SE335712

A process for printing synthetic nitrogenous fibers with dyestuff that are soluble or dispersible in water is disclosed. The fibers to be printed are pretreated with an aqueous preparation consisting substantially of at least one fiber, substantive water-soluble, anionic resist for synthetic polyami...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: HARRIS M, GILGIEN H, KOEGEL G
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A process for printing synthetic nitrogenous fibers with dyestuff that are soluble or dispersible in water is disclosed. The fibers to be printed are pretreated with an aqueous preparation consisting substantially of at least one fiber, substantive water-soluble, anionic resist for synthetic polyamide fibers selected from the group consisting of polycondensates of diarylsulfones containing at least one phenolic hydroxy group with formaldehyde. The fibers so pretreated are then dried and then printed with the printing paste containing the dyestuff.