Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Concrete low-carbon glue reducing agent and preparation method thereof
The invention relates to the technical field of concrete additives, and particularly provides a concrete low-carbon glue reducing agent and a preparation method thereof. The glue reducing agent is prepared by the following method: firstly, mixing 20-45 parts of glycerol, 3-6 parts of mixed powder and 55-70 parts of deionized water, and performing ultrasonic dispersion to obtain a mixed solution; then adding 5-8 parts of cellulose ether and 3-6 parts of sodium thiosulfate into the mixed solution, heating and uniformly stirring, then adding 10-20 parts of composite microcapsules, ultrasonically dispersing, heating, dropwise adding 0.5-1.0 part of emulsifying dispersant while stirring, keeping the temperature for 1-3 hours, and then cooling to obtain the glue reducing agent. The cement reducing agent disclosed by the invention is simple in preparation process, cement particles are fully dispersed and prevented from being agglomerated under the action of the glycerol and the mixed powder in the cement reducing agent under the action of the composite microcapsules, so that the use amount of cement in concrete with the same strength grade is greatly reduced, the workability of the concrete is improved, and the strength of the concrete is improved.
本发明涉及混凝土添加剂技术领域，具体提供了一种混凝土低碳减胶剂及其制备方法。减胶剂由以下方法制得：首先将20‑45份甘油、3‑6份混合粉和55‑70份去离子水混合，超声分散后得到混合溶液；然后再将5‑8份纤维素醚和3‑6份硫代硫酸钠加入到混合溶液中，加热搅拌均匀后加入复合微胶囊10‑20份，超声分散，加热，边搅拌边滴加乳化分散剂0.5‑1.0份，保温1‑3h后冷却得到减胶剂。本发明的减胶剂制备工艺简单，减胶剂中的甘油和混合粉在复合微胶囊的作用下，使水泥颗粒分散充分、防止团聚，使水泥在同强度等级混凝土中的用量大幅下降，改善混凝土和易性，提升混凝土的强度。
Concrete low-carbon glue reducing agent and preparation method thereof
The invention relates to the technical field of concrete additives, and particularly provides a concrete low-carbon glue reducing agent and a preparation method thereof. The glue reducing agent is prepared by the following method: firstly, mixing 20-45 parts of glycerol, 3-6 parts of mixed powder and 55-70 parts of deionized water, and performing ultrasonic dispersion to obtain a mixed solution; then adding 5-8 parts of cellulose ether and 3-6 parts of sodium thiosulfate into the mixed solution, heating and uniformly stirring, then adding 10-20 parts of composite microcapsules, ultrasonically dispersing, heating, dropwise adding 0.5-1.0 part of emulsifying dispersant while stirring, keeping the temperature for 1-3 hours, and then cooling to obtain the glue reducing agent. The cement reducing agent disclosed by the invention is simple in preparation process, cement particles are fully dispersed and prevented from being agglomerated under the action of the glycerol and the mixed powder in the cement reducing agent under the action of the composite microcapsules, so that the use amount of cement in concrete with the same strength grade is greatly reduced, the workability of the concrete is improved, and the strength of the concrete is improved.
本发明涉及混凝土添加剂技术领域，具体提供了一种混凝土低碳减胶剂及其制备方法。减胶剂由以下方法制得：首先将20‑45份甘油、3‑6份混合粉和55‑70份去离子水混合，超声分散后得到混合溶液；然后再将5‑8份纤维素醚和3‑6份硫代硫酸钠加入到混合溶液中，加热搅拌均匀后加入复合微胶囊10‑20份，超声分散，加热，边搅拌边滴加乳化分散剂0.5‑1.0份，保温1‑3h后冷却得到减胶剂。本发明的减胶剂制备工艺简单，减胶剂中的甘油和混合粉在复合微胶囊的作用下，使水泥颗粒分散充分、防止团聚，使水泥在同强度等级混凝土中的用量大幅下降，改善混凝土和易性，提升混凝土的强度。
Concrete low-carbon glue reducing agent and preparation method thereof
一种混凝土低碳减胶剂及其制备方法
GU JINLONG (Autor:in) / LI TAO (Autor:in) / LI TIANYU (Autor:in) / SONG BAOGANG (Autor:in) / YANG BOKAI (Autor:in) / FAN CHUNYU (Autor:in) / SHEN HAO (Autor:in)
06.12.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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