Components:
(1) Carbon dioxide,
CO2; [124-38-9]
NIST WebBook
(1) Propane,
C3H8; [74-98-6]
NIST WebBook
(2) Poly(trimethylsilyl propyne),
None; [87842-32-8]
NIST WebBook
Original Measurements
Nakagawa, T.; Nahano, H.; Higuchi, A.; Membrane Symposium N1 "Control in Membrane Tranpsort," Kyoto, pp. 36-39 (1989).
Nakagawa, T.; Sekiguchi, M.; Nagai, K.; Higuchi, A.; Int. Congress on Membranes (ICOM-90) Chicago, p. 824-26 (1990).
Variables:
Ambient temperature: 303 and 308 K
Pressure: 0 - 0.1 MPa (for C3H8) and 0 - 4.0 MPa (for CO2)
Prepared by:
Method/Apparatus/Procedure:
Sorption measurements were done by means of Cahn electrobalance, model 2000.
Source and Purity of Materials:
- PTMSP was synthesized according to Masuda et al.1. It did not reveal any glass transition up to 620 K.
References
1 Takada, K.; Mituta H.; Masuda T.; Higashimura,T. J. Appl. Polym. Sci. 1983, 30, 1605.
Experimental Values:
Dual-mode sorption parameters
| T (K) | H (cm3(g) cm-3(s) atm-1) | C'H (cm3/cm3) | b (atm-1) |
|---|---|---|---|
| 303.0 | 5.34 x 10-1 | 151.2 | 4.03 x 10-2 |
| 308.0 | 1.497 | 112.9 | 5.8 x 10-2 |
| 303.0 | 6.93 | 50.14 | 2.15 |


