Procedure for Reductive further purification of textiles containing polyester.

PROCEDURE FOR CLEANING TEXTILES BACK reductive MATERIALS CONTAINING colored or printed polyester and characterized in such a way that adds a mixture treatment agent AFTER BATH OF DYE ACID OR LIQUOR WASHING. INDICATED AS COMPONENTS mixture comprises: A) at least one compound of formula (I) A SUB.M [(CR 1 R SUP, 2) M SO 2 M] P, Q, where A is NR 33 OR SUP-Q , 42-P, R 1, R 2, R 4 are hydrogen, C 1 - C 6 alkyl, R 3 denotes alkyl groups are identical or different from the group COMPRISING HYDROGEN, C 1 - C 20 alkyl, C 3 - C 8 cycloalkyl, optionally substituted by 1 to 3 GROUPS C 1 C 4 alkyl, M is an equivalent of an ammonium ion, alkali or alkaline earth, M is 0 or 1, p is 1 or 2, Q is 1,2 O 3, BEING AT LEAST ONE OF THE GROUPS R 1, R 2, R 4 A C 1 - C 6 alkyl when A is OR 42-P, Y, when m is 0: P, Q have the value of 2. COMPOUND of the formula (I) is used in a mixture with an amount DESUSTANCIAS LINK acid is sufficient to increase the pH value BATH LIQUID DYE OR WASHING UNITS 1 to 3; B) optionally at least one compound of formula (II) A [(CR 1 R 2) SO 3 M] P, Q, wherein A, R 1, R 2, R 3, R 4, M, p and q have THE SAME GENERAL MEANING formula (I), c) optionally other additives.