PROPERTIES AND SWELLING CHARACTERISTICS OF CROSS-LINKED POLY(VINYL ALCOHOL) CHITOSAN BLEND MEMBRANE

被引:177
作者
KIM, JH [1 ]
KIM, JY [1 ]
LEE, YM [1 ]
KIM, KY [1 ]
机构
[1] HANYANG UNIV,COLL ENGN,DEPT IND CHEM,SEOUL 133791,SOUTH KOREA
关键词
D O I
10.1002/app.1992.070451004
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Blend membrane consisting of poly (vinyl alcohol) (PVA) and chitosan was prepared from a solvent-casting technique and characterized for their intermolecular interactions using infrared and X-ray diffraction methods. Cross-linking the blend with glutaraldehyde produces a membrane with lower crystallinity and a smaller swelling degree, but having improved thermostability and mechanical properties. The present blend membrane shows a pH-dependent swelling characteristic and will be discussed in detail.
引用
收藏
页码:1711 / 1717
页数:7
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