Solubility of Polycaprolactone in Supercritical Carbon Dioxide with Ethanol as Cosolvent

被引：11
|
作者：
Rodriguez Rojo, Soraya [1 ]
Martin, Angel [1 ]
Saez Calvo, Elisa [1 ]
Jose Cocero, Maria [1 ]
机构：
[1] Univ Valladolid, High Pressure Proc Grp, Dept Chem Engn & Environm Technol, Fac Ciencias, E-47011 Valladolid, Spain
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2009年 / 54卷 / 03期
关键词：
SPHERE-CHAIN EQUATION; RELEASE PROFILES; MICROSPHERES; MORPHOLOGY;
D O I：
10.1021/je8007364
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The solubility of a polycaprolactone polymer with molecular weight of 1000 g.mol(-1) (CAPA 2101A) in supercritical carbon dioxide with ethanol as cosolvent has been measured with a variable volume view cell according to the synthetic method. Three isotherms with temperatures ranging from (303 to 330) K were measured in the pressure range of (10 to 25) MPa, maintaining a constant ethanol molar fraction of 0.075. Polycaprolactone solubilities up to 0.2 % in mass were observed. Additionally, the perturbed hard-sphere-chain equation of state (PHSC EoS) has been used to correlate the experimental data.
引用
收藏
页码：962 / 965
页数：4
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