THE SPINNABILITY OF VISCOELASTIC SOLUTIONS OF TETRADECYL-TRIMETHYLAMMONIUM AND HEXADECYL-TRIMETHYLAMMONIUM SALICYLATES

被引:22
作者
IMAE, T
HASHIMOTO, K
IKEDA, S
机构
[1] Department of Chemistry, Faculty of Science, Nagoya University, Nagoya
关键词
hexadecyl trimethylammonium salicylate; rodlike micelle; Spinnability; tetradecyltrimethylammonium salicylate; viscoelastic surfactant solution;
D O I
10.1007/BF01411005
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 spinnability was measured for aqueous viscoelastic solutions of tetradecyl- and hexadecyltrimethylammonium salicylates (C14TASal, C16TASal) in the absence and presence of sodium salicylate (NaSal) and sodium bromide (NaBr). The spinnability is classified into two types, D and C. While the intrinsic drawing length in type D is proportional to the drawing velocity, the drawing intrinsic length in type C decreases with the drawing velocity or is independent of it. The spinnability changes from type D to C, as the drawing velocity and the surfactant concentration increase, and the temperature lowers. The effect of salt is different between NaSal and NaBr. It can be assumed that a pseudo-network structure composed of rod-like micelles is formed in viscoelastic and spinnable surfactant solutions. Then, the spinnability depends on the balance between the elasticity and the viscosity in which the structure results. © 1990 Steinkopff.
引用
收藏
页码:460 / 468
页数:9
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