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Littérature scientifique sur le sujet « Dyes and dyeing Chemistry »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 31 janvier 2023

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Articles de revues sur le sujet "Dyes and dyeing Chemistry"

Cui, Shuling. « Structure and dyeing properties of jade fibre ». Pigment & ; Resin Technology 43, n^o 3 (29 avril 2014) : 139–44. http://dx.doi.org/10.1108/prt-08-2013-0071.

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Purpose – Based on clarifying the structural difference between jade fibre and general polyester fibre, this paper aims to study the dyeing properties and dyeing adsorption mechanism of jade fibre with disperse dye and cationic dye. Design/methodology/approach – The chemical structure and microstructure of jade fibre were briefly explained comparing with ordinary polyester fibre. The dyeing rate curve and dyeing adsorption isotherm of disperse dyes and cationic dyes on jade fibre were, respectively, studied. The dyeing uptake, dyeing absorption mechanism, and the main dyeing process parameters were proposed. Findings – Jade fibre can be dyed with cationic dye and disperse dye. The suitable exhaust dyeing process is 110°C and 40 minutes for disperse dye, 100°C and 60 minutes for cationic dye. The dyeing uptake on jade fibre with both disperse dyes or cationic dyes is much higher than that on general polyester fibre and acrylic fibre, and the dyeing adsorption mechanism belongs to the combination of Langmuir and Nernst adsorption for disperse dyes and Langmuir adsorption for cationic dyes. Comparing with ordinary polyester fibre, jade fibre has the advantage of low temperature dyeing and reduced effluent, as is significant to energy-saving and emission reduction. Originality/value – Jade fibre is a new type of modified polyester fibre with the function of health protection and energy conservation. There are little technical data in the literature at present about the dyeing property of jade fibre.

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Atav, Riza, Elçin Güneş, Deniz İzlen Çifçi et Yalçın Güneş. « Comparison of Wool Fabric Dyeing with Natural and Synthetic Dyes in View of Ecology and Treatability ». AATCC Journal of Research 7, n^o 6 (1 novembre 2020) : 15–22. http://dx.doi.org/10.14504/ajr.7.6.3.

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The aim of this study was to compare the fastness properties and wastewater quality in obtaining the same color on 100% woven wool fabric with natural (madder) and synthetic (1:1 metal complex) dyes. The same color, with similar wet fastness properties, was obtained on the wool fabric when dyed with either dye. On the other hand, conductivity, chemical oxygen demand (COD), and the ammonia nitrogen (NH3-N) content of dyeings carried out with the synthetic dye mixture were considerably higher than dyeing with madder root extract, and its pH was more acidic. However, the amount of volatile suspended solids and color obtained in natural dyeing was higher than the amount in the synthetic dyeing wastewater.

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VERMA, MONA, SAROJ S. JEET SINGH et NEELAM M. ROSE. « OPTIMIZATION OF REACTIVE DYEING PROCESS FOR CHITOSAN TREATED COTTON FABRIC ». Cellulose Chemistry and Technology 56, n^o 1-2 (1 mars 2022) : 165–75. http://dx.doi.org/10.35812/cellulosechemtechnol.2022.56.16.

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The colour of textiles plays an important role in the marketability of fabrics, due to its psychological and eye-catching effects on consumers. Synthetic dyes are widely used in the textiles industry due to their ability to reproduce different colours and shades, easy application method and huge production to fulfill the demands of ever-increasing population. Reactive dyes are most commonly used for cotton fabric, due to their brilliant colours and good washing fastness. However, the major problem with reactive dyes is that they consume huge amounts of alkali or salts as mordant for the fixation of dyes on cotton fabric. Most of the commercial dyeing units and textile export houses have started seeking possibilities to use safe synthetic dyes for dyeing different textiles for targeting the niche market. For that purpose, appropriate standardized scientific dyeing techniques and procedures need to be adopted. In the present study, the use of chitosan as mordant, instead of alkali or salt, was investigated for dyeing cotton fabric with reactive red dye, and the dyeing variables were optimized to attain the maximum colour strength value. The results of study showed that higher percent dye absorption (78.90%), colour strength (18.72) and good wash fastness rating (4/5) were achieved for the chitosan treated dyed fabric, compared to the alkali treated dyed sample (68.36% and 13.03, respectively).

