A Novel CMC/PNIPA/Clay Nanocomposite Hydrogel with Rapid Deswelling Rate and Improved Mechanical Properties
A new series of sodium carboxymethylcellulose/poly (N-isopropylacrylamide)/clay (CMC/PNIPA/Clay) nanocomposite hydrogels were prepared based on linear CMC and PNIPA using inorganic clay as a multifunctional crosslinker by interpenetrating polymer network (IPN) technique. The structure, deswelling behaviors and mechanical properties of this hydrogel were studied. The results showed that the silicate layers were substantially exfoliated and homogeneously dispersed in the hydrogel, which crosslinked the PNIPA polymer chains, whereas CMC was still existed in the form of linear chains incorporated in the semi-IPN hydrogels. Moreover, the novel hydrogels had much higher deswelling rate and superior mechanical performances by compared with the conventional hydrogels.
MA Jinghong ZHANG Li XU Yajing FAN Bing LIANG Borun
State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai 201620, P. R. China
国际会议
上海
英文
896-898
2007-10-15（万方平台首次上网日期，不代表论文的发表时间）