Polymeric Gas-Separation Membranes for Petroleum Refining

Table 8

Oxygen and nitrogen permeabilities of different polymeric materials.

Material	(Barrer)	(Barrer)		T (°C)	P (bar)	Ref.
Polyetherimide	0.4	0.05	8.2	35	—	[91]
Polysulfone (PSF)	1.5	0.26	5.8	—	2	[126]
Polycarbonate	1.5	0.26	5.8	35	—	[91]
Cellulose acetate	1.6	0.33	4.8	25	—	[1]
Polystyrene	1.7	0.8	2.1	30	2	[111]
Polyimide (Matrimid 5218)	2.1	0.32	6.6	35	2	[82]
Polyvinyl acetate (PVA)	2.3	1.3	1.8	30	2	[111]
Polyamide	3.1	0.46	6.7	30	3	[127]
Polyimide (6FDA-based)	10.1	2	5	30	3	[90]
Polyphenylene oxide (PPO)	16.8	3.8	4.4	—	—	[1]
Natural rubber	17.7	6.12	3	25	—	[133]
Poly(4-methyl-1-pentene) (TPX)	30	7.1	4.2	—	—	[1]
Dimethyl silicone rubber	60	28	2.1	25	1	[61]
Polydimethylsiloxane (PDMS)	1000	600	1.7	35	1–15	[92]
Poly(1-trimethylsilyl-1-propyne) (PTMSP)	7600	5400	1.4	—	—	[1]