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Shimo, Salima Sultana, et Md Zulhash Uddin. « Energy Level and Chemical Class of Disperse Dyes—Plausible Characteristics of Level Dyeing Performance ». AATCC Journal of Research 8, n^o 4 (1 juillet 2021) : 15–19. http://dx.doi.org/10.14504/ajr.8.4.3.

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The level dyeing index (LDI) is a measure of dye performance influenced by the dye migration process, ensuring the maximum uniformity of dye redistribution onto the fabric surface. The current study evaluates the level dyeing performance on polyester according to the energy level (low and high) and chemical classes (azo and anthraquinone based) of the three disperse dyes studied. The best levelness was obtained using C.I. Disperse Red 73 (an azo-based, low-energy level disperse dye), which exhibited the highest migration index (MI%) value. LDI results were obtained from the ratio of the exhaustion at the critical dyeing temperature (ECDT% and the final exhaustion Ef%), and the migration index (MI%). Each dye's LDI can be used to determine the compatibility of disperse dyes for combination dyeing.

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Cheng, Yu-Wen, Jean-Sebastien Benas, Fang-Cheng Liang, Shang-Ming Lin, Ting-Wang Sun, Fu-Chieh Liu, Yang-Yen Yu et Chi-Ching Kuo. « Synthesis of Azo Disperse Dyes with High Absorption for Efficient Polyethylene Terephthalate Dyeing Performances in Supercritical Carbon Dioxide ». Polymers 14, n^o 15 (26 juillet 2022) : 3020. http://dx.doi.org/10.3390/polym14153020.

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Supercritical carbon dioxide dyeing (SCDD) not only enables strong dyeing performance for a versatile range of polymer material but is also regarded as a green chemical media due to its low environmental impact as well as low risk of product denaturation. Over the decades, azo disperse dyes have been revealed to be efficient dyes and represent the wide majority of dyeing material. Azo dyes possess a wide variety of functional groups to optimize dye synthesis and tune the light absorption properties. Using SCDD, end-chain of different lengths, and functional group exhibiting various electronic affinity, six disperse red azo dyes were synthesized to investigate dyeing performances as woven fabric type, color strain, and color fastness after dyeing are discussed. Dye structure synthesized through a coupling reaction was confirmed by 1H NMR and mass spectroscopy. We found that the light absorption wavelength and absorption coefficient value variation are associated to the nature of the functional group. From the color strength values of the polyethylene terephthalate woven after dyeing, we find that the fiber host and dye dopant chemical structure greatly influence the dyeing process by providing enhanced woven, color strain, and color fastness. In comparison with commercial products, our approach not only improves the dyeing process but also guarantees a strong resistance of the dyed product against water, detergent, perspiration, abrasion, and friction.

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Pawar, Ashitosh B., Kaustubh C. Patankar, Pallavi Madiwale et Ravindra Adivarekar. « Application of chemically modified waste Allium cepa skin for one bath dyeing of polyester/wool blend fabric ». Pigment & ; Resin Technology 48, n^o 6 (4 novembre 2019) : 493–501. http://dx.doi.org/10.1108/prt-11-2018-0118.

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Purpose The purpose of this paper is to highlight the one bath dyeing method for polyester/wool (PES/Wo) blend fabric with two different semi-synthetic azo dyes developed by chemically modifying the outer skin of Allium cepa. Design/Methodology/Approach Chemical modification is the most heartening way to impart improved properties to natural sources. Two different primary amines were coupled with the Allium cepa skin extract by a diazo coupling reaction. Synthesised dyes were characterized for their percentage yield, solubility tests, melting point, particle size analysis as well as FTIR spectroscopy and UV-Visible analysis. One bath dyeing methodology was used for application of synthesized dyes on PES/Wo blend fabric. Dyeing was performed at boil without any additional auxiliary and further percentage dye exhaustion was evaluated. Findings Dyeing yielded solid shade on PES/Wo blend fabric with satisfactory levelness in dyeing. The efficacy of synthesized dyes for dyeing of PES/Wo fabric was studied by wash, rub, light and sublimation fastness properties, which are in good agreement with commercial requirements. The antimicrobial activity of the synthesized dyes shows excellent activity in dye powder form (AATCC 147 test method) as well as on dyed fabrics (AATCC 100 test method). Originality/Value Present research work is a first successful attempt to dye PES/Wo blend fabric with semi-synthetic azo dyes in single bath at boil. Such approach facilitates minimum consumption of energy, cost and time.

