A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
High-adaptability and high-stability foam type concrete air entraining agent and preparation method thereof
The invention provides a high-adaptability and high-stability foam type concrete air entraining agent, which is prepared from the following components in parts by weight: 100 parts of branched alkyl polyether sodium sulfate anionic surfactant A, 8 to 40 parts of sodium alkyl benzene sulfonate anionic surfactant B and 25 to 34 parts of polymer C, the polymer C is formed by free radical copolymerization of unsaturated polyether macromonomers and amide monomers, and the molar ratio of the unsaturated polyether macromonomers to the amide monomers is 1: (1-3). The high-adaptability and high-stability foam type concrete air entraining agent disclosed by the invention has good temperature adaptability, excellent clay adaptability, excellent foam stability and excellent freezing resistance, and can be used for improving the workability of concrete.
本发明提供了一种高适应高稳泡型混凝土引气剂，以重量份数计，该高适应高稳泡型混凝土引气剂包括100份支化烷基聚醚硫酸钠盐阴离子表面活性剂A、8‑40份烷基苯磺酸钠盐阴离子表面活性剂B和25‑34份聚合物C，聚合物C为由不饱和聚醚大单体和酰胺类单体通过自由基共聚形成，所述不饱和聚醚大单体和酰胺类单体的摩尔比为1:(1～3)。本申请的高适应高稳泡型混凝土引气剂，具有良好的温度适应性、黏土适应性佳、稳泡性能优、抗冻性佳且能够改善混凝土和易性。
High-adaptability and high-stability foam type concrete air entraining agent and preparation method thereof
The invention provides a high-adaptability and high-stability foam type concrete air entraining agent, which is prepared from the following components in parts by weight: 100 parts of branched alkyl polyether sodium sulfate anionic surfactant A, 8 to 40 parts of sodium alkyl benzene sulfonate anionic surfactant B and 25 to 34 parts of polymer C, the polymer C is formed by free radical copolymerization of unsaturated polyether macromonomers and amide monomers, and the molar ratio of the unsaturated polyether macromonomers to the amide monomers is 1: (1-3). The high-adaptability and high-stability foam type concrete air entraining agent disclosed by the invention has good temperature adaptability, excellent clay adaptability, excellent foam stability and excellent freezing resistance, and can be used for improving the workability of concrete.
本发明提供了一种高适应高稳泡型混凝土引气剂，以重量份数计，该高适应高稳泡型混凝土引气剂包括100份支化烷基聚醚硫酸钠盐阴离子表面活性剂A、8‑40份烷基苯磺酸钠盐阴离子表面活性剂B和25‑34份聚合物C，聚合物C为由不饱和聚醚大单体和酰胺类单体通过自由基共聚形成，所述不饱和聚醚大单体和酰胺类单体的摩尔比为1:(1～3)。本申请的高适应高稳泡型混凝土引气剂，具有良好的温度适应性、黏土适应性佳、稳泡性能优、抗冻性佳且能够改善混凝土和易性。
High-adaptability and high-stability foam type concrete air entraining agent and preparation method thereof
一种高适应高稳泡型混凝土引气剂及其制备方法
GAO NANXIAO (author) / QIAO MIN (author) / RAN QIANPING (author) / CHEN JIAN (author) / SHAN GUANGCHENG (author) / MAO YUAN (author) / SHEN FEI (author) / YANG TAO (author)
2023-12-08
Patent
Electronic Resource
Chinese
High-foam-stability and low-sensitivity concrete air entraining agent and preparation method thereof
| European Patent Office | 2021
High-stability concrete air entraining agent and preparation method thereof
| European Patent Office | 2016
Concrete air entraining agent and preparation method thereof
| European Patent Office | 2023