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CH181711A - Process for through-dyeing leather. - Google Patents

Process for through-dyeing leather.

Info

Publication number
CH181711A
CH181711A CH181711DA CH181711A CH 181711 A CH181711 A CH 181711A CH 181711D A CH181711D A CH 181711DA CH 181711 A CH181711 A CH 181711A
Authority
CH
Switzerland
Prior art keywords
leather
burgundy
dyeing leather
dyeing
dye
Prior art date
Application number
Other languages
German (de)
Inventor
A-G J R Geigy
Original Assignee
Geigy Ag J R
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Geigy Ag J R filed Critical Geigy Ag J R
Publication of CH181711A publication Critical patent/CH181711A/en

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Description

  

  Verfahren zum     Durchfärben    von Zeder.    Es wurde gefunden, dass es gelingt,  Leder, insbesondere Chromleder, vollständig  durchzufärben, wenn man dazu den bordeaux  roten Farbstoff     4-Nitro-4'-diäthylamino-l,l'-          azobenzol-2,6'-disulfonsäure    verwendet. Die  Oberfläche des Leders wird bordeauxrot,  das Innere tief bordeauxrot gefärbt.  



  <I>Beispiel:</I>  Die     neutralisierten    Felle werden im Fass  mit     150-200%    Wasser von 65   C versetzt;  das Fass wird laufen gelassen und eine Auf  lösung des Farbstoffes     4-@Titro-4'-diäthyl-          amino-1,1'-azobenzol-2,6'-disulfonsäure    durch  die hohle Achse zugegeben. Im allgemeinen  genügen     1.-2%    des auf das Falzgewicht    berechneten Farbstoffes, um kräftige Durch  färbungen zu erzielen. Nach 45     Minuten     setzt man den     Fatliquor    zu und bewegt  weitere 45 Minuten. Handelt es sich um  sehr schwere Häute, so ist die Färbedauer  entsprechend zu verlängern.



  Method of dyeing cedar. It has been found that it is possible to dye leather, in particular chrome leather, completely if the burgundy red dye 4-nitro-4'-diethylamino-l, l'-azobenzene-2,6'-disulfonic acid is used for this purpose. The surface of the leather is colored burgundy, the inside is deep burgundy.



  <I> Example: </I> The neutralized skins are mixed with 150-200% water at 65 C in the barrel; the barrel is run and a solution of the dye 4- @ Titro-4'-diethylamino-1,1'-azobenzene-2,6'-disulfonic acid is added through the hollow axis. In general, 1.-2% of the dye calculated on the shaved weight is sufficient to achieve strong through-coloring. After 45 minutes, add the fat liquor and stir for another 45 minutes. If the hides are very heavy, the dyeing time must be extended accordingly.

 

Claims (1)

PATENTANSPRUCH: Verfahren zum Durchfärben von Leder, insbesondere Chromleder, dadurch gekenn zeichnet, dass man dazu den bordeauxroten Farbstoff 4 - I@Titro - 4'- diäthylamino - I,1' - azobenzol-2,6'-disulfonsäure verwendet. Die Oberfläche des Leders wird bordeauxrot, das Innere tief bordeauxrot; gefärbt. PATENT CLAIM: A method for dyeing leather, in particular chrome leather, characterized in that the burgundy dye 4 - I @ Titro - 4'-diethylamino - I, 1 '- azobenzene-2,6'-disulfonic acid is used. The surface of the leather turns burgundy red, the inside deep burgundy red; colored.
CH181711D 1933-12-07 1934-11-24 Process for through-dyeing leather. CH181711A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE181711X 1933-12-07
CH179043T 1934-11-24

Publications (1)

Publication Number Publication Date
CH181711A true CH181711A (en) 1935-12-31

Family

ID=25720251

Family Applications (1)

Application Number Title Priority Date Filing Date
CH181711D CH181711A (en) 1933-12-07 1934-11-24 Process for through-dyeing leather.

Country Status (1)

Country Link
CH (1) CH181711A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012107269A1 (en) 2011-11-14 2013-05-16 Rivaplan Ag Mounting kit for achieving a sealing effect and appropriately equipped sanitary installation
DE202013104428U1 (en) 2012-10-03 2013-10-17 Rivaplan Ag Mounting aid and mounting kit with such an assembly aid for creating a wall connection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012107269A1 (en) 2011-11-14 2013-05-16 Rivaplan Ag Mounting kit for achieving a sealing effect and appropriately equipped sanitary installation
DE202013104428U1 (en) 2012-10-03 2013-10-17 Rivaplan Ag Mounting aid and mounting kit with such an assembly aid for creating a wall connection

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