为了研究溶胀体积可随外界环境因素智能变化的吸水凝胶,用微波等离子体预辐射引发聚合P(AMPS/NIPA)新型二元水凝胶.探讨了等离子体预辐射时间、等离子体预辐射功率、交联剂浓度、单体配比和总单体浓度等因素对二元水凝胶吸水倍数的影响,对合成工艺进行了优化.研究了水凝胶的温度敏感性、pH敏感性,并用红外光谱对P(AMPS/NIPA)水凝胶官能团进行了表征.研究表明,微波等离子体预辐射引发聚合制备的P(AMPS/NIPA)二元智能凝胶具有高的吸水倍数、很好的温度敏感性和pH敏感性,是综合性能优秀的智能水凝胶.
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