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Recrystallization-resistant monoazo pigment mixtures of high tinctorial strength, process for their preparation and their use
Recrystallization-resistant monoazo pigment mixtures of high tinctorial strength, process for their preparation and their use
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机译:高着色力的抗重结晶单偶氮颜料混合物,其制备方法和用途
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摘要
By coupling diazotized amines of the benzene series onto acetoacetic acid arylides, in which process more than one diazo and/or coupling component is applied and from 0.1 to 20 molar % of the diazo and/or coupling component contain acid groups, and by subsequently reacting the reactive acid groups of the product obtained by coupling with cation- active quaternary compounds, recrystallization-resistant monoazo pigment mixtures are obtained which are suitable for the preparation of varnishes, printing inks, and oily and aqueous compositions.
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