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Gaffer, Hatem, Hamada Mashaly, Shaymaa Hassan Abdel-Rhman et Mamdouh Hammouda. « Synthesis of novel dyes based on curcumin for the creation of antibacterial silk fabrics ». Pigment & ; Resin Technology 46, n^o 6 (6 novembre 2017) : 478–84. http://dx.doi.org/10.1108/prt-11-2016-0112.

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Purpose The study reported in this paper aims to synthesize some new curcumin containing sulphadiazine and sulphathiazole dyestuffs and study their application in dyeing silk fabrics rendering the dyed fabric antibacterial. Design/methodology/approach Simultaneous dyeing and antibacterial finishing for silk fabric using a new antibacterial acid dye having a modified chemical structure to curcumin were conducted. This modification of curcumin dye was carried out by introducing sulphonamide containing heterocyclic rings sulphadiazine and sulfathiazole through coupling with curcumin. All newly synthesized dyes were characterized by elemental analyses and spectral data (IR, 1H-NMR and MS). The dyeing characteristics of these dyestuffs were evaluated at optimum conditions. Antibacterial activities of the dyed samples at different concentrations of both dyes were studied against gram-positive (Staphylococcus aureus) and gram-negative (Salmonella typhimurium) bacteria. Findings The synthesized curcumin-containing sulphonamide dyes were applied on silk fabrics. The modified dyes exhibited good fastness properties compared to curcumin dye at optimum conditions. It was found that synthesized dyes exhibit good fastness and antibacterial properties efficient against gram-positive and gram-negative bacteria. The dyed silk fabrics showed higher antibacterial efficacy after many times of washing. Originality/value Curcumin, a common natural dye used for fabric and food colouration, was used as an antimicrobial finish due to its bactericidal properties on dyed textiles. A common dyeing process could provide textiles with colour as well as antimicrobial properties. Novel antibacterial dyestuff containing curcumin moieties with sulphonamide coupler components were shown to be an interesting natural colorant for silk with high antimicrobial ability of the dyed silk fabrics. This work has afforded a new acid dye that can be used in medical textile.

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Maradiya, Hari, et Vithal Patel. « Dyeing of hydrophobic fabrics with disperse dyes ». Journal of the Serbian Chemical Society 66, n^o 6 (2001) : 367–76. http://dx.doi.org/10.2298/jsc0106367m.

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A series of disperse dyes has been synthesized by diazotisation of 2,6-dibromo-4-nitroaniline and coupled with various N-arylmaleimides. The dyes were characterized by IR spectral studies, visible absorption spectroscopy and elemental analysis. All the dyes were applied as disperse dyes on nylon, cellulose triacetate and polyester fabrics. These dyeswere found to give yellowish orange to deep brown shades with very good depth, levelness and brightness on different fabrics. The percentage dye bath exhaustion and fixation on fabrics were found to be very good. The light, washing, rubbing, perspiration and sublimation fastness properties of the dyed fabrics were found to be good to excellent.

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Li, Guanggen. « Extraction and Dyeing Techniques of Traditional Vegetable Dyestuffs ». International Journal of Analytical Chemistry 2022 (9 juillet 2022) : 1–6. http://dx.doi.org/10.1155/2022/4173886.

