FIELD: ink.
SUBSTANCE: invention relates to non-aqueous gel ink for writing. A non-aqueous gel writing ink containing an organic solvent, which is a polar solvent selected from the group consisting of alcohol, glycol, ether and mixtures thereof, a colouring agent and non-esterified non-oxidized cellulose nanofibers as a gelling agent is proposed, as well as non-oxidized cellulose nanofibers used as a gelling agent in a non-aqueous gel writing ink and a writing instrument containing the proposed ink.
EFFECT: production of homogeneous ink with uniform and smooth writing without breaking the line and without clogging the end of the pen, as well as with excellent storage stability.
19 cl, 1 dwg, 2 tbl, 2 ex
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| LOW-CORROSION INK AND INK SYSTEM, AND METHODS OF PRODUCING LOW-CORROSION INK | 2006 |
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| NON-FLUORESCENT TYPEWRITER INK BASED ON SOLVENT AND DISPERSIONS OF PIGMENTS IN NON-AQUEOUS SOLVENTS | 2001 |
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| WATER-BASED FLUORESCENT INK, METHOD OF IMAGE PRINTING, AND PRINTED IMAGE | 2003 |
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