Synthesis of 2,4,6-trialkylamino-5-arylazopyrimidines and their application on synthetic fibres as disperse dyes

Abstract

129-131<span style="font-size:11.0pt;line-height:115%; font-family:" calibri","sans-serif";mso-ascii-theme-font:minor-latin;mso-fareast-font-family:="" calibri;mso-fareast-theme-font:minor-latin;mso-hansi-theme-font:minor-latin;="" mso-bidi-font-family:"times="" new="" roman";mso-ansi-language:en-us;mso-fareast-language:="" en-us;mso-bidi-language:ar-sa"="">Four monoazo disperse dyes, 2,4,6-trialkylamino-5-arylazopyrimidines, were prepared and their dyeing performance on polyester and polyamide fibres was assessed. The dyeings had lemon yellow shades with low pick-up, poor light fastness and moderate sublimation fastness on polyester fibres and good pick-up and light fastness on polyamide fibres.</span

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