Table 3. Permeance and permeability coefficients of composite membranes.

Sample	Gas
	Permeance, L m−2 h−1 bar−1 (permeability coefficients, Barrer)
	O2	N2	CO2	CH4	C4H10
C-40-F	230 ± 11 (551 ± 27)	91 ± 4 (218 ± 11)	980 ± 49 (2346)	120 ± 6 (287 ± 4)	7460 ± 473 (17860 ± 400)
C-25	77 ± 37 (67 ± 3)	9 ± 4 (8 ± 4)	420 ± 18 (368 ± 18)	8 ± 2 (7 ± 3)	11400 ± 547 (9985 ± 479)
C-40	147 ± 7 (177 ± 9)	30 ± 2 (36 ± 2)	380 ± 19 (457 ± 23)	24 ± 1 (29 ± 1)	13500 ± 800 (16259 ± 830)
C-40-1	113 ± 5.7 (124 ± 6.2)	23 ± 2 (25 ± 1)	292 ± 15 (320 ± 16)	18 ± 0.9 (20 ± 1)	10000 ± 800 (10900 ± 547)
C-60	120 ± 6 (188 ± 9)	36 ± 2 (56 ± 3)	—	18 ± 2 (28 ± 2)	3970 ± 198 (6230 ± 311)
C-100	63 ± 3 (46 ± 2)	19 ± 1 (14 ± 2)	341 ± 17 (248 ± 12)	10 ± 1 (7 ± 1)	2760 ± 140 (2014 ± 102)
C-120	54 ± 3 (49 ± 2)	18 ± 1 (16 ± 3)	—	15 ± 1 (14 ± 1)	2820 ± 141 (2563 ± 128)