Alkali-resistant core-shell polymers having an acid-insoluble core and an acid-soluble shell are prepared by sequential emulsion polymerization of a monomer mixture having acid-ionizable functionality such that the resulting polymer has an acid-insoluble core and an acid-soluble shell. Films from these alkali-resistant, core-shell polymers are resistant to high pH environments where alkali-resistance is required. The alkali-resistant, core-shell polymers are useful in applications such as inks, clear overprint varnishes, coatings, metal adhesion, fiber treatment, paper treatment, cathodic deposition coatings, stain blocking, coagulants and flocculants.
耐碱核壳聚合物具有不溶于酸的核和可溶于酸的壳,其制备方法是将具有可酸离子化官能团的单体混合物依次进行乳液聚合,使得到的聚合物具有不溶于酸的核和可溶于酸的壳。由这些耐碱核壳聚合物制成的薄膜可以耐受需要耐碱的高 pH 值环境。耐碱核壳聚合物可用于油墨、透明罩印清漆、涂料、
金属粘合剂、纤维处理剂、纸张处理剂、阴极沉积涂料、阻渍剂、凝结剂和絮凝剂等应用。