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

Figure 3

Effect of partially neutralized acrylic acid on swelling (reaction condition: 2.0 g/100 mL NaCMC, 0.8 mol/L AA, 0.01 mol/L KPS, and 0.01 mol/L MBA 70°C for 90 min).