摘要：以球形雾化锌铝合金为原料, 采用机械湿式球磨法制备出鳞片状锌铝合金;探究球磨时间、球磨机转速和球磨助剂等工艺参数对产品性能的影响;使用扫描电镜 (SEM) 、X-射线衍射仪 (XRD) 、红外光谱仪 (FTIR) 、激光粒度分析仪以及比表面仪对制备的鳞片状锌铝合金的微观形貌、晶体结构、表面吸附助磨剂官能团、粒径大小以及比表面积进行了分析。结果表明, 当以球磨时间为9 h、球磨机转速为600 r/min、以含二乙醇胺-马来酸酐共聚物的复合助磨剂为球磨助剂 (添加量为原料的2.5%) 时, 所制备的鳞片状锌铝合金的片状化程度良好, 光亮度高, 径厚比为36, 粒径分布均匀, 平均粒径在9μm左右, 能够满足富锌铝涂料要求。

关键词：鳞片状锌铝合金；机械湿式球磨法；助磨剂；二乙醇胺-马来酸酐共聚物

Abstract：Using spherical zinc aluminum alloy powders as raw material, flake zinc aluminum alloy powders were prepared by mechanical wet ball milling. The effects of technological parameters such as ball grinding time, ball mill speed and ball grinding agents on product performance were investigated. Themorphology, crystalline structure, adsorptive functional groups of grinding agent, particle size and specific surface area of flake zinc aluminum alloy were characterized with scanning electron microscopy (SEM) , X-ray diffraction (XRD) , infrared spectrometer (FTIR) , laser particle size analyzer and specific surface analyzer. The results show that the ball-milled flake zinc aluminum alloy can be prepared at a rotating speed of 600 r/min, milling time of 9 h and using composite grinding agent containing diethanolamine maleic anhydride copolymer as grinding additive (with the additive dosage of 2.5%) , which exhibits good laminating degree, high luminance, uniform distribution of particle size, its diameter to thickness ratio is 36 and the average particle size is about 9 μm. It can satisfy the requirements for rich zinc aluminum coating.

Keywords：flake zinc aluminum alloy；mechanical wet ball milling；grinding agent；diethanolamine maleic anhydride copolymer