Color-stable brighteners for detergents

Details Color-stable brighteners for detergents Color-stable brighteners for detergents

1979-11-16

1981-04-21

Albrecht, Dennis L.

Compositions

Fluent dielectric

N-containing

25217413, 25217423, 25230123, 25230134, 25230135, 252401, 252402, 252403, 252524, 252535, 252554, 542461, C09K 1106, C11D 114, C11D 328, C11D 342

Patent

active

042631769

ABSTRACT:
Brighteners for detergents consisting of a mixture of 4,4'-bis-(2-morpholino-4-anilino-1,3,5-triazinylamino)-stilbene-2,2'-disul fonic acid-di-Na salt and from 5 to 50% by weight, calculated on said brightener, of another brightener of the formula ##STR1## in the above formula, M is an alkali metal cation, preferably sodium, X is a group of the formula --COR.sub.2 or --SO.sub.2 R.sub.3, R.sub.2 being C.sub.1 -C.sub.8 -alkyl and R.sub.3 being C.sub.1 -C.sub.5 -alkyl, C.sub.4 -C.sub.8 -cycloalkyl, phenyl or toluyl, Y is hydrogen or C.sub.1 -C.sub.5 -alkyl, A is C.sub.3 -C.sub.6 -alkylene, R.sub.1 is hydrogen, C.sub.1 -C.sub.5 -alkyl, C.sub.4 -C.sub.8 -cycloalkyl, or a group of the formula ##STR2## 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.

REFERENCES:
patent: 3655574 (1972-04-01), Frischkorn
patent: 3726814 (1973-04-01), Lancz
patent: 3846324 (1974-11-01), Lohmann
patent: 3951960 (1976-04-01), Heath
patent: 3951965 (1976-04-01), Mengler

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