Aqueous ink-jet inks containing amphoteric polyurethane as binder
The present disclosure provides aqueous ink-jet inks having improved stability containing an aqueous vehicle, a colorant, and an amphoteric polyurethane as a binder. The amphoteric polyurethane contains a plurality of tertiary amine groups derived from an amine-containing monomer, and a plurality of anionic acid groups.
E I DU PONT DE NEMOURS AND COMPANY
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inventional inventional inventional
Xiaoqing
Li