Carrier mixture for the dyeing of polyester materials: n-alkylphthalimide and aromatic ester or ether
AssigneeBayer Aktiengesellschaft
InventorsFrank Bartkowiak, Hans Schulze, Wolf-Dieter Schroer, Gunther Boehmke, Karlhans Jakobs, Willi Schossler
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Abstract
The carrier mixture contains N-alkylphthalimides and compounds of the general formula ##STR1## in which R is C.sub.1 -C.sub.7 -alkyl; phenyl, benzyl or phenylethyl, which can be substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkoxycarbonyl, R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.3 -alkylcarbonyloxy, hydroxyl or C.sub.1 -C.sub.4 -alkoxycarbonyl, m is 0 or 1, n is 0 or 1, m and n not being 0 at the same time.
Claims4
Carrier mixture containing N-alkylphthalimides (1) and compounds of the general formula ##STR6## in which R is C.sub.1 -C.sub.7 -alkyl;
- phenyl, benzyl or phenylethyl, which can be substituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or C.sub.1 -C.sub.4 -alkoxycarbonyl,
- R.sup.1 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkylcarbonyloxy, hydroxyl or C.sub.1 -C.sub.4 -alkoxycarbonyl,
- m is 0 or 1,
- n is 0 or 1, m and n not being 0 at the same time
- the carrier mixture containing components (I) and (II) in a weight ratio of 0.5-12:1.
Dependencies are inferred from the claim text.