Process for dyeing polyacrylonitrile textile materials with basic dyestuffs

Abstract

Abstract PROCESS FOR DYEING AND PRINTING OF TEXTILE MATERIALS OF POLYACRYLONITRILE WITH PHENYL-HETERYL-METHANE DYESTUFFS AND THE PRODUCTION OF PHENYL-HETERYL-METHANE DYESTUFFS OF THE GENERAL FORMULA (1-(PHENYL-C(+)(-B)-),3,4-(-Z-N(-R)-)BENZENE) X(-) IN THIS FORMULA R DENOTES HYDROGEN, AN ALKYL, CYCLOALKYL OR ARALKYL RADICAL AND Z MEANS THE RESIDUAL MEMBERS OF 5- OR 6-MEMBERED RING WHICH MAY CONTAIN A FUSED FURTHER 6-MEMBERED CARBOCYCLIC RING; B STANDS FOR AN AMINOARYL RADICAL OF THE GENERAL FORMULA 4-(R1-N(-R2)-)PHENYL IN WHICH R1 DENOTES HYDROGEN, AN ALKYL, ARALKYL, CYCLOALKYL OR ARYL RADICAL AND R2 MEANS AN ALKYL, CYCLOALKYL OR ARALKYL RADICAL, AND IN WHICH ALKYL RADICALS R1 AND R2 MAY BE FUSED TO FORM A RING, POSSIBLY WITH THE INCLUSION OF FURTHER HETERO ATOMS, OR B STANDS FOR AN INDOLE RADICAL OF THE GENERAL FORMULA 1-R4,2-R3-INDOL-3-YLIN WHICH R3 DENOTES HYDROGEN, AN ALKYL OR ARYL GROUP, A CARBOXYLIC ACID ESTER GROUP, AN OPTIONALLY N-SUBSTITUTED CARBONAMIDE GROUP OR AN ALKOXY GROUP, AND R4 MEANS HYDROGEN, AN ALKYL, ARALKYL, CYCLOALKYL OR ARYL RADICAL; X STANDS FOR AN ANIONIC RADICAL.

Inventors

• 👤 Roderich Raue
• 👤 Hans-Peter Kuhlthau

Bibliographic Details