改性硫酸钡的制备方法及其装置
本发明提供了一种改性硫酸钡的制备方法,该方法包括以下步骤,将溶质M和水混合,以得到改性剂,将硫酸钡样液和改性剂进行混合并加热,得到中间体,依次对中间体进行过滤、洗涤及干燥,以得到硫酸钡成品,其中,溶质M为聚丙烯酸钠、聚乙烯醇、聚乙二醇、硬脂酸钠或聚丙烯酸中的一种。本发明的改性硫酸钡的制备方法,通过改性剂提高硫酸钡的表面活性,改善硫酸钡在溶液中的分散行为,以及降低硫酸钡吸油值,减少团聚现象,提高复合材料的均匀性和稳定性。
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