二氧化硅改性聚合物防水涂料对混凝土性能的影响  

Effect of silica-modified polymer waterproof paint on properties of concrete

作　　者：仇文俊[1] 赵亚莉 吴文 QIU Wenjun;ZHAO Yali;WU Wen(Shanxi Water Conservancy Vocational and Technical College,Yuncheng 044004,China;Teaching and Research Section of Engineering Cost,Zhengzhou Technology and Business University,Zhengzhou 451400,China;China Construction Second Engineering Bureau Ltd.,Wuhan 430070,China)

机构地区：[1]山西水利职业技术学院,山西运城044004 [2]郑州工商学院工程造价教研室,河南郑州451400 [3]中国建筑第二工程局有限公司,湖北武汉430070

出　　处：《电镀与涂饰》2025年第1期107-113,共7页Electroplating & Finishing

基　　金：国家自然科学基金(52008377)。

摘　　要：[目的]研究SiO_(2)改性聚合物防水涂料对混凝土性能的影响,为拓宽其应用提供实验依据。[方法]通过考察SiO_(2)改性聚合物防水涂料对混凝土吸水与抗渗性、抗硫酸盐侵蚀能力及碳化深度的影响,探索SiO_(2)改性聚合物防水涂料对混凝土性能的影响机理。[结果]在同一测试时间下,随着SiO_(2)超细粉掺量的不断增大,混凝土的吸水率和氯离子渗透深度呈现出先减小后增大的趋势。当SiO_(2)超细粉的掺量为1.0%时,涂抹SiO_(2)改性聚合物防水涂料的混凝土表现出最好的防水效果。[结论]SiO_(2)改性聚合物防水涂料能在混凝土表面形成一层致密的阻隔层,其防水效果优于未改性的聚合物防水涂料。[Objective]The effect of SiO_(2)-modified polymer waterproof paint on the waterproof performance of concrete was studied to provide experimental data for broadening its application.[Method]By investigating the influence of SiO_(2)-modified polymer waterproof paint on the water absorption,impermeability,sulfate resistance,and carbonation depth of concrete,the mechanism by which the paint affects the properties of concrete was explored.[Result]Under the same test time,with the increasing of ultrafine SiO_(2)powder content,the water absorption per unit area and chloride ion penetration depth of concrete showed a trend of decreasing initially and then increasing.The polymer paint modified with 1.0%of ultrafine SiO_(2)powder endowed the concrete with the best waterproof performance.[Conclusion]The SiO_(2)-modified polymer waterproof paint can form a compact barrier layer on the surface of concrete,and has better waterproof effect than the unmodified one.

关 键 词：聚合物防水涂料 二氧化硅 改性 混凝土 耐久性 防水性能 

分 类 号：TU57[建筑科学—建筑技术科学]