CH313296A - Process for the production of a brown leather dye - Google Patents
Process for the production of a brown leather dyeInfo
- Publication number
- CH313296A CH313296A CH313296DA CH313296A CH 313296 A CH313296 A CH 313296A CH 313296D A CH313296D A CH 313296DA CH 313296 A CH313296 A CH 313296A
- Authority
- CH
- Switzerland
- Prior art keywords
- dye
- brown
- parts
- production
- benzene
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 5
- 239000000991 leather dye Substances 0.000 title claims description 4
- 239000000975 dye Substances 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Substances C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 3
- 239000010985 leather Substances 0.000 claims description 3
- NYGZLYXAPMMJTE-UHFFFAOYSA-M metanil yellow Chemical group [Na+].[O-]S(=O)(=O)C1=CC=CC(N=NC=2C=CC(NC=3C=CC=CC=3)=CC=2)=C1 NYGZLYXAPMMJTE-UHFFFAOYSA-M 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 239000003086 colorant Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- -1 2-amino diazo compound Chemical class 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 3
- 235000011121 sodium hydroxide Nutrition 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 150000008049 diazo compounds Chemical class 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- GOJUJUVQIVIZAV-UHFFFAOYSA-N 2-amino-4,6-dichloropyrimidine-5-carbaldehyde Chemical group NC1=NC(Cl)=C(C=O)C(Cl)=N1 GOJUJUVQIVIZAV-UHFFFAOYSA-N 0.000 description 1
- MTJGVAJYTOXFJH-UHFFFAOYSA-N 3-aminonaphthalene-1,5-disulfonic acid Chemical compound C1=CC=C(S(O)(=O)=O)C2=CC(N)=CC(S(O)(=O)=O)=C21 MTJGVAJYTOXFJH-UHFFFAOYSA-N 0.000 description 1
- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical group C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B35/00—Disazo and polyazo dyes of the type A<-D->B prepared by diazotising and coupling
- C09B35/50—Tetrazo dyes
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
Zusatzpatent zum Hauptpatent Nr. 312190 Verfahren zur Herstellung eines braunen Lederfarbstoffes Gegenstand vorliegenden Patentes ist ein Verfahren zur Herstellung eines braunen Lederfarbstoffes. Das Verfahren ist dadurch gekennzeiehnet, dass man auf den Monoazo- farbstoff aus diazotierter 1-Amino-8-oxy-naph- tlialin-3,6-disulfonsäure und 1,3-Dioxy-benzol einerseits ein Mol der Diazov erbindung der 2 Amino-naplithalin-4,
8-disulfonsäure und an derseits ein Mol des halbseitigen Kupplungs- produktes des 4,4'-Diamino-dipheny 1s und der 2-Oxv-benzol-l-carbonsäure in alkalischem Mittel einwirken lässt.
Der neue Farbstoff stellt ein dunkles Pul ver dar und färbt sowohl auf Chromleder wie aueh auf Veloursleder ein blumiges Braun von guter Schleifechtheit und Säurebestän- dig-keit.
Beispiel 31,9 Teile 1-Amino-8-oxy-na.phthalin-3,6- disulfonsä.ure werden in 100, Teilen Wasser mit '?,8 Teilen Ätznatron gelöst, mit. i6,9 'T'eilen Na- triumnitrit vermischt und bei 0 bis 5 auf 30 Teile konz. Salzsäure laufen gelassen. Die gelbe Diazosuspension wird nun zu einer Lösung von 10 Teilen 1,3-Dioxy-benzol in 100 Teilen Was ser und 10 Teilen Ätznatron fliessen gelassen.
Die braune Monoazofarbstofflösung wird mit weiteren 10 Teilen Ätznatron versetzt und die Diazoverbindung aus 30,3 Teilen 2-Amino- naphthalin-4,8-disulfonsätire dazugegeben. Die dunkelbraune Disazofarbstofflösung wird einige Stunden gerührt.
Während dieser Zeit werden 18,4 Teile 4,4'-Diamino-diphenyl tetra- zotiert und in Gegenwart von 30 Teilen Na- triumcarbonat mit 14,3 Teilen 2-Oxy-benzol-l- ca.rbonsäure halbseitig gekuppelt. Diese soda- a.lkalische Suspension fliesst zu der oben be schriebenen Disazofarbstofflösung. Der dabei entstehende Tetrakisazofarbstoff wird mit 250 Teilen Kochsalz ausgesalzen, abfiltriert und getrocknet.
