THE EFFECT OF ELECTROLYTE CONCENTRATION ON THE THIXOTROPIC BEHAVIOR OF MICROCRYSTALLINE CELLULOSE-SODIUM CARBOXYMETHYL CELLULOSE GELS

被引：6
|
作者：
DOLZ, M [1 ]
HERRAEZ, JV [1 ]
SOBRINO, P [1 ]
BELDA, R [1 ]
HERRAEZ, M [1 ]
机构：
[1] UNIV VALENCIA,FAC PHARM,DEPT PHARMACEUT,VALENCIA,SPAIN
来源：
JOURNAL OF DISPERSION SCIENCE AND TECHNOLOGY | 1991年 / 12卷 / 5-6期
关键词：
GEL; MICROCRYSTALLINE CELLULOSE; THIXOTROPIC BEHAVIOR; ELECTROLYTE CONCENTRATIONS;
D O I：
10.1080/01932699108913145
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The thixotropic behaviour of a hydrogel containing 2.5% microcrystalline cellulose-sodium carboxymethyl cellulose, is studied as a function of electrolyte concentration. Shear stress values were obtained for each concentration in terms of shear rate after different agitation and storage times, at 22-degrees-C. For the same shear rates, the shear stress values were lower the greater NaCl concentration. In addition, the thixotropic area decreased with increasing NaCl concentration and storage time.
引用
收藏
页码：453 / 466
页数：14
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