KR102296298B1 - Composition of finishing material for concrete building structure and coating method thereof - Google Patents

Composition of finishing material for concrete building structure and coating method thereof Download PDF

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KR102296298B1
KR102296298B1 KR1020210054591A KR20210054591A KR102296298B1 KR 102296298 B1 KR102296298 B1 KR 102296298B1 KR 1020210054591 A KR1020210054591 A KR 1020210054591A KR 20210054591 A KR20210054591 A KR 20210054591A KR 102296298 B1 KR102296298 B1 KR 102296298B1
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weight
parts
delete delete
finishing material
solution
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KR1020210054591A
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윤영랑
손황규
윤영집
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주식회사 세기엔지니어링
맥스지오 주식회사
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    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
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    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
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Abstract

A finishing material composition for protecting the surface of a concrete structure according to the present invention comprises: 10 to 20 parts by weight of an acrylic emulsion; 15 to 60 parts by weight of an inorganic filler consisting of at least one among titanium dioxide, kaolin, talc, and calcium carbonate; and 35 to 45 parts by weight of purified water. A coating method using a finishing material composition for protecting the surface of a concrete structure according to the present invention comprises the steps of: removing impurities from a coating surface; forming a primer layer by applying a primer onto the coating surface from which impurities have been removed; and forming a coating layer by applying a surface protection finishing material composition of any one of claims 1 to 8 onto the upper surface of the primer layer. A function of protecting the surface of a building structure is excellent.

Description

콘크리트 구조물의 표면 보호용 마감재 조성물 및 이를 이용한 도장 공법 {COMPOSITION OF FINISHING MATERIAL FOR CONCRETE BUILDING STRUCTURE AND COATING METHOD THEREOF}Finishing composition for surface protection of concrete structure and coating method using the same

본 발명은 콘크리트 구조물의 표면 보호용 마감재 조성물 및 이를 이용한 도장 공법에 관한 것으로서, 보다 상세하게 설명하면 건축 구조물의 외부에 대한 표면 보호용 마감재로 이용될 수 있는 것으로서, 부착성능이 뛰어남과 동시에 건조수축에 따른 균열 발생이 최소화되어 표면 보호 성능을 극대화한, 콘크리트 구조물의 표면 보호용 마감재 조성물 및 이를 이용한 도장 공법에 관한 것이다.The present invention relates to a finishing material composition for protecting the surface of a concrete structure and a painting method using the same, and in more detail, it can be used as a finishing material for surface protection for the exterior of a building structure, and has excellent adhesion performance and The present invention relates to a finishing composition for surface protection of a concrete structure, which maximizes surface protection performance by minimizing cracking, and a coating method using the same.

콘크리트는 일반적으로 물, 시멘트, 모래, 자갈 등의 골재를 구성성분으로 하여, 시멘트와 물이 반응하여 굳어지는 수화 반응을 통해 건조되며 건축 구조물을 형성하는데 이용된다.Concrete generally consists of aggregates such as water, cement, sand, and gravel, and is dried through a hydration reaction in which cement and water react and harden, and is used to form building structures.

이러한 콘크리트 구조물의 수명에 영향을 미치는 열화현상의 요인으로는 재료 및 시공적 요인, 온도변화, 계절변화 등의 환경적인 요인에 의한 동결융해, 철근부식, 중성화, 염해, 알칼리 골재 반응 등을 들 수 있으며, 이러한 요인들이 복합적으로 서서히 작용함에 따라 시공 후 시간 경과에 따라 콘크리트의 균열, 강도 저하 침식 등으로 나타나는 것이다. 따라서 콘크리트 구조물의 열화 방지와 내구성 유지를 위해서는 수분 및 외부 열화인자들의 침투를 근본적으로 차단해야 한다.Factors of deterioration that affect the lifespan of concrete structures include freeze-thaw, rebar corrosion, neutralization, salt damage, and alkali aggregate reaction caused by environmental factors such as material and construction factors, temperature changes, and seasonal changes. As these factors act in a complex manner, they appear as cracks in concrete and erosion to decrease strength over time after construction. Therefore, in order to prevent deterioration of concrete structures and maintain durability, it is necessary to fundamentally block the penetration of moisture and external deterioration factors.

일반적으로 건축물은 신축 후 시간 경과에 따라 콘크리트의 내구성능이 저하되며, 성능의 유지관리 및 강화를 위해 다양한 표면보호용 재료를 사용한다. 콘크리트 표면보호재는 크게 시멘트계와 합성수지계로 구분할 수 있으며, 시멘트계의 분말 제품은 시공두께가 1㎜이하로 도포해야 하고 시공두께를 1㎜이상으로 할 경우 미장 표면에서 균열이 발생한다.In general, the durability of concrete decreases over time after new construction, and various surface protection materials are used to maintain and strengthen the performance. Concrete surface protection materials can be broadly divided into cement-based and synthetic resin-based products. For cement-based powder products, the application thickness should be less than 1 mm, and if the construction thickness is more than 1 mm, cracks will occur on the plastered surface.

또한 합성수지계는 도장재로 에폭시 및 우레탄 계열을 주로 사용하고 있으나, 에폭시계 표면보호재는 자외선에 노출시 변색의 문제점이 있으며, 우레탄 계열은 온도에 따른 수축에 민감하여 들뜸 현상이 발생될 수 있다.In addition, synthetic resins mainly use epoxy and urethane-based coating materials, but epoxy-based surface protection materials have a problem of discoloration when exposed to ultraviolet rays, and urethane-based materials are sensitive to shrinkage according to temperature, so a lifting phenomenon may occur.

또한 아크릴계 합성수지를 50% 이상으로 안료, 방수제 등을 배합하여 은폐력, 작업성, 부착성이 양호한 표면보호재는 시공이 편리하나, 콘크리트와의 수축ㆍ팽창의 차이에 의해 표면 코팅층이 박리되면서 서로 분리된다. 이로 인해 박리된 공간에 습기가 침투하여 유기물질이 부패하는 것과 통기성이 취약하여 중성화로 인한 콘크리트 구조물의 내구성을 저하시키는 등의 문제점이 있다.In addition, a surface protection material with good hiding power, workability, and adhesion by mixing pigments and waterproofing agents with 50% or more of acrylic synthetic resin is convenient, but the surface coating layer is peeled off due to the difference in shrinkage and expansion with concrete. . As a result, there are problems such as moisture permeating into the peeled space, causing organic materials to decay, and poor ventilation, reducing the durability of the concrete structure due to neutralization.

이러한 문제점을 해결하기 위해, 한국 등록특허 제 10-1031980호에 ‘강도 및 내구성이 우수한 속경성 마감재 조성물 및 이를 이용한 콘크리트 구조물의 보수 공법’이 개시되어 있다.In order to solve this problem, Korean Patent Registration No. 10-1031980 discloses a 'quick-hardening finishing material composition having excellent strength and durability and a method for repairing a concrete structure using the same'.

