A novel route to prepare pH- and temperature-sensitive Semi-IPN nanocomposite microgels

摘要：

A novel method via a physical crosslinking process has been adopted to prepare pH-and temperature-sensitive semi-IPN nanocomposite microgels. First, PNIPA microgel was prepared via surfactant-free emulsion polymerization by using inorganic clay as a crosslinker, and then AAc monomer was polymerized within the PNIPA microgel. The structure and morphology of the microgel were confirmed by XRD and TEM. The results indicated that the exfoliated clay platelets were dispersed homogeneously in the PNIPA microgels and acted as a multifunctional crosslinker, while the linear PAAc polymer chains incorporated in the PNIPA microgel network to form a semi-IPN structure. The semi-IPN microgels exhibited good pH and temperature sensitivity, which could respond independently to both pH and temperature changes.

作者: MA Jinghong FAN Bing LIANG Borun XU Jian

作者单位: State Key Laboratory for Modification of Chemical Fibers and Polymer Materials,Donghua University, Shanghai 201620, P.R.China

会议类型: 国际会议

会议名称: 2009 International Conference on Advanced Fibers and Polymer Materials(2009年先进纤维与聚合物材料国际学术会议)

会议地点: 上海

会议语种:英文

页码: 1232-1234

在线出版日期: 2009-10-21（万方平台首次上网日期，不代表论文的发表时间）