COLORANT BRUNE - VIOLET DIRECTE CUIVRABLE ET PROCEDE D'OBTENTION

• Main Authors: HAVLIK IAROSLAV V.A.,RO, GAGEONEA DORIN,RO, HAVLIK IULIA,RO
• Format: Patent
• Language: French; Romanian
• Published: 30.10.1988
• Edition: 4
• Subjects: 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

The process comprises asymmetric coupling of 4,4'-diamino-3,3'-dimethoxy diphenyl (bis diazotated) with salicylic acid. The resulting intermediate is then coupled with a mono azoic pigment obtained by mono coupling of 2-amino phenol-4 sulphonic acid with resorcinol. The paints incorporatin...