Water-soluble pyrazaline disazo dyestuffs and metal complex compounds thereof
Abstract
Abstract WATER-SOLUBLE DISAZO-DYESTUFFS HAVING IN FORM OF THE FREE ACID THE FORMULA 1-((Z)M-A(-O-R)-N=N-),3-(HO-),4-(HO3S-),6-((Z)N-K-N=N-) NAPHTHALENE R REPRESENT HYDROGEN OR LOWER ALKYL, M AND A REPRESENT INTEGERS FROM 0 TO 2, THE SUM OF M AND N BEING AT LEAST 1 AND AT MOST 2, A REPRESENTS THE RADICAL OF A DIZZO COMPONENT FO THE BENZENE AND NAPHTHALENE SERIES, AND K REPRESENTS THE RADICAL OF A COUPLING COMPONENT OF THE MAPHTHALENE, PYRAZOLONE AND ACEO-ACETYLARYLANIDE SERIES, AND THE 1:1 COPPER COMPLEX COMPOUND OR THE 1:2-COBALT-OR 1:2-CHROMIUM COMPLEX COMPOUNDS THEREOF, SAID DYESTUFFS BEING SUITABLE FOR THE DYEING OR PRINTING OF FIBROUS MATERIALS OF NATIVE OR REGENERATED CELLULOSE, WOOL, SILK, POLYAMIDES OR POLYARETHANES, THE DYEINGS AND PRINTS OBTAINED ON CELLULOSE FIBROUS MATERIALS BEING OF INTENSE REDBROWN, DARK BROWN, OLIVE, GREY (BLACK) OR NAVY BLUE SHADES AND BEING DISTINGUISHED BY A VERY GOOD FASTNESS TO LIGHT AND TO WET PROCESSING.
Inventors
- 👤 Fritz Meininger
- 👤 Hermann Fuchs
Bibliographic Details
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