Cellulose Acetate Sulfate as a Lyotropic Liquid Crystalline Polyelectrolyte: Synthesis, Properties, and Application

Table 7

Hydrodynamic characteristics of CAS salts aqueous solutions and parameters of polymer chain rigidity.

Counterion	[𝜂], 100 cm^3/g	𝑘𝐻	𝑐cr, g/100 cm^3	[𝜂]⋅𝑘𝐻⋅𝑐cr	𝐴, Å	𝑥	𝜑2calc	LC*
Li^+	0.72	0.25	1.77	0.32	200	26.7	0.28	+
Na^+	0.44	0.66	1.70	0.49	220	28.5	0.26	+
K^+	0.66	0.55	3.84	1.39	120	15.8	0.44	-
Ca^2+	0.47	0.32	1.84	0.28	240	29.5	0,25	+
Mg^2+	0.42	0.40	1.85	0.31	220	27.7	0.26	+
Zn^2+	0.44	0.52	2.16	0.49	230	27.3	0.27	+
Co^2+	0.42	0.62	2.30	0.60	220	24.8	0.30	+

*Note
“+”—LC phase was formed.
“–”—LC phase was not formed.