US3697216A - Process for the production of water-insoluble azo dyestuffs on textile material of cellulose or protein fibers - Google Patents

Process for the production of water-insoluble azo dyestuffs on textile material of cellulose or protein fibers Download PDF

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Publication number
US3697216A
US3697216A US114387A US3697216DA US3697216A US 3697216 A US3697216 A US 3697216A US 114387 A US114387 A US 114387A US 3697216D A US3697216D A US 3697216DA US 3697216 A US3697216 A US 3697216A
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United States
Prior art keywords
bath
hydroxynaphthoylamino
textile material
grams
cellulose
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Expired - Lifetime
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US114387A
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English (en)
Inventor
Hasso Hertel
Kurt Gehre
Rudolf Lowenfeld
Uwe Kosubek
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Hoechst AG
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Hoechst AG
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    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/58Material containing hydroxyl groups
    • D06P3/60Natural or regenerated cellulose
    • D06P3/68Preparing azo dyes on the material
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02Material containing basic nitrogen
    • D06P3/04Material containing basic nitrogen containing amide groups
    • D06P3/12Preparing azo dyes on the material

Definitions

  • the present invention relates to a process for the production of water-insoluble azo dyestuffs on textile materialof cellulose or protein fibers.
  • the process of the invention is carried out by treating the textile material in the form of yarn in hanks, wound bodies, combed or loose material, woven or knitted fabrics in an alkaline bath containing an azo component having a high substantivity, an excess amount of alkali, a wetting or dispersing agent or a mixture of dispersing agents and, if resired, an inorganic salt, for example sodium chloride, sodium sulfate or trisodium phosphate.
  • the treatment is carried out for at least 10 to 20 minutes so that the azo component can be sufliciently and uniformly fixed on the textile material. Generally, this operation is carried out at room temperature or at a slightly elevated temperature, suitably at a temperature below 35 C. If a material is to be treated that can be dyed through with difficulty only, it is possible to start with a temperature near boiling temperature of the bath and to allow the temperature to descend to approximately 20 to 30 C.
  • azo components in the process of the present invention compounds may be used which are distinguished by a high substantivity for the textile material used, i.e. azo components which, at a goods-to-liquor ratio of 1:20, an impregnating period of 30 minutes at 30 C., a concentration of 1 gram per liter of water without the addition of a salt and an excess of 4.5 grams of sodium hydroxide per liter of bath, possess such high substantivity that at least 9 grams are absorbed by 1 kilogram of the material to be dyed.
  • a high substantivity for the textile material used i.e. azo components which, at a goods-to-liquor ratio of 1:20, an impregnating period of 30 minutes at 30 C., a concentration of 1 gram per liter of water without the addition of a salt and an excess of 4.5 grams of sodium hydroxide per liter of bath, possess such high substantivity that at least 9 grams are absorbed by 1 kilogram of the material to be dyed.
  • Suitable compounds are, for example, 2,3 hydroxynaphthoylaminobenzenes, eg 1 (2',3' hydroxynaphthoylamino)-2,5-dimethoxy 4 chlorobenzene or 1- (2',3 -hydroxynaphthoylamino -2-methoxy-4-chloro- S-methylbenzene, 6-bromoor 6-methoxy-2,3-hydroxynaphthoic acid arylamides, e.g.
  • textile material by which the substantive azo components are more completely absorbed than by cotton for example textile material of viscose staple fibers or mercerized cotton
  • azo components also 1-(2',3-hydroxynaphthoylamino)-naphthalene, 1-(2,3-hydroxynaphthoylamino) 2 methyl-4- chlorobenzene, 1-(2',3' hydroxynaphthoylamino)-2,4-dimethoxy-S-chlorobenzene or 1-(2',3' -hydroxynaphthoy1- amino)-2-methoxy-5-chlorobenzene.
  • the compounds commonly used in the ice-color technique enter into consideration, for example condensation products of high molecular weight fatty acids and protein decomposition products, condensation products of high molecular weight fatty acids and aminoalkyl-sulfonic acids, condensation products of formaldehyde with naphthalene-sulfonic acids or purified sulfite cellulose Waste liquor, or mixtures of these compounds. Moreover, they may still be added further highly effective wetting agents, for example alkylaryl sulfonates.
  • the diazonium compound and the alkali binding agent in the form of an aqueous solution concentrated in a higher or lesser degree, are added to the impregnation bath, and the treatment is continued.
  • diazonium compounds particularly those from aromatic mono and diamines enter into consideration, for example those from monochloranilines and dichloranilines, toluidines, chlorotoluidines, chloranisidines, phenetidines, nitranilines, nitrotoluidines, nitroanisidines, nitroxylidines, nitrophenetidines, cyanotoluidines, cyanoanisidines, aminobenzene-sulfonic acid amides, aminophenyl-alkylsulfones, aminobenzene carboxylic acid amides, aminodiphenyl ethers, monoacylated phenylenediamines, amino-azobenzenes, benzidine, dianisidine and toluidine as well as from heterocyclic amines, e.g. aminocarbazoles.
  • alkali binding agents which are added tothe impregnation bath together with the diazonium compound and which serve to neutralize the excess amount of alkali
