Restalgic dye composition and application thereof

• Main Author: YAN GUOQIANG
• Format: Patent
• Language: Chinese; English
• Published: 27.10.2023
• 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 technical field of dyes, and particularly discloses a nostalgic dye composition and application thereof. The invention relates to a nostalgic dye composition, which is characterized by comprising one or more dye compounds represented by a general formula (I), one or more dye compounds represented by a general formula (II) and one or more dye compounds represented by a general formula (III): # imgabs0 # imgabs1 # imgabs2 #, in the general formula (I), R1 and R2 are respectively and independently-OH,-OCH3 or-OCH2CH3; r < 3 > and R < 4 > are respectively and independently-H,-CH3,-CH2OH or-CH2CH2OH; in the general formula (II), R5 is respectively and independently-OH,-OCH3 or-OCH2CH3; in the general formula (II) and the general formula (III), M is an alkali metal cation or a hydrogen atom. When the nostalgic dye composition is applied to one-bath dyeing operation, the obtained product has excellent and stable color fastness in various application environments. 本申请涉及染料技术领域，具体公开了一种怀旧染料组