DK144803B - PROCEDURE FOR COLORING OR OPTICAL CLEARING OF TEXTILE MATERIALS CONTAINING SYNTHETIC FIBERS AND COLOR FLOATS FOR USE IN THIS PROCEDURE - Google Patents

Description

144803

The present invention relates to a method of dyeing or optical clearing textile materials containing synthetic fibers, and a color float for use in this method.

5 When dyeing textile materials with dyes which are insoluble or heavily soluble in water, e.g. according to the so-called high temperature circulation dye method, dispersion difficulties are often caused by an insufficient distribution of the dyes in the dye floats. This gives 10 uneven and false stains with poor rubbing fastness. Such shortcomings include sensitive by dyeing synthetic fibers, especially linear polyester fibers, with dispersion dyes.

As is well known, for stabilizing dispersions of dyes which are heavily soluble in water, certain auxiliaries can be added to the dye baths, such as condensation products of naphthalene sulfonic acid with formaldehyde or their alkali metal salts, oxethylated fatty alcohols or lignin sulfonates.

However, these products have either only dispersing or even-leveling properties. Therefore, both effects simultaneously can be achieved almost only by using mixtures of different auxiliaries. Furthermore, many dispersants interfere with the dispersion and coloring process by their strong propensity for foaming.

A process has now been found which allows uniform and rubbish stains to be obtained by dyeing textile materials containing synthetic fibers with dyes which are heavily soluble to insoluble in water.

The method of the kind defined in the preamble of claim 1 is according to the invention peculiar to the characterizing part of claim 30. The color fleet of the invention is characterized by the characterizing part of claim 3.

2 146803

With the aid of the above-described anionic esters, it is now possible to avoid the drawbacks previously described in staining organic synthetic fibers, especially polyester fibers, with dispersion dyes without auxiliary additive or with the previous additions. The technical progress achieved according to the invention depends above all on the excellent dispersion-stabilizing effect of the esters on the dye, so that during the entire dyeing process neither clumping nor precipitation of the dye occurs.

A further advantage of these compounds used as equalizing and dispersing agents lies in the poor propensity for foaming. Accordingly, there is no danger of foamy formation on the stains and thus a faster penetration of the product and an increase in the flow rate of the dyeing apparatus is ensured.

Swedish Patent No. 167,908 discloses a process for printing polyester fibers with inks containing dispersion dyes and esterification products of polyhydric alcohols or their derivatives and polybasic inorganic acids. As derivatives are mentioned polyoxypropylene, which is oxethylated at 2-6 moles of ethylene oxide at both chain ends.

Compared to the anionic polyalkylene oxy adducts disclosed in the patent, the sulphated polypropylene acid discloses. oxy adducts themselves with a better dispersing effect by staining 25 linear polyester fibers with dispersion dyes.

By definition, multivalent alcohols according to the invention are those having at least 2 hydroxyl groups, e.g. alkylenediols having an alkylene group of 2 to 6 carbon atoms such as ethylene glycol, 1,3- or 1,2-propylene glycol or 1,5-pentanediol, glycerol or trimethylolpropane. Preferably, aliphatic alcohols having three carbon atoms and two or three hydroxyl groups are used.

3 144803

In particular, for use in the process of the present invention, the esters of a polyadduct having an average molecular weight of 2000-3500 have passed their test. Among these, addition products derived from propylene glycol or glycerol are particularly suitable.

The sulfo group-containing products used according to the invention can be used as free acids or preferably in the form of their alkali metal or ammonium salts. In particular, the alkali metal salts include the sodium and potassium salts and as the ammonium salts 10 the ammonium, trimethylammonium, monoethanolammonium, diethanol ammonium and triethanolammonium salts. Preferably, the products are used as ammonium sulfate salts.

Typical representatives of the sulfo group containing products used according to the invention are the reaction product obtained from the reaction of polypropylene glycol and sulfamic acid, whereby the polypropylene glycol has an average molecular weight of 1000-3500, preferably 2000, and those sulfated by glycerol or trimethylolpropane and propylene oxide products obtained the polyadducts have an average molecular weight 20 of 2000-6000, preferably 3000 and 2500, respectively.

