AT45596B - Process for the preparation of black wool dyes. - Google Patents
Process for the preparation of black wool dyes.Info
- Publication number
- AT45596B AT45596B AT45596DA AT45596B AT 45596 B AT45596 B AT 45596B AT 45596D A AT45596D A AT 45596DA AT 45596 B AT45596 B AT 45596B
- Authority
- AT
- Austria
- Prior art keywords
- preparation
- black wool
- wool dyes
- black
- nitro
- Prior art date
Links
- 239000000975 dye Substances 0.000 title description 4
- 210000002268 wool Anatomy 0.000 title description 3
- 238000000034 method Methods 0.000 title description 2
- 238000002360 preparation method Methods 0.000 title description 2
- GVBHRNIWBGTNQA-UHFFFAOYSA-N 2-methoxy-4-nitroaniline Chemical compound COC1=CC([N+]([O-])=O)=CC=C1N GVBHRNIWBGTNQA-UHFFFAOYSA-N 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 150000008049 diazo compounds Chemical class 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- DOPJTDJKZNWLRB-UHFFFAOYSA-N 2-Amino-5-nitrophenol Chemical compound NC1=CC=C([N+]([O-])=O)C=C1O DOPJTDJKZNWLRB-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000008378 aryl ethers Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 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
- 150000002170 ethers Chemical class 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 125000005023 xylyl group Chemical group 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
<Desc/Clms Page number 1>
Verfahren zur Darstellung von schwarzen Wollfarbstoffen.
Es wurde gefunden, dass sie !) die Atkyl-und Arylather des 5-Nitro-2-aminophenois, wie z. B. das 5-Nitro-o-aminoanisol (NO2 : NH2 : O CH3 = 5 : 2 : 1) und ihre Homologen
EMI1.1
Bade in blumigen schwarten Tönen anfärben und überraschender Weise die Eigenschaft. vorzüglich zu egalisieren. mit guter Walk-und !, iclttechtheit in sich vereinigen.
Bpispie1.
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700 Teilen Wasser kochend gelöst, durch Zusatz von Eis auf 150 abgekühlt und mit 69 Teilen Nitrit versetzt. Die Diazoverbindung wird nach dem Filtrieren mit Natriumacetatlösung abgestumpft, bis nur schwach kongosaure Reaktion vorhanden ist. Bei 5 wird
EMI1.3
säure und 136 Teilen kristallisiertem Natriumazetat in Wasser zugefügt. Nach kurzer Zeit ist die Kuppelung beendet. Der Farbstoff 'wird in der üblichen Weise isoliert.
Der Farbstoff erzeugt auf Wolle in saurem Bade ein volles Schwarz.
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z. B. p-Tolyl-, Xylyl-, p-Anisidyl-, m-Carboxyphenil-2.8-aminonaphthol-6-sulfosäure. An Stelle von diazotiertem 5-Nitro-2-aminoanisol können auch die Diazoverbindungen von anderen Äthern des 5-Nitro-2-aminophenols oder deren Homologe und Halogensllbstitutionsprodukte
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**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Process for the preparation of black wool dyes.
It was found that they!) The alkyl and aryl ethers of 5-nitro-2-aminophenois, such as. B. 5-nitro-o-aminoanisole (NO2: NH2: O CH3 = 5: 2: 1) and their homologues
EMI1.1
Bath in flowery black tones and surprisingly color the property. excellent to equalize. unite with good walk and!, iclfastness.
Example1.
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700 parts of water dissolved at the boil, cooled to 150 by adding ice and mixed with 69 parts of nitrite. After filtering, the diazo compound is blunted with sodium acetate solution until there is only a weakly Congo acidic reaction. At 5 will
EMI1.3
acid and 136 parts of crystallized sodium acetate in water were added. The coupling is finished after a short time. The dye is isolated in the usual way.
The dye produces a full black on wool in an acid bath.
EMI1.4
z. B. p-tolyl, xylyl, p-anisidyl, m-carboxyphenil-2.8-aminonaphthol-6-sulfonic acid. Instead of diazotized 5-nitro-2-aminoanisole, the diazo compounds of other ethers of 5-nitro-2-aminophenol or their homologues and halogen substitution products can also be used
EMI1.5
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE45596X | 1908-10-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT45596B true AT45596B (en) | 1911-01-10 |
Family
ID=5625045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT45596D AT45596B (en) | 1908-10-05 | 1909-08-02 | Process for the preparation of black wool dyes. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT45596B (en) |
-
1909
- 1909-08-02 AT AT45596D patent/AT45596B/en active
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