PROCESS OF MARKING A TEXTILE SUBSTRATE

The invention relates to the marking of textile products that have been dyed using a supercritical dyeing process. More particularly, the invention provides a process of marking a textile substrate with a tracer, said process comprising contacting the textile substrate with a supercritical or near-c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ION IONELA GEORGIANA, TRAMBITAS DANIELA OANA, VAN DER KRAAN MARTIJN VAN DER, WOERLEE GEERT FEYE
Format:	Patent
Sprache:	eng
Schlagworte:	DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM DYEING OR PRINTING TEXTILES FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES LAUNDERING MEASURING PHYSICS TESTING TEXTILES TREATMENT OF TEXTILES OR THE LIKE
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Beschreibung
Zusammenfassung:	The invention relates to the marking of textile products that have been dyed using a supercritical dyeing process. More particularly, the invention provides a process of marking a textile substrate with a tracer, said process comprising contacting the textile substrate with a supercritical or near-critical dyeing medium containing a dye and a tracer, said tracer being selected from a metal chelate and a chemiluminescent agent. The process of the present invention uses the supercritical or near-critical dyeing medium as a vehicle for depositing a tracer onto the textile substrate that is also dyed using this medium. The presence of the deposited tracer on the dyed textile can be detected using a simple and reliable authentication method. The invention also concerns a marked textile product obtained by the aforementioned process. Also provided are a dyeing composition that can be used in the aforementioned process as well as methods for authenticating textile products that have been marked using his process.