52610-09-0Relevant articles and documents
H-acid bisazo multi-active-group active dark blue dye as well as preparation method and application thereof
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Paragraph 0017-0018, (2020/05/08)
The invention discloses an H-acid bisazo multi-active-group active dark blue dye. The structural formula of the dye is as shown in the formula (1), wherein R1 equals -H or -SO3H, R2 =-H or COONa, andwhen R2 equals -COONa, R1 equals -H, R3 and R4 are selected from one of formulas (2)-(5), and (2); (3); (4); (5); wherein R5 is selected from one of formulas (6)-(7), (6); (7).
Asymmetric metal complex black dye and preparation method thereof
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Paragraph 0123-0130, (2019/01/07)
The invention relates to an asymmetric metal complex black dye and a preparation method thereof. Specifically, the asymmetric metal complex black dye has a structure represented by the following formula (1). The dye combines the advantages of acid dyes and reactive dyes, and is suitable for printing dyeing of fiber materials containing hydroxyl or amino groups. The dyeing process is simple, stableand reliable, and the dyeing effect is excellent. The material dyed by the dye has good fastness to wet and fastness to daylight.
Composition of reactive yellow dyes
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Paragraph 0030; 0031, (2016/12/07)
The present invention relates to a composition of a reactive yellow dye prepared by mixing 90-99 parts by weight of a compound represented by general formula (I) and 1-10 parts by weight of a compound represented by general formula (II). A in general formula (I) and (II) is described as the same in general formula (III), (IV), (V) and (VI) where R_1, R_2, R_3, R_4, R_5, R_6, R_7, R_8 and R_9 are independently hydrogen, methyl, ethyl, phenyl, halogen, methoxy, ethoxy, hydroxyl, uredio, sulfone, methyl amino, ethyl amino, sulfamoyl, carboxyl group, etc.COPYRIGHT KIPO 2015