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Title: Synthesis and dyeing characteristics of 2-arylazo-3-dicyanomethyleneindan-1-one
Authors: Rangnekar, D W
Kamat, P Y
Keywords: Arylazo dyes;Disperse dyes;Dyeing;Indan-1-one derivatives;Polyester fibre
Issue Date: Mar-1993
Publisher: NISCAIR-CSIR, India
Abstract: 3-Dicyanomethyleneindan-1-one (II), prepared by the condensation of indan-1,3-dione (I) with malononitrile, was coupled with three representative 4-substituted phenyldiazonium salts (III) to give 2-arylazo-3-dicyanomethyleneindan-1-ones (lVa-c). These compounds when applied on polyester fibres gave bright yellow to orange shades with excellent pick-up, moderate light fastness and very good sublimation fastness.
Page(s): 54-56
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.18(1) [March 1993]

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