Water-soluble quaternary ammonium phthalocyanine dyestuffs

Abstract

Abstract WATER-SOLUBLE CATIONIC DYESTUFFS OF THE FORMULA A-(N(+)(-R1)(-R2)-(LOWER ALKYLENE)-N(-R*)-Y)K (AN(-))K WHEREIN R* IS HYDROGEN, LOWER-ALKYL OR HYDROXY-LOWER-ALKYL; R1 IS LOWER-ALKYL, LOWER-ALKENYL OR HYDROXY-LOWER-ALKYL; R2 IS LOWER-ALKYL, LOWER-ALKENYL, HYDROXY-LOWER-ALKYL OR -(LOWER-ALKYLENE)-NR*Y OR R1 OR R2 TOGETHER WITH THE NITROGEN ATOM, ARE PYRROLIDINO, PIPERIDINO OR 4-LOWERALKANOYL PIPERAZINO; Y IS HYDROGEN OR -CO-R WHEREIN R IS HYDROGEN, LOWER-ALKYL, LOWER-ALKENYL, PHENYL OR PHENYL-LOWER ALKYL; A IS A PHTHALOCYANINE DYESTUFF RADICAL ATTACHED TO K QUATERNARY AMMONIUM NITROGEN ATOMS THROUGH THE SAME NUMBER OF METHYLENE BRIDGES; K IS A SMALL INTEGER WHOSE VALUE HAS A RANGE FROM ONE TO FIVE; AND AN IS AN ANION; ARE PARTICULARLY USEFUL FOR COLORING NATURAL FIBERS, SYNTHETIC FIBER-FORMING MATERIALS AND CELLULOSIC MATERIALS. THESE DYES DYE COTTON AND PAPER VARIOUS SHADES OF A STABLE TURQUOISE. THE DYEINGS FROM THESE DYES ON PAPER ARE LESS PRONE TO BLEED AND HAVE A HIGH DEGREE OF COLORDISCHARGE WHEN BLEACHED WITH HYPOCHLORITE OF CHLORINE BLEACHES.

Inventors

• 👤 P Jefferies
• 👤 N Crounse

Bibliographic Details