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Invention Publication
CN103459513A 水溶性偶氮染料、含有其的染料组合物以及使用其的染色方法 有权

水溶性偶氮染料、含有其的染料组合物以及使用其的染色方法
Abstract:
本发明涉及一种由下式(1)表示的双偶氮化合物或其盐(在式中，Ar1表示在相对于偶氮基的邻位被羟基或甲氧基取代并且然后被羧基取代的苯基，并且Ar2表示在相对于偶氮基的邻位被羟基或甲氧基取代并且然后可以被磺酸基、磺酰胺基或羧基取代的苯基)。
Abstract(English):

The present invention relates to a disazo compound or salt thereof, expressed by the following formula (1) (in the formula, Ar1 represents a phenyl group that is substituted with a hydroxy group or a methoxy group at the ortho position with regards to the azo group, and then substituted with a carboxyl group; and Ar2 represents a phenyl group that is substituted with a hydroxy group or a methoxy group at the ortho position with regards to the azo group, and which may then be substituted with a sulfonate group, sulfonamide group, or carboxyl group).

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