EAS Publisher | Preparation of Ink-Jet Inks with Quinizarin as “Antifraud Marker” for Textile Digital Printing

Preparation of Ink-Jet Inks with Quinizarin as “Antifraud Marker” for Textile Digital Printing

DOI : https://doi.org/10.36349/easjecs.2020.v03i09.002

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Abstract: Quinizarin, an anthraquinone derivative, was used as “antifraud marker”. It was added in three several amounts (0.25%, 0.5% and 1.0%) in water-based disperse ink-jet inks. Surface tension, viscosity, conductivity and pH of the ink formulations were monitored over a period of 90 days in order to estimate the ink stability and the compatibility of the “antifraud” active agents with the ink constituents. The inks were used for ink-jet printing to polyester and polyamide samples. Fastness (light, wash and rub) and also color properties of the samples were measured. Finally, qualitative and quantitative determination of the active agent was made from the printed samples with extraction.

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