ELECTROKINETIC PROPERTIES OF MODIFIED POLYESTER FIBERS

被引：14
|
作者：
TELI, MD
PRASAD, NM
VYAS, UV
机构：
[1] Department of Chemical Technology, University of Bombay, Bombay
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 1993年 / 50卷 / 03期
关键词：
Dyes - Reaction kinetics - Surface properties - Textures;
D O I：
10.1002/app.1993.070500308
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Electrokinetic properties of normal polyester flat filament, texturized polyester and cationic dyeable polyester were studied when solutions of different pH and cationic dye concentrations were run through them. The textured polyester exhibited maximum negative zeta potential whereas cationic dyeable polyester showed minimum. The negative zeta potential was found to be maximum near neutral pH. The effect of heat-setting at extreme conditions (220-degrees-C, 90 s) on electrokinetic properties was also studied. Such heat-setting was found to lower negative zeta potential, attributed to a decrease in surface area. Cationic dyeable, ''easy'' dyeable, and normal flat filament type polyester were also investigated. Results with respect to negative zeta potential, surface charge density, and surface conductivity, are discussed. (C) 1993 John Wiley & Sons, Inc.
引用
收藏
页码：449 / 457
页数：9
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