以过硫酸胺(APS)氧化-还原体系为引发体系,通过活性自由基溶液聚合法制备了交联网状聚乙二醇双丙烯酸酯(PEGDA)/N-乙烯基吡咯烷酮(NvP)共聚物水凝胶支架.研究结果表明,将亲水组分NVP引入到聚合物中,可提高支架材料的亲水性,改善水凝胶降解速度,NVP的加入有效地降低了PEGDA的刚度,加强了材料的压缩屈服应变力,使得支架的柔韧性能得到很好的改善.
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