Self-Assembly Investigations of Sulfonated Poly(methyl methacrylate-block-styrene) Diblock Copolymer Thin Films

Table 2

Sulfur content, ion-exchange capacities (IEC) and degree of sulfonation (DS) of PMMA-b-sPS BCs.

Polymer	Sulfur	IEC	DS
	% (w/w)	(mmol g^−1)	(%)
Macroinitiators	0.23-0.26	0
M1_76/s24	1.0	0.31	17	0.756
M1_55/s45	6.3	1.9	64	0.475
M2_56/s44	8.6	2.6	87	0.461
M3_52/s48	8.9	2.7	90	0.420
M3_60/s40	4.8	1.5	53	0.636
M3_69/s31	4.9	1.3	67	0.520