以等质量的物理交联剂锂皂石(hectorite)和化学交联剂亚甲基双丙烯酰胺(MBA)共同作为交联剂制备了聚异丙基丙烯酰胺水凝胶.该复合交联剂改善了仅用MBA交联制备的水凝胶的脆性和透光性,储能模量(E')约为单独使用亚甲基双丙烯酰胺(MBA)和hectorite制备的水凝胶的储能模量之和的一半,体积相转变温度(VPTT)仍在32℃左右,和单独使用MBA和hectorite制备的水凝胶的VPTT相一致,但内部形态和溶胀度更多地取决于化学交联剂MBA的使用.
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