高瑞军1, 刘 晓2, 钱珊珊2, 张 豹3, 王宏霞1, 高春勇1
（1. 中国建筑材料科学研究总院有限公司, 北京 100024;2. 北京工业大学 材料与制造学部, 北京 100124;3. 山东浩宇建材科技有限公司, 山东 滨州 256200）
引用格式：高瑞军, 刘晓, 钱珊珊, 等. 固体聚羧酸减水剂制备方法研究现状[J]. 中国粉体技术, 2023, 29(4): 61-70.
GAO R J, LIU X, QIAN S S, et al. Preparation methods of solid polycarboxylate superplasticizer:a view[J]. China Powder Science and Technology, 2023, 29(4): 61-70.
DOI：10.13732/j.issn.1008-5548.2023.04.006
收稿日期：2022-10-21，修回日期：2022-12-20，在线出版时间：2023-05-19 10:14。
基金项目：国家重点研发计划项目,编号: 2022YFC3902704、 2019YFC1520603。
第一作者简介：高瑞军(1985—),男,高级工程师,博士,研究方向为砂浆、 混凝土外加剂及固废资源化利用。E-mail: gao_423@163.com。
摘要：随着水泥基材料和石膏基材料对施工性能和力学性能要求的提高，固体聚羧酸减水剂因运输方便、存储时间长、性能稳定等特点，应用越发普遍。固体聚羧酸减水剂制备方法各异，性能也各有不同。概括固体聚羧酸减水剂不同制备方法所使用的生产设备、生产工艺流程及产品性能，总结固体聚羧酸减水剂不同制备方法的优缺点及生产成本范围；详细阐述固体聚羧酸减水剂喷雾干燥法、本体聚合法、沉淀法、吸附法等制备方法的特点及影响因素。基于喷雾干燥法生产工艺成熟，但多级干燥及节能降耗问题导致生产成本较高；本体聚合法存在反应温度不均等工业化技术问题；沉淀法和吸附法存在大量使用有机溶剂、环保和成本等问题，短时间内均较难大规模的推广应用，提出本体聚合法在未来几年将会得到深入研究和快速发展。
关键词：固体聚羧酸减水剂; 喷雾干燥; 本体聚合; 沉淀法; 吸附法
Abstract：As cement-based materials and gypsum-based materials have higher requirements for construction and mechanical properties, solid polycarboxylate superplasticizer is more and more widely used according to its characteristics of convenient transportation, long storage time and stable performance. Solid polycarboxylate superplasticizer has different properties due to different preparation methods.The production equipment, production process and product performance of solid polycarboxylate superplasticizer were summarized in this paper. The advantages and disadvantages of different preparation methods of solid polycarboxylate superplasticizer and the scope of production cost were summarized. The characteristics and influencing factors of preparation methods of solid polycarboxylate superplasticizer such as spray drying method, bulk polymerization method, precipitation method and adsorption method were described in detail. Because of the mature production process of spray drying method, but its cost is high due to multi-stage drying and energy saving and consumption reduction, the bulk polymerization has the problem of unequal reaction temperature, and the precipitation method and adsorption method have the problems of large use of organic solvents, environmental protection and cost, so based on this, it is proposed that the bulk polymerization method will be deeply studied and developed rapidly in the next few years.
Keywords：solid polycarboxylate superplasticizer; spray drying; bulk polymerization; precipitation method; adsorption method
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