公开(公告)号：IT7927408D0

公开(公告)日：1979-11-19

申请号：IT2740879

申请日：1979-11-19

Applicant: HOECHST AG

Inventor： THOMAS MARTINI ,  HELMUT MENGLER ,  ROSCH GUNTER ,  HOHLFELD GUNTER

IPC: C11D3/42 ,  D06L3/12 ,  D06L4/65 ,  D06L

Abstract: Brighteners for detergents consisting of a mixture of 4,4'-bis-(2-morpholino-4-anilino-1,3,5-triazinylamino)-stilbene-2,2'-d isulfonic acid-di-Na salt and from 5 to 50% by weight, calculated on said brightener, of another brightener of the formula +TR in the above formula, M is an alkali metal cation, preferably sodium, X is a group of the formula -COR2 or -SO2R3, R2 being C1-C8-alkyl and R3 being C1-C5-alkyl, C4-C8-cycloalkyl, phenyl or toluyl, Y is hydrogen or C1-C5-alkyl, A is C3-C6-alkylene, R1 is hydrogen, C1-C5-alkyl, C4-C8-cycloalkyl, or a group of the formula and Z is an anilino group, a chloroanilino group or a morpholino group. Said brightener mixtures are color-stable and do not show any green discoloration even after a prolonged storage in a moist atmosphere.