Synthesis of N-substituted arylhydrazones: applying to polyester fabric as disperse dyes

Purpose The purpose of this paper is to prepare new disperse dyes and apply for dying polyester fabrics. Design/methodology/approach The synthetic reaction was carried out through two steps: preparation of arylhydrazones and alkylation using enaminone and dimethylaminovinyl-pyridazine. The high temp...

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Bibliographic Details
Published in:Pigment & resin technology 2017-11, Vol.46 (6), p.449-457
Main Authors: Elassar, Abdel-Zaher A, Al-Mousawi, Saleh M, Helal, Maher Helmi, Elgazzar, Mohamed E
Format: Article
Language:English
Subjects:
Alkylation
Biocompatibility
Chemistry
Dispersion
Dyes
Ethanol
Fabrics
Infrared radiation
Mass spectrometry
NMR
Nuclear magnetic resonance
Polyesters
Science
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Summary:Purpose The purpose of this paper is to prepare new disperse dyes and apply for dying polyester fabrics. Design/methodology/approach The synthetic reaction was carried out through two steps: preparation of arylhydrazones and alkylation using enaminone and dimethylaminovinyl-pyridazine. The high temperature method was used to apply these dyes to polyester fibres. Findings The study revealed that there is a significant effect of the new prepared disperse dyes on polyester fabrics. The structures of the prepared dyes were established based on elemental analysis and spectral data (infra red (IR), mass spectrometry (MS) and proton nuclear magnetic resonance (1H-NMR), carbon 13th nuclear magnetic resonance (13C-NMR)). Research limitations/implications Disperse dyes containing heterocyclic moiety have attracted great academic and industrial attention owing to their significant. The potential of using disperse dyes easily prepared from arylhydrazones are promise broad applications for these dyes. Practical implications The presence of N-thienyl and N-pyridazinyl in the structure of the synthesised disperse dyes would be expected to add the bioactivity advantage. Also, it can be used in formulating the antimicrobial fabrics. Social implications The N-thienyl and N-pyrdiazinyl derivatives of azo dyes are expected to be superior to in the application for fabrics. It may be useful for other applications like painting. Originality/value This paper helps to synthesise novel thiophene or pyridazine-based dyestuff for application in dying properties on polyester fabric and study their fastness properties.
ISSN:0369-9420
1758-6941
DOI:10.1108/PRT-10-2016-0094