| abstract |
(57) [Summary] [Object] To provide a dispersant for an aluminum compound, which has a low viscosity even in a high-concentration slurry with a small amount of addition and has excellent dispersion stability. A dispersant for an aluminum compound comprising maleic anhydride, an aliphatic conjugated diene, and a water-soluble salt of a copolymer of an unsaturated monomer copolymerizable therewith. The content of maleic anhydride unit is preferably 30 to 90 mol%. |