US1942774A - Printing silk with chrome dyestuffs - Google Patents

Printing silk with chrome dyestuffs Download PDF

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Publication number
US1942774A
US1942774A US637213A US63721332A US1942774A US 1942774 A US1942774 A US 1942774A US 637213 A US637213 A US 637213A US 63721332 A US63721332 A US 63721332A US 1942774 A US1942774 A US 1942774A
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United States
Prior art keywords
chrome
printing
urea
dyestuffs
silk
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Expired - Lifetime
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US637213A
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Roulet Jean-Jacques
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Firm Durand & Huguenin S A
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Firm Durand & Huguenin S A
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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
    • D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02—Material containing basic nitrogen
    • D06P3/04—Material containing basic nitrogen containing amide groups
    • D06P3/046—Material containing basic nitrogen containing amide groups using metallisable or mordant dyes
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S8/00—Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers
    • Y10S8/916—Natural fiber dyeing
    • Y10S8/917—Wool or silk

Definitions

  • Chrome dyestuffs have been used inprinting silk only to a limited extent, owing to. the fact that gum thickening, which otherwise is the most suitable for silk, cannot be used, because 5 in presence of chromium salts, for instance chromium acetate, coagulation occurs during the steaming and the printed parts become harsh. Subsequent rinsing or soaping does not remove this drawback, the silk retains a harsh feel and, besides, the printed parts lose their lustre. In such cases one is therefore compelled to use British gum or dextrin as the thickening, which, it is true, does not involve said drawback, but gives less full and less sharp prints. If the chrome dyestuffs are printed with the aid of gum but without a chrome mordant, prints are obtained which are not of harsh feel, but, as it is well known, this mode of operating yields shades which are lacking in fastness.
  • chrome dyestuffs can be printed on natural silk; even when gum thickening is used, without encountering the above mentioned drawbacks, like harsh feel or loss of lustre, if there. be added to the printing paste a soluble sulphocyanide, an aliphatic polyalcohol or a substitution product thereof, such as glycerine, glycol, monoethylglycol or acetyl' glycerine, and also a body of the urea-group,
  • Silk is printed with this printing colour, dried, steamed'for 1 hour under light steam pressure (0.2-0.3 atm.), rinsed in cold water and finally washed carefully in tepid water at 40 C.
  • the final washing water must be nearly colourless. There is obtained a yellow, golden yellow, orange, red-brown, red, blue, respectively, fast print on the natural silk of faultless feel.
  • the goods are printed with this printing colour
  • ammonium sulphocyanide can be replaced by another soluble sulphocyanide, such as that of potassium, sodium or calcium.
  • the glycerine can be replaced by another aliphatic polyalcohol, such as glycol, thiodiethyleneglycol, diethyleneglycol or a substitution product thereof, 5
  • a process for printing natural silk with chrome dyestuffs, with the aid of gum thickening and a chrome mordant said process producing vivid prints of soft feel and of good fastness and consisting in incorporating in a printing paste a watersoluble salt of hydrosulphocyanic acid, an aliphatic polyalcohol and a body of the urea group and then printing the paste thus prepared on the fabric, whereupon the usual further operations for the purpose specified may follow.
  • a process for printing natural silk with chrome dyestuffs, with the aid of gum thickening and a chrome mordant said process producing vivid prints of soft feel and of good fastness and consisting in incorporating in a printing paste sulphocyanide of ammonium, an aliphatic polyalcohol and a body of the urea group, and then printing the paste thus prepared on the fabric, whereupon the usual further operations for the purpose specified may follow.
  • a process for printing natural silk with chrome dyestuffs, with the aid of gum thickening and a chrome mordant comprising in incorporating in a printing paste a 'watersoluble salt of hydrosulphocyanic acid, glycerine and a body of the urea group and then printing the paste thus prepared on the fabric, whereupon the usual further operations for the purpose specified may follow.
  • a process for printing natural silk with chrome dyestuffs, with the aid of gum thickening and a chrome mordant said process producing vivid prints of soft feel and of good fastness and consisting in incorporating in a printing paste a watersoluble salt of -hydrosulphocyanic acid, an aliphatic polyalcohol and urea and then printing the paste thus prepared on the fabric, whereupon the usual further operations for the purpose specified may follow.

