Compilation - Nitrogen with Oxygen, Carbon dioxide, Methane, Poly(trimethylsilyl propyne) (PTMSP) (IUPAC SDS Volume 70)
SDS Volume (4118)
Volume 70. Solubility of Gases in Glassy Polymers, p None
Original Measurements
Ichiraku, Y.; Stern, S. A.; Nakagawa, T.; J. Membr. Sci. 34, 5 (1987).
Variables:
Room Temp:
308 and 328
$\pu{K}$
Pressure:
0 - 2.7
$\pu{MPa}$
Prepared by:
Method/Apparatus/Procedure:
The solubility was measured by a volumetric method. The apparatus and the procedure are described in detail in [1].
Source and Purity of Materials:
- Gases: purity >99.5%.
PTMSP: Sanyo Chemical Industries, $\rho = \pu{0.938 g mL-1}$, $M_{\rm{w}}$ = 700 000, no glass transition observed below 473 K.
Estimated Errors:
Mass concentration (m/v) (1): Relative precision of solubilities: from ±6.6%(C02) to ±54%(N2).
References
1 Shah, V. M.; Hardy, B. J.; Stern, S. A.; J. Polym. Sci., Part B: Polym. Phys. 24, 2033 (1986).
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
- Poly(trimethylsilyl propyne) (PTMSP), $\ce{ (C7H16Si)n }$; [87842-32-8] NIST WebBook
Experimental Data
Dual mode sorption parameters for various gases in PTMSP at 308 K
| $k_{\rm{D}}$ ($\pu{cm3(g) cm-3(s) atm-1}$) | $C_{\rm{H}}^{\prime}$ ($\pu{cm3/cm3}$) | $b$ ($\pu{atm-1}$) |
|---|---|---|
| 1.497 | 112.9 | 0.058 |
| 0.978 | 71.9 | 0.059 |
| 0.667 | 87.8 | 0.035 |
| 0.431 | 15.4 | 0.042 |
| 0.656 | 16.8 | 0.036 |
(*) At 328 K.
(1) Data for the solubilities were shown graphically as a function of pressure. Values for the lower pressure region for which the relation was linear, were read from enlarged graphs by the compiler. Additional data were shown to at least $\pu{10.1 MPa}$.
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