PHASE CHANGE INKS CONTAINING COLORANT COMPOUNDS

摘要

A phase change ink composition comprising a phase change ink carrier and a colorant compound of the formula (see formula I) wherein M is either (1) a metal ion having a positive charge of +y wherein y is an integer which is at least 2, said metal ion being capable of forming a compound with at least two (see formula II) chromogen moieties, or (2) a metal-containing moiety capable of forming a compound with at least two (see formula III) chromogen moieties, z is an integer representing the number of (see formula IV) chromogen moieties associated with the metal and is at least 2, and R1, R2, R3, R4, R5, R6, R7, a, b, c, d, Y, Q-, A, and CA are as defined herei n.