PROCESS FOR PREVENTING THE STAINING OF POLYAMIDE FIBRE MATERIAL TREATED WITH FLUORESCENT WHITENERS

Polyamide fibre material treated with fluorescent whiteners (also known as optical brighteners) is prevented from being stained by applying to the fibre material either simultaneously with the fluorescent whitener or in the form of an aftertreatment of the whitened fibre material, an emulsion contai...

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Bibliographische Detailangaben
Hauptverfasser:	BERENDT H,CH, HARRIS M,CH, MUELLER V,CH
Format:	Patent
Sprache:	eng
Schlagworte:	BLEACHING LEATHER OR FURS DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS,YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS 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:	Polyamide fibre material treated with fluorescent whiteners (also known as optical brighteners) is prevented from being stained by applying to the fibre material either simultaneously with the fluorescent whitener or in the form of an aftertreatment of the whitened fibre material, an emulsion containing a water-soluble fixing agent with affinity to fibres, an organic solvent or solvent mixture and at most 10 % of water, relative to the preparation, and optionally an organo-soluble dispersing agent. The process is carried out at 20 DEG to 120 DEG C according to the exhaustion method. The finish renders the fibrous material resistant to staining and soiling.