Sulfonic Containing Polymer Bead Synthesized through Inverse Suspension Polymerization and Its Characteristics for Esterification Catalyst

Table 2

Effect of crosslink agent content on sulfur content and ion exchange capacity of polymer beads.

	Crosslink agent; (wt% of SSS)	S (wt%)		Ion exchange capacity; (mmol/g)
		measured	normalized	measured	calculated
C10	9.09	10.38	11.42	3.25	0.31
C15	13.04	9.54	10.97	2.70	0.28
C20	16.67	8.92	10.70	2.40	0.27
C25	20.00	8.28	10.35	2.25	0.27
C30	23.08	7.03	9.14	1.87	0.27

8 wt% ST66b; no porogen.