SDS Volume (3932)
Volume 70. Solubility of Gases in Glassy Polymers, p None
Original Measurements
Variables:
Room Temp:
293 - 313
$\pu{K}$
Pressure:
0.2 - 3.0
$\pu{MPa}$
Prepared by:
Method/Apparatus/Procedure:
Equilibrium sorption was measured by the pressure decay method in the cell similar to one described in [1]. The pressure changes in the cell were continuously measured by a pressure transducer.
Source and Purity of Materials:
- PC films were provided by Teijin Co.
References
1 Koros, W. J.; Paul, D. R.; Rocha, A. A.; J. Polym. Sci., Polym. Phys. Ed., 1976, 14, 687.
Components:
- Carbon dioxide, $\ce{ CO2 }$; [124-38-9] NIST WebBook
- Methane, $\ce{ CH4 }$; [74-82-8] NIST WebBook
- Polycarbonate (PC), $\ce{ (C16H18O5)n }$; [25037-45-0] NIST WebBook
Experimental Data
Dual-mode sorption parameters
| $T$ ($\pu{K}$) | $k_{\rm{D}}$ ($\pu{cm3(g) cm-3(s) atm-1}$) | $C_{\rm{H}}^{\prime}$ ($\pu{cm3/cm3}$) | $b$ ($\pu{atm-1}$) |
|---|---|---|---|
| 293 | 0.911 | 23.1 | 0.264 |
| 303 | 0.804 | 19.9 | 0.197 |
| 313 | 0.702 | 16.0 | 0.124 |
| 293 | 0.335 | 6.40 | 0.157 |
| 303 | 0.308 | 5.62 | 0.120 |
| 313 | 0.280 | 4.72 | 0.0872 |
