Measurement of Toluene Solubility in PVAc Using a Quartz Crystal Microbalance

被引：0
|
作者：
Kim, S. B. [1 ]
机构：
[1] Kyonggi Univ, Dept Chem Engn, Suwon 443760, South Korea
来源：
ELASTOMERS AND COMPOSITES | 2008年 / 43卷 / 03期
关键词：
QCM; PVAc; frequency; solubility;
D O I：
暂无
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The resistance and frequency change of a quartz crystal microbalance during toluene absorption was measured for poly(vinyl acetate) (PVAc) with 268 nm thickness. Solubility of toluene in PVAc were measured at temperatures from 25 degrees C to 42 degrees C and pressures up to 28.4 torr. The frequency of a quartz crystal microbalance increased with increasing temperature and decreased with an increase in toluene vapor pressure. The resistance of a quartz crystal microbalance increased with increasing toluene vapor pressure and decreased with an increase in temperature. A greater pressure of toluene results in a greater solubility of the toluene into the PVAc film. The change of solubility was calculated by Sauerbrey equation.
引用
收藏
页码：166 / 172
页数：7
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