分别以丙烯酰胺(AM)和异丙基丙烯酰胺(NIPAM)为单体,以亚甲基双丙烯酰胺(MBA)为化学交联剂和无机纳米黏土硅酸镁锂(LMSH)为物理交联剂,在水溶液中采用自由基聚合制备得到4种类型水凝胶.结果表明:相比于MBA,LMSH交联的polyAM和polyNIPAM水凝胶溶胀度高,孔洞数量多,结晶紫吸附量增加5～8倍.就吸附和使用效果而言,LMSH交联的polyNIPAM水凝胶是最佳的结晶紫吸附剂.
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