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Title: Synthesis and dyeing characteristics of 3,6-bisarylazopyrazolo- [1,5-a]pyrimidines
Authors: Rangnekar, D W
Puro, S S
Keywords: Azo disperse dyes;Azo disperse reactive dyes;3,6-bisarylazopyrazolo[1,5-a]pyrimidines;Dyeing;Polyester;Polyamide
Issue Date: Mar-1990
Publisher: NISCAIR-CSIR, India
Abstract: Nine bisazo disperse dyes, 2-methyl-7-hydroxy-3,6-bisarylazopyrazolo[1,5-a]pyrimidin-5-ones, 2-methyl-5,7-bis(morpholino and piperidino)-3,6-bisarylazopyrazolo[1,5-a]pyrimidines and three bisazo disperse reactive dyes, 2-methyl-5, 7-dichloro-3,6-bisarylazopyrazolo[1,5-a]pyrimidines, were prepared and their dyeing performance on polyester and polyamide was assessed. The dyeings on polyester had yellow, orange and orange red shades with low pick-up, moderate light fastness and good sublimation fastness and the dyeings on polyamide had orange shades with low pick-up and moderate light fastness.
Page(s): 23-25
ISSN: 0975-1025 (Online); 0971-0426 (Print)
Appears in Collections:IJFTR Vol.15(1) [March 1990]

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