Abstract
The self-made amphiphilic hyperbranched polyethers (AHPs) dispersant were applied to inorganic pigments dispersion system, and their dispersibility to inorganic pigments was investigated. The results showed that AHPs had a good dispersing effect on inorganic pigments. When the branching degree of hyperbranched polyether was 0.47 and the dosage was 9% of the quality of pigment, the dispersing effect of AHP47 on titanium dioxide was the best with the dispersion force as high as 98%. The dispersion stabilities for other inorganic pigments were also studied, and the dispersion effect was titanium white > iron oxide red > titanium nickel yellow > cobalt blue > copper-chromium black. AHPs had the characteristics of high solubility, low viscosity, good rheological properties and no pollution, which provided a new idea for the development of new efficient inorganic pigment dispersants.
Published Version
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