Novel lacmoid-based deep eutectic solvent dye as writing ink

[Display omitted] •Lacmoid was paired with choline chloride to form a new DES dye.•The physical characteristics of the DES were determined at 25 °C temperature.•The DES dye has a green potential for pigments and organic compounds replacement.•DES dye was applicable as a writing ink using a ball-pen....

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Bibliographic Details
Published in:Chemical engineering research & design 2022-04, Vol.180, p.50-54
Main Authors: Omar, Karzan A., Sadeghi, Rahmat
Format: Article
Language:English
Subjects:
Adsorption
Chemical properties
Choline
Choline chloride
Deep eutectic solvent
DES dye ink
Dyes
Eutectics
Hydrogen bonds
Lacmoid
NMR
Nuclear magnetic resonance
Organic chemicals
Organic compounds
Pigments
Solvents
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Summary:[Display omitted] •Lacmoid was paired with choline chloride to form a new DES dye.•The physical characteristics of the DES were determined at 25 °C temperature.•The DES dye has a green potential for pigments and organic compounds replacement.•DES dye was applicable as a writing ink using a ball-pen. A novel lacmoid-based deep eutectic solvent was prepared by mixing of choline chloride as hydrogen bond acceptor and lacmoid as hydrogen bond donor. The mixture of both components was heated until a stable purplish blue homogenous liquid DES dye was formed at 25 °C temperature. The physical and chemical properties of the DES dye ink were studied at 25 °C temperature and characterized by FT-IR, TLC, TGA, 1H-NMR and DSC techniques. The DES dye ink was applied as writing ink and it revealed interesting characteristics for writing without feathering, fading, and penetrating the reverse side of paper and drying by adsorption within few seconds. Moreover, The DES dye ink showed high stability in water for 72 h due to the absorption of DES dye ink by cellulose paper. The green DES dye ink exhibited an effective ability to replacement of pigments and organic compounds used in making writing ink.
ISSN:0263-8762
1744-3563
DOI:10.1016/j.cherd.2022.01.046