Printing ink, useful to prepare e.g. documents, graphics, images and photographs, comprises a zeolite of Linde type L framework, a non-ionic solvent e.g. water or alcohol, and an ionic solvent

摘要

Printing ink comprises at least a zeolite of Linde type L framework; at least a non-ionic solvent; and at least an ionic solvent. An independent claim is included for the preparation of the printing ink, comprising producing a solvent mixture from the non-ionic solvent and ionic solvent, and suspending the zeolite in the solvent mixture preferably under the use of ultrasound.