KR101893380B1 - 열악한 환경하의 콘크리트 구조물 표면보호용 친환경 보호제 조성물 및 이를 이용한 콘크리트 구조물 표면 마감 공법 - Google Patents
열악한 환경하의 콘크리트 구조물 표면보호용 친환경 보호제 조성물 및 이를 이용한 콘크리트 구조물 표면 마감 공법 Download PDFInfo
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- KR101893380B1 KR101893380B1 KR1020180014349A KR20180014349A KR101893380B1 KR 101893380 B1 KR101893380 B1 KR 101893380B1 KR 1020180014349 A KR1020180014349 A KR 1020180014349A KR 20180014349 A KR20180014349 A KR 20180014349A KR 101893380 B1 KR101893380 B1 KR 101893380B1
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Classifications
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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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- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/18—Homopolymers or copolymers of nitriles
- C09D133/20—Homopolymers or copolymers of acrylonitrile
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
- C04B41/522—Multiple coatings, for one of the coatings of which at least one alternative is described
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Ethene-propene or ethene-propene-diene copolymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
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Abstract
Description
구분 | 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 |
표준양생 후 | 이상없음 | 이상없음 | 이상없음 | 이상없음 |
촉진내후성시험 후 | ||||
온·냉반복시험 후 | ||||
내알칼리성시험 후 | ||||
내염수성시험 후 |
구분 | 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 |
중성화깊이 (mm) | 0.01 | 0 | 0 | 0.03 |
구분 | 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 |
염화물이온 침투저항성(Coulombs) | 30 | 20 | 10 | 60 |
구분 | 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 |
투습도(g/m2·℃) | 17 | 13 | 11 | 21 |
구분 | 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | |
부착강도 (N/mm2) |
표준양생 후 | 1.6 | 1.7 | 1.8 | 1.3 |
촉진내후성시험 후 | 1.5 | 1.6 | 1.7 | 1.2 | |
온·냉반복시험 후 | 1.5 | 1.5 | 1.6 | 1.1 | |
내알칼리성시험 후 | 1.5 | 1.5 | 1.6 | 1.2 | |
내염수성시험 후 | 1.4 | 1.5 | 1.6 | 1.2 |
구분 | 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 |
내투수성 | 투수되지않음 | 투수되지않음 | 투수되지않음 | 투수되지않음 |
구분 | 실시예 1 | 실시예 2 | 실시예 3 | 비교예 1 | |
균열대응성 | -20℃ | 이상없음 | 이상없음 | 이상없음 | 이상없음 |
20℃ | 이상없음 | 이상없음 | 이상없음 | 이상없음 | |
촉진내후성 시험 후 | 이상없음 | 이상없음 | 이상없음 | 이상없음 |
구분 | 실시예 1 | 실시예 2 | 실시예 3 | |
용기 내 상태 | 이상없음 | 이상없음 | 이상없음 | |
도포 작업성 | 이상없음 | 이상없음 | 이상없음 | |
건조시간 | 4시간 이내 | 4시간 이내 | 4시간이내 | |
중성화촉진 (mm) | 0 | 0 | 0 | |
촉진내후성 | 이상없음 | 이상없음 | 이상없음 | |
부착강도 (N/mm2) |
표준양생 후 | 1.6 | 1.7 | 1.8 |
촉진내후성 후 | 1.5 | 1.6 | 1.7 | |
온냉반복 후 | 1.6 | 1.6 | 1.7 | |
내알칼리성 후 | 1.6 | 1.6 | 1.7 | |
내염수성 후 | 1.6 | 1.6 | 1.7 | |
도막형성 겉모양 |
표준양생 후 | 이상없음 | 이상없음 | 이상없음 |
촉진내후성 후 | 이상없음 | 이상없음 | 이상없음 | |
온냉반복 후 | 이상없음 | 이상없음 | 이상없음 | |
내알칼리성 후 | 이상없음 | 이상없음 | 이상없음 | |
내염수성 후 | 이상없음 | 이상없음 | 이상없음 | |
내투수성 | 투수되지않음 | 투수되지않음 | 투수되지않음 | |
염화물이온침투저항성(Coulombs) | 22 | 18 | 15 | |
투습도(g/m2·day) | 1.1 | 1.0 | 0.9 | |
내약품성 | 황산 | 이상없음 | 이상없음 | 이상없음 |
염산 | 이상없음 | 이상없음 | 이상없음 | |
수산화나트륨 | 이상없음 | 이상없음 | 이상없음 | |
내충격성 | 이상없음 | 이상없음 | 이상없음 | |
내오염성 | 이상없음 | 이상없음 | 이상없음 | |
음용수용출46개항목 | 이상없음 | 이상없음 | 이상없음 | |
불연재료(불연성, 가스유해성) | 적합 | 적합 | 적합 | |
내마모성 (500g, 500회) (%) | 0.18 | 0.16 | 0.13 | |
열팽창계수 (×10-6/℃) | 7.9 | 8.0 | 8.1 | |
내오존성능 | 겉모양 | 이상없음 | 이상없음 | 이상없음 |
질량감소량 (g/m2) | 1.8 | 1.7 | 1.6 | |
내투수성능 | 투수되지않음 | 투수되지않음 | 투수되지않음 | |
부착강도(MPa) | 1.7 | 1.8 | 1.9 |
Claims (9)
- 열악한 환경 하의 콘크리트 구조물의 표면 보호를 위한 친환경 보호제 조성물로서,
개질 충전재 1∼75중량% 및 개질 혼화제 25∼99중량%를 포함하며,
상기 개질 충전재는 개질 충전재 중량 대비 중질탄산칼슘(Ground Calcium Carbonate) 25∼95중량%, 탄화규소 1∼30중량%, 뮬라이트 1∼30중량%, 티타늄옥사이드 1~20중량%, 견운모 1~20중량%, 알루미늄티탄산 0.1∼15중량% 및 산화베릴륨 0.1~15중량%를 포함하고,
상기 개질 혼화제는 개질 혼화제 중량 대비 메틸메타아크릴레이트-아크릴로니트릴 공중합체 25∼99중량%, 에틸렌옥사이드-프로필렌옥사이드 중합체 0.1∼35중량%, 폴리비닐리덴플루오라이드 0.1∼20중량%, 3-하이드록시프로필아크릴레이트 0.1~15중량%, 비닐에스테르 0.1∼15중량% 및 메틸페닐폴리실록산 0.1~15중량%를 포함하는
것을 특징으로 하는 친환경 보호제 조성물.
