US2095070A - Dyeing skins or pelts - Google Patents
Dyeing skins or pelts Download PDFInfo
- Publication number
- US2095070A US2095070A US119587A US11958737A US2095070A US 2095070 A US2095070 A US 2095070A US 119587 A US119587 A US 119587A US 11958737 A US11958737 A US 11958737A US 2095070 A US2095070 A US 2095070A
- Authority
- US
- United States
- Prior art keywords
- parts
- pelts
- salt
- dyeing
- skins
- 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 - Lifetime
Links
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
- D06P3/30—Material containing basic nitrogen containing amide groups furs feathers, dead hair, furskins, pelts
- D06P3/305—Material containing basic nitrogen containing amide groups furs feathers, dead hair, furskins, pelts with oxidation dyes
Definitions
- the present invention relates to a new process for dyeing skins and pelts.
- a is H or OH, 1! is vhalogen, nitro, aceto and halogenaceto and R means an aromatic or 30, heterocyclic base.
- the sparingly'water-soluble salts of this kind may be used as dyestuffs for pelts and there are obtained by this means beautiful and strong tints 01' good fastness.
- Example 1 -2 parts of the mixture consisting of parts of the salt made from 4-aceto-1.2-
- Example 3.--2 parts of a mixture conflsting of 40 parts of the salts made from 4-nitro-l.3- dihydroxybenzene and -4-nitro-1.3-diaminobenzene and 60 parts of isopropylnaphthalene sulfonic acid are dissolved in 1000 parts of water 10 and the solution is mixed with 10 parts of a hydrogen peroxide solution of '3 percent. strength.
- a white rabbit skin pre-t'reated with an iron mordant is dyed by this dye under conditions the same as described in Example 2 a clear green 15 yellow.
- Example 6 -2 parts of a mixture consisting 35 of 40 parts of the salt made from 4-bromo-1.2.6- trihydroxybenzene and 2-chloro-L4-diaminobenzene and 60 parts of Turkey red oil are dissolved in 1000 parts of water and the solution is mixed. with 10 parts of a hydrogen peroxide solution of I 40 3 per cent. strength, A white lamb skin previously treated with an iron mordant is dyed a as, for instance, sulfonated hydrocarbons from brown coal tar, sulfonated solar oil, water-soluble condensation products of unsaturated fatty acids with sulfonic acids of aromatic compounds,
- aliphatic alcohol sulfonates or the'like may be used for dissolving or dispersing the salt-like products in question.
- this basic substituent may be a 1.3-
- the process for dyeing skins and peltswhic'h comprisestreating the said materials injabath containing an oxidizing agent, a dispersing agent 50 wherein y is a member of the group consisting of I and a salt-like compound of the general formula V a g. OR
- :r is a member of the g'roup'consi sting of H and OH
- y isfa member of the group'consisting of -halogen,nitro, aceto'and halogenoaceto
- R means thefradi'clefof a baseoi' the group consisting of aminobenzenes, aminonaphthalenes and heterocyclic bases
- 1 is a member of the group consisting of means theradiclelof a base of the group consist- "ing of aminobenzenes, aminonaphthalenes and V heterocyclic bases.
Description
Patented Oct. 5, 1937 UNITED STATES 2,095,070 DYEING sxnvs on PELTS Erich Lehman'n, Priorau, Kreis Bitterfeld, Germany, assignor to General Aniline Works, Inc., New York. N. Y.,' a corporation oi Delaware I No Drawing. Application January 8, 1937; Serial No. 119,587.. In Germany January 24, 1936 I 6 Claims.
The present invention relates to a new process for dyeing skins and pelts.
In my copending application Serial No. 741,876
I have disclosed a. process for dyeing pelts and hairs by treating these materials in a bath containing an oxidizing agent and a salt-like compound of the general formula wherein Ris inter alia a polyhydroxy compound 'of the naphthalene series and R is an unsubstituted or substituted aminophenyl radicle, these compounds being used if necessary in the presenceof a dispersing agent for the purpose of bringing substances of the said lgind which are sparingly, soluble in water into the desired fine state of distribution. I. it 1 Now I have found that th likeeffect saltlike compounds may be' used hich correspond to the general formula z 0H-H:NR i
wherein a: is H or OH, 1! is vhalogen, nitro, aceto and halogenaceto and R means an aromatic or 30, heterocyclic base.
