Process for the colouration of acid-modified synthetic textile fibers and acrylic fibers
AssigneeCiba-Geigy Corporation
InventorsGeorge Samuel Anthony Corbishley, Leonard Walter Burns, James Jack, John Francis Edmund Keenan, Cyril Hobday
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Abstract
Process for the colouration of acid-modified synthetic textile fibres, particularly polyacrylonitrile fibres or basic dyeable polyester fibres, wherein said fibres are coloured with a cationic dye in the presence of a compound of the formula ##EQU1## wherein R is a chloro-substituted phenyl group, Z is hydrogen or methyl and n is an integer from 1 to 3, obtaining on said fibres a rapid fixation of the cationic dye and an outstanding colour yield.
Claims17
A process for the coloring of acidmodified polyester fibers or polyacrylonitrile fibers comprising treating said fibers with a preparation consisting essentially of an aqueous solution of a cationic dye and as dye carries an effective amount of at least one component having the formula Ia
- R -- O--CH.sub.2 CH.sub.2 O) .sub.n H (Ia)
- wherein R is a chloro-substituted phenyl group and n is an integer from 1 to 3.
Dependencies are inferred from the claim text.