| abstract |
Recording liquids contain polyurethane with hyper-branched structures, selected from optionally modified hyper-branched polyurethanes (A). Independent claims are also included for the following: (1) dispersing binders (B) obtained by mixing (A) with melamine derivative(s) (C); (2) production of (B); (3) production of recording liquids by mixing (A) with water, finely-divided (in)organic colorant(s) (D), optionally (C) and optionally additives; (4) color formulations containing (B), water and (D); (5) production of the color formulations by mixing (B), water and (D); (6) production of recording liquids by mixing (B) with water and (D) and optionally additives or diluting the color formulation with water; and (7) flat and 3-dimensional substrates printed with the recording liquid by ink-jet printing. |