EP0167711B1 - Procédé d'impression à réserve - Google Patents

Procédé d'impression à réserve Download PDF

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Publication number
EP0167711B1
EP0167711B1 EP85103508A EP85103508A EP0167711B1 EP 0167711 B1 EP0167711 B1 EP 0167711B1 EP 85103508 A EP85103508 A EP 85103508A EP 85103508 A EP85103508 A EP 85103508A EP 0167711 B1 EP0167711 B1 EP 0167711B1
Authority
EP
European Patent Office
Prior art keywords
reserve
resist
optionally substituted
naphthol
printing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP85103508A
Other languages
German (de)
English (en)
Other versions
EP0167711A2 (fr
EP0167711A3 (en
Inventor
Heinz Dr. Gutjahr
Diderik Fentener Von Vlissingen
Herbert Dipl.-Ing. Wigger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
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Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of EP0167711A2 publication Critical patent/EP0167711A2/fr
Publication of EP0167711A3 publication Critical patent/EP0167711A3/de
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Publication of EP0167711B1 publication Critical patent/EP0167711B1/fr
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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/12—Reserving parts of the material before dyeing or printing ; Locally decreasing dye affinity by chemical means

Definitions

  • the invention relates to a method for producing reserve prints on cellulose fiber materials using so-called naphthol combinations and / or reactive dyes, the generation of colored reserve effects using pigment dyes being particularly preferred.
  • Non-volatile organic acids such as citric acid are usually used as reservation agents. Milk-. Tartaric acid and the like used (cf. "Ullmanns Encyklopadie der technical chemistry”. 4th edition. Volume 22. page 603).
  • the acids mentioned can trigger a premature crosslinking reaction of the pigment binder after their addition, which results in clogging of the rotary or planographic printing stencils and a deterioration in the fastness to rubbing.
  • Suitable substituents for the phenyl radicals are Cl, C 1 -C 4 alkyl, C 1 -C 4 alkoxy and in particular sulfo.
  • the pyrazolone salts used as reservation agents are preferably not used as such, but are instead prepared in the preparation of the reserve pastes by combining the free pyrazolone sulfonic acid or carboxylic acid with preferably excess amine or ammonia, a pH value automatically setting above 7.
  • heat-volatile amines in particular mono-, di- and tri-alkanolamines such as triethanolamine, isopropanolamine, diethylaminoethanol.
  • Naphthol combination is understood to mean those types of development dyes which are derived from phenolic or enolic coupling components, in particular the Naphthol-AS series and stabilized diazonium salts ("true color salts").
  • Stabilized diazonium salts include, in particular, fast color salts which contain zinc chloride, aromatic sulfonic acids or tetrafluoroboric acid as stabilizers.
  • the stabilized diazonium salts were either used as aqueous pastes or converted into aqueous diazonium salt solutions before the coupling reaction.
  • aqueous ammonia which has a pH of 8-13, preferably 9-10
  • pigment binders all commercially available pigment binders and mixtures thereof - but preferably acrylate binders are suitable
  • defoamers z B. admixed silicone types.
  • the printing paste produced in this way is now suitable for producing a wide variety of reserve effects.
  • the reserve paste prepared as above is impregnated or printed onto the goods prepared with those coupling components and overprinted with diazonium salts.
  • the coupling component creates a water-insoluble azo dye, which is anchored in the cotton capillaries.
  • a water-soluble azo dye is formed by reaction of the reservation agent with the diazonium salt. After printing is dried (up to 150 ° C) and by a 1-10 min. Hot air treatment fixed at 150 ° C. The ammonia is split off from the pyrazolonic acid salt during hot air fixation. The remaining pyrazoleic acid enables the crosslinking of the binder and crosslinker due to its acidic character.
  • the diammonium phosphate (or ammonium sulphate) present in the reserve paste is only added in order to create a somewhat more acidic pH and thus an even more favorable prerequisite for the optimal crosslinking reaction of the binder or crosslinker.
  • the urea improves the running properties of the reserve pastes on the printing press: the crosslinker improves the rub fastness of the finished prints, and the silicone defoamer prevents foaming in the reserve pastes.
  • the prints are soaped at the boil with 1-2 g / l soap and 1-5 g / l soda or 1-5 g / l sodium hydroxide solution, rinsed cold and dried.
  • the reserve printing paste preferably contains about 1 to 30 g / 1000 g printing paste of a non-volatile organic acid, such as, for. B. citric acid.
  • Pigment dye is visible where the reserve was printed under the diazonium salt and reactive dye.
