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    • 9. 发明授权
    • Color-stable brighteners for detergents
    • 用于洗涤剂的颜色稳定的增白剂
    • US4263176A
    • 1981-04-21
    • US94830
    • 1979-11-16
    • Thomas MartiniHelmut MenglerGunter RoschGunter Hohlfeld
    • Thomas MartiniHelmut MenglerGunter RoschGunter Hohlfeld
    • C11D3/42D06L3/12C09K11/06C11D1/14C11D3/28
    • D06L3/125C11D3/42
    • Brighteners for detergents consisting of a mixture of 4,4'-bis-(2-morpholino-4-anilino-1,3,5-triazinylamino)-stilbene-2,2'-disulfonic 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.
    • 用于由4,4'-双 - (2-吗啉代-4-苯胺基-1,3,5-三嗪基氨基) - 茋-2,2'-d-磺酸二钠盐的混合物组成的洗涤剂增白剂和 在所述光亮剂中计算5-50重量%的另一种上式中的式“IMAGE”+ TR 的光亮剂,M是碱金属阳离子,优选钠,X是式-COR 2的基团 或-SO 2 R 3,R 2是C 1 -C 8 - 烷基,R 3是C 1 -C 5 - 烷基,C 4 -C 8 - 环烷基,苯基或甲苯基,Y是氢或C 1 -C 5 - 烷基,A是C 3 -C 6亚烷基,R 1是 氢,C 1 -C 5 - 烷基,C 4 -C 8 - 环烷基或式IMA IMA的基团,Z是苯胺基,氯苯胺基或吗啉代基。 所述增白剂混合物是颜色稳定的,并且即使在潮湿的气氛中长时间储存​​后也不显示任何绿色变色。