Quaternary azo dyestuffs from substituted benzisothiazoles and ammonium containing aromatic carbocyclic couplers
Abstract
Abstract AZO DYESTUFFS FREE OF SULPHONIC ACID AND CARBOXYLIC ACID GROUPS OF THE FORMULA (3-(Y-X-R-N=N-),(E)P,(D)N,(B)M-2,1-BENZISOTHIAZOLE) Z(-) WHEREIN B, D AND E STAND FOR SUBSTITUENTS, R STANDS FOR AN AROMATIC CARBACYCLIC RADICAL, X STANDS FOR A BRIDGE AND Y STANDS FOR AN AMMONIUM GROUP, AND M, N AND P ARE 0 OR 1. THESE DYESTUFFS ARE EMINENTLY SUITED FOR DYEING AND PRINTING TANNED COTTON, FIBERS OF AROMATIC POLYESTERS, ESPECIALLY THOSE CONTAINING SULPHONIC ACID GROUPS SUCH AS ETHYLENE GLYCOL AND SULPHOPHITHALIC ACID, POLYAMIDE FIBERS, POLYURETHANE FIBERS, POLYACRYLONITRILE FIBERS, DICYANOETHYLENE FIBERS. THE DYEING ARE CHARACTERIZED BY SUPERIOR FASTNESS PROPERTIES, ESPECIALLY TO LIGHT AND WET PROCESSING, AS WELL AS IRONING, SUBLIMIATION AND DECATIZING.
Inventors
- 👤 K Moritz
- 👤 C Taube
Bibliographic Details
Claims Analysis
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