CH139380A - Process for the preparation of a vat dye of the anthanthrone series. - Google Patents

Process for the preparation of a vat dye of the anthanthrone series.

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Publication number
CH139380A
CH139380A CH139380DA CH139380A CH 139380 A CH139380 A CH 139380A CH 139380D A CH139380D A CH 139380DA CH 139380 A CH139380 A CH 139380A
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CH
Switzerland
Prior art keywords
preparation
gray
mol
sulfuric acid
beautiful
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Application number
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German (de)
Inventor
Aktiengesellsc Farbenindustrie
Original Assignee
Ig Farbenindustrie Ag
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Publication date
Application filed by Ig Farbenindustrie Ag filed Critical Ig Farbenindustrie Ag
Publication of CH139380A publication Critical patent/CH139380A/en

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Description

  

  Verfahren zur Darstellung eines     Küpenfarbstoffes    der     Anthanthronreihe.       Gegenstand des vorliegenden Patentes ist  ein Verfahren zur Darstellung eines neuen       Küpenfarbstoffes    der     Anthanthronreihe,    da  durch gekennzeichnet,     dass'    man<B>1</B>     Mol.     2     .7-Dihalogenanthanthron,

      hergestellt aus  <B>1.</B>     l'-Dinaplityl-4.        4'-ähallogen-8        .8'-dic*-          bonsäure    mit 2     Mel.        a-Aminoanthrachinon     bei Gegenwart von säurebindenden Mitteln  und katalytisch wirkenden Substanzen kon  densiert.  



  Als Katalysatoren kann     ma.n    zum Bei  spiel geringe Mengen Kupfer oder     seineVer-          bindungen    und Salze nehmen.  



  <I>Beispiel:</I>  4,6 Gewichtsteile     2.7-Dibromantha#nthron     hergestellt aus<B>1 .</B>     l'-Dinaphtyl-4.    4'     dihrom-          8.        8'-diearbon-säure    werden in<B>150</B>     Gewiellts-          teilen    Naphtalin mit<B>5</B> Gewichtsteilen       a-Aminoanthraellinon,    2 1/2     Gewiahtsteilen     wasserfreiem     Natriumacetat,   <B>0,5</B> Gewichts  teilen     Kupferacetat,    4 bis<B>5</B> Stunden 'unter  Rühren zum Kochen erhitzt.

   Man erhält so         vialettgraue    mikroskopische     NädeleUen,    die  sich in konzentrierter     kaIter    Schwefelsäure  mit grüner Farbe     (hlaustichiger    als     Dibrom-          anthanthron)    lösen, welche bei Zusatz, von       Paraforma.Idel-iyd    in ein schönes blau um  schlägt.

   Giesst man die grüne schwefelsaure  Lösung in Wasser, so. erhält man violette  Flocken, die mit Natronlauge und     Hydrosul-          fit    eine klare weinrote     Küpe    geben, aus  welcher Baumwolle nach dein Verhängen  schön     violettgrau    mit sehr guten Echtheits  eigenschaften angefärbt wird.



  Process for the preparation of a vat dye of the anthanthrone series. The subject of the present patent is a process for the preparation of a new vat dye of the anthanthrone series, characterized in that 'one <B> 1 </B> mol. 2 .7-Dihalogenanthanthron,

      made from <B> 1. </B> l'-Dinaplityl-4. 4'-Ähallogen-8 .8'-dic * - bonsäure with 2 Mel. A-Aminoanthraquinone condenses in the presence of acid-binding agents and catalytically active substances.



  For example, small amounts of copper or its compounds and salts can be used as catalysts.



  <I> Example: </I> 4.6 parts by weight of 2.7-dibromantha # nthron made from <B> 1. </B> l'-dinaphthyl-4. 4 'dihrom- 8. 8'-diarboxylic acid are mixed in <B> 150 </B> parts by weight of naphthalene with <B> 5 </B> parts by weight of α-aminoanthraellinone, 2 1/2 parts by weight of anhydrous sodium acetate, <B > 0.5 </B> parts by weight copper acetate, heated to a boil for 4 to <B> 5 </B> hours while stirring.