- 제 1항에 있어서,
상기 개질 혼화제는 비닐β-메톡시에톡시실란을 개질 혼화제 중량 대비 0.01∼10중량% 더 포함하는 것을 특징으로 하는 친환경 보호제 조성물.
- 제 1항에 있어서,
상기 개질 혼화제는 폴리카르복시산(polycarboxylic acid)를 개질 혼화제 중량 대비 0.01∼10중량% 더 포함하는 것을 특징으로 하는 친환경 보호제 조성물.
- 제 1항에 있어서,
상기 개질 혼화제는 소포제를 개질 혼화제 중량 대비 0.01∼10중량% 더 포함하거나 유동화제를 개질혼화제 중량대비 0.01~10중량% 더 포함하거나; 규산염을 개질 충전재 중량 대비 0.01∼10중량% 더 포함하거나; 또는 실리카겔을 개질 충전재 중량 대비 0.01∼10중량% 더 포함하는 것을 특징으로 하는 친환경 보호제 조성물.
- 제 1항에 있어서,
상기 개질 충전재는 안료를 개질 충전재 중량 대비 0.01~10 중량% 더 포함하는 것을 특징으로 하는 친환경 보호제 조성물.
- 제 1항 내지 제 5항 중 어느 한 항에 기재된 친환경 보호제 조성물을 이용하는 열악한 환경 하의 콘크리트 구조물의 표면 마감 공법으로서,
콘크리트 구조물의 바탕면을 불순물 또는 열화부위를 제거한 후 청소하는 단계;
청소된 부위에 속경형 바탕조정재를 이용하여 바탕면을 정리하는 단계;
정리된 바탕면에 침투성 보호제를 도포하여 프라이머층을 형성하는 단계;
형성된 프라이머층에 상기 친환경 보호제 조성물을 도포하는 단계;
도포된 상기 조성물 상부에 표면 마감제 조성물을 도포하는 단계; 및
양생하는 단계를
포함하는 것을 특징으로 하는 콘크리트 구조물 표면 마감 공법.
- 제 6항에 있어서,
상기 속경형 바탕조정재는 에폭시, 우레탄, 초속경성 시멘트계의 재료를 포함하는 것을 특징으로 하는 콘크리트 구조물 표면 마감 공법.
- 제 6항에 있어서,
상기 침투성 보호제는 스티렌-부타디엔 라텍스, 폴리 아크릴 에스테르, 아크릴, 에틸 비닐 아세테이트, 메틸메타크릴레이트 중에서 선택된 적어도 1종 이상의 물질을 포함하는 것을 특징으로 하는 콘크리트 구조물 표면 마감 공법.
- 제 6항에 있어서,
상기 표면 마감제 조성물은 수성 실리카졸 40~99중량%, 폴리비닐리덴플루오라이드 0.1~20중량%, 메틸메타크릴레이트-아크릴로니트릴 공중합체 0.1~20중량%, 폴리프로필렌옥사이드 0.1~20중량%, 메틸메타크릴레이트-염화비닐리덴 공중합체 0.1~20중량%, 3-메타크릴옥시프로필트리메톡시실란 0.1~20중량%, 이산화규소 분산액 0.1~15중량%, 탄산바륨 분산액 0.1~15중량%, 티타늄옥사이드 분산액 0.1~15중량%, 이산화티탄 분산액 0.1~15중량% 및 안료 분산액 0.1~15중량% 를 포함하는 것을 특징으로 하는 콘크리트 구조물 표면 마감 공법.
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KR101991469B1 (ko) | 2018-11-19 | 2019-10-01 | 주식회사 이레하이테크이앤씨 | 콘크리트 구조물 표면 보호를 위한 기능성 마감 코팅제 조성물 및 이를 이용한 콘크리트 구조물의 표면 보호 방법 |
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KR102126254B1 (ko) | 2020-02-11 | 2020-06-24 | 김종철 | 유무기 복합 친환경 표면 보호제 조성물 및 이를 이용한 콘크리트 또는 강 구조물의 표면보호 마감방법 |
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KR101991469B1 (ko) | 2018-11-19 | 2019-10-01 | 주식회사 이레하이테크이앤씨 | 콘크리트 구조물 표면 보호를 위한 기능성 마감 코팅제 조성물 및 이를 이용한 콘크리트 구조물의 표면 보호 방법 |
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KR20230148870A (ko) * | 2022-04-18 | 2023-10-26 | 주식회사 넷폼알앤디 | 콘크리트 구조물의 벽체를 위한 재도장층 |
KR102784426B1 (ko) * | 2022-04-18 | 2025-03-24 | 주식회사 넷폼알앤디 | 콘크리트 구조물의 벽체를 위한 재도장층 |
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