JPS5953303B2 - Compositions of dyes containing halogenated triazine groups - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to stabilized compositions of dyes containing halogenated triazine groups.

More specifically, the present invention provides that at least one triazine nucleus
Triazine-2- substituted by halogen atoms
The present invention relates to a composition of a dye containing at least one ylamino group and a dye containing a halogenated triazine group made of sodium tripolyphosphate.

Up until now, dyes containing halogenated triazine groups have been found to undergo hydrolysis due to the small amount of water contained in the dye during storage, during which the halogen atoms bonded to the triazine nucleus are used for dyeing. is known to decrease.

In order to reduce this decomposition, a buffer that maintains the hydrogen ion concentration of the dye at pH 6 to 8, such as a mixture of airtrium hydrogen phosphate or dipotassium hydrogen phosphate and sodium dihydrogen phosphate or potassium dihydrogen phosphate, can also be used. It is also known that it is useful to incorporate them into dye products. (For example, Japanese Patent Publication No. 35-15857) Such known buffering agents are certainly effective in preventing hydrolysis of dyes during storage. However, there is a problem in that when a small amount is used, the effect is small, and when a large amount is mixed, the dyeability of the dye in textile printing is inhibited. The present inventors have conducted intensive studies on agents that do not inhibit the dyeability of reactive dyes having halogenated triazine groups in printing and prevent hydrolysis of the dyes, and have found that sodium tripolyphosphate is the most effective agent. I discovered something.

In the present invention, dyes containing a triazin-2-ylamino group in which the triazine nucleus is substituted by at least one halogen atom are themselves already known as triazine-type reactive dyes.

In the present invention, halogen atoms are in particular chlorine atoms and fluorine atoms. The amount of sodium tripolyphosphate added is appropriately determined depending on the type and number of active halogen atoms bonded to the carbon atoms of the triazine nucleus present in the dye used, but it is generally 1 to 20% by weight based on the dye. %, especially from 1 to 10% by weight, sufficient storage stability can be obtained, and there is no decrease in dyeability as in the conventional case.

The amount of sodium tripolyphosphate used in the present invention is half to less than that of known buffering agents.

In addition to sodium tripolyphosphate, the composition of the present invention may contain commonly used diluents, such as inorganic salts such as mirabilite and common salt, and dispersants such as formalin condensates of sodium naphthalene sulfonate. It's okay to be there. Furthermore, the composition of the present invention may contain not only one type of reactive dye but also two or more types.

The composition of the present invention can be produced by adding sodium tripolyphosphate to the dye when it is in an aqueous solution state or a wet cake state after dye synthesis, and then drying the dye.

It can also be produced by producing a reactive dye alone, drying it, and then dry-mixing sodium tripolyphosphate thereto. Next, the present invention will be explained in detail with reference to Examples.

Parts in the examples indicate parts by weight. Example 1 Trisodium-1-amino-4-[3-{6-chloro-
A dye composition is prepared by mixing 92 parts of 4-(m-sulfonateanilino)-1,3,5-triazin-2-ylamino)-4-sulfonateanilino]anthraquinone-2-sulfonate with 8 parts of sodium tripolyphosphate. make.

The obtained reactive dye composition had the same printing coloring power as the dye alone in printing, and no decrease in coloring power was observed even after storage at 60° C. for one month.

. However, in the above case, when the dye alone did not contain sodium tripolyphosphate, it was significantly decomposed in storage, resulting in a product with no commercial value. In the above,
In the case of a reactive dye composition obtained by using 3 parts of known disodium hydrogen phosphate and 5 parts of potassium dihydrogen phosphate in place of sodium tripolyphosphate, the dyeing power was reduced in thermofix printing.

The printing test methods and storage stability test methods and results of the above dyes and dye compositions are as follows.

In addition, the dye component purity of the dye composition is 8.
%, the dyeing strength evaluation in this table is based on this amount.

[Textile printing test method]

Weigh 50 parts of the dye into a container and add 300 parts of boiling water to dissolve it.

Next, 100 parts of urea and sodium alginate base glue (4 parts
%) and 20 parts of sodium bicarbonate were added and thoroughly stirred to prepare a colored paste. This was printed on a cotton cloth using 120 mesh polyester gauze, and after intermediate drying, it was steamed (100°C x 10 minutes) or thermofixed (
180°C x 90 seconds). Then 50-60℃
Wash thoroughly with hot water, treat in a bath containing 3 g/1 monogen paste at 98 to 100° C. for 5 minutes, and finish by washing with water. [Storage Stability Test Method] 50 g of the dye was weighed into a glass container, sealed tightly, and left in a constant temperature bath at 60° C. for one month.

The dyeing strength of this was compared with that before treatment using the steaminder printing method. Example 2 Trisodium 1-amino-4-[3-{6-chloro=4
-(m-sulfonateanilino)-1,3,5-triazin-2-ylamiha}-2,4,6-trimethyl-5
A mixture of 96 parts of sulfonate, anthraquinone, 2-sulfonate and 4 parts of sodium tripolyphosphate was mixed in an aqueous solution state, and dried in a spray dryer to obtain a solid dye composition.

A reaction prepared by using the reactive dye composition obtained in the same way, a single reactive dye, and 3 parts of disodium hydrogen phosphate and 5 parts of potassium dihydrogen phosphate in place of sodium tripolyphosphate. The dye compositions were compared in the same manner as that of Jitsubaishoku 1, and the results shown in Table 2 showed that the composition of the present invention was superior to the known compositions.

Example 3 Trisodium-2-{8″-hydroxy-7″ (4″″
-Methynole 12''''-Snolejo 1cho''-Pheninoleazo) 3'',6''-Disnolejo Naphthinole 1cho1amino}-
4(N-methylanilino)-6-fluoro-1,3,5
- A highly stable reactive dye composition was prepared by mixing 92 parts of triazine and 8 parts of sodium tripolyphosphate.

Claims (1)

[Claims] 1 Composition diagram of a dye containing at least one triazin-2-ylamino group in which the triazine nucleus is substituted with at least one halogen atom, and a dye containing a halogenated triazine group formed from sodium tripophosphate.