Vapor–Liquid Equilibrium in Diluted Polymer + Solvent Systems (CROSBI ID 166616)
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Podaci o odgovornosti
Bogdanić, Grozdana ; Wichterle, Ivan
engleski
Vapor–Liquid Equilibrium in Diluted Polymer + Solvent Systems
Vapor–liquid equilibrium data were determined for five polymer + toluene systems at isothermal conditions between 333.15 and 373.15 K. Polymers comprise copolymers and terpolymers of octadecyl acrylate, acrylic acid, styrene, and 1-vinyl-2-pyrrolidone because of their practical importance as flow improvers for crude oil and/or derivatives. All-glass micro-ebulliometer with circulation of liquid phase was used for measurement of total pressure over polymer + toluene mixtures. Two predictive group contribution models (the Entropic-FV and the GC-Flory) were applied to estimate phase behavior of two polymer solutions ; good agreement with experimental data was achieved.
vapor–liquid equilibrium data ; all-glass micro-ebulliometer ; copolymers ; terpolymers ; Entropic-FV model ; GC-Flory model
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Podaci o izdanju
56 (4)
2011.
1080-1083
objavljeno
0021-9568
1520-5134
10.1021/je101052a
Povezanost rada
Kemija, Kemijsko inženjerstvo, Temeljne tehničke znanosti