SDS Volume
Volume 70. Solubility of Gases in Glassy Polymers, p None
Source Publication
Coleman, M. R.; Koros, W. J.; J. Membr. Sci. 50, 285-297 (1990).
Conditions:
Room Temp:
308
$\pu{K}$
Pressure:
1.013
$\pu{MPa}$
Compiler:
Methodology:
Sorption measurements were made with a pressure decay cell described in [1].
Sample Information:
- Polyimides from Hoechst-Celanese Co had the following characteristics:
The gases had purity > 99.97%.Polymer $T_{\rm{g}}$ K $\rho($\pu{g mL-1}$) 6FDA-ODA 577 1.432 6FDA-MDA 577 1.400 6FDA-IPDA 583 1.352 6FDA-6FpDA 593 1.466 6FDA-6FmDA 527 1.493
System Components:
- Nitrogen (Molecule), $\ce{ N2 }$; [7727-37-9] NIST WebBook
- Oxygen, $\ce{ O2 }$; [7782-44-7] NIST WebBook
- Carbon dioxide, $\ce{ CO2 }$; [124-38-9] NIST WebBook
- Methane, $\ce{ CH4 }$; [74-82-8] NIST WebBook
- Polyimides derived from hexafluoroisopropylidene dianhydrides and diamines,
Experimental Data
| $S$ ($\pu{cm3(g) cm-3(s) atm-1}$) | Sample () |
|---|---|
| 1.03 | 6FDA-ODA |
| 0.82 | 6FDA-MDA |
| 0.90 | 6FDA-IPDA |
| 0.99 | 6FDA-6FpDA |
| 0.61 | 6FDA-6FmDA |
| 0.54 | 6FDA-ODA |
| 0.46 | 6FDA-MDA |
| 0.50 | 6FDA-IPDA |
| 0.67 | 6FDA-6FpDA |
| 0.35 | 6FDA-6FmDA |
| 4.89 | 6FDA-ODA |
| 3.96 | 6FDA-MDA |
| 4.24 | 6FDA-IPDA |
| 4.72 | 6FDA-6FpDA |
| 2.89 | 6FDA-6FmDA |
| 1.32 | 6FDA-ODA |
| 1.18 | 6FDA-MDA |
| 1.20 | 6FDA-IPDA |
| 1.44 | 6FDA-6FpDA |
| 0.81 | 6FDA-6FmDA |
