Salt of a sulfonic acid substituted 1:2 metal complex dye with a basic dye and an amine
AssigneeBASF SE
InventorArnold Tartter
Life of this patent
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Abstract
A dye salt of the formula ##STR1## WHEREIN Me is cobalt or chromium, X is --O-- or --COO--, Y and Y' each is hydrogen, chlorine or nitro, n is 1 or 2, a + b = n + 1 and neither a nor b is zero, the R substituents make up the organic residue of metallizable azo dyes, A is a basic dye and B is an aliphatic amine in quaternized form. These dye salts have good solubility in alcohols, glycols and esters and are useful for the manufacture of transparent varnishes, printing inks and the like.
Claims4
The salt of a 1:2 metal complex dye having the formula ##STR5## in which:
- m is zero or 1;
- X is --O-- or --COO--;
- Y is hydrogen, chloro or nitro;
- Z is hydrogen or chlorine;
- R is ##STR6## when R.sup.1 is methyl, or R + R.sup.1 together with the linking carbon atoms therebetween denote the radical ##STR7## in which Z is hydrogen or chlorine;
- A.sup..sym. is a cation selected from the class consisting of Rhodamine G, Rhodamine 6G, Rhodamine B, Rhodamine F3B, Rhodamine 3GO, Rhodamine blue 6G, Brilliant green, Malachite green, Auramine, Methyl violet, Crystal violet, and Ethyl violet;
- and
- B.sup..sym. is a cation selected from the class consisting of n-hexylammonium, n-decylammonium, n-dodecylammonium, .beta.-ethylhexylammonium, i-nonylammonium, i-tridecylammonium, .gamma.-ethoxy-, .gamma.-propoxy-, .gamma.-butoxy- .gamma.-isopentoxy- and .gamma.-hexoxypropylammonium, .gamma.- (.beta.-ethylhexoxy)-propylammonium and .gamma.-(i-nonyloxy)-propylammonium.
The dye salt according to claim 3 in which A.sup..sym. is a Rhodamine cation and B.sup..sym. is .gamma.-(.beta.-ethylhexoxy)-propylammonium.
The dye having the formula ##STR9##
Dependencies are inferred from the claim text.