Polymer/solvent equilibrium measurements via vapor-phase infrared spectroscopy

被引：11
|
作者：
Zielinski, JM [1 ]
Carvill, BT [1 ]
Gardner, SA [1 ]
Kimak, MF [1 ]
Horvath, R [1 ]
Rovira, JE [1 ]
机构：
[1] Air Prod & Chem Inc, Allentown, PA 18195 USA
来源：
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH | 2001年 / 40卷 / 14期
关键词：
D O I：
10.1021/ie0005957
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A new analytical technique based on vapor-phase infrared (IR) spectroscopy has been developed to measure vapor-liquid equilibria in binary and multicomponent polymer/solvent systems. A leak-tight glass vial and heater assembly have been designed to enable in situ IR measurements at conditions of experimental interest, and appropriate calibration curves have been measured. Data obtained by this technique are quantitatively compared with toluene/poly(vinyl acetate) and methanol/poly(vinyl acetate) binary data measured by standard gravimetric analysis.
引用
收藏
页码：2990 / 2994
页数：5
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