Table 1.

Carbonaceous residue (char) obtained at a temperature of 950 °C for various ratios of S-MMT in blend membranes.

Sample	Char (%)
Pebax 2533 only	0.84
Pebax 2533 with 1% S-MMT	1.95
Pebax 2533 with 3% S-MMT	3.82
Pebax 2533 with 5% S-MMT	5.67
Pebax 2533 with 7% S-MMT	5.84
Pebax 4533 only	1.52
Pebax 4533 with 1% S-MMT	1.89
Pebax 4533 with 3% S-MMT	3.40
Pebax 4533 with 5% S-MMT	4.92
Pebax 2533 with 7% S-MMT	6.64