상기 발명은, 속경성 결합재 40~95중량% 및 수용성 에멀젼 결합재 5~60중량%를 포함하며, 상기 속경성 결합재는 보통 시멘트 25~55중량%, 초조강 시멘트 5~25 중량%, 칼슘설포알루미네이트 2~25중량%, 플라이애쉬 3~20중량%, 고로슬래그 3~20중량%, 석고 1~10 중량% 및 규사 25~55중량%를 포함하고, 상기 수용성 에멀젼 결합재는 무기물간의 결합을 유도하기 위한 스티렌-부타디엔 에멀젼 40~70중량%, 부착력, 인성 및 탄성을 개선하기 위한 아크릴 에멀젼 10~40중량%, 표면경도 및 자기치유성을 개선하기 위한 칼슘실리케이트 5~25중량%, 강도 및 내구성을 개선하기 위한 무기산화물 0.1~5중량% 및 발수 방수 기능을 개선하기 위한 진크암모늄클로라이드 0.01~10 중량%를 포함하는 강도 및 내구성이 우수한 속경성 마감재 조성물 및 이를 이용한 콘크리트 구조물의 보수공법에 관한 것이다.The invention comprises 40 to 95% by weight of a fast-hardening binder and 5 to 60% by weight of a water-soluble emulsion binder, and the fast-hardening binder is usually 25 to 55% by weight of cement, 5 to 25% by weight of super-strength cement, calcium sulfoalumin 2 to 25% by weight of nate, 3 to 20% by weight of fly ash, 3 to 20% by weight of blast furnace slag, 1 to 10% by weight of gypsum, and 25 to 55% by weight of silica sand, and the water-soluble emulsion binder induces bonding between inorganic substances 40 to 70% by weight of a styrene-butadiene emulsion, 10 to 40% by weight of an acrylic emulsion to improve adhesion, toughness and elasticity, 5 to 25% by weight of calcium silicate to improve surface hardness and self-healing properties, strength and durability It relates to a fast-hardening finishing material composition excellent in strength and durability comprising 0.1 to 5% by weight of inorganic oxide to improve water repellency and 0.01 to 10% by weight of zinc ammonium chloride to improve water repellency and waterproofing, and a method for repairing concrete structures using the same .

상기 발명에 의한 속경성 마감재 조성물은, 스티렌-부타디엔 에멀젼, 아크릴 에멀젼, 칼슘 실리케이트, 무기산화물 및 진크암모늄클로라이드가 혼합된 수용성 에멀젼 결합재를 사용함으로써 고유동성, 탄성, 접착력, 강도, 내구성, 자기치유성 및 자기세정성이 우수한 성질을 갖는다.The fast-setting finishing material composition according to the present invention has high fluidity, elasticity, adhesion, strength, durability, self-healing properties by using a water-soluble emulsion binder mixed with styrene-butadiene emulsion, acrylic emulsion, calcium silicate, inorganic oxide and zinc ammonium chloride. and excellent self-cleaning properties.

그러나 상기와 같은 선행기술은 시멘트계 재료가 기본적으로 사용되는 폴리머 시멘트계 마감재로 시공두께가 증가함에 따라 경화 시 건조수축에 따른 균열 발생과 이로 인한 누수, 내구성 저하 등의 문제점이 있었다.However, the prior art as described above is a polymer cement-based finishing material in which a cement-based material is basically used, and as the construction thickness increases, there are problems such as cracks due to drying shrinkage during hardening, water leakage, and deterioration of durability.

따라서 상술한 바와 같은 문제점을 해결하기 위해 건조 시에도 수축에 따른 균열 발생을 최소화하고 방수성 및 수밀성을 높여 표면 보호 성능을 극대화한, 콘크리트 구조물의 표면 보호용 마감재 조성물 및 이를 이용한 도장 공법 을 개발할 필요성이 대두되는 실정이다.Therefore, in order to solve the above-mentioned problems, there is a need to develop a finishing material composition for surface protection of concrete structures and a coating method using the same, which minimizes the occurrence of cracks due to shrinkage even during drying and maximizes the surface protection performance by increasing waterproofness and watertightness. it is becoming.

본 발명은 상기 기술의 문제점을 극복하기 위해 안출된 것으로, 부착성이 뛰어나고 건조수축에 따른 균열 발생을 최소화하여 건축 구조물에 대한 표면 보호 성능이 뛰어난, 콘크리트 구조물의 표면 보호용 마감재 조성물을 제공하는 것을 주요 목적으로 한다.The present invention has been devised to overcome the problems of the above technology, and it is the main objective to provide a finishing composition for surface protection of concrete structures, which has excellent adhesion properties and excellent surface protection performance for building structures by minimizing the occurrence of cracks due to drying shrinkage. The purpose.

본 발명의 다른 목적은, 본 발명의 마감재 조성물을 통해 형성된 도막의 기계적 강도를 향상시키고 방수성을 향상시킬 수 있도록 하는 것이다.Another object of the present invention is to improve the mechanical strength of the coating film formed through the finishing material composition of the present invention and to improve waterproofness.

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상기 목적을 달성하기 위하여, 본 발명에 따른 콘크리트 구조물의 표면 보호용 마감재 조성물은, 아크릴 에멀젼 10 내지 20 중량부, 이산화타이타늄, 카올린(Kaolin), 탈크(Talc), 탄산칼슘 중 적어도 어느 하나로 이루어진 무기 필러 15 내지 60 중량부, 정제수 35 내지 45 중량부를 포함하는 것을 특징으로 한다.In order to achieve the above object, the finishing material composition for protecting the surface of a concrete structure according to the present invention is an inorganic filler consisting of at least one of 10 to 20 parts by weight of an acrylic emulsion, titanium dioxide, kaolin, talc, and calcium carbonate. 15 to 60 parts by weight, and 35 to 45 parts by weight of purified water.

또한, 상기 무기 필러는, 이산화타이타늄 20 내지 40 중량부, 카올린 5 내지 20 중량부, 탈크 20 내지 40 중량부, 탄산칼슘 20 내지 40 중량부의 혼합물인 것을 특징으로 한다.In addition, the inorganic filler is characterized in that the mixture of 20 to 40 parts by weight of titanium dioxide, 5 to 20 parts by weight of kaolin, 20 to 40 parts by weight of talc, and 20 to 40 parts by weight of calcium carbonate.

더불어, 상기 마감재 조성물은, 비닐아세테이트-부틸아크릴레이트 공중합체(Vinyl acetate-Butyl acrylate Copolymer)를 포함하는 방수성 강화제 1 내지 10 중량부를 포함하는 것을 특징으로 한다.In addition, the finishing material composition, vinyl acetate- butyl acrylate copolymer (Vinyl acetate-Butyl acrylate Copolymer) is characterized in that it contains 1 to 10 parts by weight of a waterproofing strengthening agent.

추가적으로, 상기 방수성 강화제는, 비닐아세테이트-부틸아크릴레이트 공중합체(Vinyl acetate-Butyl acrylate Copolymer) 20 내지 50 중량부와 폴리메틸메타크릴레이트(Polymethyl Methacrylate) 10 내지 20 중량부, 메틸에틸케톤(methylethylketone) 30 내지 70 중량부를 혼합하여 1차 용액을 제조하는 단계; 상기 1차 용액 50 내지 80 중량부와, 셀로솔브아세테이트(Cellosolve Acetate) 10 내지 20 중량부 및, 폴리에틸렌디옥시티오펜(poly(3,4- ethylene dioxythiophene)) 10 내지 30 중량부를 혼합하여 2차 용액을 제조하는 단계; 상기 2차 용액 75 내지 90 중량부와, 로거스트빈검(locust bean gum) 5 내지 15 중량부 및, 아세틸트라이부틸시트레이트(Acetyl Tributyl Citrate)를 포함하는 표면 강화제 1 내지 10 중량부를 혼합하여 방수성 강화제를 완성하는 단계;를 통해 제조되는 것을 특징으로 한다.Additionally, the waterproof strengthening agent, vinyl acetate-butyl acrylate copolymer (Vinyl acetate-Butyl acrylate Copolymer) 20 to 50 parts by weight and polymethyl methacrylate (Polymethyl Methacrylate) 10 to 20 parts by weight, methyl ethyl ketone (methylethylketone) preparing a first solution by mixing 30 to 70 parts by weight; 50 to 80 parts by weight of the first solution, 10 to 20 parts by weight of Cellosolve Acetate, and 10 to 30 parts by weight of polyethylene dioxythiophene (poly(3,4-ethylene dioxythiophene)) are mixed to obtain a second solution preparing a; 75 to 90 parts by weight of the secondary solution, 5 to 15 parts by weight of locust bean gum, and 1 to 10 parts by weight of a surface strengthening agent containing Acetyl Tributyl Citrate are mixed to form a waterproofing agent Completing the; characterized in that it is manufactured through.

