Preparation and Characterization of Alkaline Anion Exchange Membrane for Fuel Cells Application

Table 1

Influence of the reaction conditions on the degree of substitute (DS) of the product.

Samples	Molar ratio	Temperature (°C)	Time (h)	DS	IEC (mmol/g)
1	1	25	4	0.3145	0.25
2	1.2	45	4	0.4890	0.34
3	1.3	60	4	0.4414	0.40
4	1.4	25	8	0.9305	0.89
5	1.6	60	8	0.6519	0.65
6	1.8	25	16	0.7468	0.72
7	1.2	60	16	1.438	0.99
8	1.4	25	16	1.156	0.91

Molar ratio: the molar ratio of NaOH to CHPTAC.