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Composite polycarboxylic acid water reducer and preparation method thereof
The invention provides a composite polycarboxylic acid water reducer and a preparation method thereof, and relates to the technical field of polycarboxylic acid water reducers. The composite polycarboxylate superplasticizer comprises the following raw materials: a polycarboxylate superplasticizer, sodium lignin sulfonate, acrylic acid, water-soluble cellulose ether, 2-ethylhexanol, gellan gum, an air entraining agent, a silane coupling agent and the like. Through compounding of specific raw materials, the composite polycarboxylic acid water reducing agent has the advantages of high water reducing rate, good slump retaining property, low solid blending amount, capability of improving the mechanical property of a hydraulic composition, adjustment of the flow rate, reduction of bleeding conditions and the like.
本发明提供了一种复合型聚羧酸减水剂及其制备方法，涉及聚羧酸减水剂技术领域。本发明的复合型聚羧酸减水剂包括聚羧酸减水剂、木质素磺酸钠、丙烯酸、水溶性纤维素醚、2‑乙基己醇、结冷胶、引气剂、硅烷偶联剂等原料。该复合型聚羧酸减水剂通过特定原料之间的复配，具有减水率高、保坍性能好、折固掺量低，能够提高水硬性组合物力学性能，调整其流速，减轻泌水情况等优点。
Composite polycarboxylic acid water reducer and preparation method thereof
The invention provides a composite polycarboxylic acid water reducer and a preparation method thereof, and relates to the technical field of polycarboxylic acid water reducers. The composite polycarboxylate superplasticizer comprises the following raw materials: a polycarboxylate superplasticizer, sodium lignin sulfonate, acrylic acid, water-soluble cellulose ether, 2-ethylhexanol, gellan gum, an air entraining agent, a silane coupling agent and the like. Through compounding of specific raw materials, the composite polycarboxylic acid water reducing agent has the advantages of high water reducing rate, good slump retaining property, low solid blending amount, capability of improving the mechanical property of a hydraulic composition, adjustment of the flow rate, reduction of bleeding conditions and the like.
本发明提供了一种复合型聚羧酸减水剂及其制备方法，涉及聚羧酸减水剂技术领域。本发明的复合型聚羧酸减水剂包括聚羧酸减水剂、木质素磺酸钠、丙烯酸、水溶性纤维素醚、2‑乙基己醇、结冷胶、引气剂、硅烷偶联剂等原料。该复合型聚羧酸减水剂通过特定原料之间的复配，具有减水率高、保坍性能好、折固掺量低，能够提高水硬性组合物力学性能，调整其流速，减轻泌水情况等优点。
Composite polycarboxylic acid water reducer and preparation method thereof
一种复合型聚羧酸减水剂及其制备方法
LI BENXIU (author) / ZHANG XIN (author) / REN PENGFEI (author)
2024-12-27
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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