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A platform for research: civil engineering, architecture and urbanism
Additive for self-compacting ultra-high performance concrete and preparation method thereof
The invention relates to a self-compacting ultra-high performance concrete admixture and a preparation method thereof, and belongs to the technical field of concrete admixtures. The admixture is prepared from the following raw materials in molar ratio: 1.0 to 1.2 parts of isopentenyl polyoxyethylene ether, 0.06 to 0.1 part of hydrogen peroxide, 2.8 to 3.2 parts of acrylic acid, 0.1 to 0.12 part of functional monomer, 0.02 to 0.03 part of mercaptopropionic acid, 0.015 to 0.025 part of reducing agent, 1.1 to 1.5 parts of maleic anhydride and 0.8 to 1.2 parts of butyl glycidyl ether; wherein the functional monomer is prepared from the following raw materials in molar ratio: 1.0 to 1.2 parts of dipropylene glycol, 1.0 to 1.2 parts of diethylene glycol monobutyl ether, 3.0 to 3.6 parts of methacrylic acid and 1.0 to 1.2 parts of p-toluenesulfonic acid; the admixture can effectively improve various properties of the self-compacting ultra-high performance concrete, improve the strength, reduce the viscosity, reduce the shrinkage and improve the durability.
本发明涉及一种自密实超高性能混凝土用外加剂及其制备方法，属于混凝土外加剂技术领域。所述外加剂由以下摩尔比的原料组成：异戊烯基聚氧乙烯醚1.0～1.2、过氧化氢0.06～0.1、丙烯酸2.8～3.2、功能单体0.1～0.12、巯基丙酸0.02～0.03、还原剂0.015～0.025、马来酸酐1.1～1.5、丁基缩水甘油醚0.8～1.2；其中，所述功能单体由以下摩尔比的原料组成：一缩二丙二醇1.0～1.2、二乙二醇单丁醚1.0～1.2、甲基丙烯酸3.0～3.6、对甲苯磺酸1.0～1.2；所述外加剂可以有效改善自密实超高性能混凝土的各项性能，提高强度、降低黏度、减小收缩、提高耐久性。
Additive for self-compacting ultra-high performance concrete and preparation method thereof
The invention relates to a self-compacting ultra-high performance concrete admixture and a preparation method thereof, and belongs to the technical field of concrete admixtures. The admixture is prepared from the following raw materials in molar ratio: 1.0 to 1.2 parts of isopentenyl polyoxyethylene ether, 0.06 to 0.1 part of hydrogen peroxide, 2.8 to 3.2 parts of acrylic acid, 0.1 to 0.12 part of functional monomer, 0.02 to 0.03 part of mercaptopropionic acid, 0.015 to 0.025 part of reducing agent, 1.1 to 1.5 parts of maleic anhydride and 0.8 to 1.2 parts of butyl glycidyl ether; wherein the functional monomer is prepared from the following raw materials in molar ratio: 1.0 to 1.2 parts of dipropylene glycol, 1.0 to 1.2 parts of diethylene glycol monobutyl ether, 3.0 to 3.6 parts of methacrylic acid and 1.0 to 1.2 parts of p-toluenesulfonic acid; the admixture can effectively improve various properties of the self-compacting ultra-high performance concrete, improve the strength, reduce the viscosity, reduce the shrinkage and improve the durability.
本发明涉及一种自密实超高性能混凝土用外加剂及其制备方法，属于混凝土外加剂技术领域。所述外加剂由以下摩尔比的原料组成：异戊烯基聚氧乙烯醚1.0～1.2、过氧化氢0.06～0.1、丙烯酸2.8～3.2、功能单体0.1～0.12、巯基丙酸0.02～0.03、还原剂0.015～0.025、马来酸酐1.1～1.5、丁基缩水甘油醚0.8～1.2；其中，所述功能单体由以下摩尔比的原料组成：一缩二丙二醇1.0～1.2、二乙二醇单丁醚1.0～1.2、甲基丙烯酸3.0～3.6、对甲苯磺酸1.0～1.2；所述外加剂可以有效改善自密实超高性能混凝土的各项性能，提高强度、降低黏度、减小收缩、提高耐久性。
Additive for self-compacting ultra-high performance concrete and preparation method thereof
一种自密实超高性能混凝土用外加剂及其制备方法
TANG LIANG (author) / ZHANG XIAOQI (author) / CHEN XINGYUAN (author) / ZHANG FASHENG (author) / LI GUOYOU (author) / LIU YAKUI (author) / WANG DENG (author) / SUN KAILI (author)
2023-09-22
Patent
Electronic Resource
Chinese
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