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Title: Syntheses of 4-arylazo-5-[acetamido/N-(β-cyanoethylamino )]-acenaphthenes and their dyeing performance on polyester and polyamide fibres
Authors: Rangnekar, D W
Lokhande, S B
Keywords: Acenaphthene azo dyes;Disperse dyes;Dyeing;Polyamide fibre;Polyester fibre
Issue Date: Dec-1993
Publisher: NISCAIR-CSIR, India
Abstract: 4-Arylazo-5-acetamido acenaphthenes (Va-f)and 4-arylazo-5-N-(β-cyanoethylamino)acenaphthenes (VIa-f) were prepared from 4-arylazo-5-aminoacenaphthenes (IVa-f)-by acetylation and cyanoethylation respectively. The compounds IVa-f were obtained by coupling 5-aminoacenaphthene (II) with aryl diazonium salts (IIIa-f). The compounds Va-f and VIa-f when applied on polyester and polyamide fibres as disperse dyes gave golden yellow to scarlet shades with good pick-up and moderate light fastness. These compounds also exhibited very good sublimation fastness on polyester fibres.
Page(s): 207-210
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.18(4) [December 1993]

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