  • a) white reserve prints are obtained under stabilized diazonium compounds or diazotized real bases on cellulose materials pretreated with naphthol AS coupling components as follows: Cellulose is first padded with the coupling components or printed over the entire surface and dried. An ammoniacal (pH 8-10) printing paste containing a pyrazolonic acid is then printed in a pattern. Thereupon, either a) drying, padding with a customary diazonium salt solution and drying, or b) wet-on-wet in a sample or over the entire area in the same operation one or more printing pastes printed over the white reserve, which contain a customary stabilized diazonium salt or diazotized real bases, and dried. It is then soaped at boiling alkaline, rinsed and dried.
  • the white reserve is printed under diazonium salt, the white reserved areas are visible.
  • White reserve prints under reactive dyes on white cellulose material are obtained by pattern-wise printing of an ammoniacal (pH 8-10) reserve printing paste.
  • White reserve prints under stabilized diazonium compounds or diazotized real bases and reactive dyes on cellulose materials pretreated with naphthol-AS coupling components are obtained as follows; Cellulose is first padded with the coupling components or printed over the entire surface and dried. a reserve printing paste as described above is then printed in a pattern. Thereafter, either a) dried, padded with a customary reactive dye or diazonium salt-containing solution and dried, or b) wet-on-wet one or more printing pastes with stabilized diazonium salts and reactive dyes are overprinted and dried in the same operation, and the process is then completed as usual.
  • Suitable cellulose-containing materials are in particular cotton, viscose or rayon.
  • a cotton fabric primed with 10-20 g of Naphthol AS is coated with a printing paste of the following composition on the rotary film printing machine in small-area patterns, e.g. B. Dots or leaf contours, printed:
  • a larger stencil is over-printed on the pre-printed reserve ink with a second stencil using a printing paste of the following composition:
  • the dried pressure is 3 min. fixed at 150 ° C with hot air, then soaped at the boil in a bath that contains 1 - 2 g / l soap and 1 - 5 g soda or the same amount of sodium hydroxide solution 38'Be and rinsed cold in another bath and then dried.
  • a cotton fabric primed with 10-20 g of Naphthol AS is printed with a printing paste of the following composition on the rotary machine in small-area patterns, e.g. B. Dots or leaf contours, printed:
  • the cotton fabric After drying, the cotton fabric is 5 min. fixed at 150 ° C with hot air.
  • the cotton fabric is then washed out and dried in a manner analogous to that described in Example 1. You get gold-colored reserve effects under bordeaux-colored overprint.
  • the cotton fabric After drying, the cotton fabric is 1 min. fixed at 180 ° C with hot air.
  • a yellow reserve effect is obtained under a dark blue, orange and red area.
  • a printing paste of the following composition is printed on white (that is, on cotton fabric not primed with naphthol:
  • the cotton fabric After drying, the cotton fabric is 1 min. fixed at 180 ° C with hot air.
  • a cotton fabric primed with 10 - 20 g Naphthol AS-G is printed with reserve pastes of the following composition on the rotary film printing machine:
  • the cotton is 3 min. fixed at 150 ° C with hot air.
  • a cotton fabric primed with 10 - 20 g Naphthol AS is printed with reserve pastes of the following composition on the rotary film printing machine:
  • the cotton fabric is 3 min. fixed at 150 ° C with hot air.
  • a cotton fabric primed with 10-20 g of Naphthol AS is coated with a printing paste of the following composition on the rotary film printing machine in small-area patterns, e.g. B. Dots or leaf contours, printed:
  • a larger stencil is overprinted with a second stencil over the pre-printed white reserve using a printing paste of the following composition:
  • the dried pressure is soaped at the boil in a bath containing 1-2 g / l soap and 1-5 g / l soda or the same amount of sodium hydroxide solution 32.5%, and rinsed cold in a further bath and then dried.
  • a white reserve print is obtained under a brown area.
  • printing pastes of the following composition are printed wet-on-wet on white (ie on naphthol-primed) cotton goods over the reserve paste.
  • the cotton fabric After drying, the cotton fabric is 1 min. fixed at 180 ° C with hot air. It is then boiled in a bath with 1 - 2 g / 1 soap (neutral) and rinsed cold in another bath and then dried.
  • a white reserve effect is obtained under a dark blue area.
  • a cotton fabric primed with 10-20 g of Naphthol AS-G is printed with a white reserve paste of the following composition on the rotary film printing machine.
  • the cotton fabric is 3 min. fixed at 150 ° C with hot air.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Coloring (AREA)