   This gives vialet-gray microscopic needles which dissolve in concentrated cold sulfuric acid with a green color (more bluish than dibromanthanthrone), which turns into a beautiful blue with the addition of Paraforma.Idel-iyd.

   If you pour the green sulfuric acid solution into water, so. violet flakes are obtained which, with caustic soda and hydrosulfite, give a clear wine-red vat, from which cotton is dyed a beautiful violet-gray with very good fastness properties after being hung.

Claims (1)

PATENTANSPRUCII: Verfahren zur Darstellung eines neuen Küpenfarbstoffes, der Anthanthronreihe, dadurch gekennzeichnet, dass man<B>1</B> Mol. 2.7- Dihalügenanthanthron, PATENT CLAIM: Process for the preparation of a new vat dye, the anthanthrone series, characterized in that <B> 1 </B> Mol. 2.7- Dihalügenanthanthron, hergestellt aus<B>1.</B> l'- Dina#pht.y1-4. 4'-dihalogen-8. 8'-dicarbonsäure mit 2 Mol. a-Aminoa.nt#hrachinon bei Gegen- walt von säurebindenden Mitteln und kataly- tisah wirkenden Substanzen kondensiert. made from <B> 1. </B> l'- Dina # pht.y1-4. 4'-dihalo-8. 8'-dicarboxylic acid condensed with 2 mol. A-Aminoa.nt # hrachinon in the presence of acid-binding agents and substances with a catalytic effect. Der so erhaltene Farbstoff stellt violett- graue mikroskopische Nädelchen dar, die sich in konz. halter Schwefelsäure mit grüner Farbe lösen, welche bei Zusatz von Para- formaldehyd in ein schönes Blau umschlägt. The dye obtained in this way is purple-gray microscopic needles, which are in conc. halter dissolve sulfuric acid with a green color, which turns into a beautiful blue when paraformaldehyde is added. Giesst man die grüne schwefelsaure Lösung in Wasser, so erhält man violette Flochen, die mit Natronlauge und Hydrosulfit eine klare weinrote Küpe geben, aus welcher Baumwolle nach dem Verhängen schön vio- lettgrau mit sehr guten Echtheitseigenschaf ten angefärbt wir<B>d.</B> UNTERANSPRMIE: <B>1.</B> Verfahren nach Patentanspruell, dadureh nIehennzeichnet, dass man<B>als</B> kalalytisch wirkende Substanz Kupfer verwendet. If the green sulfuric acid solution is poured into water, one obtains violet flakes which, with caustic soda and hydrosulphite, give a clear wine-red vat, from which cotton is dyed a beautiful violet-gray with very good fastness properties after hanging. </ B> UNDER CLAIM: <B> 1. </B> Process according to patent claim, since it does not indicate that one uses <B> as </B> the substance with a calalytic effect. Verfahren (y naali Pati#ntiinspruch, dadureh ,le.i-#ennzeie.linet-, dass man als k-atalytisch wirkende Substanz Kupferverbindungen verwendet. Process (y naali Pati # ntiinsendung, dadureh, le.i- # ennzeie.linet- that copper compounds are used as the k-catalytically active substance.
CH139380D 1927-03-08 1928-02-24 Process for the preparation of a vat dye of the anthanthrone series. CH139380A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE139380X 1927-03-08
CH133807T 1928-02-24

Publications (1)

Publication Number Publication Date
CH139380A true CH139380A (en) 1930-04-15

Family

ID=25712180

Family Applications (1)

Application Number Title Priority Date Filing Date
CH139380D CH139380A (en) 1927-03-08 1928-02-24 Process for the preparation of a vat dye of the anthanthrone series.

Country Status (1)

Country Link
CH (1) CH139380A (en)

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