본 발명에 따른 콘크리트 구조물의 표면 보호용 마감재 조성물 및 이를 이용한 도장공법에 의하면,According to the finishing material composition for surface protection of a concrete structure according to the present invention and a coating method using the same,

1) 아크릴 에멀젼을 바인더로 하는 마감재를 구성하여 부착성이 뛰어나고 건조수축에 따른 균열 발생을 최소화하여 건축 구조물에 대한 표면 보호 성능을 높였으며,1) By composing a finishing material using acrylic emulsion as a binder, it has excellent adhesion and minimizes cracking due to drying and shrinkage to improve the surface protection performance of building structures.

2) 비닐아세테이트-부틸아크릴레이트 공중합체를 포함하는 방수성 강화제를 첨가하여 도막의 기계적 강도를 향상시키고 방수성을 향상시킬 수 있는 효과를 제공한다.2) By adding a waterproofing reinforcing agent including a vinyl acetate-butyl acrylate copolymer, the mechanical strength of the coating film is improved and the effect of improving the waterproofness is provided.

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도 1은 평가결과를 나타낸 표.
도 2는 방수성 강화제를 제조하는 단계를 도시한 순서도.
도 3은 표면 강화제를 제조하는 방법을 도시한 순서도.
도 4는 본 발명의 마감재 조성물을 통해 도장이 완료된 단면을 도시한 단면도.1 is a table showing evaluation results.
Figure 2 is a flow chart showing the steps of manufacturing a waterproof reinforcement.
3 is a flowchart illustrating a method for preparing a surface strengthening agent.
Figure 4 is a cross-sectional view showing a cross-section of the painting is completed through the finishing material composition of the present invention.

이하 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세하게 설명하도록 한다. 첨부된 도면은 축척에 의하여 도시되지 않았으며, 각 도면의 동일한 참조 번호는 동일한 구성 요소를 지칭한다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The accompanying drawings are not drawn to scale, and like reference numbers in each drawing refer to like elements.

기본적으로, 본 발명의 콘크리트 구조물의 표면 보호용 마감재 조성물은 아크릴 에멀젼 10 내지 20 중량부, 이산화타이타늄, 카올린(Kaolin), 탈크(Talc), 탄산칼슘 중 적어도 어느 하나로 이루어진 무기 필러 15 내지 60 중량부, 정제수 35 내지 45 중량부를 포함하는 것을 특징으로 한다.Basically, the finishing material composition for surface protection of a concrete structure of the present invention contains 10 to 20 parts by weight of an acrylic emulsion, 15 to 60 parts by weight of an inorganic filler consisting of at least one of titanium dioxide, kaolin, talc, and calcium carbonate, It is characterized in that it contains 35 to 45 parts by weight of purified water.

아크릴 에멀젼은 바인더로서의 역할을 수행하며, 접착성이 뛰어난 수지이다. 아크릴 에멀젼은 기본적으로 아크릴산 에스테르나 메타크릴산 에스테르, 나아가 불포화 카르복실산, 아크릴 단량체 등을 포함하여 구성될 수 있다. 이러한 아크릴 에멀젼은 옥외에 노출시켜도 변색하지 않고, 내약품성도 좋으며, 전기절연성, 내수성이 모두 양호한 특징을 보이는 특징이 있다.Acrylic emulsion serves as a binder and is a resin with excellent adhesion. The acrylic emulsion may basically include acrylic acid ester or methacrylic acid ester, further unsaturated carboxylic acid, acrylic monomer, and the like. These acrylic emulsions do not discolor even when exposed to the outdoors, have good chemical resistance, and have good electrical insulation and water resistance.

여기서 불포화 카르복실산으로서는 아크릴릭애씨드, 메타크릴릭애씨드, 크로토닉애씨드, 이타코닉애씨드, 말레익애씨드 중 적어도 하나 이상이 이용될 수 있다.Here, as the unsaturated carboxylic acid, at least one or more of acrylic acid, methacrylic acid, crotonic acid, itaconic acid, and maleic acid may be used.

더불어 아크릴 단량체로써는 아크릴로니트릴, 아크릴아마이드, N-하이드록시아크릴아마이드, N-뷰톡시 메틸아크릴아마이드, 스티렌, 비닐아세테이트 중 적어도 어느 하나가 이용될 수 있다.In addition, as the acrylic monomer, at least one of acrylonitrile, acrylamide, N-hydroxyacrylamide, N-butoxy methylacrylamide, styrene, and vinyl acetate may be used.

무기 필러는 표면 보호용 마감재 조성물을 통해 형성된 도막의 강도 및 내구성을 높이고 내열성, 내화성, 은폐력을 높이기 위해 첨가된다. 이러한 무기 필러로써는 이산화타이타늄, 카올린(Kaolin), 탈크(Talc), 탄산칼슘 중 적어도 어느 하나가 이용될 수 있다.Inorganic fillers are added to increase the strength and durability of the coating film formed through the surface protection finishing composition, and to increase heat resistance, fire resistance, and hiding power. At least one of titanium dioxide, kaolin, talc, and calcium carbonate may be used as the inorganic filler.

이산화타이타늄은 티타니아 파우더라고도 하며, 은폐력이 우수한 특성이 있어 일반적으로 수성 도료로 사용된다. 이산화티타늄 첨가에 따라 피막 강도의 향상을 기대할 수 있다.Titanium dioxide, also called titania powder, has excellent hiding power and is generally used as a water-based paint. An improvement in film strength can be expected with the addition of titanium dioxide.

카올린은 천연으로 생산되는 함수규산 알루미늄, 백색 또는 유백색의 분말이고 약간 점토같은 냄새가 있다. 요업, 의약품, 식품 첨가제, 코팅종이, 화장품 및 치약에 사용되며, 활택성 향상 효과가 있다.Kaolin is a naturally produced hydrous aluminum silicate, white or milky white powder and has a slightly clay-like odor. It is used in ceramics, pharmaceuticals, food additives, coated paper, cosmetics and toothpaste, and has the effect of improving lubricity.

탈크는 규산 마그네슘의 수화물 등으로 구성된 미네랄이며 "활석"이라고도 한다. 도료, 종이, 내화·보온용 내화재, 화장품, 의약품 등을 만들 때 사용된다. 첨가에 따라 내화성, 내열성이 향상되는 효과가 있다.Talc is a mineral composed of magnesium silicate hydrate and the like, and is also called "talc". It is used to make paints, paper, fire-resistance and thermal insulation materials, cosmetics, and pharmaceuticals. There is an effect of improving fire resistance and heat resistance according to the addition.

탄산칼슘은 칼슘의 탄산염으로 대리석·방해석·선석(霰石)·석회석·백악·빙주석·조개껍데기·달걀껍데기·산호 등으로서 산출된다. 시멘트의 주원료이기도 하며, 경제성이 뛰어나며 도막 강도 향상 효과가 높다는 특성이 있다.Calcium carbonate is a carbonate of calcium and is produced as marble, calcite, berne, limestone, chalk, ice tin, seashell, eggshell, coral, etc. It is also a main raw material for cement, and has excellent economic feasibility and a high effect of improving the strength of the coating film.

