IUPAC-NIST Solubility Database
NIST Standard Reference Database 106


Glass Ball as Bullet Solubility System: Carbon dioxide with Polysulfone (PSF)

Components:
   (1) Carbon dioxide; CO2; [124-38-9]  NIST Chemistry WebBook for detail
   (2) Polysulfone (PSF); ; [25135-51-7]  NIST Chemistry WebBook for detail

Original Measurements:
   E. Sada, H. Kumazawa and P. Xu, J. Polym. Sci., Part B: Polym. Phys. 27, 919-927 (1989).

Variables:
   Temperature = 313 K
   Pressure = 0-1.8 MPa (0-18 atm)

Prepared By:
   A.K. Bokarev

Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
  
Solubility of carbon dioxide C/cm3(STP)/cm3 in PSF membranes at 313 K*
Pressure [atm]Langmuir's parameter, CHRemark(s)
23.0As cast
45.7As cast
67.9As cast
810.2As cast
1012.1As cast
1214.0As cast
1415.9As cast
1617.7As cast
1819.5As cast
2021.2As cast
25.6Commercial
49.5Commercial
612.4Commercial
814.9Commercial
1016.8Commercial
1218.9Commercial
1420.5Commercial
1622.5Commercial
1823.6Commercial
2025.2Commercial
Dual mode sorption parameters for CO2 in PSF films at 313 K
Chemical NameHenry's law constant, K [cm3(STP) cm-3 atm -1]Langmuir's parameter, CH [cm3(STP) cm-3]Affinity Coefficient b [atm-1]
Cast PSF0.8136.610.155
Commerical PSF (Toraysion-PS)0.54718.30.168
Notes:
   *  Smooth values taken from the graph by compiler.

Method/Apparatus/Procedure:
   The apparatus and procedure for measuring sorption isotherms were described in ref. (1).

Source and Purity of Materials:
   The commercial polysulfone samples Torayslon-PS (Toray Co. Ltd.) and P-1700 (Union Carbide) were used. P-1700 had the glass transition temperature 459 K. A dense PSF (P-1700) membrane was prepared by casting a mixed solution of 25.5 % PSF, 55.5 % N,N-dimethylacetamide, and 19.0% acetone by weight. Purity of CO2 not specified.

Estimated Errors:


References:
   1 Sada, E.; Kumazawa, H.; Yoshio, Y. J. Polym. Sci., Polym. Phys. Ed., 1989, 26, 1035.