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A platform for research: civil engineering, architecture and urbanism
Concrete containing hyperbranched water reducer and preparation method
The invention relates to the technical field of concrete, and discloses concrete containing a hyperbranched water reducing agent and a preparation method of the concrete, medium sand and pebbles are added into a stirrer for stirring, cement, fly ash, the hyperbranched water reducing agent, an auxiliary agent and water are continuously added into the stirrer for stirring, after stirring is finished, casting is performed to form a mold, and curing, forming and mold stripping are performed at the room temperature to obtain the concrete containing the hyperbranched water reducing agent. The concrete containing the hyperbranched water reducing agent is obtained; wherein a branched chain structure in the hyperbranched water reducing agent enables a spatial three-dimensional repulsive force to be formed among molecules, in a short time, due to the effect of the spatial repulsive force of the water reducing agent, a flocculation structure of cement paste is disintegrated continuously, water molecules wrapped in the flocculation structure are released continuously, the hydration process of cement is inhibited, the physical coagulation process of cement particles is relieved, and the water-retaining property of the cement paste is improved. The water seepage phenomenon is obvious, and the slurry loss is reduced; wherein the polyurethane can improve the toughness of the concrete, and the imidazole group can improve the anti-corrosion effect of the concrete.
本发明涉及混凝土技术领域，且公开了一种含超支化减水剂的混凝土和制备方法，本发明通过将中砂、石子加入到搅拌机中进行搅拌，再向其继续加入水泥、粉煤灰、超支化减水剂、助剂、水，搅拌，结束后，浇铸成模，在室温下进行养护，成型拆模，得到含超支化减水剂的混凝土；其中超支化减水剂中的支链结构使得分子间形成一种空间立体斥力，在较短时间内，由于减水剂的空间斥力的作用，水泥浆体的絮凝结构不断的解体，其中包裹的水分子不断的被释放，抑制了水泥的水化过程，缓解水泥粒子物理凝聚过程，沁水现象明显，减少了浆体的损失；其中的聚氨酯可以提高混凝土的韧性，其中的咪唑基团可以提高混凝土的防腐效果。
Concrete containing hyperbranched water reducer and preparation method
The invention relates to the technical field of concrete, and discloses concrete containing a hyperbranched water reducing agent and a preparation method of the concrete, medium sand and pebbles are added into a stirrer for stirring, cement, fly ash, the hyperbranched water reducing agent, an auxiliary agent and water are continuously added into the stirrer for stirring, after stirring is finished, casting is performed to form a mold, and curing, forming and mold stripping are performed at the room temperature to obtain the concrete containing the hyperbranched water reducing agent. The concrete containing the hyperbranched water reducing agent is obtained; wherein a branched chain structure in the hyperbranched water reducing agent enables a spatial three-dimensional repulsive force to be formed among molecules, in a short time, due to the effect of the spatial repulsive force of the water reducing agent, a flocculation structure of cement paste is disintegrated continuously, water molecules wrapped in the flocculation structure are released continuously, the hydration process of cement is inhibited, the physical coagulation process of cement particles is relieved, and the water-retaining property of the cement paste is improved. The water seepage phenomenon is obvious, and the slurry loss is reduced; wherein the polyurethane can improve the toughness of the concrete, and the imidazole group can improve the anti-corrosion effect of the concrete.
本发明涉及混凝土技术领域，且公开了一种含超支化减水剂的混凝土和制备方法，本发明通过将中砂、石子加入到搅拌机中进行搅拌，再向其继续加入水泥、粉煤灰、超支化减水剂、助剂、水，搅拌，结束后，浇铸成模，在室温下进行养护，成型拆模，得到含超支化减水剂的混凝土；其中超支化减水剂中的支链结构使得分子间形成一种空间立体斥力，在较短时间内，由于减水剂的空间斥力的作用，水泥浆体的絮凝结构不断的解体，其中包裹的水分子不断的被释放，抑制了水泥的水化过程，缓解水泥粒子物理凝聚过程，沁水现象明显，减少了浆体的损失；其中的聚氨酯可以提高混凝土的韧性，其中的咪唑基团可以提高混凝土的防腐效果。
Concrete containing hyperbranched water reducer and preparation method
一种含超支化减水剂的混凝土和制备方法
LI HAIWEN (author) / HUANG MINGCHUN (author) / TIAN WEIXIN (author) / MAO ZILONG (author) / CHEN HAO (author) / HUANG MINGKAI (author) / ZHANG LONG (author) / SUN XIANGQIAN (author) / YANG SHUJUN (author) / XIAN ZHONGMING (author)
2024-10-22
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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