Determination of interaction parameter of polymer blends

被引：0
|
作者：
Kalyanasundaram, S [1 ]
Rajendran, S [1 ]
Chelladurai, C [1 ]
机构：
[1] Alagappa Univ, Dept Phys, Karaikkudi 630003, Tamil Nadu, India
来源：
BULLETIN OF ELECTROCHEMISTRY | 2002年 / 18卷 / 10期
关键词：
ultrasonic velocity; viscosity; Gibb's free energy; interaction parameter;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Ultrasonic and viscometric studies have been undertaken to investigate the compatibility of polymer blends. For this purpose, solutions of blends of poly (vinyl alcohol) and poly (ethylene oxide) have been prepared over a wide range of concentrations at 303 K, 313 K and 323 K in dimethyl formamide. The variation of viscosity, velocity and adiabatic compressibility of the composite is found to be linear indicating the degree of compatibility of polymer blend at all concentrations and temperatures. The correlation between excess adiabatic compressibility and interaction parameter with the compatibility is also determined for the first time.
引用
收藏
页码：473 / 476
页数：4
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