  • inorganic acids for example hydrochloric acid, sulfuric acid or phosphoric acid
  • organic acids for example acettic acid or formic acid
  • acid alkali metal salts for example mono-sodium phosphate and acid sodium sulfate.
  • the aqueous solution containing the diazonium compound and the alkali binding agent may additionally contain further dispersing agents. These dispersing agents promote the fine division of the dyestutf pigment which is formed when stirring the diazo solution into the impregnation bath.
  • condensation products of high molecular weight fatty acids and aminoalkyl sulfonic acids condensation products of formaldehyde with naphthalene-sulfonic acids and purified sulfite cellulose waste liquor.
  • the amount to be used of the diazonium compound capable of coupling depends on the amount applied of the azo component.
  • Thev diazonium compound is advantageously applied in an amount which exceeds the stoichiometric proportion, i.e. approx. 30 to 200 percent, calculated on the azo component.
  • the alkali binding agents which are simultaneously added together with the diazonium compound are used in such an amount that in the bath a pH-value of approximately 3 to 8, preferably approximately 4.5 to 6.5 is attained.
  • the dyeing liquor is allowed to act upon the material for a further 10 to 30 minutes to assure complete coupling and penetration of the material to be dyed.
  • the material is then rinsed, washed with effective dispersing agents, and the dyeing is finished in the usual manner. Full dyeings are obtained which possess an unexpectedly good fastness to rubbing.
  • the process of the present invention can be applied to textile material of natural or regenerated cellulose, cyanoethylated cellulose, wool, natural silk or regenerated protein fibers.
  • the process of the present invention is distinguished in that working stage II (removal of the residual azo component not absorbed on the fiber) is omitted and for working stage III (developing with the diazonium compound) the preparation of a fresh developing bath is no longer necessary.
  • EXAMPLE 1 1 kilogram of cotton hank was treated in a bath of 25 C. containing, in 20 liters of soft water, 40 grams of purified sulfite cellulose waste liquor, 10 grams of the sodium salt of ethylenediamine-tetracetic acid and 149 cc. of sodium hydroxide solution of 32.5% strength as well as 26 grams of 1-(2',3'-hydroxynaphthoylamino)-2,5-dimethoxy-4-chlorobenzene, dissolved in 39 cc. of denatured alcohol, 11 cc. of sodium hydroxide solution of 32.5% strength, 52 cc. of water of 40 C. and 20 cc. of formaldehyde of 33% strength.
  • the solution of a diazonium salt prepared from 20.6 grams of l-amino- 2-methyl-5-chlorobenzene and 10 grams of a condensation product of oleic acid and methyl-taurine in 300 cc. of acetic acid of 50% strength was introduced into the impregnation bath, whereby a pH of 5-6 was attained in the bath and the dyestuff was formed on the textile material. Then the treatment of the material was continued at 25 C. for a further 20 minutes, and after having rinsed with water, the dyeing was treated for 15 minutes in a fresh bath of 60 C.
  • the after-treatment can also be carried out with the addition of 3 grams/liter of a mixture of 63% of perchloroethylene, 17% of a reaction product of 10 moles of ethylene oxide per 1 mol of nonyl phenol and 20% of isopropanol.
  • EXAMPLE 2 A cross-wound bobbin of 500 grams of cotton yarn was treated in a dyeing machine having a capacity of approximately 6 liters and in which the direction of circulation of the bath was'being changed, with a solution of 20 C. containing, in 6 liters of water, 12 grams of purified sulfite cellulose waste liquor, 3 grams of a condensation product of oleic acid and methyl-taurine and 42 cc. of sodium hydroxide solution of 32.5% strength, as well as 12 grams of 2 (2',3-hydroxynaphthoylamino)-3- methoxy-diphenyleneoxide, dissolved in 24 cc. of denatured alcohol and 6 cc.
  • alkali binding agent instead of 192 grams of mono-sodium phosphate, a mixture of 26 cc. of hydrochloric acid of 32% strength and 45 cc. of acetic acid of 50% strength.
  • EXAMPLE 3 1 kilogram of natural silk was treated, at a goods-toliquor ratio of 1:20, in a bath of 25 C. containing, in 20 liters of soft water, grams of a condensation product of oleic acid and methyl-taurine, 40 grams of a dispersing agent containing 16 percent of a condensation product of partially decomposed casein and palm-kernel fatty acid and 8% of a condensation product of a-ethylhexyl-chlorocarbonic acid ester and sodium a-ethylhexyl-taurate, and
  • the bath was allowed to circulate for a further 40 minutes, the liquor was discharged and then the silk was rinsed and washed for 15 minutes with a liquor of 60 C. containing 1 gram/liter of a condensation product of oleic acid and methyl-taurine. Subsequently, the dyed silk was again rinsed and dried. A full red dyeing was obtained having good properties of fastness.
  • EXAMPLE 4 l kilogram of viscose staple fiber was treated, at a goods-to-liquor ratio of 1:20, in a bath of 25 C. containing, in 20 liters of soft water, 10 grams of a condensation product of oleic acid and methyl-taurine, 40 grams of purified sulfite cellulose waste liquor and 74 cc. of sodium hydroxide solution of 32.5% strength as well as 12 grams of 1-(2',3'-hydroxy-naphthoylamino)- naphthalene, dissolved in 18 cc. of denatured alcohol, 6 cc. of sodium hydroxide solution of 32.5% strength, 18 cc. of water and 12 cc.
  • alkali binding agent is an inorganic or organic acid, an acid alkali metal salt or mixtures thereof.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coloring (AREA)
US114387A 1967-05-18 1971-02-10 Process for the production of water-insoluble azo dyestuffs on textile material of cellulose or protein fibers Expired - Lifetime US3697216A (en)

