Components:
(1) Carbon dioxide,
CO2; [124-38-9]
NIST WebBook
(2) Polyimide Ultem,
None; [61128-24-3]
NIST WebBook
Original Measurements
Okamoto, K. I.; Tanaka, K.; Yokoshi, O.; Hidetoshi, K.; Nakamura, A.; Int. Congress on Membranes (ICOM-87), 9-15, Tokyo (1987).
Variables:
Ambient temperature: 353 K
Pressure: 0 - 3.0 MPa
Prepared by:
Method/Apparatus/Procedure:
Equilibrium sorption was measured by the pressure decay method using a dual-volume sorption cell.
Source and Purity of Materials:
- Commercial sample of Ultem-1000 (General Electric Co) had a density 1.289 g/cm3, glass transition temperature 488 K, and had an amorphous structure.
Experimental Values:
Dual-mode sorption parameters for carbon dioxide
| H (cm3(g) cm-3(s) atm-1) | C'H (cm3/cm3) | b (atm-1) |
|---|---|---|
| 5.27 x 10-1 | 6.1 | 2.86 x 10-1 |
