Solubility and interfacial tension of thermoplastic polyurethane melt in supercritical carbon dioxide and nitrogen

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• 作者：A. Primel^a ; ^b ; J. Fé ; rec^a ; G. Ausias^a ; ^{gilles.ausias@univ-ubs.fr} ; Y. Tirel^b ; J.-M. Veillé ; ^b ; Y. Grohens^a
• 关键词：Thermoplastic polyurethane ; Solubility ; Swelling ratio ; Interfacial tension
• 刊名：The Journal of Supercritical Fluids
• 出版年：2017
• 出版时间：April 2017
• 年：2017
• 卷：122
• 期：Complete
• 页码：52-57
• 全文大小：1289 K
• 卷排序：122

文摘

Mixtures of TPU with supercritical CO2 and N2 were investigated. S-L EOS scaling parameters of TPU, CO2 and N2 were determined. Increasing pressure at a constant temperature enhances the solubility for both SCFs. The solubility of CO2 is four times greater than the one of N2 in the TPU melt.