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In order to explore the influencing factors of the extraction of vegetable dyes, a research method for the extraction and dyeing of traditional vegetable dyes was proposed. In this paper, the effects of extraction temperature, extraction time, and the ratio of solid to liquid on the extraction effect were discussed through orthogonal experiments. The dyeing process of silk extract was used in this study. The silk fabric was directly dyed with natural dye from peach leaves, compared with the three dyeing methods of premordant, same-bath mordant, and postmordant, and the color fastness to soaping of the dyed fabric was tested. The results show that the color fastness to soaping of leaf-dyed fabrics conforms to the national standard of superior grades, which effectively proves the correctness of the algorithm and model nature and superiority.

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PAKHOLIUK, OLENA, IRINA MARTIROSYAN, VIRA LUBENETS et OKSANA PEREDRII. « INFLUENCE OF “COLD” DYEING TECHNOLOGY ON FABRIC CHARACTERISTICS ». Cellulose Chemistry and Technology 55, n^o 7-8 (30 août 2021) : 911–17. http://dx.doi.org/10.35812/cellulosechemtechnol.2021.55.77.

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"The current work presents a comparative analysis of the colour fastness against repeated washing of cellulose-containing fabrics dyed by “cold” and classical technologies, using different types of active dyes, at various concentrations in the dye bath. Mathematical models have been proposed to describe the determined dependencies. The study uses Reakol dyes – a trademark of bifunctional active dyes manufactured by Khimtex (Kherson), which can be used for “cold” resource-saving dying technologies. The studied active dyes are characterized by a wide colour spectrum, good solubility, colour purity and high resistance of colours to wet treatments. The study has found that increasing the concentration of Reakol dyes in the dye bath, from 10 to 30 g/L, as a rule, had no significant influence on the colour fastness of fabrics to repeated washing. However, the colour intensity on the fibre significantly rose when increasing the dye concentration in the dye bath. It was determined that, when using the “cold” dyeing technology, sweeping changes in the general colour contrast and residual concentration of the dye on the fibre occurred after the first 5 washes. The changes in these indicators somewhat stabilized after the following 10-20 washes. However, a proportional relationship between the variation in the general colour contrast and a decrease in the dye colour intensity on the fibre after the corresponding number of washes of the studied fabrics was not detected. "

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Thèses sur le sujet "Dyes and dyeing Chemistry"

Matthews, Rosalyn D. « Transformation and decolorization of reactive phthalocyanine ». Diss., Available online, Georgia Institute of Technology, 2004:, 2003. http://etd.gatech.edu/theses/available/etd-04062004-164728/unrestricted/matthews%5Frosalyn%5Fd%5F200312%5Fphd.pdf.

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Thesis (Ph. D.)--School of Civil and Environmental Engineering, Georgia Institute of Technology, 2004. Directed by Spyros G. Pavlostathis.
Vita. Includes bibliographical references (leaves 381-393).

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Gilmore, Laurie Ann. « Chlorination of synthetic dyes and synthetic brighteners ». Thesis, Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/20794.

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Beydilli, Mumtaz Inan. « Reductive biotransformation and decolorization of reactive azo dyes ». Diss., Georgia Institute of Technology, 2001. http://hdl.handle.net/1853/21451.

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Carswell, Stewart. « Microanalysis of dyes from textiles ». Thesis, Queensland University of Technology, 1991. https://eprints.qut.edu.au/35972/1/35972_Carswell_1991.pdf.

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The discrimination and/or matching of dye extracts is an important aspect of forensic investigations involving textile samples. The aim of this work was to study the use of Fourier transform infrared spectrometry and diffuse reflectance to obtain IR spectra of dye samples, and the subsequent analysis of these spectra using library searching and principle component analysis. The work in this thesis has demonstrated the development of a simple method for obtaining DRIFT spectra of dye samples. Library searching and principle component analysis were used to distinguish between many types of dye samples, including extracts that were not distinguished using TLC.

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Mousa, Souad Abd. « Photochemistry of β-carbolines and azine dyes in solution and colloidal systems ». Thesis, Swansea University, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.678433.

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Lee, Young H. « Reductive biotransformation and decolorization of reactive anthraquinone dyes ». Diss., Available online, Georgia Institute of Technology, 2004:, 2003. http://etd.gatech.edu/theses/available/etd-04062004-164708/unrestricted/lee%5Fyoung%5Fh%5F200312%5Fphd.pdf.

