US1821476A - Dyeing fibbqtts materials - Google Patents

Dyeing fibbqtts materials Download PDF

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US1821476A
US1821476A US1821476DA US1821476A US 1821476 A US1821476 A US 1821476A US 1821476D A US1821476D A US 1821476DA US 1821476 A US1821476 A US 1821476A
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dyeing
sulfonic acid
materials
carbon atoms
fibbqtts
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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
    • D06P1/02General 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 azo dyes
    • D06P1/04General 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 azo dyes not containing metal
    • D06P1/06General 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 azo dyes not containing metal containing acid groups
    • 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
    • Y10S516/00Colloid systems and wetting agents; subcombinations thereof; processes of
    • Y10S516/01Wetting, emulsifying, dispersing, or stabilizing agents
    • Y10S516/03Organic sulfoxy compound containing

Description

Patented Sept. 1, 1931 UNITED STATE;
P'EENT FFICE MESN E ASSIGNMENTS, CORPORATION OF DELAWARE TO GENERAL ANILINE WORKS, INC., OF NEW YORK, N. Y., A
DYEIN G FIBR'OUS MATERIALS N0 Drawing. Application filed October 16, 1925, Serial No. 62,932,
I have found that the treatment of fibrous materials with dyeing liquors is considerably improved if the dyeing liquors are prepared with an addition of a small quantity of sulfonic acids of such aromatic hydrocarbons as contain alkyl groups with more than two carbon atoms, especially of naphthalene and similar hydrocarbons with several benzene rings containing propyl orv butyl (normal or iso) groups.
The term fibrous materials is employed in a broad way including all textile fibres, for example wool. cotton, natural and artificial silk and the like, also ute, straw, paper, leather, hides, furs,- feathers and the like. and the dyeing process is the usual one which is carried out in a dyeing liquor as contrasted with the little usual dyeing in the lather.
The said sulfonic acids enable the fibrous materials to be wetted very rapidly in an excellent manner and make it unnecessary to apply any special boiling operation to the goods before introducing them into the dyebath. The said sulfonic acids have the advantage of being insensitive to acids or hard water. Consequently they can be employed not only in alkaline or neutral dyebaths but also in acid baths. In any case very uniform dyeiugs are produced even with dyestuffs which make this very ditficult when dyed in the usual Way.
The sulfonic acids may be employed as such or in the state of their salts. Sonictimes it may be advantageous to use the free sulfonic acids or their salts in mixture with aliphatic alcohols, especially the higher members of this group that is to say such as contain more than 3 carbon atoms.
The following examples will more fully explain the manner of carrying the invention into practice which, however, I do not wish to limit in any Way to these examples. The numbers after the trade names of the dye stuffs employed correspond to those of the Color Index, 1st edition, 1924.
Example 1 A piece of woollen cloth is introduced into a lukewarm dyebath prepared from 0.6 per cent of Cyananthrol BGA (1077), 0.6 per and in Germany October 30, 1924.
cent of Azoflavine FF (147), 0.2 per cent of Sorbine Red (54.), 10 per cent of Glaubers salt, 2 to 3 per cent of sulfuric acid of 66 degrees Baum and2 per cent of isopropylated naphthalene sulfonic acid, sodium salt, and stirred for about 10 minutes. The bath is then heated to the boil in the course of A to hour and after being kept boiling for one hour it is allowed to cool. The goods are then well rinsed.
Or the goods, for example hats in a half planked state, carbonized or impure, are \vettcd in the evening before dyeing by handling for half an hour at 70 degrees centigrade in a bath containing 0.5 per cent of isopropylated naphthalene sulfonic acid, sodium salt, left in the bath during the night and dyed in the next morning in the above described manner with an addition of 0.5 per cent of the said sulfonic acid sodium salt, 20 per cent of Glaubers salt and the necessary quantity of acid to the dyebath.
If instead of the sodium salt the free sulfonic acid is employed, the sulfuric acid may be left out Wholly or partly.
Example 2 Unboile-d, raw cotton yarn is directly introduced at 50 degrees to degrees centigrade into a dyebath containing 10 per cent of Indanthrene Blue RS (1106) and, in each litre, 12 cubic centimetres of caustic soda lye of 40 degrees Baum, 1.5 grams of dry sodium hydrosulfite and 2 to 4 grams of isopropylated naphthalene sulfonic acid, sodium salt, dyed for 4 to 1 hour as usual with indanthrene dyestuffs and finished by rinsing and soaping in a boiling bath.
Example 3 Unboiled, raw cotton troduced into a boiling dyebath prepared from 3 per cent of ()xamine Blue B (515) and, in each litre, 10 grams of Glaubers salt and 1 to 3 grams of isopropylated naphtha-- lcne sulfonic acid, sodium salt. The goods are dyed for 1 hour in the manner usual for direct dyestufls and finished as usual.
The developing of dyestuffs on the fibrous materials may be effected in a similar manner.
yarn is directly ininstead of the sodium salt oi isopropylated iaphthalene sulfonic acid, other soluble salts r the free acids or butylated naphthalene mlfonic acid or their salts may be employed.
I claim:
1. A composition of matter suitable for :lyeing fibrous materials, comprising an aligathic alcohol and a naphthalene sulfonic acid containing at least one alkyl group with more than two'carbon atoms.
2. A composition ofimatter suitable for dyeing fibrouamaterials, comprising an alipathie alcohol with more than three carbon atoms and a naphthalene sulfonic acid containing at least one alkyl group with more than two carbon atoms.
3. Baths, suitable for dyeing which are characterized in addition to the content of a. coloring matter by an addition of a sulfonic acid of an aromatic hydrocarbon containing in the nucleus at least one alkyl group with more than" 2 carbon atoms and of an aliphatic alcohol. t r
4. Baths, suitable for dyeing which are characterized in additionto the content of a coloringmatter by an addition of a naphthalene sulfonic acid containing in the nucleus at least one alkyl group with more than 2 carbon atoms. and of an aliphatic alcohol with more'than three carbon atoms.
5. A composition of matter suitable for dyeing fibrous materials comprising an aliphatic alcohol and a naphthalene sulionic acid containing at least one isopropyl group.
6. A composition of matter suitable for dyeing, fibrous materials comprising an aliphatic alcohol with more than three carbon atoms and a naphthalenefsulfonic acid containingat leastone isopr'opylgroup. V
7. A composition of matter suitable for dyeing fibrous materials comprising an aliphatic alcohol and a naphthalene sulfonic acid containing at least one butylgroup;
8. A composition of matter suitable for dyeing fibrous materials comprising an -aliphatic alcohol with more than three carbon atoms and a'naphthalene sulfonic acid containing at least one butyl group.
In testimony whereof I have hereunto set my hand.
JOSEPH fissLiiIN.
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