摘要 |
Phase change inks comprising colorant, a phase change ink carrier, and an antioxidant or UV stabilizer of the formula wherein R1, R2, R3, R4, R5, R6, R7, R8, and R9 each, independently of the others, is hydrogen, hydroxy, amino, alkyl, aryl, arylalkyl, alkylaryl, alkoxy, aryloxy, arylalkyloxy, alkylaryloxy, halogen, cyano, aldehyde, ketone, ester, amide, sulfide, sulfoxide, nitrile, sulfone, acyl, or carboxylic acid, provided that at least one of R1, R2, R3, R4, R5, R6, R7, R8, and R9 is alkyl having at least about 8 carbon atoms, alkoxy having at least about 8 carbon atoms, aryl having at least about 6 carbon atoms, aryloxy having at least about 6 carbon atoms, arylalkyl having at least about 7 carbon atoms, arylalkyloxy having at least about 7 carbon atoms, alkylaryl having at least about 7 carbon atoms, or alkylaryloxy having at least about 7 carbon atoms.
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