| abstract |
PROCEDURE FOR THE PREPARATION OF A DYE COMPOSITION CONTAINING AN AMINO-NITROPHENILIC ETHER. 3-AMINO-4-NITRO-CHLOROBENZENE OR ITS DERIVATIVES IS REACTED WITH GLYCERIN IN THE PRESENCE OF SOSA AT A TEMPERATURE OF 100 TO 150 C. COMPOUND (I) IS OBTAINED THAT IS DISSOLVED IN A AQUEOUS, ALCOHOLIC OR ALCOHOLIC, ALCOHOLIC, ALCOHOLIC, OR HYDROALCOHOLEDIC VEHICLE BELOW, A COADJUVANT CHOSEN AMONG ANIONIC SURFACTANTS, CATIONIC, NON-IONIC, ANPHOTERIC, OR THEIR MIXTURES ORGANIC SOLVENTS, THICKENERS AND COSMETIC RESINS; LASTLY THE PH IS ADJUSTED TO A VALUE BETWEEN 3 AND 11.5. THE COMPOUND (II) IS OBTAINED IN WHICH R IS HYDROGEN, A RADICAL ALCOHYL, HYDROXYALCOHYL OR POLYHYDROXYALCOHYL. |