Compilation - Propane with Polycarbonate (PC) (IUPAC SDS Volume 70)
SDS Volume (3943)
Volume 70. Solubility of Gases in Glassy Polymers, p None
Original Measurements
Barrie, J. A.; Williams, M. J. L.; Munday, K.; Polym. Eng. Sci. 20, 21 (1980).
Variables:
Room Temp:
303 - 333
$\pu{K}$
Pressure:
0 - 8.0
$\pu{kPa}$
Prepared by:
Method/Apparatus/Procedure:
Sorption isotherms were measured using an electronic vacuum microbalance Sartoriss, model 4102 as described in [1].
Source and Purity of Materials:
- PC films: cast from methylene chloride; $T_{\rm{g}}$ = 420 K.
Estimated Errors:
Ambient temperature: See table.
References
1 Barrie, J. A.; Machin, D.; J. Macromol. Sci. B 3, 645 (1969).
Components:
- Propane, $\ce{ C3H8 }$; [74-98-6] NIST WebBook
- Polycarbonate (PC), $\ce{ (C16H18O5)n }$; [25037-45-0] NIST WebBook
Experimental Data
Dual mode sorption parameters, solubility coefficients S, (S = kD + C'Hb), and errors (%) for propane in polycarbonate
| $T$ ($\pu{K}$) | $S$ ($\pu{cm3(STP) cm-3 cmHg-1}$) | $k_{\rm{D}}$ ($\pu{cm3(STP) cm-3 cmHg-1}$) | $C_{\rm{H}}^{\prime}$ ($\pu{cm3/cm3}$) | $b$ ($\pu{cmHg}$) |
|---|---|---|---|---|
| 303 | 0.579 | 0.0607 | 1.67 | 0.311 |
| 313 | 0.368 | 0.0501 | 1.25 | 0.254 |
| 323 | 0.210 | 0.0401 | 1.02 | 0.167 |
| 333 | 0.140 | 0.0255 | 1.22 | 0.094 |
None
