Effect of degree of saponification on properties of films obtained from PVA/NaCl/H2O system

被引：6
作者：
Iwaseya, M
Katsuyama, N
Yamaura, K
Dai, LX
机构：
[1] Shinshu Univ, Fac Text Sci & Technol, Ueda, Nagano, Japan
[2] Soochow Univ, Coll Mat Engn, Dept Polymer Mat, Suzhou 215021, Jiangsu, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE | 2006年 / 41卷 / 07期
关键词：
D O I：
10.1007/s10853-006-3082-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Properties of the film obtained from the solution of atactic-polyvinyl alcohol (PVA)/NaCl/H2O system were investigated through changing the degree of saponification (DS) and NaCl concentration. The films had a higher crystallinity as well as a higher draw ratio than pure PVA film. Maximum values of degree of crystallinity and draw ratio of the films were 38.5% and 17.8, respectively. The highest tensile modulus of the films was at DS 99.05 mol% and NaCl concentration 2 wt.%. These results indicated that the NaCl concentration control has a beneficial effect on properties upgrade of PVA film, but the DS control was effective in control of degree of crystallinity. (c) 2006 Springer Science + Business Media, Inc.
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页码：1979 / 1982
页数：4
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