CN108316667A - 一种用于混凝土基层表面的防护与修复体系的制备方法 - Google Patents
一种用于混凝土基层表面的防护与修复体系的制备方法 Download PDFInfo
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- E04G23/00—Working measures on existing buildings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
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- C08G18/348—Hydroxycarboxylic acids
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
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- C08G18/42—Polycondensates having carboxylic or carbonic ester groups in the main chain
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
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- C—CHEMISTRY; METALLURGY
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Health & Medical Sciences (AREA)
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- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Electrochemistry (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Polyurethanes Or Polyureas (AREA)
- Paints Or Removers (AREA)
Abstract
Description
砂浆层1 | 砂浆层2 | 砂浆层3 | 砂浆层4 | |
硅酸盐水泥 | 42.5水泥,15g | 52.5水泥,25g | 42.5水泥,25g | 52.5水泥,20g |
石英砂 | 100目,65g | 200目,55g | 150目,65g | 100目,65g |
矿粉 | 200目,20g | 100目,20g | 150目,10g | 150目,15g |
砂浆层1 | 砂浆层2 | 砂浆层3 | 砂浆层4 | |
A2:B2(质量) | 1:6 | 1:4 | 1:4.5 | 1:5 |
砂浆层1 | 砂浆层2 | 砂浆层3 | 砂浆层4 | |
干燥时间(23℃) | ≤6.5h | ≤5h | ≤5.5h | ≤6h |
与底漆层粘结强度 | ≥2.7MPa | ≥2.7MPa | ≥2.7MPa | ≥2.7MPa |
抗压强度 | ≥50MPa | ≥50MPa | ≥50MPa | ≥50MPa |
抗拉强度 | ≥10MPa | ≥10MPa | ≥10MPa | ≥10MPa |
抗折强度 | ≥8MPa | ≥8MPa | ≥8MPa | ≥8MPa |
单次施工厚度 | 1.5~3mm | 1.5~3mm | 1.5~3mm | 1.5~3mm |
原料 | 面漆层1 | 面漆层2 | 面漆层3 | 面漆层4 |
水分散型异氰酸酯 | XP2655 | XP2547 | XP2655 | XP2547 |
原料 | 面漆层1 | 面漆层2 | 面漆层3 | 面漆层4 |
A3:B3(质量) | 3:1 | 2:1 | 3:1 | 4:1 |
Claims (10)
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CN201810115364.2A CN108316667B (zh) | 2018-02-05 | 2018-02-05 | 一种用于混凝土基层表面的防护与修复体系的制备方法 |
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CN201810115364.2A CN108316667B (zh) | 2018-02-05 | 2018-02-05 | 一种用于混凝土基层表面的防护与修复体系的制备方法 |
Publications (2)
Publication Number | Publication Date |
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CN108316667A true CN108316667A (zh) | 2018-07-24 |
CN108316667B CN108316667B (zh) | 2020-01-17 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110041034A (zh) * | 2019-04-19 | 2019-07-23 | 中国人民解放军陆军勤务学院 | 一种新型免蒸压混凝土砖及其粘结剂 |
CN110117461A (zh) * | 2019-04-17 | 2019-08-13 | 国网新疆电力有限公司经济技术研究院 | 一种盐渍地区抗化学侵蚀型混凝土表层强化剂及其制备方法 |
CN110863671A (zh) * | 2019-12-12 | 2020-03-06 | 山东奥能电力科技有限公司 | 一种水泥输电杆塔的修复加固补强方法及其加固组件 |
CN112961521A (zh) * | 2021-02-02 | 2021-06-15 | 黄生旺 | 一种地下通道用高耐腐蚀性加固涂料 |
CN113025175A (zh) * | 2021-03-16 | 2021-06-25 | 天津中晶建筑材料有限公司 | 一种硅酸钙板用湿固化聚氨酯渗透漆及其应用 |
CN114276070A (zh) * | 2021-12-30 | 2022-04-05 | 嘉兴正合科技有限公司 | 结构修复用超强高韧性聚酯混凝土、制备方法和应用 |
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CN118271883A (zh) * | 2024-03-21 | 2024-07-02 | 青岛理工大学 | 一种高韧性、高耐久海工混凝土防护涂层及其制备方法 |
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