FLOW AND VISCOELASTIC PROPERTIES OF XANTHAN GUM SOLUTIONS

被引:170
作者
MILAS, M
RINAUDO, M
KNIPPER, M
SCHUPPISER, JL
机构
[1] CNRS, CTR RECH KOHOKU KU, BP 53 X, F-38041 GRENOBLE, FRANCE
[2] RHONE POULENC, CTR RECH AUBERVILLIERS, F-93308 AUBERVILLIERS, FRANCE
关键词
D O I
10.1021/ma00211a018
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
This paper concerns the rheological behavior of an unpasteurized sample of xanthan as a function of the polymer concentration and of the conformation of the polysaccharide. The evidence of critical concentrations (C* and C**) is discussed from steady shear and dynamic experiments. The behavior of the xanthan solutions is characteristic of polymeric solutions without any evidence of gellike character in contrast with the results obtained previously on commercial samples. © 1990, American Chemical Society. All rights reserved.
引用
收藏
页码:2506 / 2511
页数:6
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