POLY-CYANAMID BOUND DYES COMPOUND AND PROCESS FOR THE THEREOF

• Main Authors: LEE, SAMG - YONG, KIM, HYONG - OP, KIM, JU - HYON, KWAK, HYON - TAE, LEE, YONG - HWAN, LEE, YONG - IK, KIM, YONG - MAN
• Format: Patent
• Language: English
• Published: 26.04.1993
• Edition: 5
• Subjects: ADHESIVES; CHEMISTRY; COMPOSITIONS BASED THEREON; DYES; LAKES; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; MORDANTS; NATURAL RESINS; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP

The polycyanamide-bound dyes of formula (I) is prepared by (a) diazotizing polycyanamide in the concentrated sulfuric acid, and (b) coupling the diazotized polyamide with fat brown B, methyl orange or its sodium salt. In formula, X is an integer of 10 to 30, and A is (a), (b) and (c). The photocurre...