Dyeing of Polyester and Nylon with Semi-synthetic Azo Dye by Chemical Modification of Natural Source Areca Nut

doi:10.1007/s13659-017-0144-8

应用天然产物 ›› 2018, Vol. 8 ›› Issue (1): 23-29.DOI: 10.1007/s13659-017-0144-8

Dyeing of Polyester and Nylon with Semi-synthetic Azo Dye by Chemical Modification of Natural Source Areca Nut

Ashitosh B. Pawar, Sandeep P. More, R. V. Adivarekar

Department of Fibers and Textile Processing Technology, Institute of Chemical Technology, Mumbai, India

收稿日期:2017-08-31 修回日期:2017-11-07 出版日期:2018-02-24 发布日期:2018-02-27
基金资助:
We highly acknowledge the University Grants Commission-Special Assistance Programme (UGC-SAP)-BSR SECTION for fellowship. One of the author, More S. P. would also like to acknowledge DST for INSPIRE faculty award.

Dyeing of Polyester and Nylon with Semi-synthetic Azo Dye by Chemical Modification of Natural Source Areca Nut

Ashitosh B. Pawar, Sandeep P. More, R. V. Adivarekar

Department of Fibers and Textile Processing Technology, Institute of Chemical Technology, Mumbai, India

Received:2017-08-31 Revised:2017-11-07 Online:2018-02-24 Published:2018-02-27
Contact: R. V. Adivarekar

摘要/Abstract

摘要： Various azo compounds (Modified dyes) have been synthesised by chemical modification of areca nut extract (epicatechin), a plant-based Polyphenolic compound to get semi-synthetic dyes. Three different primary amines namely p-nitro aniline, p-anisidine and aniline, were diazotized to form their corresponding diazonium salts which were further coupled with an areca nut extract. Preliminary characterization of the areca nut extract and the resultant azo compounds (Modified dyes) was carried out in terms of melting point, solubility tests, thin layer chromatography, UV-Visible and FTIR spectroscopy. These modified dyes were further applied on polyester and nylon fabrics and% dye exhaustion was evaluated. Dyed fabrics were further tested for their fastness properties such as wash fastness, rubbing fastness, light fastness and sublimation fastness. The results of the fastness tests indicate that, all the three modified dyes have good dyeability for polyester and nylon fabrics. The dyed fabrics were also tested for ultraviolet protection factor which showed very good ultraviolet protection.

关键词: Semi-synthetic azo dye, Chemical modification, Modified dyes, Areca nut, Ultraviolet protection factor

Abstract: Various azo compounds (Modified dyes) have been synthesised by chemical modification of areca nut extract (epicatechin), a plant-based Polyphenolic compound to get semi-synthetic dyes. Three different primary amines namely p-nitro aniline, p-anisidine and aniline, were diazotized to form their corresponding diazonium salts which were further coupled with an areca nut extract. Preliminary characterization of the areca nut extract and the resultant azo compounds (Modified dyes) was carried out in terms of melting point, solubility tests, thin layer chromatography, UV-Visible and FTIR spectroscopy. These modified dyes were further applied on polyester and nylon fabrics and% dye exhaustion was evaluated. Dyed fabrics were further tested for their fastness properties such as wash fastness, rubbing fastness, light fastness and sublimation fastness. The results of the fastness tests indicate that, all the three modified dyes have good dyeability for polyester and nylon fabrics. The dyed fabrics were also tested for ultraviolet protection factor which showed very good ultraviolet protection.

Key words: Semi-synthetic azo dye, Chemical modification, Modified dyes, Areca nut, Ultraviolet protection factor

Ashitosh B. Pawar, Sandeep P. More, R. V. Adivarekar. Dyeing of Polyester and Nylon with Semi-synthetic Azo Dye by Chemical Modification of Natural Source Areca Nut[J]. 应用天然产物, 2018, 8(1): 23-29.

Ashitosh B. Pawar, Sandeep P. More, R. V. Adivarekar. Dyeing of Polyester and Nylon with Semi-synthetic Azo Dye by Chemical Modification of Natural Source Areca Nut[J]. Natural Products and Bioprospecting, 2018, 8(1): 23-29.

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Dyeing of Polyester and Nylon with Semi-synthetic Azo Dye by Chemical Modification of Natural Source Areca Nut

Dyeing of Polyester and Nylon with Semi-synthetic Azo Dye by Chemical Modification of Natural Source Areca Nut

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