Dyeing of cellulose-containing textile material and novel dyes for use therein
AssigneeBASF SE
InventorsJohannes Dehnert, Werner Juenemann
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Abstract
A process for dyeing cellulose-containing textile material, wherein a dye of the general formula I ##STR1## where R is an aliphatic, cycloaliphatic, araliphatic or aromatic radical and n is 0 or 1, and where the rings A, B and C may be substituted and may carry a fused ring, is used. On cotton and especially on cotton/polyester union fabrics, the process according to the invention gives very fast, especially very lightfast, dyeings.
Claims9
A process for dyeing cellulose-containing textile material which comprises contacting a cellulose-containing textile material with water and an oxyethylene or oxypropylene compound, thereby to swell the cellulose fibers of said textile material and dyeing said swollen fibers with a dye of formula I ##STR69## where R is an aliphatic, cycloaliphatic, araliphatic or aromatic radical and n is 0 or 1, and where the rings A, B and C may be substituted and/or may carry a fused ring.
Dependencies are inferred from the claim text.