Properties of supercritical CO2 saturated poly(ethylene glycol) nonylphenyl ether

被引：0
|
作者：
Dimitrov, K
Boyadzhiev, L
Tufeu, R
机构：
[1] Bulgarian Acad Sci, Inst Chem Engn, Sofia 1113, Bulgaria
[2] Univ Paris 13, CNRS, Lab Ingn Mat & Hautes Press, F-93430 Villetaneuse, France
来源：
MACROMOLECULAR CHEMISTRY AND PHYSICS | 1999年 / 200卷 / 07期
关键词：
D O I：
10.1002/(SICI)1521-3935(19990701)200:7<1626::AID-MACP1626>3.0.CO;2-H
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Density and viscosity of poly(ethylene glycol) nonylphenyl ether (PEG-NPE) saturated with supercritical carbon dioxide (SCCO2), as well as the interfacial tension in the PEG-NPE-SCCO2 system, were evaluated for the temperature range of 323 K to 343 K and pressures of 10.0 to 25.5 MPa. Remarkable polymer swelling as a result of solvent penetration was observed, and the coefficient of swelling for the above mentioned experimental conditions was evaluated. Data obtained show that the viscosity of polymer-rich phase is a decreasing function of both temperature and pressure. Moreover interfacial tension is a decreasing linear function of carbon dioxide density.
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页码：1626 / 1629
页数：4
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