| abstract |
Shaped bodies and foils, which consist entirely of gelatin or at least whose outer layer consists of at least 5% gelatin or chemically modified gelatin, in particular hard and soft gelatin capsules and leaf gelatin, are printed using the inkjet process, the dried inkjet inks apart from dyes and / or pigments and optionally non-volatile fractions of solubilizers and / or dispersants contain an aluminum and / or calcium compound. In the process for printing on the shaped bodies, an ink is preferably used which is alkaline and additionally contains an aluminum compound. |