Acrylic rheology additive
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The main advantages for the formula: strong shear dilution effect (false plasticity), anti-settling and anti-sagging, outstanding spraying characteristics, good viscosity stability after coloring, easy operation; low viscosity;
Limitations: pH sensitivity, Ca ++ ion sensitivity, limited water resistance and scrub resistance, easy water whitening;
Neutralization of alkaline swellable emulsions results in polymer particle neutralization of alkaline swellable emulsions results in polymer particle expansion and viscosity increase ("hydrodynamic thickening")
Hydrophobic modified alkaline expandable emulsion thickeners are similar to alkaline expandable emulsion thickeners. They are based on a polyelectrolyte backbone, but they have additional branches; hydrophobic groups.
