| abstract |
The present invention concerns a solvent-free photocrosslinkable writing ink advantageously for a pen, comprising, as a percentage by weight relative to the total weight of the ink: a- between 40 and 75% of a photocrosslinkable acrylate and/or methacrylate oligomer , b- between 1 and 55%, optionally, of a photocrosslinkable acrylate and/or methacrylate monomer, c- between 0.5 and 6% of a photoinitiator, d- between 1 and 10% of a dye, advantageously a basic dye, and e- between 0 and 10% of an additive. It further concerns a method for securing a writing medium using said ink, the crosslinked ink obtained by crosslinking said ink and a pen for photocrosslinkable ink comprising said ink. |