Green light black dye as well as preparation method and application thereof

• Main Authors: BAO JIANNAN, LIN DAYONG, CAO SHICHUAN, SUN ZHENG, XU XIANGDONG, YU FUTIAN
• Format: Patent
• Language: Chinese; English
• Published: 05.09.2023
• Subjects: ADHESIVES; CHEMISTRY; DYEING LEATHER, FURS, OR SOLID MACROMOLECULAR SUBSTANCES INANY FORM; DYEING OR PRINTING TEXTILES; DYES; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; LAKES; LAUNDERING; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; PAINTS; POLISHES; TEXTILES; TREATMENT OF TEXTILES OR THE LIKE

The invention relates to the field of printing and dyeing, in particular to a green light black dye and a preparation method thereof.The preparation method comprises the steps that 2-amino-5-nitrophenol serves as an initial raw material, diazotization reactions are conducted twice, a dispersing agent is added in the two coupling reactions, and an obtained conjugate can be directly subjected to a complexation reaction without aftertreatment; and drying the obtained complex to obtain the product. The green-light black dye is excellent in colored light and is an environment-friendly dye. 本发明涉及印染领域，特别是涉及一种绿光黑染料及其制备方法，以2-氨基-5-硝基苯酚为起始原料通过两次重氮化反应、两次偶合反应中加入分散剂，得到的偶合物不需要后处理可以直接进行络合反应，对得到的络合物进行烘干即可得到产品；本绿光黑染料色光优，是环保型染料。