微波等离子体引发合成P(AMPS/NIPA)新型智能凝胶及其性能

以2-丙烯酰胺-2-甲基丙磺@（AMPS）和异丙基丙烯酰胺（NIPA）为单体，通过微波等离子体引发聚合制备了新型二元智能凝胶P（AMPS／NIPA），并对其性能进行了研究。探讨了等离子体功率及处理时间对聚合反应的影响；研究了该凝胶的温度敏感性、吸水／失水动力学和pH敏感性及其影响因素；对凝胶的组成及三维交联网络结构进行了表征。结果表明，P（AMPS／NIPA）二元智能凝胶具有高的溶胀比、很好的温度敏感性和pH敏感性以及快的智能响应速率。

P(AMPS/NIPA) Hydrogel Initiated by Microwave Plasma

A new type of dualistic intelligent hydrogel,P(AMPS/NIPA) hydrogel,was synthesized from NIPA and AMPS by microwave plasma polymerization and the characteristics of the hydrogel were studied.Firstly,the affecting factors such as treatment power and treatment time of plasma are discussed in detail.Secondly,temperature-sensitivity,swelling/shrinking kinetics and pH-sensitivity of the P(AMPS/NIPA) hydrogel were investigated respectively. Then the composition and the three dimensional crosslinked net structure were characterized.The results show that the prepared P(AMPS/NIPA) hydrogel has a large swelling ratio,good temperature-sensitivity,pH-sensitivity and rapid responding speed.