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. 2022 Oct 19;12(10):1016. doi: 10.3390/membranes12101016

Table A12.

Solubility coefficient of heterogeneous membranes containing POSS-Ph to different gases measured for different feed pressure and temperature values.

Membrane Type Feed Pressure [bar] Solubility Si [103 mol/(m3·Pa)]
N2 CH4 CO2
Process Temperature [ °C] Process Temperature [ °C] Process Temperature [ °C]
25 4[°C] 55 25 4[°C] 55 25 4[°C] 55
PEBAX 2533
+0.75 wt% POSS-Ph
2 0.109 0.100 0.092 0.249 0.214 0.152 0.451 0.442 0.300
±0.007 ±0.006 ±0.006 ±0.013 ±0.009 ±0.009 ±0.027 ±0.026 ±0.018
4 0.113 0.144 0.101 0.241 0.264 0.175 0.488 0.465 0.361
±0.007 ±0.009 ±0.006 ±0.008 ±0.007 ±0.005 ±0.029 ±0.028 ±0.022
8 0.133 0.123 0.100 0.262 0.277 0.180 0.562 0.492 0.410
±0.008 ±0.008 ±0.006 ±0.008 ±0.009 ±0.006 ±0.034 ±0.03 ±0.025
PEBAX 2533
+2 wt% POSS-Ph
2 0.131 0.129 0.118 0.224 0.219 0.179 0.565 0.532 0.433
±0.008 ±0.008 ±0.007 ±0.007 ±0.007 ±0.006 ±0.034 ±0.032 ±0.026
4 0.132 0.148 0.118 0.232 0.270 0.188 0.634 0.546 0.459
±0.008 ±0.009 ±0.007 ±0.007 ±0.008 ±0.006 ±0.038 ±0.033 ±0.028
8 0.135 0.135 0.121 0.278 0.267 0.199 0.753 0.591 0.497
±0.008 ±0.008 ±0.008 ±0.009 ±0.008 ±0.006 ±0.045 ±0.035 ±0.03