CH121007A - Process for the preparation of a developer dye. - Google Patents
Process for the preparation of a developer dye.Info
- Publication number
- CH121007A CH121007A CH121007DA CH121007A CH 121007 A CH121007 A CH 121007A CH 121007D A CH121007D A CH 121007DA CH 121007 A CH121007 A CH 121007A
- Authority
- CH
- Switzerland
- Prior art keywords
- brown
- red
- preparation
- dye
- developer
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 3
- 239000000975 dye Substances 0.000 claims description 7
- JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 claims description 4
- HFACYLZERDEVSX-UHFFFAOYSA-N benzidine Chemical compound C1=CC(N)=CC=C1C1=CC=C(N)C=C1 HFACYLZERDEVSX-UHFFFAOYSA-N 0.000 claims description 3
- JBIJLHTVPXGSAM-UHFFFAOYSA-N 2-naphthylamine Chemical compound C1=CC=CC2=CC(N)=CC=C21 JBIJLHTVPXGSAM-UHFFFAOYSA-N 0.000 claims description 2
- 229920000742 Cotton Polymers 0.000 claims description 2
- 235000005811 Viola adunca Nutrition 0.000 claims description 2
- 240000009038 Viola odorata Species 0.000 claims description 2
- 235000013487 Viola odorata Nutrition 0.000 claims description 2
- 235000002254 Viola papilionacea Nutrition 0.000 claims description 2
- 235000019219 chocolate Nutrition 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-N sodium;hydron;carbonate Chemical compound [Na+].OC(O)=O UIIMBOGNXHQVGW-UHFFFAOYSA-N 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
Landscapes
- Coloring (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
Verfahren zur Darstellung eines Entyvielderfarbstoi%s. Es wurde gefunden, dass ein wertvoller Entwicklerfarbstoff erhalten wird, wenn man tetrazotiertes Benzidin in molekularem Ver hältnis mit 2'-DIetbyl-3'-amino-5'-sulfo-l- phenyl-5-pyrazolon-3-karbonsäure zu einem Zwischenprodukt vereinigt und dasselbe mit a-Naphtylaminsulfosäure-1,6-Cleve weiterkup- pelt. Der neue Farbstoff bildet ein braun schwarzes Pulver, -das sich in Wasser mit rotbrauner,
in konzentrierter Schwefelsäure mit blauvioletter Farbe löst. Er färbt unge- beizte Baumwolle in rotbraunen Tönen, welche sich durch Diazotieren auf der Faser und nachfolgende Entwicklung mit Betanaphtol zu waschechtem Schokoladebraun fixieren lassen.
<I>Beispiel:</I> Zu der Tetrazodiphenyllösung aus 18,4 Teilen Benzidin lässt rnan bei 0-5 C die Lösung des Trinatriumsalzes von 31,3 Teilen 2' Methyl-3'-amino-5'-sulfo-l-phenyl-5-pyrazolon- 3-karbonsäure zufliessen. Sobald unverändertes Tetrazodiphenyl nicht mehr nachgewiesen werden kann, gibt man die Lösung von 24,5 Teilen a-naphtylaminsulfosaurem Natron-1,6- Cleve zu. Es tritt rasch Weiterkupplung ein unter Bildung eines dicken, schwarzen Nieder schlages.
Nach einigen Stunden ist die Kom- bination beendigt. Man neutralisiert sorgfältig durch Zugabe von Soda - und salzt aus der hierbei entstehenden rotbraunen Lösung den Farbstoff aus.
Method for the preparation of an Entyvielderfarbstoi% s. It has been found that a valuable developer dye is obtained if tetrazotized benzidine is combined in a molecular ratio with 2'-dietbyl-3'-amino-5'-sulfo-1-phenyl-5-pyrazolone-3-carboxylic acid to form an intermediate and coupled the same with a-naphthylamine sulfonic acid 1,6-Cleve. The new dye forms a brown-black powder, which is mixed in water with red-brown,
dissolves in concentrated sulfuric acid with a blue-violet color. It dyes unstained cotton in red-brown shades, which can be fixed to washable chocolate brown by diazotizing the fiber and then developing it with betanaphtol.
<I> Example: </I> The solution of the trisodium salt of 31.3 parts of 2'methyl-3'-amino-5'-sulfo-1- is added to the tetrazodiphenyl solution of 18.4 parts of benzidine at 0-5 ° C. flow in phenyl-5-pyrazolone-3-carboxylic acid. As soon as unchanged tetrazodiphenyl can no longer be detected, the solution of 24.5 parts of a-naphthylaminesulfonate sodium 1,6-Cleve is added. Further coupling occurs quickly with the formation of a thick, black deposit.
The combination is over after a few hours. It is carefully neutralized by adding soda - and the dye is salted out from the red-brown solution that results.
Claims (1)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE121007X | 1925-03-28 | ||
| CH119229T | 1925-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH121007A true CH121007A (en) | 1927-06-16 |
Family
ID=25709191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH121007D CH121007A (en) | 1925-03-28 | 1925-11-02 | Process for the preparation of a developer dye. |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH121007A (en) |
-
1925
- 1925-11-02 CH CH121007D patent/CH121007A/en unknown
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