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À propos de : Bubble and Cloud Points of the Systems Poly(ε-caprolactone) + Carbon Dioxide+ Dichloromethane or Chloroform        

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  • Bubble and Cloud Points of the Systems Poly(ε-caprolactone) + Carbon Dioxide+ Dichloromethane or Chloroform
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  • Experimental data for the phase behavior of poly(ε-caprolactone) (PCL) in mixtures of carbon dioxide withdichloromethane or chloroform over a range of external conditions are presented. Cloud point pressures weremeasured using a variable-volume view cell as functions of temperature, carbon dioxide-to-organic solvent ratio,and concentration of PCL. A high-molecular weight (Mw = 124 200) PCL was used in all studies and at massfractions of 0.01, 0.02, and 0.03. For the adequate control of the carbon dioxide-to-organic solvent ratio, a newexperimental procedure was employed that allows for a good control of the composition.
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