Dyeing process with reactive dyes and glycidyl compound
AssigneeBayer Aktiengesellschaft
InventorsDietrich Hildebrand, Udo W. Hendricks
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Abstract
The present invention relates to a new dyeing process based on the exhaustion principle. It is characterized in that dyeing liquors are used which, in addition to the dyestuff or dyestuff mixture, contain one or more salts, at least one compound having a glycidyl radical and, if appropriate, further auxiliaries.
Claims7
Process for dyeing fibres by the exhaustion principle, characterized in that a reactive dyeing liquor is used which, in addition to the reactive dyestuff or the reactive dyestuff mixture, contains one or more salts, at least one compound having a glycidyl radical, and, if appropriate further auxiliaries, further characterized in that exhaustion liquors are used which contain a compound of the general formula
- Z[Q].sub.p
- wherein
- Q denotes a radical of the formula ##STR20## Z denotes a 1-4-valent aliphatic hydrocarbon radical which can be interrupted by S atoms, a cycloaliphatic hydrocarbon radical, a saturated heterocyclic radical or the groups ##STR21## R denotes hydrogen or alkyl, R.sub.1 denotes alkyl, cycloalkyl, aryl or aralkyl,
- Y denotes a radical of the formula
- --CO--CH.sub.2 --CH.sub.2 --, --SO.sub.2 --CH.sub.2 --CH.sub.2 -- or --CH.sub.2 --CH.sub.2 --
- A denotes alkylene or arylene,
- m denotes 0 or 1,
- n denotes 0-10,
- q denotes 0 or 1 and
- p denotes 1-4.
Dependencies are inferred from the claim text.