AT46184B - Process for dyeing and printing by means of reduction products of oxyanthraquinones. - Google Patents
Process for dyeing and printing by means of reduction products of oxyanthraquinones.Info
- Publication number
- AT46184B AT46184B AT46184DA AT46184B AT 46184 B AT46184 B AT 46184B AT 46184D A AT46184D A AT 46184DA AT 46184 B AT46184 B AT 46184B
- Authority
- AT
- Austria
- Prior art keywords
- oxyanthraquinones
- dyeing
- printing
- reduction products
- stains
- Prior art date
Links
- 238000004043 dyeing Methods 0.000 title claims description 3
- 238000000034 method Methods 0.000 title claims 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 3
- 239000011651 chromium Substances 0.000 claims description 3
- 125000000468 ketone group Chemical group 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 1
- 244000299507 Gossypium hirsutum Species 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000000344 soap Substances 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- WDNIVTZNAPEMHF-UHFFFAOYSA-N acetic acid;chromium Chemical compound [Cr].CC(O)=O.CC(O)=O WDNIVTZNAPEMHF-UHFFFAOYSA-N 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- QWPVOAUJFKGLQA-UHFFFAOYSA-N flavopurpurin Chemical compound OC1=CC=C2C(=O)C3=CC(O)=CC=C3C(=O)C2=C1O QWPVOAUJFKGLQA-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Landscapes
- Coloring (AREA)
Description
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EMI1.1
Es wurde die überraschende Beobachtung gemacht, dass die Reduktionsprodukte (Leukoderivate) von Oxyanthrachinonen, die dadurch gekennzeichnet sind, dass deren Ketogruppen ganz oder teilweise reduziert sind, sich in ganz hervorragender Weise auf der chrom-
EMI1.2
Dieses war keineswegs zu erwarten, denn diese Leukoprodukte sind im allgemeinen bedeutend weniger stark gefärbt als die entsprechenden Oxyanthrachinonc. Versuche, die Leukooxyanthrachinone zum Färben zu verwenden, haben bis jetzt nur negative Resultate gehabt, offenbar deshalb, weil nicht die richtige Beize verwendet wurde. So hat z. B. Rumer (Ber. XIV, S. 1263, Abs. 2) mitgeteilt, dass Desoxyalizarin auf Tonerde und Eisenbeizen nur schwach anfärbt. Auch Liebermann bemerke (Ber.
XXI, 441, Abs. 1, unten). dass die Rednktionsprodukto des Flavopurpurins mit Beizen nur seifenunechte Färbungen geben.
Offenbar hat er damals Versuche mit Chrombeizen, die, wie jetzt gefunden wurde, im Gegensatz zu den Angaben des genannten Forschers ausgezeichnet seifenechte Färbungen liefern, nicht gemacht. Chrombeizen waren ja auch zu damalip : fi' Zeit für das Färben nut Alizarinfarben weniger gebräuchlich.
Die Eigenschaft, Chrombeizen so intensiv anzufärben, beschränkt sich, wie gefunden wurde, nicht auf gewisse Reduktionsstufen, sondern ist allen mehr oder minder stark reduzierten Leukoprodukten eigen, sowohl denen der färbendon als der nicht färbenden Oxyanthrachinone.
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Beispiel 2. Für 100 kg Wolle.
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intensives Braun, das sich durch sehr gute Walkechtheit auszeichnet.
Beispiel 3.
Für 100kg Wolle.
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geht bei 400 ein, erhitzt zum Kochen und kocht ¸ bis 3/4 Stunde nach. Man erhält so ein tiefes Blauschwarz.
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Beispiel 4.
Für 100 Baumwolle.
Das Färbebad wird mit 10 kg 20%iger Desoxyflavopurpurinpaste beschickt. Man geht mit dem chromgebeizten Garn kalt ein, treibt langsam auf ca. 800 und hält einige Zeit auf dieser Temperatur. Das Garn wird dann getrocknet, gedämpft, geseift und wieder getrocknet. Man erhalt so ein sehr kräftiges Braun von grosser Seifenechtheit.
Beispiel b.
Baumwolldruck.
7#5 kg 20%iger Desoxyflavopurpurinpaste und 7#5 l essigsaures Chrom von 200 Bé werden mit St1trketraganth verdickung auf 100 kg gebracht. Mit dieser Druckpasta wird
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erhält so ein schönes, lebhaftes, seifenechtes Braun.
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EMI1.1
The surprising observation was made that the reduction products (leuco derivatives) of oxyanthraquinones, which are characterized in that their keto groups are wholly or partially reduced, are in a very excellent manner on the chromium
EMI1.2
This was by no means to be expected, for these leuco products are generally much less colored than the corresponding oxyanthraquinone. Attempts to use the leucooxyanthraquinones for dyeing have so far only had negative results, apparently because the correct stain was not used. So has z. B. Rumer (Ber. XIV, p. 1263, para. 2) reported that deoxyalizarin stains only weakly on clay and iron stains. Liebermann also noted (Ber.
XXI, 441, para. 1, below). that the reduction products of flavopurpurin with stains only give colorations that are not soapy.
Apparently at that time he did not make experiments with chrome stains, which, as has now been found, provide excellent, soap-resistant colors, contrary to the information provided by the researcher mentioned. Chrome stains were also less common in those days.
The property of staining chromium stains so intensely is not limited, as has been found, to certain stages of reduction, but is inherent in all leuco products that are more or less strongly reduced, both those of the coloring agents and of the non-coloring oxyanthraquinones.
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Example 2. For 100 kg of wool.
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intense brown, which is characterized by very good millfastness.
Example 3.
For 100kg of wool.
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goes in at 400, heated to a boil and simmered for 3/4 hour. So you get a deep blue-black.
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Example 4.
For 100 cotton.
The dye bath is charged with 10 kg of 20% strength deoxyflavopurpurin paste. You go cold with the chrome-stained yarn, drive slowly to about 800 and hold at this temperature for some time. The yarn is then dried, steamed, soaped and dried again. The result is a very strong brown that is extremely fast to soap.
Example b.
Cotton print.
7 # 5 kg of 20% deoxyflavopurpurin paste and 7 # 5 l of acetic acid chromium from 200 Bé are brought to 100 kg with St1trketraganth thickening. With this printing paste will
EMI2.1
gets a beautiful, lively, soapy brown.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE46184X | 1908-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AT46184B true AT46184B (en) | 1911-01-25 |
Family
ID=5625219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT46184D AT46184B (en) | 1908-11-30 | 1909-11-20 | Process for dyeing and printing by means of reduction products of oxyanthraquinones. |
Country Status (1)
| Country | Link |
|---|---|
| AT (1) | AT46184B (en) |
-
1909
- 1909-11-20 AT AT46184D patent/AT46184B/en active
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