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A polymaleic acid dye based on poly(maleic anhydride) was synthesised and evaluated in the dyeing of cotton. A series of dyeing auxiliaries were examined, and results showed that a composite auxiliary agent consisting of 20 g/l of zinc nitrate and 30 g/l of dicyandiamide was the most effective when a conventional pad‐dry‐cure dyeing process was used. The fixation could reach 99% and the wash and dry...
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