Phase change ink compositions comprising crystalline diurethanes and derivatives thereof

摘要

A phase change ink composition comprising an amorphous component, a crystalline material, and optionally, a colorant, which are suitable for ink jet printing, including printing on coated paper substrates and are suitable for fast printing processes. In particular, the crystalline component comprises a diurethane compound or derivatives thereof.

主权项

1. A phase change ink comprising:
an amorphous component; and a crystalline component being a diurethane having a formula ofwherein each of R and R′ is independently selected from benzyl, 2-phenylethyl, 2-phenoxyethyl, C6H5(CH2)4—, cyclohexyl, 2-methylcyclohexyl, 3-phenylpropanyl, 3-methylcyclohexyl, 4-methylcyclohexyl, cyclohexylmethyl, 2-methylcyclohexylmethyl, 3-methylcyclohexylmethyl, 4-methylcyclohexylmethyl, and 4-ethylcyclohexanyl; and n is 4 to 8.