이러한 무기 필러는 이산화타이타늄, 카올린(Kaolin), 탈크(Talc), 탄산칼슘 중 적어도 어느 하나로 이루어지나, 바람직하게는 무기 필러는 이산화타이타늄 20 내지 40 중량부, 카올린 5 내지 20 중량부, 탈크 20 내지 40 중량부, 탄산칼슘 20 내지 40 중량부의 혼합물일 수 있다.Such an inorganic filler is made of at least one of titanium dioxide, kaolin, talc, and calcium carbonate, but preferably the inorganic filler is 20 to 40 parts by weight of titanium dioxide, 5 to 20 parts by weight of kaolin, 20 to 20 parts by weight of talc 40 parts by weight may be a mixture of 20 to 40 parts by weight of calcium carbonate.

따라서 이산화타이타늄, 탈크, 탄산칼슘을 베이스로 하되, 여기서 카올린이 첨가된 형태이며, 따라서 이산화타이타늄, 탈크, 탄산칼슘을 통한 피막강도 향상 뿐 아니라 카올린 첨가에 따른 활택성 향상 및 변색 방지 효과를 함께 기대할 수 있는 것이다.Therefore, it is based on titanium dioxide, talc, and calcium carbonate, but kaolin is added here. Therefore, it is expected that not only the film strength is improved through titanium dioxide, talc, and calcium carbonate, but also the lubricity and discoloration prevention effects are expected by the addition of kaolin. it can be

이러한 아크릴 에멀젼 및 무기 필러는 정제수를 용매로 하여 안정한 분산액 상을 이뤄 콘크리트 구조물의 표면에서 고른 피막을 나타낼 수 있으며 아크릴 에멀젼을 바인더로 포함하여 접착성이 뛰어나면서도 방수성 및 수밀성이 뛰어나고, 첨가된 무기 필러들로 인해 내열성, 내화성, 은폐성이 향상된 특성이 있다.These acrylic emulsions and inorganic fillers use purified water as a solvent to form a stable dispersion phase to show an even film on the surface of concrete structures. They have improved heat resistance, fire resistance, and hiding properties.

이하, 본 발명을 구체적으로 설명하기 위해 실시예 및 대조예를 들어 비교함으로서 설명하기로 한다. 후술될 실시예 및 대조예에 대해서는 25명의 평가단이 실시예 및 대조예의 견고함 및 균일함(표면 보호용 마감재 조성물의 품질)을 관찰 및 평가하여, 본 발명의 표면 보호용 마감재 조성물이 건조된 상태에서의 견고함 및 균일함(표면 보호용 마감재 조성물의 품질)을 각각 매우 좋음(5), 좋음(4), 보통(3), 나쁨(2), 매우 나쁨(1)의 5단계로 평가하여 그 평균점을 판정하였다.Hereinafter, in order to describe the present invention in detail, it will be described by comparing examples and control examples. For Examples and Control Examples, which will be described later, a 25-person evaluation group observed and evaluated the firmness and uniformity (quality of the surface protection composition composition) of the Examples and Control Examples, and the surface protection finishing material composition of the present invention was dried in a dry state. Evaluate the firmness and uniformity (quality of the finishing material composition for surface protection) into 5 levels of very good (5), good (4), average (3), poor (2), and very bad (1), and the average score judged.

이때 견고함은 본 발명의 표면 보호용 마감재 조성물의 건조 도막과 시판 도료용 마감재의 건조 도막을 금속 부품으로 10회의 강한 스크래치를 준 후 평가단이 건조 도막 표면에서 관찰되는 상태에 대한 평가를 표시하였다. 본 발명의 표면 보호용 마감재 조성물 건조 도막과 시판 도료용 마감재의 건조 도막에 대해 상태가 양호할수록 매우 좋음(5)에 가깝게, 불량할수록 매우 나쁨(1)에 가깝게 평가하도록 하였다.At this time, the firmness is the dry coating film of the finishing material composition for surface protection of the present invention and the dry coating film of the commercial coating material after giving strong scratches 10 times with a metal part. For the dry coating film of the finishing material composition for surface protection of the present invention and the dry coating film of the commercially available finishing material, the better the condition, the closer to very good (5), and the worse it was, the closer to very bad (1).

또한 균일함(표면 보호용 마감재 조성물의 품질)은 평가단이 건조된 본 발명의 표면 보호용 마감재 조성물을 보았을 때 겉으로 보이는 균일함(표면 보호용 마감재 조성물의 품질)에 대한 평가단의 평가를 표시하였다. 본 발명의 표면 보호용 마감재 조성물와 시판 도료용 마감재의 균일함(품질)이 잘 느껴질수록 매우 좋음(5)에 가깝게, 균일해 보이지 않을수록 매우 나쁨(1)에 가깝게 평가하도록 하였다.In addition, the uniformity (quality of the finishing material composition for surface protection) indicates the evaluation of the evaluation group for the apparent uniformity (quality of the finishing material composition for surface protection) when the evaluation group looked at the dried surface protection finishing material composition of the present invention. The uniformity (quality) of the finishing material composition for surface protection of the present invention and the commercially available finishing material for paint was evaluated to be close to very good (5), and as it did not look uniform, it was evaluated to be close to very bad (1).

<실시예 1><Example 1>

이산화타이타늄 30g, 카올린 10g, 탈크 30g, 탄산칼슘 30g을 혼합하여 무기 필러 100g을 제조하였다.30 g of titanium dioxide, 10 g of kaolin, 30 g of talc, and 30 g of calcium carbonate were mixed to prepare 100 g of inorganic filler.

아크릴 에멀젼 15g, 준비된 무기 필러 50g, 정제수 35g을 혼합하여 본 발명의 표면 보호용 마감재 조성물을 제조하였다.15 g of the acrylic emulsion, 50 g of the prepared inorganic filler, and 35 g of purified water were mixed to prepare the finishing composition for surface protection of the present invention.

제조된 조성물을 가로 세로 1미터, 두께 1센티미터의 구조물 표면에 젖은 도막 두께 65 마이크로미터가 되도록 도포하고 건조 처리하였다.The prepared composition was applied to the surface of the structure having a width of 1 meter and a thickness of 1 cm so that a wet film thickness of 65 micrometers was applied and dried.

<실시예 2><Example 2>

이산화타이타늄 30g, 탈크 30g, 탄산칼슘 30g을 혼합하여 무기 필러 90g을 제조하였다.30 g of titanium dioxide, 30 g of talc, and 30 g of calcium carbonate were mixed to prepare 90 g of inorganic filler.

아크릴 에멀젼 15g, 준비된 무기 필러 50g, 정제수 35g을 혼합하여 본 발명의 표면 보호용 마감재 조성물을 제조하였다.15 g of the acrylic emulsion, 50 g of the prepared inorganic filler, and 35 g of purified water were mixed to prepare the finishing composition for surface protection of the present invention.

제조된 조성물을 가로 세로 1미터, 두께 1센티미터의 구조물 표면에 젖은 도막 두께 65 마이크로미터가 되도록 도포하고 건조 처리하였다.The prepared composition was applied to the surface of the structure having a width of 1 meter and a thickness of 1 cm so that a wet film thickness of 65 micrometers was applied and dried.

<실시예 3><Example 3>

이산화타이타늄 30g, 탄산칼슘 30g을 혼합하여 무기 필러 60g을 제조하였다.30 g of titanium dioxide and 30 g of calcium carbonate were mixed to prepare 60 g of inorganic filler.

아크릴 에멀젼 15g, 준비된 무기 필러 50g, 정제수 35g을 혼합하여 본 발명의 표면 보호용 마감재 조성물을 제조하였다.15 g of the acrylic emulsion, 50 g of the prepared inorganic filler, and 35 g of purified water were mixed to prepare the finishing composition for surface protection of the present invention.

