A compound of Formula (1) or a salt thereof: A-N=N-M1-N=N-M2-N=N-E wherein A is an optionally substituted carbocyclic or optionally substituted heterocyclic aromatic group; M1is either: (i) an optionally substituted naphthylene group, or (ii) an optionally substituted phenylene group having at least one electron donating group in a position ortho to one of the azo groups; M2 is an optionally substituted heterocyclic aromatic group; and E is an optionally substituted heterocyclic aromatic group. Also compositions, inks, ink-jet printing processes and ink-jet cartridges.
一种化合物的
化学式(1)或其盐:A-N=N-M1-N=N-M2-N=N-E其中A是可选择地取代的碳环或可选择地取代的杂环芳基;M1是:(i)可选择地取代的
萘基,或(ii)在至少一个氮偶联基的邻位具有至少一个电子给体基团的可选择地取代的苯基;M2是可选择地取代的杂环芳基;E是可选择地取代的杂环芳基。还包括组合物、油墨、喷墨打印工艺和喷墨墨盒。