以差示扫描量热(DSC)和动态力学分析(DMA)研究了交联壳聚糖/聚醚半互穿聚合物网络(Cr-CS/PE semi-IPN)水凝胶中水的状态和玻璃化转变,讨论了水的含量和状态对玻璃化转变温度的影响.结果表明,在此水凝胶中存在3种状态水,而水凝胶的玻璃化转变温度随凝胶中不冻结水的含量增大而降低显示水的增塑作用.且用X射线衍射研究水对此半互穿网络结晶结构的影响.
参考文献
[1] | 张开.高分子物理学[M].北京:化学工业出版社,1981 |
[2] | Camberlin Y et al.[J].Journal of Polymer Science Part B:Polymer Physics,1984,22:1835. |
[3] | Higuchi A et al.[J].POLYMER BULLETIN,1984,11:203. |
[4] | Ratto J.;Blumstein RB.;Hatakeyama T. .DIFFERENTIAL SCANNING CALORIMETRY INVESTIGATION OF PHASE TRANSITIONS IN WATER CHITOSAN SYSTEMS[J].Polymer: The International Journal for the Science and Technology of Polymers,1995(15):2915-2919. |
[5] | Hu D S G;Lin M T S .[J].Polymer,1994,35:4416. |
[6] | Yoshida H;Hatakeyama T et al.[J].Polymer,1990,31:693. |
[7] | Yoshida H;Maeno N;Hondoh T.Physics and Chemistry of Ice[M].Sapporo:Hokkaido Univ Press,1992:284. |
[8] | Mclrum N.Anelastic and Dielectric Effects in Polymeric Solids[M].Wiley,New York,1967 |
[9] | Rault J.;Ping ZH.;Nguyen QT.;Neel J.;Gref R. .GLASS TRANSITION TEMPERATURE REGULATION EFFECT IN A POLY(VINYL ALCOHOL)-WATER SYSTEM[J].Polymer: The International Journal for the Science and Technology of Polymers,1995(8):1655-1661. |
[10] | Bluhm T et al.[J].POLYMER BULLETIN,1984,11:254. |
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