AT53143B - Process for the production of durable preparations made from indigoleuco dyes and molasses, syrup, glycerine and other non-drying substances, suitable for permanent vat management. - Google Patents
Process for the production of durable preparations made from indigoleuco dyes and molasses, syrup, glycerine and other non-drying substances, suitable for permanent vat management.Info
- Publication number
- AT53143B AT53143B AT53143DA AT53143B AT 53143 B AT53143 B AT 53143B AT 53143D A AT53143D A AT 53143DA AT 53143 B AT53143 B AT 53143B
- Authority
- AT
- Austria
- Prior art keywords
- syrup
- dyes
- molasses
- glycerine
- durable
- Prior art date
Links
Landscapes
- Coloring (AREA)
Description
<Desc/Clms Page number 1>
Verfahren zur Darstellung von haltbaren, für dauernde Küpenführung geeigneten Präparaten aus Indigoleukofarbsto1fen und Melasse, Sirup, Glyzerin und anderen nicht eintrocknenden Substanzen.
Nach dem Verfahren der Patentschrift Nr. 52024 erhält man haltbare, für dauernde Küpenführung geeignete Präparate aus Indigoleukofarbstoffen, wenn man die letzteren mit Melasse, Sirup, Glyzerin oder anderen nicht eintrocknenden Substanzen und anorganischen Reduktionsmitteln mischt.
Es wurde nun gefunden, dass diese Präparate auch unter Zusatz von Alkali oder alkalisch wirkenden Substanzen hergestellt werden können, ohne dass die Haltbarkeit beeinträchtigt wird. Der alkalische Zusatz verleiht den Präparaten eine geschmeidige, sirupöse Konsistenz, wodurch deren Verwendung in der Färberei erleichtert wird. Wie sich Überraschenderweise gezeigt hat, genügen hiefür häufig schon ganz geringe Mengen von Alkalien, welche bei weitem nicht zur Überführung der Indigoleukofarbstoffe in die Salze ausreichen.
Beispiel :
EMI1.1
Pottaschelösung (ä () /oig) oder Natronlauge (400) an und setzt alsdann allmählich 56 kg Zinkstaub zu. Das homogene Gemenge stellt eine Paste von sirupihnlicher Konsistenz dar.
**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.
<Desc / Clms Page number 1>
Process for the production of durable preparations made from indigoleuco dyes and molasses, syrup, glycerine and other non-drying substances, suitable for permanent vat management.
According to the process of patent specification no. 52024, durable preparations made of indigoleuco dyes suitable for long-term vat management are obtained if the latter is mixed with molasses, syrup, glycerine or other non-drying substances and inorganic reducing agents.
It has now been found that these preparations can also be produced with the addition of alkali or alkaline substances without impairing the shelf life. The alkaline additive gives the preparations a smooth, syrupy consistency, which makes them easier to use in dyeing. As has surprisingly been shown, very small amounts of alkalis are often sufficient for this purpose, and these are by no means sufficient to convert the indigoleuco dyes into the salts.
Example:
EMI1.1
Potash solution (ä () / oig) or caustic soda (400) and then gradually adds 56 kg of zinc dust. The homogeneous mixture is a paste with a syrup-like consistency.
** WARNING ** End of DESC field may overlap beginning of CLMS **.
Claims (1)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1908235047D DE235047C (en) | 1908-10-14 | ||
DE53143X | 1909-03-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT53143B true AT53143B (en) | 1912-04-25 |
Family
ID=30116460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT53143D AT53143B (en) | 1908-10-14 | 1909-07-29 | Process for the production of durable preparations made from indigoleuco dyes and molasses, syrup, glycerine and other non-drying substances, suitable for permanent vat management. |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT53143B (en) |
-
1909
- 1909-07-29 AT AT53143D patent/AT53143B/en active
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