Description

Patented Jan. 9, 1934 UNITED STATES 1,942,774 PRINTING SILK WITH CHROME nrnsrnrrs Jean-Jacques Roulet, Basel, Switzerland, assignor to firm: Durand & Huguenin .S. A., Basel,
Switzerland No Drawing. Application October 10, 1932, Serial No. 637,213, and in Germany October 22,
4 Claims.
Chrome dyestuffs have been used inprinting silk only to a limited extent, owing to. the fact that gum thickening, which otherwise is the most suitable for silk, cannot be used, because 5 in presence of chromium salts, for instance chromium acetate, coagulation occurs during the steaming and the printed parts become harsh. Subsequent rinsing or soaping does not remove this drawback, the silk retains a harsh feel and, besides, the printed parts lose their lustre. In such cases one is therefore compelled to use British gum or dextrin as the thickening, which, it is true, does not involve said drawback, but gives less full and less sharp prints. If the chrome dyestuffs are printed with the aid of gum but without a chrome mordant, prints are obtained which are not of harsh feel, but, as it is well known, this mode of operating yields shades which are lacking in fastness.
It has now been found that chrome dyestuffs can be printed on natural silk; even when gum thickening is used, without encountering the above mentioned drawbacks, like harsh feel or loss of lustre, if there. be added to the printing paste a soluble sulphocyanide, an aliphatic polyalcohol or a substitution product thereof, such as glycerine, glycol, monoethylglycol or acetyl' glycerine, and also a body of the urea-group,
- such as the urea, thio-urea, guanidine. In this manner there are obtained on natural silk intense, vivid prints of soft feel and of a. fastness considerably enhanced as compared with those obtained when no chrome mordant is used. The invention is illustrated by the following examples, the parts being by weight:
Examples Nos. 1-6
Chromocitronine R .(Color Index No. 441) Ohromocitronino 3R (similar to said No. 441) 3 Disazo-dyestufi from paraphenylenc-diaminesulphonic acid and 2 mol. salicyclie acid (see U.S. Patent No. 1,815,827, Ex-
ample 2) 'lrisazddyestnfi, obtained from alkaline oxidation of 4-amino-2-sulphobenzeneazosalicyclic acid (see En rrlish Specification-No. 349,-
. 609, Example 1) Chromorhodine B (Color Index 762) Chromazurine D Index 879) Parts Urea 'Ammonium sulphocyanide Gum thickening (1:1) Solution of chromium acetate (20 Be) q 'OUNDOJM es ovuouwmm The ,dyestufi is made into a paste with water, the glycerine, the urea and the ammonium sulphocyanide, then the thickening is added and the whole is heated upon water-bath until complete dissolution occurs. After cooling down the chrome mordant is added.
Silk is printed with this printing colour, dried, steamed'for 1 hour under light steam pressure (0.2-0.3 atm.), rinsed in cold water and finally washed carefully in tepid water at 40 C. The final washing water must be nearly colourless. There is obtained a yellow, golden yellow, orange, red-brown, red, blue, respectively, fast print on the natural silk of faultless feel.
Examples Nos. 7-10 Ammonium sulphocyan Gum thickening (1:1) 68 Solution of chromium acetate of 20 Be-" 9 The dyestuff is made Pinto a paste with the organic acid, if necessary lwith addition of hydrosulphite solution. Then the glycerine, urea, ammonium sulphocyanide and the thickening are added, and the whole is heated up until dissolution is complete. After cooling down the chrome mordant is added.
The goods are printed with this printing colour,
dried and steamed at a steam-pressure of 0.2-0.3 0
atm. They are then thoroughly washed, first in cold and afterwards in lukewarm water.
In this manner fast blue, marine blue and violet prints are obtained on natural silk. The printed places have the same soft feel as the 5 unprinted parts.
In these examples, similar results are obtained if urea is replaced by another body of the ureagroup, such as thio-urea, guanidine or the like.
The ammonium sulphocyanide can be replaced by another soluble sulphocyanide, such as that of potassium, sodium or calcium. Also the glycerine can be replaced by another aliphatic polyalcohol, such as glycol, thiodiethyleneglycol, diethyleneglycol or a substitution product thereof, 5
such as acetylglycerine, monoethylglycol, di-
ethyleneglycolmonoor di-ethylether. In each case fast prints of good soft feel are obtained.
What I claim is;-
1. A process for printing natural silk with chrome dyestuffs, with the aid of gum thickening and a chrome mordant, said process producing vivid prints of soft feel and of good fastness and consisting in incorporating in a printing paste a watersoluble salt of hydrosulphocyanic acid, an aliphatic polyalcohol and a body of the urea group and then printing the paste thus prepared on the fabric, whereupon the usual further operations for the purpose specified may follow.
2. A process for printing natural silk with chrome dyestuffs, with the aid of gum thickening and a chrome mordant, said process producing vivid prints of soft feel and of good fastness and consisting in incorporating in a printing paste sulphocyanide of ammonium, an aliphatic polyalcohol and a body of the urea group, and then printing the paste thus prepared on the fabric, whereupon the usual further operations for the purpose specified may follow.
3. A process for printing natural silk with chrome dyestuffs, with the aid of gum thickening and a chrome mordant; said process producing vivid prints of soft feel and of good fastness and consisting in incorporating in a printing paste a 'watersoluble salt of hydrosulphocyanic acid, glycerine and a body of the urea group and then printing the paste thus prepared on the fabric, whereupon the usual further operations for the purpose specified may follow. I
4. A process for printing natural silk with chrome dyestuffs, with the aid of gum thickening and a chrome mordant, said process producing vivid prints of soft feel and of good fastness and consisting in incorporating in a printing paste a watersoluble salt of -hydrosulphocyanic acid, an aliphatic polyalcohol and urea and then printing the paste thus prepared on the fabric, whereupon the usual further operations for the purpose specified may follow.
JEAN-JACQUES ROULET,
US637213A 1931-10-22 1932-10-10 Printing silk with chrome dyestuffs Expired - Lifetime US1942774A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416382A (en) * 1941-11-15 1947-02-25 Swiss Firm Of Durand & Hugueni Printing process for the fixation of chrome mordant dyestuffs
US2454623A (en) * 1944-07-28 1948-11-23 Geigy Ag J R Textile chrome-printing compositions and a process for their manufacture
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2416382A (en) * 1941-11-15 1947-02-25 Swiss Firm Of Durand & Hugueni Printing process for the fixation of chrome mordant dyestuffs
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
US2454623A (en) * 1944-07-28 1948-11-23 Geigy Ag J R Textile chrome-printing compositions and a process for their manufacture

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