Components:
(1) Carbon dioxide,
CO2; [124-38-9]
NIST WebBook
(1) Methane,
CH4; [74-82-8]
NIST WebBook
(2) Polyarylate,
C24H33ClFN7O7S2; [25639-68-3]
NIST WebBook
Original Measurements
Variables:
Ambient temperature: 308 K
Pressure: 0.1 - 2.3 MPa
Prepared by:
Method/Apparatus/Procedure:
Sorption apparatus and procedure were the same as in Ref. 1.
Source and Purity of Materials:
- PA: Union Carbide Co., density 1.204 g/cm3, glass transition temperature 463 K.
Estimated Errors:
Ambient temperature: No information given.
References
1 Sanders, E. S.; Koros, W. J.; Hopfenberg, H. B.; Stannett, V. T.; J. Membr. Sci. 1983, 13, 161.
Experimental Values:
Table 1. Dual mode sorption parameters for gases in polyarylate at 308 K
| T (K) | H (cm3(g) cm-3(s) atm-1) | C'H (cm3/cm3) | b (atm-1) |
|---|---|---|---|
| 308.0 | 9.8 x 10-1 | 19.8 | 3.0 x 10-1 |
| 308.0 | 2.7 x 10-1 | 9.0 | 1.2 x 10-1 |
Table 2. Sorption isotherms of carbon dioxide and methane in polyarylate at 308 K (The original data were represented graphically)
| P (MPa) | Sorption (V1/V2) |
|---|---|
| 9 x 10-2 | 4.55 |
| 1.2 x 10-1 | 5.87 |
| 1.3 x 10-1 | 6.75 |
| 1.7 x 10-1 | 7.91 |
| 2.9 x 10-1 | 11.1 |
| 3.2 x 10-1 | 12.26 |
| 3.9 x 10-1 | 13.7 |
| 4.8 x 10-1 | 15.87 |
| 5.8 x 10-1 | 17.44 |
| 6.3 x 10-1 | 18.45 |
| 6.8 x 10-1 | 19.31 |
| 7.8 x 10-1 | 21.18 |
| 9.7 x 10-1 | 23.88 |
| 1.08 | 25.44 |
| 1.14 | 26.3 |
| 1.21 | 26.85 |
| 1.44 | 29.83 |
| 1.63 | 31.79 |
| 1.73 | 32.92 |
| 1.77 | 33.64 |
| 1.92 | 35.04 |
| 2.19 | 37.85 |
| 1.2 x 10-1 | 1.41 |
| 3.3 x 10-1 | 3.15 |
| 5.3 x 10-1 | 4.62 |
| 7.2 x 10-1 | 5.79 |
| 9.6 x 10-1 | 7.21 |
| 1.11 | 8.03 |
| 1.31 | 9.06 |
| 1.59 | 10.21 |
| 1.85 | 11.19 |
| 2.21 | 12.42 |
