Aqueous finishing agent and process for a soft hand, water and oil repellent treatment for fibrous materials: perfluoro-aliphatic agent, polyethylene and modified hydrogen-alkyl-polysiloxane

Aqueous finishing agent and process for a soft hand, water and oil repellent treatment for fibrous materials: perfluoro-aliphatic agent, polyethylene and modified hydrogen-alkyl-polysiloxane

An aqueous finishing agent for providing fibrous materials with a soft water and oil repellent treatment is provided. The finishing agent comprises A) 25 to 65% by weight of a perfluoroaliphatic group-bearing water/oil-repellent agent (at least 5% by weight fluorine) in dispersion, B) 10 to 35% by w...

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Bibliographische Detailangaben
Hauptverfasser: DAMS, RUDOLF J, DE WITTE, JOHAN E, MOSCH, FRANZ, BERNHEIM, MICHAEL A, ROSSLER, ERICH K, VOGEL, HANS-BURKHARDT
Format: Patent
Sprache:eng
Schlagworte:
FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
LAUNDERING
TEXTILES
TREATMENT OF TEXTILES OR THE LIKE
TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS
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Beschreibung
Zusammenfassung:An aqueous finishing agent for providing fibrous materials with a soft water and oil repellent treatment is provided. The finishing agent comprises A) 25 to 65% by weight of a perfluoroaliphatic group-bearing water/oil-repellent agent (at least 5% by weight fluorine) in dispersion, B) 10 to 35% by weight of a dispersion of an emulsifiable polyethylene (density at 20 DEG C. at least 0.92 g/cm3, acid number at least 5) and C) 25 to 40% by weight of a fluorine-free dispersion of a soft-hand extender based on a modified hydrogen alkyl polysiloxane. A process for providing fibrous materials with a soft water and oil repellent treatment is also provided. The finishing agent provides fibrous material with excellent properties which are resistant to washing and dry cleaning and a particularly smooth, soft hand.