DE49808C - Innovation in the process for the production of azo dyes which directly dye black wool - Google Patents
Innovation in the process for the production of azo dyes which directly dye black woolInfo
- Publication number
- DE49808C DE49808C DENDAT49808D DE49808DA DE49808C DE 49808 C DE49808 C DE 49808C DE NDAT49808 D DENDAT49808 D DE NDAT49808D DE 49808D A DE49808D A DE 49808DA DE 49808 C DE49808 C DE 49808C
- Authority
- DE
- Germany
- Prior art keywords
- innovation
- production
- azo dyes
- naphthylamine
- black wool
- 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
- 210000002268 Wool Anatomy 0.000 title claims description 4
- 239000000987 azo dye Substances 0.000 title claims description 4
- 239000000975 dye Substances 0.000 title description 7
- 239000002253 acid Substances 0.000 claims description 7
- RUFPHBVGCFYCNW-UHFFFAOYSA-N 1-Naphthylamine Chemical compound C1=CC=C2C(N)=CC=CC2=C1 RUFPHBVGCFYCNW-UHFFFAOYSA-N 0.000 claims description 4
- 150000007513 acids Chemical class 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
- 150000008049 diazo compounds Chemical class 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 230000001476 alcoholic Effects 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 239000002966 varnish Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C09B31/00—Disazo and polyazo dyes of the type A->B->C, A->B->C->D, or the like, prepared by diazotising and coupling
- C09B31/02—Disazo dyes
- C09B31/04—Disazo dyes from a coupling component "C" containing a directive amino group
- C09B31/053—Amino naphthalenes
- C09B31/057—Amino naphthalenes containing acid groups, e.g. —CO2H, —SO3H, —PO3H2, —OSO3H, —OPO2H2; Salts thereof
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
PATENTSCHRIFTPATENT LETTERING
KLASSE 22: Farbstoffe, Firnisse, Lacke.CLASS 22: dyes, varnishes, lacquers.
Zusatz zum Patent M, 48924 vom 6. October ΐίAddendum to patent M, 48924 of October 6th ΐί
Patentirt im Deutschen Reiche vom 13. November 1888 ab. Längste Dauer: 5. October 1903.Patented in the German Empire on November 13, 1888. Longest duration: October 5, 1903.
Im Patent Nr. 48924 ist ein Verfahren zur Darstellung von Wolle tief schwarz färbenden Azofarbstoffen beschrieben, welches sich unter Anderem auf die Verwendung der Disulfosäuren des ß-Naphtylamins stützt.In patent no. 48924 is a method of rendering wool deep black Azo dyes described, which, among other things, refer to the use of disulfonic acids of ß-naphthylamine supports.
Zur Erzielung desselben technischen Effectes, nämlich gut ziehende, schwarz färbende Azofarbstoffe zu erzeugen, lassen sich auch deren isomeren, die Disulfosäuren des a-Naphtylamins verwenden.To achieve the same technical effect, namely to produce well-absorbing, black coloring azo dyes, can also be theirs isomers using disulfonic acids of a-naphthylamine.
Das Verfahren zur Darstellung dieser neuen Farbstoffe beruht vollständig auf demjenigen des Haupt-Patentes.The method for preparing these new dyes is entirely based on that of the main patent.
Farbstoff aus a-Naphty lamindisulfosäure(Dahl) + a"Naphtylamin-f-p-Tolyla-Naphtylamin. Dye from a-naphthylamine disulfonic acid (Dahl) + a "naphthylamine-fp-tolyla-naphthylamine.
45 kg a-Naphtylamindisulfosäure werden auf bekannte Weise in ihre Diazoverbindung übergeführt und dieselbe in eine salzsaure Lösung von 20 kg ft-Naphtylainin eingetragen.45 kg of a-naphthylamine disulfonic acid are added known way converted into its diazo compound and the same in a hydrochloric acid solution of 20 kg ft-naphtylainin entered.
Der Amidoazokörper bildet sich sofort. Zur Ueberführung desselben in seine Diazoverbindung giebt man zu der tiefroth gefärbten klaren Lösung eine Lösung von 10 kg Nitrit in 100 1 Wasser. Die sich bildende Diazoverbindung, welche sich nach mehrstündigem Stehen vollständig abscheidet, wird abfiltrirt und in eine alkoholische Lösung von 35 kg p-Tolyla-Naphtylamin eingetragen.The amidoazo body forms immediately. To convert it into its diazo compound A solution of 10 kg of nitrite in 100 liters is added to the deep red colored clear solution Water. The diazo compound that forms, which completely dissolves after standing for several hours separates, is filtered off and poured into an alcoholic solution of 35 kg of p-tolyla-naphthylamine registered.
Nach 24 stündigem Stehen wird schwach erwärmt, die gebildete Farbstoffsäure abfiltrirt und auf bekannte Weise in das Natronsalz übergeführt.After standing for 24 hours, the mixture is warmed gently and the dye acid formed is filtered off and converted into the sodium salt in a known manner.
Der so erhaltene Farbstoff färbt Wolle schön tiefblau schwarz.The dye thus obtained dyes wool a beautiful deep blue black.
Claims (1)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE49808C true DE49808C (en) |
Family
ID=324709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT49808D Expired - Lifetime DE49808C (en) | Innovation in the process for the production of azo dyes which directly dye black wool |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE49808C (en) |
-
0
- DE DENDAT49808D patent/DE49808C/en not_active Expired - Lifetime
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