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Title: Synthesis and dyeing characteristics of tetrahydrobenzo[b]thiophene-2-bisazo(-2-naphthols and -4-N,N-dialkylanilines)
Authors: Rangnekar, D W
Chitale, R S
Keywords: Azo disperse dyes;2-Bisazobenzo[b]thiophenes;Dyeing;Polyester
Issue Date: Jun-1990
Publisher: NISCAIR-CSIR, India
Abstract: Eight bisazo disperse dyes. 3-cyano- and 3-carbethoxy-4,5,6, 7-tetrahydrobenzo[b]thiophene-2-bisazo(-2-naphthols and -4-N,N-dialkylanilines), were prepared and their dyeing performance on polyester was assessed. The dyeings on polyester had bright red brown and red shades with good to excellent pick-up, low light fastness and fair to good sublimation fastness.
Page(s): 81-83
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.15(2) [June 1990]

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