Proceedings of the Korean Fiber Society Conference (한국섬유공학회:학술대회논문집)

The Korean Fiber Society (한국섬유공학회)
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Properties and Structure of Poly(vinyl Alcohol) Film Containing Electrolytes

  • Iwaseya, Masato (Faculty of Textile Science and Technology, Shinshu University) ;
  • Yamaura, Kazuo (Faculty of Textile Science and Technology, Shinshu University) ;
  • Dai, Lixing (Department of Polymeric Materials, College of Materials Engineering, Soochow University)
  • Published : 2003.10.01
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Abstract

We have investigated the properties of poly (vinyl alcohol)-film obtained by casting from the solution PVA/electrolytes (NaCl, KCl, MgCl$_2$, CaCl$_2$)/water systems at room temperature. The removed electrolytes films have got high crystallinity as well as high draw ratio. The removed electrolytes films had layer-structure while a film without electrolytes didn't have it. A relation between draw ratio and thickness or number of layers, were recognized.

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