With the help of capillary active substances the sparingly'water-soluble salts of this kind may be used as dyestuffs for pelts and there are obtained by this means beautiful and strong tints 01' good fastness.
The following examples illustrate the invention, the parts being by weight:-
Example 1.--2 parts of the mixture consisting of parts of the salt made from 4-aceto-1.2-
40 dihydroxybenzene and 4-amin'odiphenylamine and 60 parts of a dispersing agent made as described in German specification No.. 436,881 by condensation of a. naphthalene sulfonic acid with benzylchloride, are dissolved in 1000 parts of water and the solution is mixed with 10 parts of hydrogen peroxide of 3 per cent. strength. A white rabbit skin previously prepared with chromium salt which is dyed in this bath for 3 hours at a temperature of 30 C. acquires a green-gray tint which has good fastness to light.
Example 2.2 parts of a mixture consisting of 40 parts of the salt made from 8-aminoquinoline and 4-ch1oro-1.2-dihydroxybenzene and parts of the wetting agent mentioned in Exam- 56 pie 1, are dissolved in 1000 parts of water and thesolution is mixed with 10 parts'o'f hydrogen peroxide solution of 3 per cent. strength. A white lamb skin'pre-treated with potassium bichromate is dyed in this bath for 3 hours-at 30 C. whereby a clear reddish brown is obtained. 5 I
v Example 3.--2 parts of a mixture conflsting of 40 parts of the salts made from 4-nitro-l.3- dihydroxybenzene and -4-nitro-1.3-diaminobenzene and 60 parts of isopropylnaphthalene sulfonic acid are dissolved in 1000 parts of water 10 and the solution is mixed with 10 parts of a hydrogen peroxide solution of '3 percent. strength. A white rabbit skin pre-t'reated with an iron mordant is dyed by this dye under conditions the same as described in Example 2 a clear green 15 yellow. J 1. I
Example 4.2 parts'of a mixture consisting of 40 parts of'the salt made from 5-nit'ro- 1.2.4-
,trihydroxybenzene and 2.4-diaminotoluene and 60 parts of- Turkey red oil'are dissolved in 1000 parts or water and the soluti'onis mixed with 10 parts of hydrogen peroxide solution of 2, per cent. strength, A white lamb skin pre-treated with a chromium mordant is dyed green-brown by this bath. 5 25 Example 5.-2 parts of a mixture consisting of 40 parts of the salt from 1.5-diaminonaphthalene and 4-trichloraceto-l.2-dihydroxybenzene and 60 parts of isopropylnaphthalene sulfonic acid'are dissolved in water and the solution is mixed with -10 parts of a'hydrogen peroxide solution of 3 per cent. strength. .A white rabbit skin pre-treated with a chromium mordant is dyeda i'ull bluish gray tint in this bath.
Example 6.-2 parts of a mixture consisting 35 of 40 parts of the salt made from 4-bromo-1.2.6- trihydroxybenzene and 2-chloro-L4-diaminobenzene and 60 parts of Turkey red oil are dissolved in 1000 parts of water and the solution is mixed. with 10 parts of a hydrogen peroxide solution of I 40 3 per cent. strength, A white lamb skin previously treated with an iron mordant is dyed a as, for instance, sulfonated hydrocarbons from brown coal tar, sulfonated solar oil, water-soluble condensation products of unsaturated fatty acids with sulfonic acids of aromatic compounds,
aliphatic alcohol sulfonates or the'like, may be used for dissolving or dispersing the salt-like products in question. In the examples I have compounds containing other basic components and generally this basic substituent may be a 1.3-
or 1.4-diaminobenzene unsubstituted or substihalogen nitro apeto halogenoaceto and e tuted in the nucleus or in one of-the NH: groups,
furthermore, it may be 1.4-, 1.5-; 2 .4-,' 2.7-di- A aminon'aphthalene, benzidine and their deriv'a- 1 tives. From the heterocyclic series I enumerate 8-amin0quino1ine, 8-amlnoquinaldine, 5.8-di-.
aminoquinoline and 3-aminocarbazole.