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Thesis (Ph. D.)--School of Electrical and Computer Engineering, Georgia Institute of Technology, 2004. Directed by Spyros G. Pavlostathis.
Vita. Includes bibliographical references (leaves 332-345).

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Park, Jong Seung. « Studies on inclusion complexes of cyclodextrin and dyes I. Synthesis and properties of dye rotaxanes, II. Formation of anisotropic supremolecules / ». Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-08262005-092849/.

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Thesis (Ph. D.)--Textile and Fiber Engineering, Georgia Institute of Technology, 2006.
Srinivasarao, Mohan, Committee Chair ; Bunz, Uwe, Committee Co-Chair ; Griffin, Anselm, Committee Member ; Tolbert, Laren, Committee Member ; Park, Jung, Committee Member ; Beckham, Haskell, Committee Member. Includes bibliographical references.

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Schiller, Robert Lindsay. « Kinetic and equilibrium studies of some dye-cyclodextrin inclusion complexes / ». Title page, contents and abstract only, 1986. http://web4.library.adelaide.edu.au/theses/09PH/09phs334.pdf.

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Trujillo, Rebollo Andres. « ROLE OF BRILLIANT GREEN ON THE DETECTION AND SEPARATION OF NON-CHROMOPHORIC ANALYTES BY REVERSED-PHASE LIQUID CHROMATOGRAPHY (DIMERIZATION) ». Thesis, The University of Arizona, 1985. http://hdl.handle.net/10150/275434.

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West, Lee Charles. « A study of bibracchial lariat ether complexes and linked cyclodextrin dimer complexes ». Title page, contents and abstract only, 2000. http://web4.library.adelaide.edu.au/theses/09PH/09phw5182.pdf.

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Includes errata attached to first leaf. Includes bibliographical references. The complexation of a range of monovalent and divalent metal ions by the bibracchial lariat ethers has been investigated. Also investigates the complexation of metal ions and the anionic azo dye Brilliant Yellow by the diazacrown linked cyclodextrin dimers.

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Livres sur le sujet "Dyes and dyeing Chemistry"

R, Waring David, et Hallas G, dir. The Chemistry and application of dyes. New York : Plenum Press, 1990.

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Hallas, Geoffrey. Chemistry of colour. London : Collins Educational, 1995.

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Peters, A. T. Physico-Chemical Principles of Color Chemistry. Dordrecht : Springer Netherlands, 1996.

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T, Peters A., et Freeman H. S, dir. Physico-chemical principles of color chemistry. London : Blackie Academic & Professional, 1996.

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Ramaiah, Muthyala, dir. Chemistry and applications of leuco dyes. New York : Plenum Press, 1997.

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Gordon, P. F. Organic chemistry in colour. Berlin : Springer-Verlag, 1987.

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Kwahak kwa hamkke hanŭn ch'ŏnyŏn yŏmsaek : Chayŏn ŭi saek ŭl kwahak ŭi wŏlli ro ihae hada. Kyŏnggi-do Koyang-si : Saenggak Nanum, 2014.

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Bechtold, Thomas. Handbook of natural colorants. Hoboken, NJ : Wiley, 2009.

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Fagbule, Moses Oluwole. Colour for a colourless world : A chemist's modest contribution. [Ilorin] : University of Ilorin, 1988.

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Lucjan, Strękowski, dir. Heterocyclic polymethine dyes : Synthesis, properties and applications. Berlin : Springer, 2008.

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Chapitres de livres sur le sujet "Dyes and dyeing Chemistry"

Tran, Thi Thu Huong, Ngoc Toan Vu, Thanh Nga Pham et Xuan Tong Nguyen. « Ability to Remove Azo Dye from Textile Dyeing Wastewaters of Carbonaceous Materials Produced from Bamboo Leaves ». Dans Sustainable Textiles : Production, Processing, Manufacturing & ; Chemistry, 185–208. Singapore : Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-2892-4_8.