A further sulfo group-containing representative is the sulfo-succinic half-ester of one upon application of propylene oxide to glycerol polyadduct, the half-ester having an average molecular weight of about 10%. 4000th

The amount of the sulfo group-containing polypropylene oxide adducts used in the present invention ranges between 0.1 and 5 g, preferably 0.5-2 g, per liter. liter of the watery father-web lottery.

It is often desirable in the aqueous solution of the ester to incorporate an anti-foaming agent to improve the properties of the dye to which the dispersant is added, and often also to increase the migration of the dye. A satisfactory type of anti-foaming agent is a silicone emulsion, e.g.

A 5-10% aqueous silicone emulsion which can also be used in combination with higher alcohols of 4-22 carbon atoms, especially with 2-ethyl-hexanol. However, as anti-foaming agents, water-insoluble alkylene oxide adducts of higher alcohols are best suited, e.g.

5 adduct of stearyl alcohol and 1 mole of ethylene oxide, as well as esters of aliphatic dicarboxylic acids and higher alcohols or the higher alcohols alone, e.g. butyl alcohol or 2-ethyl-hexanol.

Quite particularly suitable are adipic acid di-2-ethylhexyl ester 10 and also methyl polysiloxane.

The anti-foaming agent used may be only e.g. Advantageously, however, at least 10% by weight, preferably 15-60% by weight, based on the weight of the ester.

It is also possible to add alcohols to the solution of the ester with water. In particular, lower aliphatic alcohols such as alkanols, e.g. ethyl alcohol, n- and isopropyl alcohol, tert-butyl alcohol, alkylene glycols, e.g. ethylene glycol and 2.5 hexanediol and their lower monoalkyl ethers, as well as mixtures thereof.

By water-insoluble or heavily soluble dyes, in the sense of the invention, it is to be understood as tint dyes, pigment dyes and, above all, dispersion dyes which are fiber refined, i.e. such as those which transfer to textile synthetic fiber materials.

These dyes may belong to the various classes, e.g. acridone dyes, nitro dyes, methine and polymethine dyes, styryl and azostyryl dyes, xanthene dyes, oxazine dyes, aminonaphthoquinone dyes, coumarin dyes and especially anthraquinone dyes and azo dyes such as monoazo dyes and diso dyes.

Mixtures of such dyes may also be used in the process of the invention.

5 144803

The method according to the invention is also suitable for white-tinting of non-colored textile materials with water-soluble optical clarifiers. These can belong to any clear-medium class. In particular, these include stilbene compounds, coumarins, benzocumarines, pyrazines, pyrazolines, oxazines, triazolyl, benzoxazolyl, benzofuran or benzimidazolyl compounds and naphthalic acid amides.

The amount of dyes added to the float according to the method according to the invention is directed to the desired color strength, in general the amount of 0.01-10% by weight, based on the fiber material used, has stood their test.

As fiber materials that can be dyed by the process of the invention, mention is made of cellulose ester fibers such as cellulose-2 1/2 acetate fibers and triacetate fibers, synthetic polyamide fibers, e.g. those of ε-caprolactam, of adipic acid and hexamethylene diamine, of ω-aminoundecanoic acid, polyurethane, polyolefin fibers, e.g. polypropylene fibers, polyacrylonitrile fibers, including modacrylic fibers and, above all, linear polyester fibers. By linear polyester fibers is meant synthetic fibers obtained by condensation of terephthalic acid with ethylene glycol or of isophthalic acid or terephthalic acid with 1,4-bis (hydroxymethyl) cyclohexane as well as copolymers of terephthalic and isophthalic acid and ethylene glycol. The fiber materials can also be used as blend weaves between one another or with other fibers, e.g. mixtures of polyacrylonitrile / polyester, polyamide / polyester, polyester / viscose and polyester / wool.

The fiber material may thereby be present in the various processing stages, e.g. in the form of tufts, piece goods, such as woven and knitted goods, yarns, wound bodies, such as fiber fabrics, textile floor coverings or tufted rugs.

The dyes are advantageously aqueous looking according to the extraction method. Linear polyester fibers are preferably dyed according to the so-called high temperature method in closed and suitably pressure-resistant apparatus at temperatures above 100 ° C, preferably between 110 and 140 ° C, and optionally with overpressure.

