采用自由基共聚合方法,将丙烯酰胺基偶氮苯(AAAB)与N-异丙基丙烯酰胺(NIPAAm)共聚,制备了一种具有温度和紫外光双重响应性的P(NIPAAm-co-AAAB)共聚凝胶,并研究了凝胶的温敏性.研究结果表明,P(NIPAAm-co-AAAB)凝胶具有温度响应性,且溶胀和退溶胀性能较好.与PNIPAAm凝胶相比,共聚凝胶平衡溶胀率降低.随共聚配比中AAAB含量的增大,共聚凝胶的低临界溶解温度(LCST)、平衡溶胀率和退溶胀速率均逐渐降低.
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