Effect of Grafted Hydroquinone on the Acid-Base Properties of Poly(acrylic acid) in the Presence of Copper (II)

Table 1

Values of and for PAA/Cu(II) and HQ-PAA/Cu(II).

Polymer	Molecular weight (g/mol)	(equiv/L)	NaNO3 (mol/L)	()
PAA	2.54	13.8	0.00	5.49	1.77
			0.01	5.41 [5.50]^*	1.75 [2.05]^*
HQ-PAA	2.38	8	0.00	5.53	1.80
			0.01	5.48	1.79

Reference [21] (ionic strength of 0.1 mol/L and molecular weight of = 3 × 10⁶ g/mol).