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    • 9. 发明授权
    • Mixtures of optical brighteners
    • 荧光增白剂的混合物
    • US4416795A
    • 1983-11-22
    • US346561
    • 1982-02-08
    • Thomas MartiniHans FrischkornErich SchinzelHeinz Probst
    • Thomas MartiniHans FrischkornErich SchinzelHeinz Probst
    • C09B67/22C09K11/06D06L3/12
    • D06L3/125
    • Mixtures of optical brighteners composed of(a) 1 to 99% by weight of one or more compounds of the formula (1) ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5 and R.sub.6 can be identical or different and denote hydrogen, chlorine, C.sub.1 -C.sub.4 carbalkoxy, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy and(b) 99 to 1% by weight of one or more compounds of the formulae ##STR2## in which n denotes 0 or 1, R.sub.7 and R.sub.8 denote identical or different radicals from the group comprising hydrogen, fluorine, chlorine, phenyl, trifluoromethyl, C.sub.1 -C.sub.4 -alkyl, alkoxy, cyano, carboxyl, carboalkoxy, carboxamide or alkyl sulfonates, and two adjacent radicals R.sub.7 and R.sub.8 together can also represent a benzene ring, a lower alkylene group or a 1,3-dioxapropylene group, and B denotes a cyano group, a carboxylate group or a carboxamide group or a 1,2,4-oxadiazol-3-yl group, a 1,3,5-oxadiazol-2-yl group, a phenyl group or a 1,3,4-oxadiazol-2-yl group.
    • 由(a)1至99重量%的一种或多种式(1)化合物(1)组成的荧光增白剂的混合物其中R1,R2,R3,R4,R5和R6可以相同或不同, 表示氢,氯,C 1 -C 4烷氧基,C 1 -C 4烷基或C 1 -C 4 - 烷氧基,(b)99至1重量%的一种或多种下式的化合物:(IMAG)(2) (5)其中n表示0或1,R7和R8表示与氢,氟,氯,苯基,三氟甲基,C 1 -C 4 - 烷基,烷氧基中的基团相同或不同的基团 ,氰基,羧基,烷氧羰基,甲酰胺或烷基磺酸盐,两个相邻基团R7和R8一起也可以表示苯环,低级亚烷基或1,3-二氧亚丙基,B表示氰基,羧酸酯基 或甲酰胺基或1,2,4-恶二唑-3-基,1,3,5-恶二唑-2-基,苯基或1,3,4-恶二唑-2-基 。