公开(公告)号：US3679350A

公开(公告)日：1972-07-25

申请号：US3679350D

申请日：1970-05-06

Applicant: HOECHST AG

Inventor： LOWENFELD RUDOLF ,  KAISER HANS

IPC: D06P3/68 ,  D06P3/82

CPC classification number: D06P3/68 ,  D06P3/8257 ,  Y10S8/908 ,  Y10S8/915 ,  Y10S8/922

Abstract: PROCESS FOR THE SEMI-CONTINUOUS OR CONTINUOUS DYEING OF TEXTILE MATERIAL MADE FROM MIXTURES OF POLYESTER AND CELLULOSIC FIBRES, THE POLYESTER FIBRE PORTION OF WHICH HAVING BEEN PREDYED WITH DISPERSE DYESTUFFS, BY IMPREGNATING SAID TEXTILE MATERIAL WITH AN ALKALINE SOLUTION CONTAINING A COUPLING COMPONENT AND A DIAZOAMINO OR TETRAZOAMINO COMPOUND OR AN ANTI-DIAZOTATE, AS WELL AS WETTING AND DISPERSING AGENTS, AND SUBSEQUENTLY TREATING THE TEXTILE MATERIAL, WITHOUT INTERMEDIATE DRYING, WITH AN ACIDIC SOLUTION AT TEMPERATURES OF FROM 50* TO 80*C. TO ACHIEVE DEVELOPMENT OF THE DYESTUFF OF THE FIBRE.