Small/Medium scale textile processing industries: case study, sustainable interventions and remediation

A Althuri, ON Tiwari, VTK Gowda… - Indian Chemical …, 2022 - Taylor & Francis
The dyed fabrics from textile industries occupy a significant share in the global economy with
a world-wide market. Conventional natural dyes were gradually substituted by synthetic …

Microwave-assisted eco-friendly acid dyeing of proteinous fabrics using acid violet 3b dye

M Sundhu, MK Khosa, S Adeel… - Journal of Natural Fibers, 2022 - Taylor & Francis
Effluent load eluted from textile processing have forced traders and industrialists to employ
sustainable tool; which not only save energy, cost, and labor but also make the process …

A quantitative one-pot synthesis method for industrial azo pigments with recyclable wastewater

G Feng, M Zhu, L Liu, C Li - Green Chemistry, 2019 - pubs.rsc.org
Most industrial azo pigments are synthesized by diazotization in one pot and then coupling
in another. This two-pot process has been transformed into a one-pot method by adding …

Convenient and rapid diazotization and diazo coupling reaction via aryl diazonium nanomagnetic sulfate under solvent-free conditions at room temperature

N Koukabi, S Otokesh, E Kolvari, A Amoozadeh - Dyes and Pigments, 2016 - Elsevier
For the first time, nanomagnetic-supported sulfonic acid is used for conversion of several
types of aromatic amine, containing electron-withdrawing groups as well as electron …

Application of Photochromic Spiroindolinonaphthoxazines in Disperse Dyeing of Polyester: Re-evaluating Process Optimization by Analyzing Degradation Behavior …

N Oh, S Oh, MM Rahman, I Hong, Y Cho, H Byun… - Fibers and …, 2024 - Springer
In recent years, there has been a growing interest in smart textiles, and photochromic
compounds are well-established colorants in the manufacturing of UV-sensing smart …

Azo acid dyes based on 2H-Pyrido [1, 2-a] Pyrimidine-2, 4 (3H)-Dione with good tinctorial power and wetfastness-synthesis, photophysical properties, and dyeing …

Y Gawale, A Jadhav, N Sekar - Fibers and Polymers, 2018 - Springer
A series of five azo acid dyes were synthesized using different diazotized aromatic amine
sulfonic and carboxylic acids followed by coupling with 2H-pyrido [1, 2-a] pyrimidine-2, 4 …

New Synthetic Non-toxic Mono-azo Acid Dyes with Prominent Antibacterial Properties for Potential Application on Polyamide Fabrics

MSK Rafiq, A Jabbar, S Faisal, M Salman - Fibers and Polymers, 2024 - Springer
In pursuit of improving dyeability and incorporating antimicrobial attributes into polyamide
fabric, a series of mono-azo acid dyes (SN1–SN5) were synthesized. Sulfathiazole was …

Surface Modification of Cotton, viscose, and polyester/cotton blend fabrics using nano carboxyethylchitosan Before Dyeing with commercial acid dyes and …

FA Mohamed, TM Tawfik, HM Ibrahim - Egyptian Journal of …, 2023 - journals.ekb.eg
Chitosan (CS) and acrylic acid were combined in a Michael addition process to successfully
produce N-carboxyethylchitosan (CECS). Then carboxyethyl chitosan undergo ionic …

Synthesis, application and antimicrobial activity of new acid dyes based on 3-amino-2-thioxo-4-thiazolidinone nucleus on wool and silk fabrics

FA Mohamed, S Elkhabiry, IA Ismail… - Current Organic …, 2022 - ingentaconnect.com
The dyes are synthesized by 3-Amino-2-thioxo-4thiazolidinone (N-Amino rhodanine) with
glutaraldehyde or terephthalaldehyde by 2: 1 mole to form a and b then coupled with …

Substituent and Solvent Polarity on the Spectroscopic Properties in Azo Derivatives of 2-Hydroxynaphthalene and Their Difluoroboranes Complexes

A Skotnicka, P Czeleń - Materials, 2021 - mdpi.com
Novel fluorescent dyes such as difluoroborane complexes of 1-phenylazonaphthalen-2-ol
derivatives were successfully synthesized and characterized with a focus on the influence of …