含苯并环丁烯(BCB)功能基团的单体N-(苯并环丁烯-4-基)丙烯酰胺(NBCBAA)与丙烯酰胺(AM)在溶剂中发生自由基共聚反应,固化后形成聚丙烯酰胺水凝胶,采用红外光谱对其结构进行了表征.通过系列实验对凝胶的溶胀行为进行了研究,结果表明,不同的共聚比例时凝胶的溶胀速率以及平衡溶胀比有影响,该凝胶具有良好的重复吸水性、一定的温敏性和pH敏感性.
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