As closed containers suitable for example. circulation apparatus, such as cross-coil or boom-color systems, reel enclosures, nozzle or drum-color machines, paddles or jiggers. Accordingly, the attractive ratio can be selected within a wide range, e.g.

1: 1 to 1: 100, preferably 1:10 to 1:50. The dyeing of linear polyester fibers can also be carried out at temperatures of 100 ° C, e.g. in the temperature range of 75-98 ° C, in the presence of the usual color carriers (e.g. phenyl-phenols, polychlorobenzene, xylenes, toluene, naphthalenes or diphenyl. Cellulose-2 1/2 acetate fibers are preferably stained at temperatures of 80-85 ° C, while cellulose triacetate fibers are advantageously stained at the boiling point (98 ° C) of the aqueous bath.

When dyeing cellulose-2 1/2 acetate or polyamide fibers 15, it is unnecessary to use color transfers.

In preparing the color floats, it is convenient to use aqueous solutions of the ester and add to them the appropriate aids such as anti-foaming agents and lower alcohols. The floats may contain mineral acids such as sulfuric acid or preferably phosphoric acid, organic acids, suitably lower aliphatic carboxylic acids such as formic, acetic or oxalic acid, and / or salts such as ammonium acetate, ammonium sulfate or sodium acetate. Above all, the acids serve to adjust the pH in the floats used according to the invention, which, in rule 4-8, preferably 4.5-6.5.

The textile material is placed in the float, which can have a temperature of 40-70 ° C, and the material is treated for 5-15 minutes at this temperature. Then add the dye and optionally carrier and raise the float temperature to 30 in the specified temperature range for 50-100 minutes.

The colored material is then rinsed and dried as usual.

A reductive finishing is usually not necessary. As a rule, the material to be colored rests in the color apparatus and the raft circulates through the material. It is important that a fine dispersion of the dye is not only present at the beginning, but that the degree of dispersion also remains maintained throughout the color process.

As is well known, certain dispersion dyes, especially 5 under the conditions of high temperature staining, tend to clump. The result is that the dye no longer draws on the fibers but is deposited on the surface of the material to be dyed. Such dye phage glomerations and secretions can be particularly well avoided by the 10 anionic polyadducts to be used according to the invention.

In the method according to the invention, the synthetic fiber material can also be dyed continuously, i.e. by impregnating with an aqueous preparation containing a dispersion dye, a definite anionic ester and optionally a thickener and an acid, and clamping to the desired content of impregnation float of 60-120% of the fiber weight with subsequent heat treatment, such as steaming at temperatures of 98 -105 ° C, with neutral saturated steam or thermofix at 180-210 ° C.

In the process of the invention, synthetic organic fiber material, in particular linear polyester fibers, provides uniform and colorful stains which are also distinguished by good rubbing fastness and color yields.

In the following manufacturing regulations and examples, percentages represent percentages by weight and parts by weight.

Preparation instructions.

A. 100 g of pure polypropylene glycol with an average molecular weight of 2000 is heated to 60 ° C. To this, 20 g of urea and 20 g of sulfamic acid are added with stirring over 30 minutes. Stir for an additional 30 minutes at 60-65 ° C and then heat to 95 ° C and keep the mixture for 10 hours at 95-100 ° C. A viscous yellow product is obtained which is dissolved clearly in water and contains 80% ammonium salt of the disulfuric acid ester. The reaction is as follows: HO-f CH - CHOf-H + 2NH-SO-H -> NH.SO.0- (CHo-CHO) -SO, NH.

2, η δ ό 4 j 2, n J 4 CH 3 CH 3 B. To 62 g of the 5 condensation product obtained from glycerol and propylene oxide having an average molecular weight of 3100 is added as described under A 6.4 g urea and 6.4 g sulfamine acid, and it is esterified. A viscous, water-soluble product containing 92% ammonium salt of the sulfuric acid ester is obtained. The reaction is as follows:

CH- - O - (C-H, O -) - H

CH 2 O - (C-H-O -) - H + 3 NH-SO-H -> I '3 6 mj 2 3

CH2 - ° - (C3H604 -H

CH 2 - O - (C 2 H 2 O 4 -SO 3 NH 4 CH - O - (C 3 H 604 ¥ - SO 3 H 4 CH 2 - O - (C 2 H 2 O 3 - SO 3 HH 4 C.) 75 g of the trimethylol propane and propylene oxide additive having an average molecular weight of 2540 are reacted as below A described with 9.6 g of sulfamic acid in the presence of 9.6 g of urea A viscous, water-soluble sulfated product is obtained.

