Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Concrete water reducer and preparation method thereof
The invention relates to the technical field of concrete additives, in particular to a concrete water reducer and a preparation method thereof.The concrete water reducer is prepared from, by mass, 15%-25% of saturated alcohol polyoxyethylene ether, 20%-30% of water, 6%-10% of acrylic acid, 5%-10% of triethanolamine, 5%-10% of catalyst, 4%-10% of xanthan gum, 4%-8% of slump retaining agent and 3%-7% of alkali lignin. The preparation method comprises the following steps: step one, weighing all the components through a weighing device, adding saturated alcohol polyoxyethylene ether, water, acrylic acid, triethanolamine, a catalyst and alkali lignin into a reaction kettle, continuously heating for 2-3 hours, controlling the temperature at 50-70 DEG C, and simultaneously stirring and uniformly mixing at the stirring speed of 500-800 r/min to obtain a mixed material A; the concrete water reducing agent has the beneficial effects that concrete prepared from the water reducing agent is relatively long in slump retention time, good in stability, convenient to store, very high in working performance and good in adaptability to cement, and meanwhile, some additives are added into the water reducing agent, so that some properties of the water reducing agent are improved.
本发明公开了涉及混凝土添加剂技术领域，具体为一种混凝土减水剂及其制备方法，各组份按照质量百分比计量：饱和醇聚氧乙烯醚15‑25％、水20‑30％、丙烯酸6‑10％、三乙醇胺5‑10％、催化剂5‑10％、黄原胶4‑10％、保坍剂4‑8％、碱木质素3‑7％，步骤一：通过称量装置对各组分进行称量，将饱和醇聚氧乙烯醚、水、丙烯酸、三乙醇胺、催化剂和碱木质素加入到反应釜中，持续加热2‑3h，温度控制在50‑70℃，同时进行搅拌均匀混合，搅拌速率为500‑800r/min，制备得到混合物料A，本发明的有益效果是：本发明的减水剂制备的混凝土的坍落度保持时间较长，稳定性好，便于保存，并且具有很高的工作性能，与水泥之间的适应性良好，同时在减水剂中增加了一些外加剂，从而增加了减水剂的一些性能。
Concrete water reducer and preparation method thereof
The invention relates to the technical field of concrete additives, in particular to a concrete water reducer and a preparation method thereof.The concrete water reducer is prepared from, by mass, 15%-25% of saturated alcohol polyoxyethylene ether, 20%-30% of water, 6%-10% of acrylic acid, 5%-10% of triethanolamine, 5%-10% of catalyst, 4%-10% of xanthan gum, 4%-8% of slump retaining agent and 3%-7% of alkali lignin. The preparation method comprises the following steps: step one, weighing all the components through a weighing device, adding saturated alcohol polyoxyethylene ether, water, acrylic acid, triethanolamine, a catalyst and alkali lignin into a reaction kettle, continuously heating for 2-3 hours, controlling the temperature at 50-70 DEG C, and simultaneously stirring and uniformly mixing at the stirring speed of 500-800 r/min to obtain a mixed material A; the concrete water reducing agent has the beneficial effects that concrete prepared from the water reducing agent is relatively long in slump retention time, good in stability, convenient to store, very high in working performance and good in adaptability to cement, and meanwhile, some additives are added into the water reducing agent, so that some properties of the water reducing agent are improved.
本发明公开了涉及混凝土添加剂技术领域，具体为一种混凝土减水剂及其制备方法，各组份按照质量百分比计量：饱和醇聚氧乙烯醚15‑25％、水20‑30％、丙烯酸6‑10％、三乙醇胺5‑10％、催化剂5‑10％、黄原胶4‑10％、保坍剂4‑8％、碱木质素3‑7％，步骤一：通过称量装置对各组分进行称量，将饱和醇聚氧乙烯醚、水、丙烯酸、三乙醇胺、催化剂和碱木质素加入到反应釜中，持续加热2‑3h，温度控制在50‑70℃，同时进行搅拌均匀混合，搅拌速率为500‑800r/min，制备得到混合物料A，本发明的有益效果是：本发明的减水剂制备的混凝土的坍落度保持时间较长，稳定性好，便于保存，并且具有很高的工作性能，与水泥之间的适应性良好，同时在减水剂中增加了一些外加剂，从而增加了减水剂的一些性能。
Concrete water reducer and preparation method thereof
一种混凝土减水剂及其制备方法
FENG YONG (Autor:in) / HUANG XIAODONG (Autor:in) / LI XIANLAN (Autor:in) / LIN FOSHENG (Autor:in) / ZHONG SHENGCHI (Autor:in)
03.11.2023
Patent
Elektronische Ressource
Chinesisch
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