Patent ID: 7838570

Claim:
An ink comprising an ink vehicle, wherein the ink vehicle comprises at least one curable component, and at least two photoinitiator systems, wherein the at least one curable component comprises a first component curable by a first polymerization route and a second component curable by a second polymerization route, wherein the second polymerization route is different from the first polymerization route and the at least two photoinitiator systems include a first photoinitiator system for the first component and a second photoinitiator system for the second component, wherein the first component is at least one cationically curable material or at least one radically curable material, wherein when the first component is at least one cationically curable material and the first photoinitiator system responds to wavelengths of from 390 nm to about 500 nm or higher, the second component is at least one radically curable material and the second photoinitiator system responds to wavelengths of from about 280 nm to less than 390 nm, and wherein when the first component is at least one radically curable material and the first photoinitiator system responds to wavelengths of from about 350 nm to about 500 nm or higher, the second component is at least one cationically curable material and the second photoinitiator system responds to wavelengths of from about 200 nm to about 320 nm or less.