Abstract
AbstractThe synthesis of a series of substituted 4‐amino‐2‐nitrodiphenylamines is described. These compounds dye synthetic polymer fibres in bordeaux to violet‐blue shades of moderate to poor light fastness. Light fastness properties are enhanced by the use of substituents which decrease the basicity of the 4‐amino group; such substitution, however, results in colour shifts into the yellow to orange region.
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