US2131320A - Printing with mordant dyestuffs - Google Patents

Printing with mordant dyestuffs Download PDF

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Publication number
US2131320A
US2131320A US123726A US12372637A US2131320A US 2131320 A US2131320 A US 2131320A US 123726 A US123726 A US 123726A US 12372637 A US12372637 A US 12372637A US 2131320 A US2131320 A US 2131320A
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United States
Prior art keywords
printing
mordant
lactate
chromium
thickening
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Expired - Lifetime
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US123726A
Inventor
Gubler Emil
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Firm Durand & Huguensin S A Ba
Firm Durand & Huguensin S A Basel
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Firm Durand & Huguensin S A Ba
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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
    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/36General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using mordant dyes ; using metallisable dyes
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/916Natural fiber dyeing
    • Y10S8/917Wool or silk

Definitions

  • the principal advantage of the processes is to be found in the fact that the soft feel and the lustre of the fibre, which in the absence of the lactate group, owing to coagulation of thearabic gum thickening in presence of the chromium mordant, would suffer, are retained. According to a particularly advantageous form of the processes chromium lactate is used.
  • the processes may also be combined with advantage with the process of U. S. Patent No. 1,848,589, according to which urea is also used in the printing paste.
  • the present invention relates to an improvement whereby the treatment with lukewarm water is rendered unnecessary, and a completely soft feel of the fibres is attained by simply washing the printed material with cold water after steaming.
  • the printing paste sodium tartrate or, in general, an alkali salt of an aliphatic oXy acid such as tartaric acid, lactic acid, glycollic acid and so on.
  • chromium' lactate is used in the known process the present invention may be carried into effect by adding an alkali lactate, alkali tartrate or alkali glyco1- late to the printing paste in addition to chromium lactate.
  • Example 2 the duration of the steaming can be appreciably shortened by increasing the quantity of urea to 100 grams.
  • Sodium lactate or sodium glycollate can be used instead of sodium tartratein the foregoing examples with similar effect.
  • the invention may also be applied in printing fabrics of other artificial silks, such as fabrics of cuprammonium artificial silk.
  • a printing paste containing a mordant dyestufi, a gum arabic thickening, a chromium mordant having Cr in the cation in the presence of a lactate groupand an alkali salt of an aliphatic hydroxy acid As a new composition of matter, a printing paste containing a mordant dyestufi, a gum arabic thickening, a chromium mordant having Cr in the cation in the presence of a lactate groupand an alkali salt of an aliphatic hydroxy acid.
  • a printing paste containing a mordant dyestufi, a gum arabic thickening, chromiumlactate and an alkali salt of an aliphatic hydroxy acid 4.
  • a printing paste containing a mordant dyestuif, a gum arabic thickening, chromium lactate and sodium tartrate 4.

