| 摘要 |
PROBLEM TO BE SOLVED: To provide ink compositions suitable for ink-based digital printing systems configured for variable data lithographic printing, which may use energy more efficiently and further achieve excellent printing performance on a variety of substrates at a low ink manufacturing cost.SOLUTION: Ink compositions comprise at least one hyperbranched oligomer present in an amount ranging from about 3% to about 20% and having a functionality ranging from about 6 to about 40; at least one pigment present in an amount of at least about 10%; and at least one photoinitiator present in an amount ranging from 5% to 10%. Preferably, the hyperbranched oligomer is selected from polyester acrylates, and has a functionality of 16.SELECTED DRAWING: None |
