A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Waterborne polyurethane enhancer, cold-resistant and salt-resistant concrete composition as well as preparation method and application of cold-resistant and salt-resistant concrete composition
The invention provides a waterborne polyurethane enhancer, a cold-resistant and salt-resistant concrete composition as well as a preparation method and application of the cold-resistant and salt-resistant concrete composition, and belongs to the technical field of buildings and civil engineering. The waterborne polyurethane enhancer comprises diisocyanate, oligomer polyol, a small molecule chain extender, oxalic acid dihydrazide, oxaloacetic acid and a catalyst, and the cold-resistant and salt-resistant concrete composition comprises cement, aggregate, a water reducing agent, an anti-freezing agent, an air entraining agent, modified straw fibers, the waterborne polyurethane enhancer, calcium silicate and water. Through mutual cooperation of all the components, the obtained concrete has excellent cold resistance, salt resistance, impermeability and compressive strength, and can meet the engineering requirements for concrete durability and use safety under low-temperature and high-salt conditions.
本发明提供了一种一种水性聚氨酯强化剂、抗寒抗盐混凝土组合物及其制备方法和应用，属于建筑与土木工程技术领域。所述水性聚氨酯强化剂，包含二异氰酸酯、低聚物多元醇、小分子扩链剂、乙二酸二酰肼、草酰乙酸和催化剂，所述抗寒抗盐混凝土组合物包含水泥、集料、减水剂、防冻剂、引气剂、改性秸秆纤维、水性聚氨酯强化剂、硅酸钙和水。本发明通过各组分的相互配合，使所得混凝土具有优异的抗寒性、抗盐性、抗渗性和抗压强度，可满足于低温、高盐条件下对于混凝土耐久性和使用安全性的工程需要。
Waterborne polyurethane enhancer, cold-resistant and salt-resistant concrete composition as well as preparation method and application of cold-resistant and salt-resistant concrete composition
The invention provides a waterborne polyurethane enhancer, a cold-resistant and salt-resistant concrete composition as well as a preparation method and application of the cold-resistant and salt-resistant concrete composition, and belongs to the technical field of buildings and civil engineering. The waterborne polyurethane enhancer comprises diisocyanate, oligomer polyol, a small molecule chain extender, oxalic acid dihydrazide, oxaloacetic acid and a catalyst, and the cold-resistant and salt-resistant concrete composition comprises cement, aggregate, a water reducing agent, an anti-freezing agent, an air entraining agent, modified straw fibers, the waterborne polyurethane enhancer, calcium silicate and water. Through mutual cooperation of all the components, the obtained concrete has excellent cold resistance, salt resistance, impermeability and compressive strength, and can meet the engineering requirements for concrete durability and use safety under low-temperature and high-salt conditions.
本发明提供了一种一种水性聚氨酯强化剂、抗寒抗盐混凝土组合物及其制备方法和应用，属于建筑与土木工程技术领域。所述水性聚氨酯强化剂，包含二异氰酸酯、低聚物多元醇、小分子扩链剂、乙二酸二酰肼、草酰乙酸和催化剂，所述抗寒抗盐混凝土组合物包含水泥、集料、减水剂、防冻剂、引气剂、改性秸秆纤维、水性聚氨酯强化剂、硅酸钙和水。本发明通过各组分的相互配合，使所得混凝土具有优异的抗寒性、抗盐性、抗渗性和抗压强度，可满足于低温、高盐条件下对于混凝土耐久性和使用安全性的工程需要。
Waterborne polyurethane enhancer, cold-resistant and salt-resistant concrete composition as well as preparation method and application of cold-resistant and salt-resistant concrete composition
一种水性聚氨酯强化剂、抗寒抗盐混凝土组合物及其制备方法和应用
TANG XIANGGENG (author) / WEN YIFAN (author) / LI ZHIMIN (author) / ZHONG TAO (author) / ZHAO BAOBAO (author) / ZHENG FENRUI (author)
2024-12-17
Patent
Electronic Resource
Chinese
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