Preparation method of black reactive dye with high color fixing rate

The invention relates to a preparation method of a black reactive dye with high color fixing rate. The preparation method comprises the following steps: Step 1, an acid coupling reaction is carried out to obtain an acid coupling substance; Step 2, an alkali coupling reaction is carried out to obtain...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	YANG JIQUN
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES
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