Studies on miscibility of sodium alginate/polyethylene glycol blends

被引：13
|
作者：
Siddaramaiah [1 ]
Swamy, T. M. Mruthyunjaya [1 ]
机构：
[1] Sri Jayachamarajendra Coll Engn, Dept Polymer Sci & Technol, Mysore 570006, Karnataka, India
来源：
JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY | 2007年 / 44卷 / 03期
关键词：
polymer blends; viscosity; ultrasonic velocity; refractive index; miscibility;
D O I：
10.1080/10601320601077492
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Miscibility studies have been conducted on solutions of blends of sodium alginate (SA) and polyethylene glycol (PEG) over an extended range of concentrations and compositions in water. The ultrasonic velocity, viscosity, density, and refractive index of the blends have been measured at 30 and 50 degrees C as a function of compositions of SA/PEG. The interaction parameters such as mu and alpha have been obtained using the viscosity data to probe the miscibility of the blends. The plots of reduced viscosity verses composition deviate from linearity according to the degree of miscibility of SA/PEG blends at all concentrations. The obtained miscibility results from viscosity have been confirmed by the ultrasonic velocity, density, and refractive index.
引用
收藏
页码：321 / 327
页数：7
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