IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Carbon dioxide with Methane and Hexafluorobisphenol A polysulfone (HFPSF)
Components:
   (1) Hexafluorobisphenol A polysulfone (HFPSF); ; [31694-07-2]  NIST Chemistry WebBook for detail
   (2) Carbon dioxide with Methane; CO2, CH4; [124-38-9, 74-82-8]  NIST Chemistry WebBook for detail
Original Measurements:
   J.S. McHattie, W.J. Koros and D.R. Paul, Polymer, 32, 840-850 (1991).

 Variables:
   Temperature = 308 K
   Pressure = 0-2.0 MPa (0-20 atm)

 Prepared By:
   Yu. P. Yampol'skii

 Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
   
Dual mode sorption parameters
Chemical NameHenry's law constant, K [cm3(STP)/cm3 atm]Langmuir's parameter, CH [cm3(STP) cm-3]Affinity Coefficient b [atm-1]
CO20.78521.00.285
CH40.1807.320.146
 Method/Apparatus/Procedure:
   The measurement of sorption was carried out using a pressure decay method.1

 Source and Purity of Materials:
   HFPSF was synthesized according to Ref. 2. It had a density 1.427 g/cc and the glass transition temperature 465 K.

 Estimated Errors:


References:
   1 Koros, W.J.; Paul, D.R. J. Polym. Sci.,Polym. Phys. Ed., 1976, 14, 1903.
   2 Johnson, R.N.; Farnham, A.G.; Glendinning, R.A.; Hale, W.F.; Merriam, C.N. J. Polym. Sci.: Part A-1, 1967, 5, 2375.