D. 100 g of a maleic acid halster of the formula CH - O -F CH - CH- - O T- COCH = CH - COOH

in CH, 3 -1 nl

CH - 0 -ΓCH - CH, - 0 - COCH = CH - COOH

! CH, L 3 _ln2 CH- - 0 -f ~ CH - CH- - 0 T- COCH = CH - COOH 2, CH, L 3 Jn3 9 144803 nl + n2 + n3 = ca * ®3 'molecule * gt ca · 4000, stirred with the addition of 7.12 g of sodium metabisulphite in 400 ml of water for 9 hours under reflux, keeping the pH of the reaction mixture between 5.5 and 6.5 by 7.5 ml of a 10% aqueous solution. natriiimhydroxidopløsning.

A slightly yellowish, opal solution is obtained which has a degree of alloying of 100%, determined over the unreacted amount of sulfite. After evaporation at 40-50 ° C, 109 g of the sodium salt of the sulphorboxylic acid ester is obtained in the form of a strongly hygroscopic sticky mass.

E. 100 g of a condensation product obtained from glycerol and propylene oxide having an average molecular weight of 4000 is heated to 60 ° C. Then 10 g of urea is added over 15 minutes and 10 g of sulfamic acid over 30 minutes. After further stirring at 60-65 ° C for 30 minutes, warm to 100 ° C and keep for one hour at 100 ° C and for another 9 hours at 105 ° C. The resulting sulfation product is dissolved clearly in water.

F. However, according to Preparation Regulation E, 20 uses 100 g of a condensation product obtained from glycerol and propylene oxide with an average molecular weight of 6000.

G. 100 g of polypropylene glycol having an average molecular weight of 1000 are esterified in the same manner as in Preparation Specification E with 40 g of sulfamic acid in the presence of 40 g of urea.

The reaction product obtained contains 66% ammonium salt of the acid sulfuric acid ester and dissolves clearly in water.

H. 47.6 g of the adduct of 1 mole of ethylene glycol and 40 moles of propylene oxide having an average molecular weight of 2380 are esterified in the same manner as in Preparation Specification E in the presence of 8 g of urea with 8 g of sulfamic acid.

I. 40 g of the product obtained according to Preparation B is mixed at 60 ° C with 10 g of adipic acid di-2-ethylhexyl ester of ester and then with 0.5 g of the adduct of 1 mole castor oil and 40 mole of ethylene oxide, 3 g water and 2.5 g of isopropanol. A liquid homogeneous product is obtained, whereby the adipic acid ester after dissolving in water is in fine emulsion.

5 K. 37 g of the product obtained according to Preparation B is mixed with 3 g of monoethanolamine and then with 50 g of benzene. In vacuo, benzene and ammonia are then evaporated to give the monoethanolamine salt of the acid sulfuric acid ester of the condensate of glycerol and propylene oxide having an average molecular weight of 3100.

L. Proceeding according to manufacturing regulation K, however, 5 g triethanolamine is used instead of monoethanolamine. The corresponding triethanolamine salt is obtained.

M. To 50 g of the product obtained according to Manufacturing Regulation B is added 50 g of water. To the resulting clear solution is mixed 0.8 g of an aqueous emulsion of methyl polysiloxane.

Example 1.

25 g of a polyethylene glycol terephthalate woven fabric is treated in a circulation dye for 10 minutes at 60 ° C with a float containing 0.6 g of ammonium sulfate and 0.3 g of an auxiliary mixture consisting of 55 parts of the product obtained in Manufacturing Regulation B sulfuric acid ester, 10 parts adipic acid di-2-ethylhexyl ester and 35 parts water and isopropanol (1: 1) in 300 ml water and adjusted with 85% formic acid at 25 pH 5.5. Then 1.35 g of a dye mixture consisting of 0.875 g of a dye of formula N

(1) N02 -, \ f V -N = N- V

and 0.475 g of a dye of the formula 11 144803 * x OH - Br. CXI / y> H NxA / _ and heats the color fleet 1 to 30 ° C over 30 minutes.

