| abstract |
The present invention discloses a polyurethane dispersant comprising a polyisocyanate and a) a component which supplies an anchoring quinone imine group, wherein the carbonyl bond of the quinone imine is bonded to a fused or non-fused aromatic The ring, b) at least one solvent-solubilizing chain, and other reaction products of selected components, establish molecular weight or adjust the interaction of the dispersant with various particulate or continuous media. |