Er ist ein dunkles Pulver, wel- ehes sich in Wasser mit dunkelbrauner und in konz. Schwefelsäure mit violetter Farbe löst. Er färbt sowohl auf Chromleder wie auch auf Veloursleder ein blumiges Braun von guter Schleifechtheit und Säurebeständigkeit.
Additional patent to main patent No. 312190 Process for the production of a brown leather dye The present patent is a process for the production of a brown leather dye. The process is characterized in that one mole of the diazo compound of the 2 amino acids is applied to the monoazo dye from diazotized 1-amino-8-oxy-naphthalen-3,6-disulfonic acid and 1,3-dioxy-benzene. naplithalin-4,
8-disulfonic acid and on the other hand one mole of the half-sided coupling product of 4,4'-diamino-dipheny 1s and 2-oxy-benzene-1-carboxylic acid in an alkaline medium.
The new dye is a dark powder and colors both chrome leather and suede a flowery brown with good sanding fastness and acid resistance.
Example 31.9 parts of 1-amino-8-oxy-na.phthalin-3,6-disulfonic acid are dissolved in 100 parts of water with 8 parts of caustic soda. 16.9 parts of sodium nitrite mixed and concentrated to 30 parts at 0 to 5. Run hydrochloric acid. The yellow diazo suspension is then allowed to flow into a solution of 10 parts of 1,3-dioxy-benzene in 100 parts of water and 10 parts of caustic soda.
A further 10 parts of caustic soda are added to the brown monoazo dye solution, and the diazo compound from 30.3 parts of 2-amino-naphthalene-4,8-disulfonic acid is added. The dark brown disazo dye solution is stirred for a few hours.
During this time, 18.4 parts of 4,4'-diaminodiphenyl are tetrazotized and coupled on one side with 14.3 parts of 2-oxy-benzene-1-carboxylic acid in the presence of 30 parts of sodium carbonate. This soda-alkaline suspension flows into the disazo dye solution described above. The resulting tetrakisazo dye is salted out with 250 parts of sodium chloride, filtered off and dried.
It is a dark powder that dissolves in water with dark brown and in conc. Dissolves sulfuric acid with a purple color. It dyes both chrome leather and suede a flowery brown with good sanding fastness and acid resistance.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH313296T | 1953-01-30 | ||
| CH312190T | 1953-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH313296A true CH313296A (en) | 1956-03-31 |
Family
ID=25735899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH313296D CH313296A (en) | 1953-01-30 | 1953-01-30 | Process for the production of a brown leather dye |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH313296A (en) |
-
1953
- 1953-01-30 CH CH313296D patent/CH313296A/en unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH238453A (en) | Process for the preparation of a copper-compatible polyazo dye. | |
| CH313296A (en) | Process for the production of a brown leather dye | |
| CH313298A (en) | Process for the production of a brown leather dye | |
| CH313297A (en) | Process for the production of a brown leather dye | |
| DE456234C (en) | Process for the preparation of stain-coloring disazo dyes | |
| CH313295A (en) | Process for the production of a brown leather dye | |
| DE848677C (en) | Process for the production of metallizable polyazo dyes | |
| DE706672C (en) | Process for the preparation of secondary disazo dyes | |
| AT40668B (en) | Process for the preparation of trisazo dyes. | |
| DE725223C (en) | Process for the preparation of chromium complex compounds of secondary disazo dyes | |
| DE589636C (en) | Process for the production of azo dyes | |
| CH312190A (en) | Process for the production of a brown leather dye. | |
| CH296530A (en) | Process for the preparation of a monoazo dye. | |
| CH127446A (en) | Process for the preparation of a stain dye. | |
| CH292301A (en) | Process for the preparation of a monoazo dye of the pyrazolone series. | |
| CH132803A (en) | Process for the preparation of a stain dye. | |
| CH111122A (en) | Process for the production of a new dye. | |
| CH127445A (en) | Process for the preparation of a stain dye. | |
| CH257029A (en) | Process for the production of a metallizable azo dye. | |
| CH228836A (en) | Process for the preparation of a tetrakisazo dye. | |
| CH211491A (en) | Process for the preparation of a related disazo dye. | |
| CH226836A (en) | Process for the preparation of a green trisazo dye. | |
| CH190620A (en) | Process for the preparation of an azo dye. | |
| CH115465A (en) | Process for the production of a new azo dye. | |
| CH302408A (en) | Process for the preparation of a trisazo dye. |