Stir for 60 minutes at this temperature and cool the float to 90 ° C. The resulting staining is rinsed and dried.

A sparkly, even, brilliant red color is available.

Example 2.

400 g of a polyethylene glycol terephthalate fiber cross coil is treated for 10 minutes at 60 ° C in a circulation dye apparatus with a float containing 16 g of ammonium sulfate and 8 g of the disulfuric acid ester obtained in 8 liters dissolved in 8 liters. adjusted with 85% formic acid to pH 5.5. Then add 1 g of a dye mixture consisting of 0.4 g of a dye of formula (3) N ° 2- <0> "N = N" <0> "Η (CH 2 CH 2 CN) 2 'Cl 0.2 g of a dye of formula 15 (4) NO2- -N = N- "Μ (CH2CH2OCOCH3),

^ CN

and 0.4 g of a dye of the formula OH 0 NH 2 fill (5) I I - Br

YYT

NH2 OH

12 144803 and heats the dye fleet to 130 ° C over 30 minutes.

The mixture is stained for 60 minutes at this temperature and then cooled to 90 ° C, after which the obtained staining is rinsed and dried. You get an even, gray stain.

Example 3.

If, in Example 1 or 2, the auxiliary aids mentioned are replaced with the same amounts of an additional auxiliary consisting of 80 parts of the sulfuric acid ester obtained according to Preparation Specification B and 20 parts of the condensation product obtained from stearyl alcohol 10 and 1 mole of ethylene oxide. as indicated in Examples 1 and 2, respectively, uniform stains are obtained.

Example 4

If, in Examples 1 or 2, the auxiliary agents mentioned there are substituted with the same amounts of an additional aid consisting of 60 parts of the sulfuric acid ester obtained according to Preparation Specification B and 40 parts of butyl alcohol, and further proceed as indicated in Example 1 respectively. 2, you also get uniform stains.

Example 5.

In Example 1 or 2, the auxiliaries mentioned there are replaced with the same amounts of an auxiliary consisting of 80 parts of the sulfuric acid ester obtained according to Preparation Specification B and 20 parts of a mixture of 5% silicone oil and 95% 2-ethylhexanol. otherwise, as indicated in Examples 1 and 2, respectively, uniform stains are obtained.

Example 6

If, in Example 1, the auxiliary mixture mentioned above is replaced by 2.2 g of the 30 sulfuric acid ester obtained and 0.13 g of adipic acid-2-ethylhexyl ester obtained, and furthermore, as indicated in Example 1, one is obtained as well. even coloration.

Similar results are obtained when, instead of the aid obtained according to Manufacturing Regulation C, the sulfuric acid halves obtained according to Manufacturing Regulation D are used.

Example 7

Solid, uniform stains are also obtained when in Example 2 the product of Manufacturing Regulation A is replaced by 8 g of the product of Manufacturing Regulation I or 16 g of the 10 product of Manufacturing Regulation M or when the auxiliary mixture mentioned in Example 1 is replaced by 0.3 g of the product according to manufacturing regulation I or 0.6 g of the product according to manufacturing regulation M.

Example 8 ♦ Equal stains are also obtained with the products according to manufacturing regulations E, F, G, Η, K, L when used in similar quantities instead of the product according to manufacturing regulation B of example 1.

Example 9

40 g of a polyethylene terephthalate staple woven fabric is stained in a dyeing apparatus for 16 minutes at 130 ° C while moving in a raft (1: 9 ratio), containing 0.5% (by weight) of a 20% s aqueous dispersion of the optical clarifier of formula N - CH, / w

(6) ^ S'-CH ^ H-y5 V-C

14 and 5 g per liter of the preparation according to Preparation Regulation I. The barrel is discharged at 130 ° C. The usual rinsed and dried fabric shows a very high, brilliant clear effect with neutral hue at complete evenness. A stain at which, instead of 0.5 g of the preparation according to Preparation I, 4.0 g of a 25% aqueous solution of the equalizer of the formula is used

C17H35CH2 ° - (CH2 - CH2O) 35 "H

per. liter, otherwise provides substantially 10 poorer optical clarity of insufficient smoothness. Occasionally, the colored fabric is even detected with green discolorations due to undeveloped optical clarification.

Example 10.