제조된 조성물을 가로 세로 1미터, 두께 1센티미터의 구조물 표면에 젖은 도막 두께 65 마이크로미터가 되도록 도포하고 건조 처리하였다.The prepared composition was applied to the surface of the structure having a width of 1 meter and a thickness of 1 cm so that a wet film thickness of 65 micrometers was applied and dried.

<대조예><contrast example>

아크릴 에멀젼 15g, 포틀랜드 시멘트 50g, 정제수 35g을 혼합하여 종래의 시판 도료용 마감재을 제조하였다.15 g of acrylic emulsion, 50 g of Portland cement, and 35 g of purified water were mixed to prepare a finishing material for a conventional commercial paint.

제조된 조성물을 가로 세로 1미터, 두께 1센티미터의 구조물 표면에 젖은 도막 두께 65 마이크로미터가 되도록 도포하고 건조 처리하였다.The prepared composition was applied to the surface of the structure having a width of 1 meter and a thickness of 1 cm so that a wet film thickness of 65 micrometers was applied and dried.

도 1은 평가결과를 나타낸 표이다.1 is a table showing evaluation results.

도 1에 나타난 바를 통해, 평가단이 실시예와 대조예로 제조된 건조 도막을 금속 부품으로 10회 강한 스크래치를 준 후 느껴지는 견고함을 평균 점수로 표현하여 표로 나타낸 것이며, 앞서 설명과 같이 실시예 1 내지 3은 대조예와 비교하여 높은 평가 점수를 얻었다. 따라서 본 발명의 표면 보호용 마감재 조성물 건조 도막과 시판 도료용 마감재의 건조 도막보다 더 견고하다는 것을 알 수 있다.Through the bar shown in FIG. 1, the evaluation team gave the dry coating films prepared in Examples and Controls 10 times strong scratches with metal parts, and expressed in a table by expressing the average score, and as described above, Example 1 3 to 3 obtained a high evaluation score compared to the control example. Therefore, it can be seen that the dry coating film of the finishing material composition for surface protection of the present invention is stronger than the dry coating film of the commercially available finishing material for paint.

더불어 본 발명의 마감재 조성물은, 비닐아세테이트-부틸아크릴레이트 공중합체(Vinyl acetate-Butyl acrylate Copolymer)를 포함하는 방수성 강화제 1 내지 10 중량부를 더 포함할 수 있다.In addition, the finishing material composition of the present invention may further include 1 to 10 parts by weight of a waterproofing strengthening agent including vinyl acetate-butyl acrylate copolymer (Vinyl acetate-Butyl acrylate Copolymer).

비닐아세테이트-부틸아크릴레이트 공중합체는 마감재 조성물에 첨가시 형성되는 도막의 기계적 강도를 향상시키고 방수성을 향상시킬 수 있을 뿐 아니라 첨가 시 마감재 조성물의 접착력을 향상시킬 수 있어, 형성된 도막의 내구성을 향상시키는 효과가 있다.Vinyl acetate-butyl acrylate copolymer can improve the mechanical strength and waterproofness of the coating film formed when added to the finishing material composition, and can also improve the adhesion of the finishing material composition when added, thereby improving the durability of the formed coating film. It works.

여기서 방수성 강화제는 비닐아세테이트-부틸아크릴레이트 공중합체 뿐 아니라 추가적인 다른 성분들을 더 포함할 수 있는데, 이에 대해 도면과 함께 설명하면 다음과 같다.Here, the waterproof enhancer may further include additional other components as well as the vinyl acetate-butyl acrylate copolymer, which will be described with reference to the drawings.

도 2는 방수성 강화제를 제조하는 단계를 도시한 순서도이다.Figure 2 is a flow chart showing the steps of manufacturing a waterproof reinforcement.

도 2를 참조하여 설명하면, 본 발명의 방수성 강화제는, 1차 용액을 제조하는 단계(S11), 2차 용액을 제조하는 단계(S12), 방수성 강화제를 완성하는 단계(S13)을 통해 제조되는 것을 특징으로 한다.Referring to FIG. 2 , the waterproof enhancer of the present invention is manufactured through a step of preparing a first solution (S11), a step of preparing a secondary solution (S12), and a step of completing the waterproofing agent (S13). characterized in that

(S11) 1차 용액을 제조하는 단계(S11) preparing the first solution

먼저, 비닐아세테이트-부틸아크릴레이트 공중합체(Vinyl acetate-Butyl acrylate Copolymer) 20 내지 50 중량부와 폴리메틸메타크릴레이트(Polymethyl Methacrylate) 10 내지 20 중량부, 메틸에틸케톤(methylethylketone) 30 내지 70 중량부를 혼합하여 1차 용액을 제조한다.First, 20 to 50 parts by weight of vinyl acetate-butyl acrylate copolymer, 10 to 20 parts by weight of polymethyl methacrylate, and 30 to 70 parts by weight of methylethylketone Mix to prepare a primary solution.

비닐아세테이트-부틸아크릴레이트 공중합체(Vinyl acetate-Butyl acrylate Copolymer)는 상술한 바와 같이 첨가 시 형성되는 도막의 방수성을 높이고 기계적 강도를 향상시킬 뿐 아니라 접착력을 강화하는 효과가 있다고 하였다.It was said that vinyl acetate-butyl acrylate copolymer (Vinyl acetate-Butyl acrylate Copolymer) has the effect of enhancing the adhesion strength as well as increasing the waterproofness of the coating film formed when it is added as described above, and improving mechanical strength.

폴리메틸메타크릴레이트(Polymethyl Methacrylate)는 메틸메타크릴레이트의 중합체로써 점착성이 뛰어나고 결정성이 높으며, 건조 시 광택감을 나타내며 피막강도를 높이고 피막 형성을 돕는 효과가 있다.Polymethyl methacrylate (Polymethyl Methacrylate) is a polymer of methyl methacrylate, has excellent adhesion and high crystallinity, exhibits glossiness when dried, and has the effect of increasing film strength and helping film formation.

메틸에틸케톤은 본 발명의 방수성 강화제에 포함된 성분 등을 통해 점도가 과하게 증가될 수 있는 경우에 대비해, 점도를 일부 낮추기 위해 첨가되며 이를 통한 혼합성 개선에 도움을 준다. 더불어 비닐아세테이트-부틸아크릴레이트 공중합체 및 폴리메틸메타크릴레이트에 대한 용매로써의 역할을 수행한다.Methyl ethyl ketone is added to partially lower the viscosity in case the viscosity may be excessively increased through the components included in the waterproof enhancer of the present invention, and thus helps to improve the mixability. In addition, it serves as a solvent for the vinyl acetate-butyl acrylate copolymer and polymethyl methacrylate.

(S12) 2차 용액을 제조하는 단계(S12) preparing a secondary solution

다음으로, 1차 용액 50 내지 80 중량부와, 셀로솔브아세테이트(Cellosolve Acetate) 10 내지 20 중량부 및, 폴리에틸렌디옥시티오펜(poly(3,4- ethylene dioxythiophene)) 10 내지 30 중량부를 혼합하여 2차 용액을 제조한다.Next, 50 to 80 parts by weight of the first solution, 10 to 20 parts by weight of Cellosolve Acetate, and 10 to 30 parts by weight of polyethylene dioxythiophene (poly(3,4-ethylene dioxythiophene)) are mixed to form 2 Prepare the tea solution.

셀로솔브아세테이트(Cellosolve Acetate)는 일반적으로 페인트의 용제 및 유기용제로 이용되는 것으로서, 첨가에 따라 방수성 강화제가 첨가된 마감재 조성물로 하여금 얼룩지지 않고 평탄한 도막을 얻을 수 있도록 돕는 효과가 있다.Cellosolve acetate (Cellosolve Acetate) is generally used as a solvent and an organic solvent for paint, and has an effect of helping the finishing material composition to which a waterproofing enhancer is added according to the addition to obtain a flat coating film without staining.