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Lewis, David M. « Dyeing Wool with Reactive Dyes ». Dans The Coloration of Wool and other Keratin Fibres, 251–90. Oxford, UK : John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118625118.ch9.

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Bide, Martin. « Sustainable Dyeing with Synthetic Dyes ». Dans Textile Science and Clothing Technology, 81–107. Singapore : Springer Singapore, 2014. http://dx.doi.org/10.1007/978-981-287-065-0_3.

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Burkinshaw, Stephen M. « Dyeing Wool with Metal-complex Dyes ». Dans The Coloration of Wool and other Keratin Fibres, 229–50. Oxford, UK : John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118625118.ch8.

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Herd, K. J. « Fluorine-Containing Dyes ». Dans Organofluorine Chemistry, 287–314. Boston, MA : Springer US, 1994. http://dx.doi.org/10.1007/978-1-4899-1202-2_13.

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Engel, A. « Fluorine-Containing Dyes ». Dans Organofluorine Chemistry, 315–20. Boston, MA : Springer US, 1994. http://dx.doi.org/10.1007/978-1-4899-1202-2_14.

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Duffield, Peter A. « Dyeing Wool with Acid and Mordant Dyes ». Dans The Coloration of Wool and other Keratin Fibres, 205–28. Oxford, UK : John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118625118.ch7.

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Gordon, Paul Francis, et Peter Gregory. « Azo Dyes ». Dans Organic Chemistry in Colour, 95–162. Berlin, Heidelberg : Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-82959-8_3.

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Gordon, Paul Francis, et Peter Gregory. « Anthraquinone Dyes ». Dans Organic Chemistry in Colour, 163–99. Berlin, Heidelberg : Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-82959-8_4.

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Gordon, Paul Francis, et Peter Gregory. « Miscellaneous Dyes ». Dans Organic Chemistry in Colour, 200–261. Berlin, Heidelberg : Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-82959-8_5.

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Actes de conférences sur le sujet "Dyes and dyeing Chemistry"

Kusumawati, Nita, Samik Samik, Agus Budi Santoso et Asri Wijiastuti. « Development of Textile Natural Dyeing using Hybrid Dyes from Mango Leaves Turmeric ». Dans Seminar Nasional Kimia - National Seminar on Chemistry (SNK 2018). Paris, France : Atlantis Press, 2018. http://dx.doi.org/10.2991/snk-18.2018.11.

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Matsumura, Takeko, et Y. Kanematsu. « DO A SCIENCE EXPERIMENT FOR FUTURE SCIENTISTS ». Dans Ampere 2019. Valencia : Universitat Politècnica de València, 2019. http://dx.doi.org/10.4995/ampere2019.2019.9895.

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It has been realized that various chemical reactions are accelerated under irradiation of MW. Such Microwave chemistry is known as time-saving, clear and eco-friendly. MW ovens are world-wide domestic tools for cooking which can serve meals quickly. Regardless of its convenience, few understand the essential mechanism of MW ovens. For better understanding of MW chemistry, authors think it is necessary for to introduce elementary knowledge by holding a 1-day program of experiments by using microwave (MW) ovens.“Science with microwave oven”, 1-day program which we developed and named “Hirameki Tokimeki Science” was supported by Japan Society for the promotion of Science, has been performed over four years.More than 100 students of elementary and junior-high school have joined the program.Here we report the program, response from students.Program of experiments: “1: Dyeing handkerchief with onion peer (*1), 2: Cooking of pizza quickly yeast-leavened, 3: Preparation of shining slime with fluorescein dye synthesized in nonsolvent reaction. 4. Plasma in MW oven (*2), etc.”Students realized how MW accelerated chemical reactions and that dyeing under MW was faster and more fixed compared with the conventional methods. Besides, they could enjoy lunch with pizza and dealing with the slime, both they made. They had a good time with a bit of scientific knowledge. Through 1-day program, we can make science more familiar with students, and it will cause young students to become more interested in science, lead them to future research workers.In addition to the “Hirameki Tokimeki (Inspiration and Spark) Program, we have doneVolunteer activities at Ishinomaki, one of the most damaged cities at the Higashi Nihon Big Earthquake, in 2011.“Science with microwave oven” program surely gives students mysterious interest anddream for Science. That is “Inspire and Spark!” (*1) (*2)

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Li, Shan, et Yanlong Liu. « Reactive dyes on the wood veneer dyeing research ». Dans 2nd International Conference on Electronic and Mechanical Engineering and Information Technology. Paris, France : Atlantis Press, 2012. http://dx.doi.org/10.2991/emeit.2012.315.

