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A platform for research: civil engineering, architecture and urbanism
Ultraslow release type polycarboxylic acid pumping agent and preparation method thereof
The invention discloses an ultraslow release type polycarboxylic acid pumping agent, which is prepared from the following components in percentage by weight: 60-80% of a high-efficiency water reducingagent; 0.5%-1% of a fullerene suspension subjected to surface modification; 6%-8% of an aliphatic compound; 1%-5% of sodium gluconate; 1%-5% of a carboxylic acid-based graft copolymer; 0.1%-0.5% of cellulose and balance of water; and a preparation method comprises the following steps: firstly, adding the water into a stirrer, and then adding the fullerene suspension subjected to surface modification into the stirrer, the superplasticizer, the aliphatic compound, the sodium gluconate, the carboxylic acid-based graft copolymer and the cellulose sequentially into the stirrer, and stirring for 7-10 hours. The super-slow-release polycarboxylic acid pumping agent can improve the impermeability, frost resistance and durability of concrete, can reduce the slump loss of the concrete, is suitable for long-distance transportation and pumping construction, has a wide application range, is convenient in raw material purchase and low in cost, and has an obvious economic value.
本发明公开了一种超缓释型聚羧酸泵送剂，由以下重量百分比的成分组成：高效减水剂60%‑80%；经过表面修饰的富勒烯悬浮液0.5%‑1%；脂肪族化合物6%‑8%；葡萄糖酸钠1%‑5%；羧酸类接枝共聚物1%‑5%；纤维素0.1%‑0.5%，水余量，先将水加入搅拌机中，再将经过表面修饰的富勒烯悬浮液；高效减水剂；脂肪族化合物；葡萄糖酸钠；羧酸类接枝共聚物；纤维素依次加入混合机中进行搅拌7‑10小时，即可。本发明的超缓释型聚羧酸泵送剂，能提高混凝土的抗渗、抗冻、耐久性，能降低混凝土坍落度损失，适合于长距离的运输及泵送施工，适用范围广，同时原材料购买方便，成本较低，具有明显的经济价值。
Ultraslow release type polycarboxylic acid pumping agent and preparation method thereof
The invention discloses an ultraslow release type polycarboxylic acid pumping agent, which is prepared from the following components in percentage by weight: 60-80% of a high-efficiency water reducingagent; 0.5%-1% of a fullerene suspension subjected to surface modification; 6%-8% of an aliphatic compound; 1%-5% of sodium gluconate; 1%-5% of a carboxylic acid-based graft copolymer; 0.1%-0.5% of cellulose and balance of water; and a preparation method comprises the following steps: firstly, adding the water into a stirrer, and then adding the fullerene suspension subjected to surface modification into the stirrer, the superplasticizer, the aliphatic compound, the sodium gluconate, the carboxylic acid-based graft copolymer and the cellulose sequentially into the stirrer, and stirring for 7-10 hours. The super-slow-release polycarboxylic acid pumping agent can improve the impermeability, frost resistance and durability of concrete, can reduce the slump loss of the concrete, is suitable for long-distance transportation and pumping construction, has a wide application range, is convenient in raw material purchase and low in cost, and has an obvious economic value.
本发明公开了一种超缓释型聚羧酸泵送剂，由以下重量百分比的成分组成：高效减水剂60%‑80%；经过表面修饰的富勒烯悬浮液0.5%‑1%；脂肪族化合物6%‑8%；葡萄糖酸钠1%‑5%；羧酸类接枝共聚物1%‑5%；纤维素0.1%‑0.5%，水余量，先将水加入搅拌机中，再将经过表面修饰的富勒烯悬浮液；高效减水剂；脂肪族化合物；葡萄糖酸钠；羧酸类接枝共聚物；纤维素依次加入混合机中进行搅拌7‑10小时，即可。本发明的超缓释型聚羧酸泵送剂，能提高混凝土的抗渗、抗冻、耐久性，能降低混凝土坍落度损失，适合于长距离的运输及泵送施工，适用范围广，同时原材料购买方便，成本较低，具有明显的经济价值。
Ultraslow release type polycarboxylic acid pumping agent and preparation method thereof
一种超缓释型聚羧酸泵送剂及其制备方法
ZHANG MORAN (author)
2020-07-10
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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