Patent ID: 6833395
Filing Date: 2004-12-21
Classification: C09D

Abstract:
A paste intaglio printing ink comprising:(1) an alkyd resin having a degree of neutralization within the range of about 10% to about 35%, an acid number in the range of about 30 to about 110, and being in the amount of about 15 to about 50 weight percentage; (2) an anionic or nonionic surfactant in the amount of 0.5-12 weight percentage, wherein the molecular structure of said surfactant comprises bulky hydrophobic moieties; and (3) an organic base, in the amount of 0.5-5 weight percentage, selected from the group consisting of multi-functional alcohol-amines, ring-containing nitrogen compounds and substituted polyethyleneimines, wherein said substituted polyethyleneimines are modified with epichlorohydrine or alkoxylated, and said base has a boiling point higher than 150Â° C.