铝粉作为重要的金属颜料之一,当其用于水性涂料时,易被腐蚀而逐渐失去金属光泽,因此需要对其进行表面改性.目前的表面改性方法主要有添加缓蚀剂法和包覆膜法,较多的是添加缓蚀剂来保护铝颜料,而包覆膜法对铝颜料能起到更好的保护作用,被认为是一种较有发展前景的方法.本文对铝颜料表面改性机理及改性方法的研究进展进行了介绍,指出了目前改性方法中存在的不足,并提出了改进措施.
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