Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses an ultra-high performance concrete viscosity reducer. The viscosity reducer comprises a siliceous volcanic ash material and a comb-shaped structure PCE polymer grafted on the surface of the siliceous volcanic ash material. The invention also provides a preparation method of the viscosity reducer, a monomer A and the siliceous volcanic ash material carry out a hydrolysis reaction to prepare a precursor, the precursor, a monomer B and a monomer C carry out an addition polymerization reaction to prepare the viscosity reducer, and the viscosity reducer can effectively reduce the viscosity of ultra-high performance concrete after being applied to the ultra-high performance concrete.
本发明公开了一种超高性能混凝土用降粘剂，所述降粘剂包括硅质火山灰材料和接枝于硅质火山灰材料表面的梳型结构PCE聚合物。本发明还提供前述降粘剂的制备方法，由单体A与硅质火山灰材料发生水解反应制备前驱体，再由前驱体与单体B、单体C发生加成聚合反应制备得到，本发明降粘剂应用到超高性能混凝土中后能有效降低超高性能混凝土粘度。
The invention discloses an ultra-high performance concrete viscosity reducer. The viscosity reducer comprises a siliceous volcanic ash material and a comb-shaped structure PCE polymer grafted on the surface of the siliceous volcanic ash material. The invention also provides a preparation method of the viscosity reducer, a monomer A and the siliceous volcanic ash material carry out a hydrolysis reaction to prepare a precursor, the precursor, a monomer B and a monomer C carry out an addition polymerization reaction to prepare the viscosity reducer, and the viscosity reducer can effectively reduce the viscosity of ultra-high performance concrete after being applied to the ultra-high performance concrete.
本发明公开了一种超高性能混凝土用降粘剂，所述降粘剂包括硅质火山灰材料和接枝于硅质火山灰材料表面的梳型结构PCE聚合物。本发明还提供前述降粘剂的制备方法，由单体A与硅质火山灰材料发生水解反应制备前驱体，再由前驱体与单体B、单体C发生加成聚合反应制备得到，本发明降粘剂应用到超高性能混凝土中后能有效降低超高性能混凝土粘度。
Ultrahigh-performance concrete viscosity reducer as well as preparation method and application thereof
一种超高性能混凝土用降粘剂及其制备方法和应用
15.05.2020
Patent
Elektronische Ressource
Chinesisch
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