CS254299B1 - Dye preparation - Google Patents

Abstract

Dye preparation for dyeing wool, silk and polyamide textile materials consisting of a synergistic mixture by weight of 65 to 75% of a symmetrical 2:1 chromium complex dye of formula I, 1 to 3% of a cationic surface-active compound of general formula II, where R is an alkyl and X is a halogen anion, and 22 to 34% of fillers, such as simple inorganic electrolytes, sugars, urea and oily water-insoluble substances, reducing the dustiness of the final dye preparation.

Description

(54) Coloring agent

A dye composition for dyeing woolen, silk and polyamide textile materials comprising a synergistic mixture of 65 to 75% by weight of a symmetrical 2: 1 chromium complex dye of formula I, 1 to 3% of a cationic surfactant of formula II wherein R is alkyl and X a halogen anion; up to 34% of fillers, such as simple inorganic electrolytes, sugars, urea and oily water-insoluble substances, reducing the dustiness of the final dye composition.

CH _q

AND

R - O - CH _O CHCH _O - N - CH ₉ CII ₉ OH ² I ² I

OH CH, (II)

SUMMARY OF THE INVENTION The present invention provides a dye composition for dyeing wool, silk and polyamide textile materials, comprising a synergistic 2: 1 unbalanced metallocomplex dye based on a constitutional complex

NaO ₃ S

SO3NH4 (i) cationic surfactants based on quaternary salts of constitution II

CH (II)

Wherein R is an alkyl moiety with a carbon chain length of up to C 18 and X is a haloanion and fillers such as simple inorganic electrolytes, sucrose, dextrose, urea, and liquid insoluble water-insoluble final dye compositions.

The dye composition according to the invention is novel and allows the rational use of dyes and dyeing apparatuses, a substantial increase in the degree of use of the dyeing bath while reducing the amount of ecologically degrading colored organic waste.

The dye preparation according to the invention can advantageously be prepared by mixing said components I and II in the liquid state before drying in spray or fluid driers, the optimum content of component I in the final dye composition being in the range of 65-75% by weight, component II 1-3% % by weight and fillers 22 to 34% by weight.

The cationic surfactants of constitution II can advantageously be used for emulsifying oily substances which reduce the dustiness of the final product, which may be mineral and synthetic oils, silicone oils or dodecylbenzene.

The advantage of the dye composition according to the invention is the possibility of its application both in printing in pull-out dyeing processes on all types of dyeing apparatus, where besides shortening of dyeing time it is possible to achieve permanent dyeing without additional textile auxiliaries. .

The invention is further illustrated by the following non-limiting example.

Example

To the reaction mixture containing 72 parts by weight of the unsymmetrical chromium complex of constitution I, 10 parts by weight are added under stirring at a temperature of about 60 ° C. 30% aqueous solution of the surfactant of constitution II and 25 parts by weight of sodium sulfate.

The resulting mixture was spray dried at a 190/90 ° C inlet / outlet temperature ratio. The product is a dye preparation directly usable for dyeing the aforementioned textile materials, which color is neutral red.

Dye preparation for dyeing woolen, silk and polyamide textile materials, characterized in that it contains a synergistic mixture of unsymmetrical 2: 1 metacomplex dye based on the chromium complex of constitution I

Claims (1)

OBJECT OF THE INVENTION with a cationic surfactant based on quaternary salts of constitution II (II) R - 0 - CH ₂ CHCH ₂ OH wherein R is an alkyl residue with a carbon chain length 0 ₁ θ to C ^ g and X is halogenanion and fillers such as simple inorganic electrolytes, sugars, urea, and oily water insoluble reducing dusting of the final dye product , where the content of the color component I is by weight. 65 to 75% of component II 1 to 3% and the content of the above-mentioned fillers 22 to 34%.