Process for the level dyeing of polyester material

Process for the level dyeing of polyester material

Described is a process for the level dyeing of polyester material by the aqueous exhaust method at temperatures above 100 DEG C., which comprises the use of an aqueous dye liquor which contains at least one migrating disperse dye as well as further ingredients. As migrating disperse dye, preferably...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DUSSY, PAUL, ZURBUCHEN, JACQUES
Format: Patent
Sprache:eng
Schlagworte:
DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM
DYEING OR PRINTING TEXTILES
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
LAUNDERING
TEXTILES
TREATMENT OF TEXTILES OR THE LIKE
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Beschreibung
Zusammenfassung:Described is a process for the level dyeing of polyester material by the aqueous exhaust method at temperatures above 100 DEG C., which comprises the use of an aqueous dye liquor which contains at least one migrating disperse dye as well as further ingredients. As migrating disperse dye, preferably a dye is used which has a diffusion coefficient Do at 130 DEG C. of 2 to 10x10-10 cm2/sec, a distribution coefficient K at 130 DEG C. of 20 to 500 1/kg, and a migration half-life t/2 less then 50 minutes.