Components:
(1) Carbon dioxide,
CO2; [124-38-9]
NIST WebBook
(1) Propane,
C3H8; [74-98-6]
NIST WebBook
(2) Brominated poly(1-trimethylsilyl-1-propyne),
None; [poly-003]
NIST WebBook
Original Measurements
Nakagawa, T.; Sekiguchi, M.; Nagai, K.; Higuchi, A.; Int. Congress on Membranes (ICOM-90) Chicago, p. 824-26 (1990).
Variables:
Ambient temperature: 303 K
Pressure: 0 - 4.0 MPa
Prepared by:
Method/Apparatus/Procedure:
Sorption measurements were made by means of Cahn electrobalance model 2000.
Source and Purity of Materials:
- Poly(trimethylsilylpropyne) was synthesized according to ref.1. Bromination was carried out by dipping samples into bromine water. The polymer revealed a glass transition at 323 K.
References
1 Takada, K.; Mituta H.; Masuda T.; Higashimura,T. J. Appl. Polym. Sci. 1983, 30, 1605.
Experimental Values:
Dual-mode sorption parameters
| P (MPa) | H (cm3(g) cm-3(s) atm-1) | C'H (cm3/cm3) | b (atm-1) |
|---|---|---|---|
| 0 - 4.0 | 1.77 | 48.8 | 7.01 x 10-2 |
| 0 - 0.1 | 9.65 | 19.6 | 5.96 |