A woven fabric of polyethylene terephthalate staple fibers foular-15 in a raft which per. liter contains 5 g of a 20% aqueous dispersion of the optical brightener of formula y yy 3 3

(7) o-O-ch = ch-O-c \ 0V

and 2.5 g of the preparation according to Preparation Regulation I. (Imprinting effect 50%). Then dried at 60 ° C and fixed for 20 seconds at 190 ° C. You get a brilliant, very high clearing effect.

A similar staining, however, without the addition of the preparation according to Manufacturing Regulation I, yields a woven fabric which, due to incompletely developed optical clarity, is only insufficiently clarified and greenish in color. First, at a fixation temperature of 210 ° C, the clearing agent is fully developed, however, without reaching the effect of a clarification fixed with the product of Manufacturing Regulation I and also fixed at 210 ° C.

Likewise, by using the product of position specification I, the fixation temperature can be lowered by a combination of the optical clarifiers of formulas (8) C1 - C5 V-CH = CH - <^ V-N ^ Y

V

and 5 (9) CH - C = Nv L> U \ A0 from 190 ° C to 170 ° C.

Example 11.

25 g of a polyethylene glycol terephthalate woven fabric, wound on a perforated metal support, is treated for 10 minutes 10 at 60 ° C in a circulation dye apparatus with a float containing 0.6 g ammonium sulfate and 0.3 g of auxiliary mixture consisting of 55 parts of the sulfuric acid ester obtained in Manufacturing Regulation B, 10 parts of adipic acid di-2-ethylhexyl ester and 35 parts of water and isopropanol (1: 1) and 1.5 g of a trichlorobenzene / diphenyl type carrier in 300 ml of water and adjusted with 85% formic acid to pH 5.5. 0.625 g of a dye of the formula is then added to the float

Cl NH-, -N> -N-C-H.

(10) ° 2N ~ \ V-n = N - <^ \> - NH-

Nro /> = N _ j v

2 NH-CH 2 CH 2 OH X

20 and heats the color fleet to 98 ° C over 30 minutes.

The mixture is stained for 60 minutes at this temperature and then cooled to 90 ° C. The resulting staining is rinsed and dried. A rubbing, even, brilliant, red color is obtained that shows no deposit of dye on the inside of the winding body.

Example 12.

10 g of a polyacrylonitrile woven fabric is treated for 10 minutes at 60 ° C in a color apparatus with a float containing 0.8 g of auxiliary mixture consisting of 55 parts of the sulfuric acid ester obtained in Manufacturing Specification B, 10 parts adipic acid di-2-ethylhexyl ester and 35 parts of water and isopropanol (1: 1) in 400 ml of water adjusted with 80% acetic acid of pH 5.5. Then 0.05 g of a dye of the formula O NH-CH-rrUv (11) are added to the float.

O NH-CH 2 CH 2 OH

15 and warms the color fleet to 98 ° C over 30 minutes. Stir for 60 minutes at this temperature and cool the float to 60 ° C. The resulting staining is rinsed and dried. A rubbing, even, light blue stain is available.

Example 13

5 g of a triacetate woven fabric is placed in a high temperature color apparatus in a float containing 0.2 g of auxiliary mixture consisting of 55 parts of the sulfuric acid ester obtained in Manufacturing Regulation B, 10 parts of adipic acid di-2-ethyl -hexyl ester and 35 parts of water and isopropanol (1: 1) in 200 ml of water, adjusted to pH 5.5 with 80% 1s of acetic acid and containing 0.05 g of the dye used in Example 12 with formula (11). The color fleet is then heated to 125 ° C over 45 minutes. It is stained for 30 minutes at this temperature and then cooled to 80 ° C. The resulting staining is rinsed and dried as usual. A rubbing, even, brilliant, blue stain is available.

Example 14.

5 0.1 g of a dispersion dye of the formula NEL · O NH_ Δ in Δ fill

YYY

HO O NH-CH isopropanol (1: 1).

Then, as usual with staining, the float is heated to 98 ° C over 30 minutes and kept at this temperature for 10 minutes. After cooling, the dye fleet is passed to a round filter, to determine any dye phage glomerations.

The dye dispersion is also still impeccable after this treatment. No agglomeration-dependent dye deposits appear.

