US501156A - Oscar ostersetzer - Google Patents

Oscar ostersetzer Download PDF

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US501156A
US501156A US501156DA US501156A US 501156 A US501156 A US 501156A US 501156D A US501156D A US 501156DA US 501156 A US501156 A US 501156A
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oscar
ostersetzer
grains
red
print
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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
    • D06P5/00Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/15Locally discharging the dyes
    • D06P5/155Locally discharging the dyes with reductants

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  • the object of this invention is to overcome this difficulty by developing the red on the fiber.
  • red in its various shades but also yellow, orange, brown and other shades can be produced.
  • This invention may be carried out as follows: Recently a series of direct dyeing cotton-dyes have been found, which can be diazotized on the fiber and developed to new dyestuffs, which latter not only differ in shade .from the original dyeing, but also show a greater resistance to the actions of light, alkalies and acids.
  • These dyestuffs belong to two diiferent groups, the first one of which is characterized by the dyestuff, named primuline, (thiochromogene, polychromine,) the second one by diamineblack (diamineblueblack, Nyanza or tabora-black, diazurine, diazochromine). The first one of these groups is distinguished from the second one by its resistance against reducing agents.
  • both the printed and the bottom colors can be perfectly fixed.
  • developers I particularly name the following: phenole, resorcine, betanaphthol, Schaefferacid, ethylebeta -naphthylamine, phenylenediamine.
  • the goods After steaming, in order to remove the zinc-dust, which would impair the formation of the new azodye, the goods are passed through diluted muriatic acid and then diazotized in a cold solution containing three hundred grains nitrite of soda and one liter muriatic acid of 21 Baum to two hundred liters water. Then the goods are entered in a bath containing four hundred grains of betanaphthol dissolved in one
  • the thus produced patterns are of great fastness to washing and acids, but less fast to light than the known turkey red-indigo fabrics, against which my method has the advantage of cheapness.

Description

NITED STATES PATENT OFFIoE.
OSCAR OSTERSETZER, OF SAGAN, GERMANY.
PRINTING COTTON FABRICS.
SPECIFICATION forming part of Letters Patent No. 501,156, dated July 11, 1893.
Application filed February 17, 1893.
To a/ZZ whom it may concern: Be it known that I, OscAR Osrnesnrznn, subject of the Emperor of Austria-Hungary, and a resident of Sagan, Austria-Hungary, have invented certain new and useful Improvements in Methods of Discharging Red and other Azo Colors on Direct-Dyeing Cotton Dye-Stuffs, of which the following is a specification.
On account of the brilliancy of red-azodyes it has for a long time been tried to print the same with a discharge on bottoms dyed with so-called aniline colors, but this has hitherto not been possible, because all azodyos are destroyed by the means which are used for discharging the bottom.
The object of this inventionis to overcome this difficulty by developing the red on the fiber. Thus not only red in its various shades but also yellow, orange, brown and other shades can be produced.
This invention may be carried out as follows: Recently a series of direct dyeing cotton-dyes have been found, which can be diazotized on the fiber and developed to new dyestuffs, which latter not only differ in shade .from the original dyeing, but also show a greater resistance to the actions of light, alkalies and acids. These dyestuffs belong to two diiferent groups, the first one of which is characterized by the dyestuff, named primuline, (thiochromogene, polychromine,) the second one by diamineblack (diamineblueblack, Nyanza or tabora-black, diazurine, diazochromine). The first one of these groups is distinguished from the second one by its resistance against reducing agents. It therefore a printing paste which contains a dyestuff of the first group and a reducing agent is applied to a tissue dyed with a dyestuff of the second group, this latter after steaming will disappear on the printed spots while simultaneously the first. one is fixed on these spots, and a pattern can thus be produced, which however does not possess the usually desired fastness to washing. Whereas however such dyestufis are selected which by the well known method may be further diazotized and developed to shades fast to Washing, it results that by passing the goods through nitrite of soda Serial No. 462,762. (No specimens.)
and then through a bath containing a suitable phenole or amine, both the printed and the bottom colors can be perfectly fixed.
As developers I particularly name the following: phenole, resorcine, betanaphthol, Schaefferacid, ethylebeta -naphthylamine, phenylenediamine.
On bottoms dyed as above mentioned I ob tain by developing with betanaphthol-turkey red print on blue ground; by developing with Schaeffer acidscarlet print on blue ground; by developing with ethyle betanaphthylamineolaret red print on blue ground. By developing diamine black I obtain with phenylenediamine-red print on black ground; resorcine-orange print on black ground.
I give the following examples:
Ewample I.Turkey red shade on darkblue by means of betanaphthol. I dye for instance with five per cent. diamine blueblack E with the usual addition of glaubersalt and soda and then I print thereon the following printing paste: five hundred grains primuline, one thousand grains dextrine, two thousand grains water, twelve hundred grains zinc-dust, nine hundred grains bisulphite 30, one hundred and twenty grains glycerine, eighty grains ammonia. Then I steam during one hour. After steaming, in order to remove the zinc-dust, which would impair the formation of the new azodye, the goods are passed through diluted muriatic acid and then diazotized in a cold solution containing three hundred grains nitrite of soda and one liter muriatic acid of 21 Baum to two hundred liters water. Then the goods are entered in a bath containing four hundred grains of betanaphthol dissolved in one The thus produced patterns are of great fastness to washing and acids, but less fast to light than the known turkey red-indigo fabrics, against which my method has the advantage of cheapness.
What I claim as new, and desire to secure by Letters Patent, is-
The process of printing cotton fabrics which are dyed with a diazotizabie a'zo dye-stuif, such as diamine black, by means of a printing color consisting of a diazotizable but not reducible dye-stuff such as prirnuline, and a reducing agent, and 0f devolopin g the printed design by steaming, passing through an acidulated bath of nitrite of soda and passing through a second bath which contains a pile n01 or an amine, substantially as herein described.
In testimony that I claim the foregoing as my invention I have signed my name, in pres ence of two witnesses, this 22d day of January, 1893. v
OSCAR OSTERSETZER.
Witnesses:
ADOLF DEMUTH, O'rcro GOLDSCHMIEDT.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100258567A1 (en) * 2007-07-17 2010-10-14 Colin Gibert Tobeck and Rosalie Bernadette Tobeck as Trutees of the Progressive Endeavours Trust Fluid receiver with one-way check valve at inlet port

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100258567A1 (en) * 2007-07-17 2010-10-14 Colin Gibert Tobeck and Rosalie Bernadette Tobeck as Trutees of the Progressive Endeavours Trust Fluid receiver with one-way check valve at inlet port

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