폴리에틸렌디옥시티오펜은 도전성 고분자의 일종이며, 방수성 강화제 첨가에 따라 본 발명의 마감재 조성물을 통해 형성된 도막이 대전방지 효과를 얻도록 하여 방오성을 높이는 효과를 제공한다.Polyethylenedioxythiophene is a kind of conductive polymer, and according to the addition of a waterproofing agent, the coating film formed through the finishing material composition of the present invention obtains an antistatic effect, thereby providing an effect of increasing antifouling properties.

(S13) 방수성 강화제를 완성하는 단계(S13) Step of completing the waterproof reinforcement

마지막으로, 2차 용액 75 내지 90 중량부와, 로거스트빈검(locust bean gum) 5 내지 15 중량부 및, 아세틸트라이부틸시트레이트(Acetyl Tributyl Citrate)를 포함하는 표면 강화제 1 내지 10 중량부를 혼합하여 방수성 강화제를 완성한다.Finally, 75 to 90 parts by weight of the secondary solution, 5 to 15 parts by weight of locust bean gum, and 1 to 10 parts by weight of a surface strengthening agent including Acetyl Tributyl Citrate are mixed. Complete waterproof reinforcement.

여기서 첨가되는 로거스트빈검은 주콩나무(Leguminosae) 종자의 배유에서 얻은 검으로 주로 갈락토오스와 만노오스들이 배당체 결합을 하고 있는 고분자콜로이드성 다당류이다. 결합제, 유화안정제, 점도증가제, 점착제의 역할을 수행하여 방수성 강화제에 포함된 성분들의 혼합성을 높임과 동시에 점착성을 높여 도막강도를 향상시키는데 기여할 수 있다.The logust bean gum added here is a gum obtained from the endosperm of leguminosae seeds, and is a high molecular weight colloidal polysaccharide in which galactose and mannose are mainly bound to glycosides. By acting as a binder, emulsion stabilizer, viscosity increasing agent, and adhesive, it can contribute to improving the strength of the coating film by increasing the mixability of the components included in the waterproofing enhancer and at the same time increasing the adhesion.

표면 강화제의 유효 성분으로써는 아세틸트라이부틸시트레이트(Acetyl Tributyl Citrate)가 첨가되는데, 아세틸트라이부틸시트레이트는 피막 형성제이자 가소제로써 방수성 강화제가 첨가된 마감재 조성물의 탄성률을 높이고 유연성을 강화하기 위해 첨가된다.Acetyl tributyl citrate is added as an active ingredient in the surface strengthening agent. Acetyl tributyl citrate is a film former and plasticizer added to enhance the elasticity and flexibility of the waterproofing agent-added finishing composition. do.

따라서 이와 같은 방수성 강화제 첨가에 따라, 방수성이 향상되고 점착성이 향상될 뿐 아니라, 광택감 있는 도막을 얻을 수 있어 외관이 수려해지며 나아가 레벨링성이 뛰어나 평탄한 도막을 얻을 수 있는 효과가 있다.Therefore, according to the addition of the waterproof enhancer, waterproofness is improved and adhesiveness is improved, and a glossy coating film can be obtained, so that the appearance is beautiful, and furthermore, there is an effect of obtaining a flat coating film having excellent leveling properties.

나아가 본 발명의 표면 강화제는 아세틸트라이부틸시트레이트 외에도 추가적인 성분들을 더 포함할 수 있는데, 이에 대해 도면과 함께 설명하면 다음과 같다.Furthermore, the surface strengthening agent of the present invention may further include additional components in addition to acetyl tributyl citrate, which will be described with reference to the drawings as follows.

도 3은 표면 강화제를 제조하는 방법을 도시한 순서도이다.3 is a flowchart illustrating a method for preparing a surface strengthening agent.

도 3을 참조하여 설명하면, 본 발명의 표면 강화제는, 제 1 용액을 제조하는 단계(S21), 제 2 용액을 제조하는 단계(S22), 표면 강화제를 완성하는 단계(S23)을 통해 제조될 수 있다.Referring to FIG. 3 , the surface strengthening agent of the present invention is to be prepared through a step of preparing a first solution (S21), a step of preparing a second solution (S22), and a step of completing the surface strengthening agent (S23). can

(S21) 제 1 용액을 제조하는 단계(S21) preparing a first solution

먼저, 아세틸트라이부틸시트레이트(Acetyl Tributyl Citrate) 20 내지 40 중량부, 폴리피롤(polypyrole) 10 내지 15 중량부, 에틸아세테이트 45 내지 65 중량부를 혼합하여 제 1 용액을 제조한다.First, 20 to 40 parts by weight of acetyl tributyl citrate, 10 to 15 parts by weight of polypyrole, and 45 to 65 parts by weight of ethyl acetate are mixed to prepare a first solution.

상술한 바와 같이 아세틸트라이부틸시트레이트는 피막 형성제이자 가소제로써 마감재 조성물의 탄성률을 높이고 유연성을 강화하기 위해 첨가된다고 하였다.As described above, acetyl tributyl citrate is added as a film former and plasticizer to increase the elastic modulus of the finishing material composition and to enhance flexibility.

폴리피롤은 도전성을 갖는 유기 고분자로써, 단단한 피막을 형성할 수 있어 표면 강화제의 유효 성분으로 첨가 시 내구성을 높이고 피막강도를 향상시킴과 동시에 안티블로킹(anti-blocking)효과를 제공한다.Polypyrrole is a conductive organic polymer that can form a hard film, so that when added as an active ingredient of a surface strengthening agent, it increases durability, improves film strength, and provides an anti-blocking effect.

에틸아세테이트는 아세틸트라이부틸시트레이트 및 폴리피롤에 대한 용매로써 첨가되며, 에틸아세테이트는 에탄올, 에테르, 벤젠 등 거의 모든 유기용매와 임의의 비율로 섞일 수 있으며 유기 물질을 녹이는 힘이 강력하여 균질한 용액을 얻을 수 있도록 하는 용매로써의 기능을 수행한다.Ethyl acetate is added as a solvent for acetyl tributyl citrate and polypyrrole, and ethyl acetate can be mixed with almost all organic solvents such as ethanol, ether, and benzene in an arbitrary ratio. It functions as a solvent that allows it to be obtained.

(S22) 제 2 용액을 제조하는 단계(S22) preparing a second solution

다음으로, 제 1 용액 75 내지 90 중량부와, 2,4,6-트리메틸-2,4,6-트리비닐시클로트리실라잔(2,4,6-trimethyl-2,4,6-trivinylcyclo trisilazane) 5 내지 20 중량부와, 글리시딜메타크릴레이트(Glycidylmethacrylate) 5 내지 15 중량부를 혼합하여 제 2 용액을 제조한다.Next, 75 to 90 parts by weight of the first solution and 2,4,6-trimethyl-2,4,6-trivinylcyclotrisilazane (2,4,6-trimethyl-2,4,6-trivinylcyclo trisilazane) ) 5 to 20 parts by weight and 5 to 15 parts by weight of glycidylmethacrylate to prepare a second solution.

2,4,6-트리메틸-2,4,6-트리비닐시클로트리실라잔은 무기실라잔고분자의 일종으로, 무기 구조에 탄소가 없이 수소 원자만 결합되어 있어 경화되더라도 황변 현상이 없고 매우 투명한 네트워크를 형성하는 특징이 있어 표면 강화제 첨가시 외관이 수려하고 깨끗한 도막을 형성하며, 도막의 피막강도를 향상시킬 수 있다.2,4,6-trimethyl-2,4,6-trivinylcyclotrisilazane is a kind of inorganic silazane polymer. Since only hydrogen atoms are bonded to the inorganic structure without carbon, there is no yellowing phenomenon even when cured, and a very transparent network It has the characteristic of forming a surface-reinforcing agent, and when a surface strengthening agent is added, a beautiful and clean coating film is formed, and the film strength of the coating film can be improved.