Example 15

10 g of a woven fabric consisting of a mixture of polyethylene-glycol terephthalate and wool (50:50) is treated in a dye bath with the raft containing 0.8 g of ammonium sulphate and 0.8 g of an auxiliary mixture consisting of 55 parts of the sulfuric acid ester obtained in Preparation Regulation B, 10 parts of adipic acid di-2-ethylhexyl ester and 35 parts of water and isopropanol (1: 1) in 400 ml of water, and 0.2 g of the dispersion dye of the formula OCH3 144803 18

(13) H0-CH2-CH2 0- \> -N = N- ^%> -N = N- -OH

CH3 and adjusted with 80% acetic acid to pH 5.5. Then, the dye fleet is heated with constant movement of the woven fabric over 30 minutes to 98 ° C, which is stained at this temperature for 60 minutes, then rinsed and dried as usual.

The woven fabric thus treated shows a colorful staining of the polyester part and a clear reservation of the wool part.

Example 16.

A polyacrylonitrile piece is scribbled on a foulard at a 10 raft uptake of 100 wt.% With an aqueous raft at room temperature, which pr. liters contains: 5 g of the dispersion dye used in Example 12 of the formula (11) 6 g of starch ether 15 g of the auxiliary mixture consisting of 55 parts of the sulfuric acid ester obtained in Preparation B, 10 parts of adipic acid di-2-ethylhexyl ester and 35 parts of water and isopropanol (1: 1) and whose pH is adjusted to 5.5 with acetic acid.

The product thus treated is then treated, without intermediate drying, in a steam apparatus for 30 minutes at 105 ° C (saturated steam). The product is then rinsed and dried as usual.

You get a brilliant, even, rubbing, light blue stain.

Example 17.

10 g of a woven textured polyethylene terephthalate fabric is treated for 10 minutes at 60 ° C in a color apparatus with a float containing 0.24 g of ammonium sulfate and 0.24 g of the aid of Preparation I in 120 ml of water, and as with 85% formic acid is adjusted to pH 5.5. Then, the float is heated to 135 ° C over 35 minutes and then 0.018 g of a dye of formula NH --- is added.

(14) r-o2s - <^ V-N = N- / ^ I X X

Nro 2 R = CH 3 and C 2 H 5 (1: 1), 0.015 g of a dye of formula

(15) ° 2N ~ <^ Vn = N - <^ S> -N-CH2CH2-0-CH2CH2CN

TI CH2CH2CN

and 0.015 g of a dye of formula no2 och3

(16) 02N- -N = N- ^ -NH-CH2CH2OCH2CH2CN

Ti NHCOCH2CH3

Stir for 30 minutes at this temperature and then cool to 90 ° C. The resulting staining is rinsed and dried. Man 15 gets an even, gray stain.

Example 18.

Woven textured polyethylene terephthalate fabric is impregnated at 20-30 ° C with an impregnation float containing 29 g / l of a dye of the formula

Claims (3)

144803 N «2 (17) NO2 - <^ Vn = n - <^ V Xl / X-SO2NH-CH3 10 g / l of an adjuvant according to Preparation Regulation 1/2 g / l alginate thickener, 0.5 g / l alkyl naphthalenesulfonic acid sodium and 5 2 g / l monosodium phosphate adjusted with acetic acid of pH 6.5. Then it is clamped to 98%, based on the dry weight of the product, dried at 120 ° C for 1 minute and thermofixed at 190 ° C for 45 seconds. The staining is washed with cold water and dried. You get an even, 10 red stain. Alternatively, the usual reductive post-rinse can also be performed after rinsing. A method of dyeing or optical clearing textile materials containing synthetic fibers, in particular polyester fibers, with water-insoluble or insoluble dyes or optical brightening agents, characterized in that the dyeing or clearing is carried out with a color float which, as a dispersant. or leveling agent contains a water-soluble sulfuric acid ester or sulfuric acid ester of a polyaduct. having an average molecular weight of 1000-6000 and which is polypropylene glycol or a propylene oxide additive and a polyvalent aliphatic alcohol having at least 2 carbon atoms. Process according to claim 1, characterized in that a sulfuric acid ester is used of a preparation product having an average molecular weight of 2000-3500, of propylene oxide and a multivalent alcohol of 3-6 carbon atoms. A color float for use in the method of claim 1 and containing at least one water-heavy to insoluble solution.