IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Carbon dioxide with Poly(p-methoxystyrene)
Components:
   (1) Carbon dioxide; CO2; [124-38-9]  NIST Chemistry WebBook for detail
   (2) Poly(p-methoxystyrene); ; [24936-44-5]  NIST Chemistry WebBook for detail
Original Measurements:
   A.C. Puleo, N. Muruganandam and D.R. Paul, J. Polym. Sci., Part B: Polym. Phys. 27, 2385 (1989).

 Variables:
   Temperature = 308 K
   Pressure = 0.2-2.0 MPa

 Prepared By:
   Yu. P. Yampol'skii

 Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
   
Table 1. Dual mode sorption parameters for carbon dioxide at 308 K
Henry's law constant, K [cm3 (STP) cm-3 atm-1]Langmuir's parameter, CH [cm3(STP) cm-3]Affinity Coefficient b [atm-1]Method/Comments
0.8733.030.5021st cycle
0.53614.080.1232nd cycle
Table 2. Sorption parameters of carbon dioxide at 308 K (The original data were represented graphically)
Pressure [MPa]Sorption [(V*1(STP)/V*2)]
0.274.09
0.547.04
0.879.95
1.2813.61
1.6316.63
1.9619.41
0.213.96
0.669.55
1.0613.53
1.4416.56
1.7919.02
1.9620.54
 Method/Apparatus/Procedure:
   The apparatus and procedure in sorption measurements were the same at those described in Ref. 1.

 Source and Purity of Materials:
   Polymer: prepared according to Ref. 2; glass transition temperature 378 K, M,.980 000, density 1.118 g/cm3.

 Estimated Errors:

   Temperature: No information given.

 References:
   1 W. J, Korea, A. H. Chats, and D. R. Paul, 3. Membr. Sci. 2, 165 (1977).
   2 H. K. Hall and M. A. Howey, Polym. Bull. 12, 427 (1984).