, 3-Methacryloxypropyltrimethoxysilane, 3-acryloxypropyltrimethoxysilane, 3-mercapto An eco-friendly concrete surface protection paint with improved elongation, incombustibility, and crack tracking properties, comprising at least one of 3-mercaptopropyltrimethoxysilane and 3-mercaptopropyltriethoxysilane. Composition.
상기 반응개시제는,
과산화벤조일 (Benzoylperoxide), 아조비스디메틸발레로니트릴 (Azobisdimethylvaleronitrile), 아조비스이소부티로니트릴 (Azobisisobutyronitrile), 디터트부틸퍼옥사이드 (Di-tert-butylperoxide), t-부틸하이드로퍼옥사이드 (t-Butylhydroperoxide) 및 t-부틸퍼옥시벤조에이트 (t-Butylperoxybenzoate) 중 어느 하나 이상을 포함하는 것을 특징으로 하는 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호 친환경 도료 조성물.According to paragraph 1,
The reaction initiator is,
Benzoylperoxide, Azobisdimethylvaleronitrile, Azobisisobutyronitrile, Di-tert-butylperoxide, t-Butylhydroperoxide and t-Butylperoxybenzoate (t-Butylperoxybenzoate). An eco-friendly paint composition for protecting concrete surfaces with improved elongation, non-flammability, and crack tracking properties, comprising at least one of t-Butylperoxybenzoate.
상기 점토광물은,
100~300mesh의 입자크기를 갖도록 분쇄하고,
물 또는 증류수로 세척하고,
80~120℃의 온도에서 10~24시간동안 증발 건조시키고,
Ga 및 Ar 중 선택된 어느 하나 이상의 이온시료를 이용하여 상기 점토광물에 이온 빔을 5~10 keV 가속전압 하에서 1~2시간 동안 조사하여 이온 밀링 처리하고,
상기 이온 밀링 처리가 완료된 점토광물을 120~200℃의 온도에서 열처리하여 사용하는 것을 특징으로 하는 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호 친환경 도료 조성물.According to paragraph 1,
The clay minerals are,
Grind to a particle size of 100 to 300 mesh,
Wash with water or distilled water,
Evaporate to dryness at a temperature of 80~120℃ for 10~24 hours,
Using one or more ion samples selected from Ga and Ar, the clay mineral is subjected to ion milling by irradiating an ion beam under an acceleration voltage of 5 to 10 keV for 1 to 2 hours,
An eco-friendly paint composition for protecting concrete surfaces with improved elongation, non-flammability and crack tracking properties, characterized in that the clay mineral that has undergone the ion milling treatment is heat-treated at a temperature of 120 to 200 ° C.
콘크리트 구조물 균열부위의 시공부분을 깨끗하게 정리하는 단계;
상기 시공부분으로 몰탈을 도포하여 바탕 작업하는 단계;
상기 몰탈로 바탕작업이 완료된 시공부분에 고탄성 퍼티제를 도포하는 단계;
상기 고탄성 퍼티제를 도포한 시공부분에 PSK공법을 시공하는 단계;를 포함하되,
상기 PSK공법은,
친환경 도료조성물 : 물 = 1.0 : 4.0~4.5의 중량비로 희석한 후 도포하여 프라이머층을 형성하는 단계;
상기 프라이머층이 형성된 시공부분에 친환경 도료조성물을 도포함으로써 상도층을 형성하는 단계;를 포함하고,
상기 친환경 도료 조성물은 청구항 1 내지 청구항 5 및 청구항 7 중 어느 한 항에 의한 향상된 신율, 불연성 및 균열추종성을 갖는 콘크리트 표면보호 친환경 도료 조성물로 이루어진 것을 특징으로 하는 PSK 시공방법.In the PSK construction method for concrete surface protection,
Cleaning up the construction part of the cracked area of the concrete structure;
Applying mortar to the construction area and performing ground work;
Applying a high-elasticity putty agent to the construction area where the ground work with the mortar has been completed;
Including the step of constructing the PSK method on the construction part where the high elastic putty agent is applied,
The PSK method is,
Eco-friendly paint composition: forming a primer layer by diluting and applying water at a weight ratio of 1.0:4.0 to 4.5;
A step of forming a top coat layer by applying an eco-friendly paint composition to the construction area where the primer layer is formed,
The eco-friendly paint composition is a PSK construction method, characterized in that it consists of a concrete surface protection eco-friendly paint composition having improved elongation, non-flammability and crack tracking properties according to any one of claims 1 to 5 and claim 7.
상기 프라이머층 형성단계는,
상기 바탕 작업 단계가 20℃에서 상대습도 85%이하, PH 7.0~9.0, 함수율이 6~8%이하로 건조된 상태에서 시행하고,
도장하는 방법에 있어서 롤러, 붓, 스프레이 중 선택된 1종 이상의 도구를 사용하여 건조 도막 두께 30 내지 60㎛로 1회 도포하며,
상기 스프레이를 이용하여 도포 시 노즐의 직경 0.013~0.019inch, 분사 압력 1.5~3.0kg/cm2, 분사 반경 3~5inch 및 노즐의 이동속도 50~60cm/s로 수행하며, 20~30% 중첩되도록 도포하는 것을 특징으로 하는 PSK 시공방법.According to clause 8,
The primer layer forming step is,
The above background work step is carried out in a dry state at 20°C with a relative humidity of 85% or less, pH of 7.0 to 9.0, and moisture content of 6 to 8% or less,
In the painting method, apply once with a dry film thickness of 30 to 60㎛ using one or more tools selected from roller, brush, and spray.
When applying using the above spray, the nozzle diameter is 0.013 to 0.019 inch, the spray pressure is 1.5 to 3.0 kg/cm 2 , the spray radius is 3 to 5 inches, and the nozzle moving speed is 50 to 60 cm/s, with 20 to 30% overlap. PSK construction method characterized by application.
상기 상도층 형성단계는,
상기 프라이머층 형성단계 이후 1시간 내지 24시간 이내에 수행하도록 하고,
롤러, 붓, 스프레이 중 선택된 1종 이상의 도구를 사용하여 1회 도포시 건조 도막 두께가 30 내지 50㎛로 형성하도록 하며 1회 내지 2회 도포하며,
상기 스프레이를 이용하여 도포 시 노즐의 직경 0.013~0.019inch, 분사 압력 1.5~3.0kg/cm2, 분사 반경 5~8inch 및 노즐의 이동속도 60~70cm/s로 수행하며, 30~40% 중첩되도록 도포하는 것을 특징으로 하는 PSK 시공방법.According to clause 8,
The top coat layer forming step is,
It should be performed within 1 to 24 hours after the primer layer forming step,
Apply once or twice using one or more tools selected from a roller, brush, or spray to form a dry film thickness of 30 to 50㎛ when applied once.
When applying using the above spray, the nozzle diameter is 0.013 to 0.019 inch, the spray pressure is 1.5 to 3.0 kg/cm 2 , the spray radius is 5 to 8 inches, and the nozzle moving speed is 60 to 70 cm/s, with 30 to 40% overlap. PSK construction method characterized by application.
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| KR100608243B1 (en) * | 2004-05-31 | 2006-08-02 | 주식회사 태일케미칼 | Process for prevention of the concrete structure deterioration using the environmental friendly aqueous epoxy resin-ceramics and aqueous silicon-acrylic resin paint or aqueous polyurethan resin paint |
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