DE507832C - Process for the representation of orange-tinted cow dyes - Google Patents
Process for the representation of orange-tinted cow dyesInfo
- Publication number
- DE507832C DE507832C DEI36161D DEI0036161D DE507832C DE 507832 C DE507832 C DE 507832C DE I36161 D DEI36161 D DE I36161D DE I0036161 D DEI0036161 D DE I0036161D DE 507832 C DE507832 C DE 507832C
- Authority
- DE
- Germany
- Prior art keywords
- orange
- tinted
- representation
- dyes
- cow
- 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
Links
- 238000000034 method Methods 0.000 title claims description 4
- 239000000975 dye Substances 0.000 title description 3
- 239000000984 vat dye Substances 0.000 claims description 7
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- GEYOCULIXLDCMW-UHFFFAOYSA-N 1,2-phenylenediamine Chemical compound NC1=CC=CC=C1N GEYOCULIXLDCMW-UHFFFAOYSA-N 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims description 2
- 239000007800 oxidant agent Substances 0.000 claims description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- -1 1,4,5,8-naphthalenetetracarboxylic anhydride Chemical class 0.000 description 1
- XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 description 1
- 229940005991 chloric acid Drugs 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000000859 sublimation Methods 0.000 description 1
- 230000008022 sublimation Effects 0.000 description 1
- 239000000725 suspension Substances 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
- C09B57/00—Other synthetic dyes of known constitution
- C09B57/12—Perinones, i.e. naphthoylene-aryl-imidazoles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Coloring (AREA)
Description
Verfahren zur Darstellung von orange färbenden Küpenfarbstoffen Es wurde gefunden, daß man leuchtend orange färbende Küpenfarbstoffe von hervorragender Echtheit erhält, wenn man den nach dem Verfahren der Patentschrift 43o632 durch Kondensation von i,4,5,8-Naphthalintetracarbonsäureanhydrid mit o-Phenylendianiin darstellbaren Küpenfarbstoff mit sauren Oxvdationsmitteln, z.B. mit Chroi-nsäure in iiiä#i", verdünnter Schwefelsäure, behandelt. Je nach rlen Bedingungen der Oxydation liefern die Reaktionsprodukte beim Färben rotstichigere oder gelbstichigere Orangetöne.Process for the preparation of orange coloring vat dyes Es it has been found that bright orange vat dyes are excellent Authenticity is obtained if one uses the 43o632 patent Condensation of 1,4,5,8-naphthalenetetracarboxylic anhydride with o-phenylenedianiine vat dye that can be prepared with acidic oxidizing agents, e.g. with chloric acid treated in iiiä # i ", dilute sulfuric acid. Depending on the conditions of the oxidation when dyeing, the reaction products produce orange tones with a more red or yellow tinge.
Beispiel i Eine Lösung bzw. Suspension von io Teilen des nach dem Verfahren der Pate#ntschrift 43o 63;2 durch Kondensation von 1, 4, 5, 8-'Z,aplithalintetracarbonsäur-eanhy,dri,d mit o-Phenylendiamin erhältlichen roten Küpenfarbstoffes in 3:2o Teilen 6oprozentig#er Schwefelsäure wird bei einer Temperatur Von 12o bis 125' unter guter Rührung allmählich mit 2o Teilen Chromsäure versetzt. Nach etwa dreistündigem Rühren bei der gleichen Temperatur wird das Reaktionsgemisch in Wasser gegossen, der ausgeschiedene Farbstoff abfiltriert und durch Auskochen mit verdünnter Natronlauge gereinigt. Er stellt nach dem Trocknen ein orange gefärbtes Pulver dar, welches sich durch Kristallisation aus hochsiedenden Lösungsmitteln, z. B. a-Chlornaphthalin, oder durch Sublimation im Vakuum in orangen Nadeln gewinnen läßt. In konzentrierter Schwefelsäure löst er sich orange und gibt eine rotbraune Küpe mit grünein Dichroismus, aus der Baumwolle in leuchtend orangen Tönen gefärbt wird.EXAMPLE 1 A solution or suspension of 10 parts of the red vat dye obtainable by the process of patent specification 43o 63; 2 by condensation of 1, 4, 5, 8-Z, aplithalintetracarbonsäur-eanhy, dri, d with o-phenylenediamine in 3: 20 parts of 6% sulfuric acid, 20 parts of chromic acid are gradually added at a temperature of from 120 to 125 'with thorough stirring. After about three hours of stirring at the same temperature, the reaction mixture is poured into water, the precipitated dye is filtered off and purified by boiling with dilute sodium hydroxide solution. After drying, it represents an orange colored powder, which is formed by crystallization from high-boiling solvents, e.g. B. a-chloronaphthalene, or can be obtained by sublimation in a vacuum in orange needles. In concentrated sulfuric acid it dissolves orange and gives a red-brown vat with green dichroism, from which cotton is dyed in bright orange tones.
Beispiel 2 Man löst i o Teile des im Beispiel i verwendeten roten Küpenfarbstoffes in 2ooTeilen Schwefelsäure von 96'1", versetzt die Lösung mit i2o Teilen Wasser und trägt in die so erhaltene Stispension bei io5 bis iio' allinählich 27 Teile Kal-iumbichromat ein. Man rührt noch etwa '/.., Stunde lang bei der ange-"ebenen Temperatur und arbeitet, wie in Bei spiel i angegeben, auf. Das Reaktionsprodukt färbt bei sonst ähnlichen Eigenschaften Baumwolle in sehr wesentlich röteren Orangetönen als das in Beispiel i beschriebene.Example 2 Dissolve io parts of iumbichromat Kal-i in the example used red vat dye in 2ooTeilen sulfuric acid of 96'1 ", added to the solution i2o parts of water and contributes to the thus obtained Stispension at IO5 to iio 'allinählich 27 parts of a. Man stirs for about an hour at the "level" temperature and works, as indicated in example i, on. With otherwise similar properties, the reaction product dyes cotton in very much redder orange tones than that described in Example i.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI36161D DE507832C (en) | 1928-11-18 | 1928-11-18 | Process for the representation of orange-tinted cow dyes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEI36161D DE507832C (en) | 1928-11-18 | 1928-11-18 | Process for the representation of orange-tinted cow dyes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE507832C true DE507832C (en) | 1930-09-20 |
Family
ID=7189173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DEI36161D Expired DE507832C (en) | 1928-11-18 | 1928-11-18 | Process for the representation of orange-tinted cow dyes |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE507832C (en) |
-
1928
- 1928-11-18 DE DEI36161D patent/DE507832C/en not_active Expired
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