Verfahren zum kontinuierlichen Faerben synthetischer Fasermaterialien

摘要

Process for the continuous dyeing of synthetic fibre materials from organic solvents wherein the fibre materials are impregnated with dyeing liquors containing azo dyestuffs which are soluble in organic solvents and correspond to the formula IN WHICH A, R1, R2, R3 and R4 have the meaning given in the disclosure and are subsequently subjected to a heat treatment.