SDS Volume (3951)
Volume 70. Solubility of Gases in Glassy Polymers, p None
Original Measurements
Fleming, G. K.; Koros, W. J.; J. Polym. Sci. B: Polym. Phys. 28, 1137 (1990).
Variables:
Room Temp:
308
$\pu{K}$
Pressure:
0.3 - 3.3
$\pu{MPa}$
Prepared by:
Method/Apparatus/Procedure:
Pressure decay sorption cell and procedure were described in [1].
Source and Purity of Materials:
- HFPC: Dow Chemical Co., $\rho = \pu{1.478 g mL-1}$, $T_{\rm{g}}$ = 445 K, $d$ spacing 5.8 Å (WAXD method). The polymer was conditioned before measurement of sorption isotherms by exposing to $\ce{CO2}$ at 33 atm.
Estimated Errors:
Ambient temperature: No information given.
References
1 Fleming, G. K.; Koros, W. J.; Macromolecules 19, 2285 (1986).
Components:
- Carbon dioxide, $\ce{ CO2 }$; [124-38-9] NIST WebBook
- Hexafluorpolycarbonate (HFPC), [32291-26-2] NIST WebBook
Experimental Data
Table 3. Dual mode sorption parameters for carbon dioxide in HFPC at 308 K
| $k_{\rm{D}}$ ($\pu{cm3(g) cm-3(s) atm-1}$) | $C_{\rm{H}}^{\prime}$ ($\pu{cm3/cm3}$) | $b$ ($\pu{atm-1}$) |
|---|---|---|
| 1.09 | 28.05 | 0.255 |
| 1.33 | 25.48 | 0.275 |