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DEF0052448 1967-05-18

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US (1) US3697216A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (1) AT280203B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BE (1) BE715422A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (2) CH724168A4 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR1565972A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1189243A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL6806152A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082503A (en) * 1975-08-05 1978-04-04 Hoechst Aktiengesellschaft Process for the production of water-insoluble azo dyestuffs on the fiber
US4183727A (en) * 1976-06-05 1980-01-15 Hoechst Aktiengesellschaft Process for the production of water-insoluble azo dyestuffs on the fiber
US4318848A (en) * 1977-01-05 1982-03-09 Bayer Aktiengesellschaft Process for the neutralization of basic reaction compositions

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4082503A (en) * 1975-08-05 1978-04-04 Hoechst Aktiengesellschaft Process for the production of water-insoluble azo dyestuffs on the fiber
US4183727A (en) * 1976-06-05 1980-01-15 Hoechst Aktiengesellschaft Process for the production of water-insoluble azo dyestuffs on the fiber
US4318848A (en) * 1977-01-05 1982-03-09 Bayer Aktiengesellschaft Process for the neutralization of basic reaction compositions

Also Published As

Publication number Publication date
CH505249A (de) 1970-12-15
DE1619527B2 (de) 1975-12-11
BE715422A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-11-20
FR1565972A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1969-05-02
DE1619527A1 (de) 1971-03-11
AT280203B (de) 1970-04-10
NL6806152A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-11-19
CH724168A4 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-12-15
GB1189243A (en) 1970-04-22

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