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Efficient retarder and preparation method thereof
The invention relates to the technical field of concrete additives, and provides an efficient retarder and a preparation method thereof. The efficient retarder comprises the following components in parts by mass: 10-20 parts of inorganic salt, 10-20 parts of hydroxycarboxylic acid, 5-10 parts of saccharides, 8-15 parts of an additive and 40-60 parts of water, the additive is prepared from p-hydroxyphenylacetamide and/or 1-naphthol-5-sulfonic acid. According to the technical scheme, the problems that in the prior art, the retarding time of a retarder is limited, and the early strength of concrete is low are solved.
本发明涉及混凝土添加剂技术领域，提出了一种高效缓凝剂及其制备方法。所述一种高效缓凝剂，包括以下质量份的组分：无机盐10~20份、羟基羧酸10~20份、糖类5~10份、添加剂8~15份、水40~60；所述添加剂包括对羟基苯乙酰胺和/或1‑萘酚‑5‑磺酸。通过上述技术方案，解决了现有技术中的缓凝剂缓凝时间有限且混凝土早期强度低的问题。
Efficient retarder and preparation method thereof
The invention relates to the technical field of concrete additives, and provides an efficient retarder and a preparation method thereof. The efficient retarder comprises the following components in parts by mass: 10-20 parts of inorganic salt, 10-20 parts of hydroxycarboxylic acid, 5-10 parts of saccharides, 8-15 parts of an additive and 40-60 parts of water, the additive is prepared from p-hydroxyphenylacetamide and/or 1-naphthol-5-sulfonic acid. According to the technical scheme, the problems that in the prior art, the retarding time of a retarder is limited, and the early strength of concrete is low are solved.
本发明涉及混凝土添加剂技术领域，提出了一种高效缓凝剂及其制备方法。所述一种高效缓凝剂，包括以下质量份的组分：无机盐10~20份、羟基羧酸10~20份、糖类5~10份、添加剂8~15份、水40~60；所述添加剂包括对羟基苯乙酰胺和/或1‑萘酚‑5‑磺酸。通过上述技术方案，解决了现有技术中的缓凝剂缓凝时间有限且混凝土早期强度低的问题。
Efficient retarder and preparation method thereof
一种高效缓凝剂及其制备方法
GE ZHIMIN (author) / GE ZHENG (author) / DENG YUNING (author)
2023-12-29
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
Efficient alkali-resistant gypsum retarder and preparation method thereof
| European Patent Office | 2023