What I claim is:-g Y
1. The process for dyeing skins and peltswhic'h comprisestreating the said materials injabath containing an oxidizing agent, a dispersing agent 50 wherein y is a member of the group consisting of I and a salt-like compound of the general formula V a g. OR
wherein :r is a member of the g'roup'consi sting of H and OH, y isfa member of the group'consisting of -halogen,nitro, aceto'and halogenoaceto, andR means thefradi'clefof a baseoi' the group consisting of aminobenzenes, aminonaphthalenes and heterocyclic bases,
2. The process for dyeing skins and pelts which 1 comprises treating the said materials in a'bath containing an oxidizing agent, a 'dispersingjagent anda'saltflike'compound of the general formula aminonaphthalenes I 3. The process for dyeing skins and pelts which comprises treating the said materials in a bath containing an oxidizing agent, a dispersing agent 7 and a salt-like compound of the general formula oil-Him;
wherein 1 is a member of the group consisting of means theradiclelof a base of the group consist- "ing of aminobenzenes, aminonaphthalenes and V heterocyclic bases. g
' 4; The process for'dyeing skins and pelts which comprises treating the said materials in a bath containing an oxidizing agent, a dispersing agent landa salt-like compound of the formula INO1" m 5. The process for dyeing skins and pelts which comprises treatingthe said materials .in a bath containing an oxidizing'ag'ent, a dispersingagent 'and'a salt-like compound oflthe formula 6. The process for dyeing skins and pelts which comprises treating the said materials in a bath containing an oxidizing agent, a dispersing agent and a salt-like compound of the formula co-0H. V ERICHVLEHMANN.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2095070X | 1936-01-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
US2095070A true US2095070A (en) | 1937-10-05 |
Family
ID=7984687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US119587A Expired - Lifetime US2095070A (en) | 1936-01-24 | 1937-01-08 | Dyeing skins or pelts |
Country Status (1)
Country | Link |
---|---|
US (1) | US2095070A (en) |
-
1937
- 1937-01-08 US US119587A patent/US2095070A/en not_active Expired - Lifetime
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2095070A (en) | Dyeing skins or pelts | |
US2844594A (en) | 3-aryl-7-dialkylaminocoumarins | |
US2315951A (en) | Condensation products of diaryl ether sulphonic acids with formaldehyde | |
CH672969B5 (en) | ||
US2094952A (en) | Coloring pelts, furs, hairs, feathers, and products manufactured from these materials | |
US2039898A (en) | Azo-dyestuffs for dyeing leather | |
US2101696A (en) | Process for producing two-color effects on skins or furs | |
US2419334A (en) | Derivatives of amino-benzo-p-dioxans | |
DE1619349A1 (en) | Dye mixture for browning fur | |
US2212608A (en) | Process of dyeing pelts, hairs, or feathers | |
US2188774A (en) | Leather dyed with monoazo dyestuffs | |
US2176853A (en) | Azo dyestuffs soluble in water | |
US2164008A (en) | Monoazo dyestuffs soluble in water | |
US2085809A (en) | Process for dyeing pelts, hairs, and feathers | |
US1858928A (en) | Azo dyestuffs derived from amino-ethers of hydroxydiaryls | |
US2035518A (en) | Process for coloring materials | |
US2097276A (en) | Process for dyeing leather | |
US1893543A (en) | Process for the dyeing of colloids of the cellulose series of the group of cellulose esters or ethers fast greenish yellow tints | |
US1932152A (en) | Hydrazine sulphonates of the diarylamine series | |
DE639669C (en) | Process for dyeing leather | |
US2293804A (en) | Monoazo dyestuffs and their manufacture | |
US1724108A (en) | Process of dyeing vegetable fibers | |
DE3601655A1 (en) | Asymmetric 1:2 chromium complex dyes | |
DE845636C (en) | Process for the production of real colors on fibrous materials | |
DE591223C (en) | Process for the production of azo dyes |