Process for dyeing or printing cellulose fibers or cellulose blend fibers with pyridinium-triazine reactive dye, axable without alkali

US4693726A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Fritz Meininger
• Peter Mischke
• Gerd Konig · Hofheim, DE
• Hartmut Springer · Königstein, DE

Key dates

• Filing date: Apr 3, 1986
• Grant date: Sep 15, 1987
• Expiry date: Apr 3, 2006

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10S8/918
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

Process for dyeing cellulose fibers or cellulose blend fibers, which comprises dyeing the fibers mentioned with water-soluble reactive dyes which contain in the dye molecule at least once the structural element of the formula ##STR1## in which Y denotes a hydroxyl, hydroxymethyl, alkoxy C.sub.1 -C.sub.4, aldehyde, carboxamide, monoalkyl C.sub.1 -C.sub.4 -carboxamide, dialkyl C.sub.1 -C.sub.4 -carboxamide, monophenyl carboxamide, cyano, alkyl C.sub.1 -C.sub.4 -oxycarbonyl or sulfo group or a halogen atom, in an aqueous medium within the pH range 4-11.