The present invention relates to the field of digital printing, for example using a thermal printer and sublimation inks to form an image. In one aspect of the invention there is provided a method of digital printing of ink comprising dyes or pigments as colorants, comprising printing an image onto a substrate to form a printed image on the substrate, and subsequently activating the ink to permanently fix the printed image on the substrate, wherein the activating comprises bonding and/or cross-linking of the ink image on the substrate by the reaction between: a reactant comprising a compound with a functional group capable of reacting with active hydrogen, and a co-reactant comprising a compound with a functional group containing active hydrogen. Another aspect of the invention relates to transfer printing, in which an image is printed onto an intermediate substrate to form a printed image on the intermediate substrate, and subsequently transferred a final substrate by activating the ink to permanently fix the printed image on the final substrate.
本发明涉及数字印刷领域,例如使用热敏打印机和升华油墨形成图像。在本发明的一个方面中,提供了一种包含
染料或
颜料作为
着色剂的油墨的数字印刷方法,包括将图像印刷到承印物上以在承印物上形成印刷图像,随后活化油墨以将印刷图像永久固定在承印物上,其中活化包括通过以下反应将承印物上的油墨图像粘合和/或交联:反应物,包括具有能与活性氢反应的官能团的化合物;共反应物,包括具有含活性氢的官能团的化合物。本发明的另一个方面涉及转移印刷,即在中间承印物上印刷图像,以在中间承印物上形成印刷图像,然后通过活化油墨将印刷图像永久固定在最终承印物上,从而转移到最终承印物上。