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

Description

Patented Sept. 27, 1938 PRINTING WITH MORDANT DYESTUFFS Emil Gubler, Basel, Switzerland, assignor to the firm Durand & Huguensin S. A. Basel, Switzerland No Drawing. Applicatio rial No. 123,726. In 1936 7 Claims.
In the U. S. patent application Ser. No. 716,001 are described processes for printing with mordant dyestuffs (chrome dyestuffs) on fabrics of animal fibres, namely natural silk, and on fabrics of regenerated cellulose such as viscose artificial silk, cuprammonium artificial silk and so on, in which the printing pastes used contain the mordant dyestuff, gum arabic thickening and a chromium mordant, having Cr in the cation in the presence of a lactate group. The principal advantage of the processes is to be found in the fact that the soft feel and the lustre of the fibre, which in the absence of the lactate group, owing to coagulation of thearabic gum thickening in presence of the chromium mordant, would suffer, are retained. According to a particularly advantageous form of the processes chromium lactate is used. The processes may also be combined with advantage with the process of U. S. Patent No. 1,848,589, according to which urea is also used in the printing paste.
According to the hitherto usual procedure, after the prints thus prepared have been steamed they must be washed first with cold Water and then with lukewarm water at about 40-50 C. in order that the fibres may have the desired soft feel. This procedure involves certain disadvantages. For example, if basic dyestuifs are printed on the material together with the chrome dyestuffs, the prints of the basic dyestuffs are damaged by the treatment with lukewarm water and bleed. Moreover, the apparatus necessary for the treatment is not available in all silk printing works.
The present invention relates to an improvement whereby the treatment with lukewarm water is rendered unnecessary, and a completely soft feel of the fibres is attained by simply washing the printed material with cold water after steaming. For this purpose in accordance with the invention there is added to the printing paste sodium tartrate or, in general, an alkali salt of an aliphatic oXy acid such as tartaric acid, lactic acid, glycollic acid and so on.
If, as has hitherto been preferable, chromium' lactate is used in the known process the present invention may be carried into effect by adding an alkali lactate, alkali tartrate or alkali glyco1- late to the printing paste in addition to chromium lactate.
11 February 2, 1937, Se- Germany February 11,
The following examples illustrate the invention:
The following printing pastes are prepared:
Example l 2 3 Ohromocitronine R (Schultz, Farbstofltabel- Grams Grams Grams tabellen 7th Edn, N0. 999) -l 30 Dyestuil according to Example 1 of German Specification No. 156234.. l. 30 Water 232 192 152 Formic acid (807) 30 .l Phenol l l 30 Furfuryl alcohol 10 Sodium tartrate cryst 30 30 30 Gum arabic thickening (1 1) 610 610 610 Chromium lactate (14.7% OM 38 38 38 Urea 60 60 100 25% solution of hydrosulphite NF The paste is printed on natural silk or viscose artificial silk, and the material is steamed for 45 minutes, then washed with cold water and dried. There are obtained respectively yellow, blue and orange prints whilst the fibre has an unobjectionable soft feel.
In the case of Example 2 the duration of the steaming can be appreciably shortened by increasing the quantity of urea to 100 grams.
Sodium lactate or sodium glycollate can be used instead of sodium tartratein the foregoing examples with similar effect.
The invention may also be applied in printing fabrics of other artificial silks, such as fabrics of cuprammonium artificial silk.
What I claim is:--
1. In a process of steam printing with chromium mordant dyestuffs on lustrous fibres, including natural silk and regenerated cellulose fibre, such as viscose or cuprammonium artificial silk, an improvement consisting in printing the material with a paste containing the mordant dyestuff, a gum arabic thickening, a chromium mordant having Cr in the cation in the presence of a lactate group, and an alkali salt of an aliphatic hydroxy acid, thereby obviating the formation of a harsh feel, uneven dyeing and loss of lustre on the imprinted parts.
2. In a processor steam printing with chromium mordant dyestuffs on lustrous fibres, in-
cluding natural silk and regenerated cellulose V fibre such as viscose or cuprammonium artificial silk, an improvement consisting in printing the material with a paste containing the mordant dyestufi, a gum arabic thickening, chromium lactate, and an alkali salt of an aliphatic hydroxy acid, thereby obviating the formation of a harsh feel, uneven dyeing and loss of lustre on the imprinted parts.
3. As a new composition of matter, a printing paste containing a mordant dyestufi, a gum arabic thickening, a chromium mordant having Cr in the cation in the presence of a lactate groupand an alkali salt of an aliphatic hydroxy acid.
4. A printing paste containing a mordant dyestufi, a gum arabic thickening, chromiumlactate and an alkali salt of an aliphatic hydroxy acid.
5. A printing paste containing a mordant dyestuif, a gum arabic thickening, chromium lactate and sodium tartrate.
6. A printing'paste containing a mordant dyestuff, a gum arabic thickening, chromium lactate and sodium glycollate.
7 A printing paste containing a mordant dyestuff, a gum arabic thickening, chromium lactate and sodium lactate.
EMIL GUBLER.
US123726A 1936-02-11 1937-02-02 Printing with mordant dyestuffs Expired - Lifetime US2131320A (en)

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DE2131320X 1936-02-11

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456471A (en) * 1944-02-17 1948-12-14 Durand & Huguenin Ag Process and paste for printing fabrics made of cellulose, such as textile fabrics, paper and the like, with chromium mordant dyestuffs

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2456471A (en) * 1944-02-17 1948-12-14 Durand & Huguenin Ag Process and paste for printing fabrics made of cellulose, such as textile fabrics, paper and the like, with chromium mordant dyestuffs

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