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

Table A8.

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

Membrane Type	Feed Pressure [bar]	Diffusivity D_i [10⁻⁶ cm²/s]
		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	0.18	0.39	0.45	0.30	0.64	0.98	1.14	1.76	2.66
	2	±0.01	±0.03	±0.03	±0.01	±0.04	±0.07	±0.06	±0.10	±0.15
	4	0.17	0.27	0.41	0.29	0.51	0.84	1.10	1.70	2.24
	4	±0.01	±0.02	±0.03	±0.01	±0.04	±0.06	±0.06	±0.10	±0.13
	8	0.13	0.29	0.41	0.26	0.45	0.77	1.00	1.62	2.00
	8	±0.01	±0.02	±0.03	±0.01	±0.03	±0.05	±0.06	±0.09	±0.11
PEBAX 2533 +2 wt% POSS-Ph	2	0.18	0.31	0.42	0.32	0.62	0.93	0.92	1.48	2.10
	2	±0.01	±0.02	±0.03	±0.01	±0.04	±0.07	±0.05	±0.08	±0.12
	4	0.16	0.25	0.40	0.29	0.49	0.86	0.85	1.45	1.96
	4	±0.01	±0.02	±0.03	±0.01	±0.03	±0.06	±0.05	±0.08	±0.11
	8	0.12	0.27	0.35	0.23	0.47	0.73	0.76	1.38	1.79
	8	±0.01	±0.02	±0.02	±0.01	±0.03	±0.05	±0.04	±0.08	±0.10