Components:
(1) Propane,
C3H8; [74-98-6]
NIST WebBook
(2) Poly(trimethylsilyl propyne),
None; [87842-32-8]
NIST WebBook
Original Measurements
Witchey-Lakshmanan, L. C.; Hopfenberg, H. B.; Chern, R. T.; J. Membr. Sci. 48, 321-332 (1990).
Variables:
Ambient temperature: 308 K
Pressure: 0 - 120 kPa
Prepared by:
Method/Apparatus/Procedure:
The sorption measurements were performed with a McBain quartz spring balance following a procedure described in ref. (1).
Source and Purity of Materials:
- PMSP had Mw = 600,000, a density 0.78 g/cm3. Purity of propane 99.5%.
References
1 Felder, R. M.; Patton, C. J.; Koros, W. J.; J. Polym. Sci. B: Polym. Phys. 19, 1895 (1981).
Experimental Values:
Dual mode sorption parameters for propane at 308 K*
| kD (mol (g)/g (s) atm) | C'H (mol/g) | b (atm-1) |
|---|---|---|
| 3.6 x 10-4 | 2.16 x 10-3 | 4.4 |
(*) The first line gives the values as reported by the authors, the second line recalculated by the compiler.
| kD (cm3(g) cm-3(s) atm-1) | C'H (cm3/cm3) | b (atm-1) |
|---|---|---|
| 6.3 | 37.7 | 4.4 |
