| 摘要 |
<p>An inkjet receptor medium, comprising: a porous membrane; and a multi-stage migration inhibitor for pigmented inks, comprising a polymer having quaternary amine functional groups, wherein the polymer is quite soluble in water is described. Preferably the polymer has a formula: P(X/Y/Z) where X is a pyrrolidone-containing polymerized monomer; Y is an acid-containing polymerized monomer; and Z is a quaternary amine-containing polymerized monomer.</p> |