글리시딜메타크릴레이트는 메타크릴레이트계열 물질로써 도료, 피혁, 제지, 화각섬유, 접착제, 점착제로 쓰이곤 하는 물질이다. 표면 강화제에 첨가에 따라 점착성을 향상시켜 도막의 부착 성능이 향상될 수 있다.Glycidyl methacrylate is a methacrylate-based material that is often used as a paint, leather, paper, fire angle fiber, adhesive, and adhesive. The adhesion performance of the coating film may be improved by improving the adhesion according to the addition to the surface strengthening agent.

(S23) 표면 강화제를 완성하는 단계(S23) Step of completing the surface strengthening agent

마지막으로, 제 2 용액 85 내지 95 중량부, 폴리비닐리덴플루오라이드(polyvinylidene fluoride) 5 내지 10 중량부, 1,6-헥산디올디글리시딜에테르(1,6-Hexanediol diglycidyl ether) 1 내지 5 중량부와 글리세릴스테아레이트(Glyceryl Stearate) 1 내지 5 중량부를 혼합하여 표면 강화제를 완성한다.Finally, 85 to 95 parts by weight of the second solution, 5 to 10 parts by weight of polyvinylidene fluoride, 1 to 5 parts by weight of 1,6-Hexanediol diglycidyl ether A surface strengthening agent is completed by mixing parts by weight and 1 to 5 parts by weight of glyceryl stearate.

폴리비닐리덴플루오라이드는 열가소성 불소 중합체로서 우수한 내화학성 및 171°C의 높은 융점을 가지며, 다른 불소수지와 달리 우수한 기계적 특성을 나타내는 물질이다. 내약품성, 내충격성 등이 뛰어나다. 따라서 폴리비닐리덴플루오라이드 첨가에 따라 마감재 조성물을 통해 형성된 도막의 내약품성 및 내충격성을 높여 내구성을 향상시킬 수 있다.Polyvinylidene fluoride is a thermoplastic fluoropolymer that has excellent chemical resistance and a high melting point of 171°C, and shows excellent mechanical properties unlike other fluororesins. Excellent chemical resistance and impact resistance. Therefore, by adding polyvinylidene fluoride, it is possible to improve durability by increasing the chemical resistance and impact resistance of the coating film formed through the finishing material composition.

1,6-헥산디올디글리시딜에테르(1,6-Hexanediol diglycidyl ether)는 분자 내에 2개 이상의 에폭시기를 갖는 화학물질로써 접착성을 높이고, 높은 내약품성 및 내화학성을 보임과 동시에 표면 강화제에 첨가 시 첨가된 마감재 조성물을 통해 형성된 도막에 유연성을 제공하는 역할을 수행한다.1,6-Hexanediol diglycidyl ether (1,6-Hexanediol diglycidyl ether) is a chemical substance having two or more epoxy groups in its molecule. When added, it serves to provide flexibility to the coating film formed through the added finishing material composition.

글리세릴스테아레이트는 야자열매와 콩오일에서 유래된 천연 성분으로써, 글리세린과 스테아릭애씨드의 에스터화 생성물이다. 유화제로서의 역할을 수행하여 표면 강화제에 포함되는 다양한 성분에 대한 혼합성을 높이는 역할을 한다.Glyceryl Stearate is a natural ingredient derived from coconut and soybean oil, and is the esterification product of glycerin and stearic acid. It serves as an emulsifier to increase the miscibility of various components included in the surface strengthening agent.

따라서 이와 같은 표면 강화제를 통해, 본 발명의 마감재 조성물을 통해 형성된 도막의 점착성을 높임과 동시에 높은 결정성의 치밀한 피막을 얻을 수 있도록 하고, 안티블로킹 효과를 더할 수 있음과 동시에 유연성을 겸비할 수 있도록 한 효과가 있다.
도 4는 본 발명의 마감재 조성물을 통해 도장이 완료된 단면을 도시한 단면도이다.Therefore, through such a surface strengthening agent, it is possible to increase the adhesion of the coating film formed through the finishing material composition of the present invention and obtain a dense film of high crystallinity, add an anti-blocking effect, and at the same time have flexibility. It works.
Figure 4 is a cross-sectional view showing a cross-section of the painting is completed through the finishing material composition of the present invention.

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도 4를 참조하여 본 발명의 콘크리트 구조물의 표면 보호용 마감재 조성물을 이용한 도장 공법에 대해 설명하면, 본 발명의 도장 공법은, 도장면의 불순물을 제거하는 단계, 프라이머층을 형성하는 단계, 도장층을 형성하는 단계를 포함하여 이루어진다.Referring to FIG. 4, the painting method using the finishing material composition for surface protection of a concrete structure of the present invention will be described. The painting method of the present invention includes the steps of removing impurities from the painted surface, forming a primer layer, and comprising the step of forming.

먼저, 도장이 이루어질 면, 즉 건축물의 내벽이나 건축 구조물 또는 철골 구조물의 외면이 될 수 있는 도장면(1)의 불순물을 제거한다. 이때 불순물 제거라 함은 도장면(1) 표면에 붙어 있을 수 있는 먼지 등의 이물질을 제거하는 과정이며, 이때 물이나 기타 세정용 액상 등을 이용해 도장면의 불순물을 제거할 수도 있다. 이때 불순물 제거 과정은 1 내지 5회 이루어지는 것이 바람직하다.First, impurities of the painted surface 1 that may be the surface to be painted, that is, the inner wall of a building or the outer surface of a building structure or a steel structure, are removed. In this case, the removal of impurities is a process of removing foreign substances such as dust that may be attached to the surface of the painted surface 1, and at this time, impurities from the painted surface may be removed using water or other cleaning liquid. In this case, the impurity removal process is preferably performed 1 to 5 times.

다음으로, 불순물이 제거된 도장면(1)의 상면에 프라이머를 도포하여 프라이머층(2)을 형성한다. 이때 이용되는 프라이머는 종래의 도료용 프라이머일 수 있으며, 프라이머층(2) 형성에 의해 후술할 도장층(3)이 도장면(1)에 보다 원활히 부착될 수 있으며, 나아가 도장층(3)의 발색력을 높일 수 있게 된다. 더불어 이와 같이 생성된 프라이머층(2)은 1 내지 48시간 정도 경화가 이루어짐이 바람직하다.Next, a primer layer 2 is formed by applying a primer to the upper surface of the painted surface 1 from which impurities are removed. The primer used at this time may be a conventional primer for paint, and by forming the primer layer 2 , the coating layer 3 to be described later can be more smoothly attached to the painted surface 1 , and furthermore, the coating layer 3 It is possible to increase the coloring power. In addition, the generated primer layer 2 is preferably cured for about 1 to 48 hours.

마지막으로, 프라이머층(2)의 상면에 본 발명의 표면 보호용 마감재 조성물을 도포하여 도장층(3)을 형성한다. 이때 바람직하게 프라이머층(2)의 상면에는 표면 보호용 마감재 조성물이 1 내지 5회 도포될 수 있으며, 바람직하게 피막 두께는 30 내지 70㎛일 수 있다. 더불어 표면 보호용 마감재 조성물의 도포 과정에 있어, 각각의 도포 시마다 1 내지 48시간의 경화가 이루어짐이 바람직하다.Finally, the coating layer 3 is formed by applying the finishing material composition for surface protection of the present invention on the upper surface of the primer layer 2 . At this time, preferably, the finishing material composition for surface protection may be applied 1 to 5 times on the upper surface of the primer layer 2, and preferably, the film thickness may be 30 to 70 μm. In addition, in the coating process of the finishing material composition for surface protection, it is preferable that curing is performed for 1 to 48 hours for each application.

