Viscometric study of extremely dilute polyacrylonitrile solutions

被引:33
作者
Bercea, M [1 ]
Morariu, S [1 ]
Ioan, C [1 ]
Ioan, S [1 ]
Simionescu, BC [1 ]
机构
[1] Gh Asahi Tech Univ, Dept Macromol, Jassy 6600, Romania
关键词
D O I
10.1016/S0014-3057(98)00287-0
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The critical overlapping concentration c' which separates the dilute and extremely dilute regimes for polyacrylonitrile in dimethylformamide was studied by viscometry. A scaling law between the reduced viscosity eta(sp)/c and the concentration for the extremely dilute regime was found and the deviation from the Huggins dependence was discussed. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:2019 / 2024
页数:6
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