IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Carbon dioxide with PAEK-6H6F and PAEK-6F6H
Components:
   (1) Poly(aryl-isopropylidene-hexafluoro-isopropylidene ether ketone) (PAEK-6H6F) and Poly(aryl-hexafluoroisopropylidene-isopropylidene ether ketone) (PAEK-6F6H); ; [122165-96-2, 122165-95-1]  NIST Chemistry WebBook for detail
   (2) Carbon dioxide; CO2; [124-38-9]  NIST Chemistry WebBook for detail
Original Measurements:
   J.M. Mohr and D.R. Paul, Polymer 32, 2387 (1991).

 Variables:
   Temperature = 308 K
   Pressure = 308 K

 Prepared By:
   V.I. Bondar

 Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
   
Dual mode sorption parameters for carbon dioxide in polymers at 308 K
Chemical NameHenry's law constant, K [cm3(STP)/cm3 atm]Langmuir's parameter, CH [cm3(STP) cm-3]Affinity Coefficient b [atm-1]
6H6F0.84010.900.373
6F6H0.75612.700.331
 View Figure 1 for this Evaluation

Method/Apparatus/Procedure:
   A pressure decay method was used as described in Ref. 1.

 Source and Purity of Materials:
   PAEK-6H6F, PAEK-6F6H: synthesized by the procedure described in Ref. 2. 6H6F: density 1.287 g/cm3, Tg = 452 K. 6F6H: density 1.284 g/cm3, Tg = 454 K.

 Estimated Errors:

   Temperature: No information given.

 References:
   1W. J. Koros and D. R. Paul, 2. Polym. Sci., Polyrn. Phys. Ed. 14,1903 (1976)
   2G L. Tullos, P. E. Cassidy, and A. K. St. Cisir, Proc. ACS, Div.Polym. Materials 60, 310 (1989).