Claims (6)

1. Procédé de production d'impressions avec réserve sur des matières constituées de fibres cellulosiques avec utilisation de combinaisons aux naphtols et/ou de colorants réactifs, caractérisé en ce qu'on utilise comme agents de réserve des sels d'ammonium ou des sels volatils d'amines de pyrazolones contenant des groupes sulfo et/ou carboxyle.
2. Procédé suivant la revendication 1, caractérisé en ce qu'on utilise des pyrazolones de formule
Figure imgb0053
dans laquelle
Rl est un groupe alkyle en C1 à C4 éventuellement substitué ou un groupe-phenyle éventuellement substitué,
R2 est un groupe alkyle en C1 à C4 éventuellement substitué, CN, COOH, carboxamide éventuellement substitué ou phényle éventuellement substitué,
R, et/ou R2 présentant au moins un groupe sulfo ou carboxy.
3. Procédé suivant la revendication 1, caractérisé en ce qu'on utilise comme pyrazolone:
Figure imgb0054
4. Procédé suivant la revendication 1, caractérisé en ce qu'on produit des effets multicolores de réserve à l'aide de pâtes pigmentaires d'impression avec réserve.
5. Procédé suivant les revendications 1 à 4, caractérisé en ce que les pâtes d'impression avec réserve utilisées ont un pH de 8 à 13, de préférence de 9 à 10.
6. Procédé suivant la revendication 1 ou 5, caractérisé en ce que les pâtes alcalines d'impression avec réserve contiennent en outre des acides inorganiques ou organiques non volatils.
EP85103508A 1984-07-12 1985-03-25 Procédé d'impression à réserve Expired EP0167711B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19843425703 DE3425703A1 (de) 1984-07-12 1984-07-12 Reservierungsmittel fuer die herstellung von reservedrucken auf cellulosehaltigen fasermaterialien
DE3425703 1984-07-12

Publications (3)

Publication Number Publication Date
EP0167711A2 EP0167711A2 (fr) 1986-01-15
EP0167711A3 EP0167711A3 (en) 1987-08-26
EP0167711B1 true EP0167711B1 (fr) 1989-03-08

Family

ID=6240484

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85103508A Expired EP0167711B1 (fr) 1984-07-12 1985-03-25 Procédé d'impression à réserve

Country Status (3)

Country Link
EP (1) EP0167711B1 (fr)
DE (2) DE3425703A1 (fr)
OA (1) OA08061A (fr)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3111966A1 (de) * 1981-03-26 1982-10-07 Bayer Ag, 5090 Leverkusen Reservedruckverfahren

Also Published As

Publication number Publication date
DE3425703A1 (de) 1986-01-16
DE3568602D1 (en) 1989-04-13
EP0167711A2 (fr) 1986-01-15
EP0167711A3 (en) 1987-08-26
OA08061A (fr) 1987-03-31

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