Figure 4. Comparative electrolyte tolerance of different polymers with ZnPCA

The viscosity provided by 1% w/w polymer solids IE-acrylate copolymer was compared with other commercially available inverse emulsion polymers and thickeners in the presence of these selected electrolytes in an aqueous dispersion at the given pH. The IE-acrylate copolymer demonstrated superior thickening performance and worked as the sole emulsifier, emulsion stabilizer and thickener at pH ≥ 6.5.