Superabsorbent Polymer Based on Sodium Carboxymethyl Cellulose Grafted Polyacrylic Acid by Inverse Suspension Polymerization

Figure 6

Effect of acrylic acid concentration on swelling capacity (reaction condition: 2.0 g/100 mL NaCMC, 0.01 mol/L MBA, 70% neutralized AA, and 0.014 mol/L KPS at 70°C for 90 min).