지금까지 설명한 바와 같이, 본 발명에 따른 콘크리트 구조물의 표면 보호용 마감재 조성물 및 이를 이용한 도장 공법을 상기 설명 및 도면에 표현하였지만 이는 예를 들어 설명한 것에 불과하여 본 발명의 사상이 상기 설명 및 도면에 한정되지 않으며, 본 발명의 기술적 사상을 벗어나지 않는 범위 내에서 다양한 변화 및 변경이 가능함은 물론이다.As described so far, the finishing material composition for surface protection of a concrete structure according to the present invention and a painting method using the same are expressed in the above description and drawings, but this is merely an example and the spirit of the present invention is not limited to the above description and drawings. It goes without saying that various changes and modifications are possible within the scope without departing from the technical spirit of the present invention.

1: 도장면 2: 프라이머층
3: 도장층1: Painted surface 2: Primer layer
3: Paint layer

Claims (9)

콘크리트 구조물의 표면 보호용 마감재 조성물으로서,
아크릴 에멀젼 10 내지 20 중량부, 이산화타이타늄, 카올린(Kaolin), 탈크(Talc), 탄산칼슘 중 적어도 어느 하나로 이루어진 무기 필러 15 내지 60 중량부, 정제수 35 내지 45 중량부, 비닐아세테이트-부틸아크릴레이트 공중합체(Vinyl acetate-Butyl acrylate Copolymer)를 포함하는 방수성 강화제 1 내지 10 중량부를 포함하되,
상기 방수성 강화제는,
비닐아세테이트-부틸아크릴레이트 공중합체(Vinyl acetate-Butyl acrylate Copolymer) 20 내지 50 중량부와 폴리메틸메타크릴레이트(Polymethyl Methacrylate) 10 내지 20 중량부, 메틸에틸케톤(methylethylketone) 30 내지 70 중량부를 혼합하여 1차 용액을 제조하는 단계;
상기 1차 용액 50 내지 80 중량부와, 셀로솔브아세테이트(Cellosolve Acetate) 10 내지 20 중량부 및, 폴리에틸렌디옥시티오펜(poly(3,4- ethylene dioxythiophene)) 10 내지 30 중량부를 혼합하여 2차 용액을 제조하는 단계;
상기 2차 용액 75 내지 90 중량부와, 로거스트빈검(locust bean gum) 5 내지 15 중량부 및, 아세틸트라이부틸시트레이트(Acetyl Tributyl Citrate)를 포함하는 표면 강화제 1 내지 10 중량부를 혼합하여 방수성 강화제를 완성하는 단계;를 통해 제조되는 것을 특징으로 하는, 표면 보호용 마감재 조성물.A finishing composition for surface protection of concrete structures, comprising:
10 to 20 parts by weight of an acrylic emulsion, 15 to 60 parts by weight of an inorganic filler consisting of at least one of titanium dioxide, kaolin, talc, and calcium carbonate, 35 to 45 parts by weight of purified water, vinyl acetate-butyl acrylate air Containing 1 to 10 parts by weight of a waterproofing agent including vinyl acetate-Butyl acrylate Copolymer,
The waterproof enhancer,
20 to 50 parts by weight of vinyl acetate-butyl acrylate copolymer, 10 to 20 parts by weight of polymethyl methacrylate, and 30 to 70 parts by weight of methylethylketone preparing a first solution;
50 to 80 parts by weight of the first solution, 10 to 20 parts by weight of Cellosolve Acetate, and 10 to 30 parts by weight of polyethylene dioxythiophene (poly(3,4-ethylene dioxythiophene)) are mixed to obtain a second solution preparing a;
75 to 90 parts by weight of the secondary solution, 5 to 15 parts by weight of locust bean gum, and 1 to 10 parts by weight of a surface strengthening agent containing Acetyl Tributyl Citrate are mixed to form a waterproofing agent Completing the; Finishing composition for surface protection, characterized in that produced through. 제 1항에 있어서,
상기 무기 필러는,
이산화타이타늄 20 내지 40 중량부, 카올린 5 내지 20 중량부, 탈크 20 내지 40 중량부, 탄산칼슘 20 내지 40 중량부의 혼합물인 것을 특징으로 하는, 표면 보호용 마감재 조성물.The method of claim 1,
The inorganic filler,
20 to 40 parts by weight of titanium dioxide, 5 to 20 parts by weight of kaolin, 20 to 40 parts by weight of talc, and 20 to 40 parts by weight of calcium carbonate. 제 1항에 있어서,
상기 표면 강화제는,
아세틸트라이부틸시트레이트(Acetyl Tributyl Citrate) 20 내지 40 중량부, 폴리피롤(polypyrole) 10 내지 15 중량부, 에틸아세테이트 45 내지 65 중량부를 혼합하여 제 1 용액을 제조하는 단계;
상기 제 1 용액 75 내지 90 중량부와, 2,4,6-트리메틸-2,4,6-트리비닐시클로트리실라잔(2,4,6-trimethyl-2,4,6-trivinylcyclo trisilazane) 5 내지 20 중량부와, 글리시딜메타크릴레이트(Glycidylmethacrylate) 5 내지 15 중량부를 혼합하여 제 2 용액을 제조하는 단계;
상기 제 2 용액 85 내지 95 중량부, 폴리비닐리덴플루오라이드(polyvinylidene fluoride) 5 내지 10 중량부, 1,6-헥산디올디글리시딜에테르(1,6-Hexanediol diglycidyl ether) 1 내지 5 중량부와 글리세릴스테아레이트(Glyceryl Stearate) 1 내지 5 중량부를 혼합하여 표면 강화제를 완성하는 단계;를 통해 제조되는 것을 특징으로 하는, 표면 보호용 마감재 조성물.The method of claim 1,
The surface strengthening agent,
preparing a first solution by mixing 20 to 40 parts by weight of Acetyl Tributyl Citrate, 10 to 15 parts by weight of polypyrole, and 45 to 65 parts by weight of ethyl acetate;
75 to 90 parts by weight of the first solution, 2,4,6-trimethyl-2,4,6-trivinylcyclotrisilazane (2,4,6-trimethyl-2,4,6-trivinylcyclo trisilazane) 5 to 20 parts by weight and 5 to 15 parts by weight of glycidyl methacrylate to prepare a second solution;
85 to 95 parts by weight of the second solution, 5 to 10 parts by weight of polyvinylidene fluoride, 1 to 5 parts by weight of 1,6-Hexanediol diglycidyl ether And glyceryl stearate (Glyceryl Stearate) 1 to 5 parts by weight to complete the surface strengthening agent by mixing; characterized in that produced through, a surface protection finishing composition. 제 1항에 따른 표면 보호용 마감재 조성물을 콘크리트 구조물에 이용한 도장 공법으로서,
도장면의 불순물을 제거하는 단계;
불순물이 제거된 상기 도장면에 프라이머를 도포하여 프라이머층을 형성하는 단계;
상기 표면 보호용 마감재 조성물을 상기 프라이머층의 상면에 도포하여 도장층을 형성하는 단계;를 포함하는 것을 특징으로 하는, 표면 보호용 마감재 조성물을 이용한 도장 공법.A coating method using the finishing material composition for surface protection according to claim 1 for a concrete structure,
removing impurities from the painted surface;
forming a primer layer by applying a primer to the painted surface from which impurities have been removed;
Forming a coating layer by applying the finishing material composition for surface protection on the upper surface of the primer layer; a coating method using a finishing material composition for surface protection comprising a. 삭제delete 삭제delete 삭제delete 삭제delete 삭제delete
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