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Kalapriya, K., et H. Gurumallesh Prabu. « Electrochemical method of dyeing cotton fabric using direct dyes ». Dans THE 8TH ANNUAL INTERNATIONAL SEMINAR ON TRENDS IN SCIENCE AND SCIENCE EDUCATION (AISTSSE) 2021. AIP Publishing, 2022. http://dx.doi.org/10.1063/5.0109173.

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Yu, Shengfei, Dan Xu, Xiao Zhang, Tianhui Yu, Yuan Liu, Xu Wang et Na Li. « Development of Dyeing Mechanism of Wood with Reactive Dyes ». Dans 2015 International Symposium on Energy Science and Chemical Engineering. Paris, France : Atlantis Press, 2015. http://dx.doi.org/10.2991/isesce-15.2015.28.

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Carvalho, Cristina, Gianni Montagna, Carla Costa Pereira et Carlos Manuel Figueiredo. « Biodyes : A new solution for textile dyeing technology ». Dans 13th International Conference on Applied Human Factors and Ergonomics (AHFE 2022). AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1001548.

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The Textile Industry is one of the most representative industries in the world's industrial structure and has always assumed an important role in the national economy. Globally, and according to a study by Grand View Research, this industry represented 961.5 billion dollars in 2019 (Grand View Research - Global textile market 2020-2027).However, this sector represents the second most polluting industry in the world, and the environmental impacts occur, above all, in terms of water consumption, soil erosion, CO2 emissions and the resulting residues.The textile industry is responsible for the production of 2.1 billion tons of waste, most of which are discarded into the water ecosystem, essentially during the dyeing processes. In fact, dyeing is one of the most polluting processes in the textile industry, representing a high source of pollution of water circuits and environmental ecosystem. According to the World Bank, textile dyeing industries are responsible for 20% of industrial water pollution.This reality acquires even greater proportion when analyzing the quantities of dyes produced. Every year, it is estimated that around 10,000 types of dyes and pigments, and 7x105 tons of synthetic dyes are produced in the market, for this sector. From this production, more than 200,000 tons of dyes are released into industrial effluents during the textile processing phases (dyeing and finishing).To reduce the environmental footprint caused by the textile industry, the replacement of synthetic dyes by others from natural compounds has been the subject of extensive research, through the development of new ways of coloring textile materials.One of the emerging research areas is related to the exploration of obtaining natural dyes, from microorganisms, called Biodyes.The research aims to develop a sustainable dyeing process, through the production of biodyes, from the metabolic study of the production of microorganisms.It is known the potential that exists in the generation of color and a wide spectrum of functionalities, from biotechnology, regarding the metabolic pathway of certain microorganisms, in the specific case from bacteria such as E. Coli. The main advantages of the innovation proposed in the investigation of this research work are compared to synthetic dyes/pigments, its very low environmental impact, in terms of consumption of material and energy resources, environmental pollution and non-toxicity of the resulting effluents. At the same time, the production of dyes from microorganisms, bacteria and/or fungi, has benefits compared to natural alternatives of plant origin due to its independence from seasonal limitations and climatic conditions, as well as the rapid growth of some substances and therefore with much higher biological yields and consequent industrial application.

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M., Yeghyan, Chekmareva M., Ugrekhelidze N. et Kulikova N. « DYEING GRAIN SUBSTANCES AS THE BASIS OF PHYSIOLOGICALLY ACTIVE DYES ». Dans Innovative technologies In science and education. DSTU-Print, 2019. http://dx.doi.org/10.23947/itno.2019.324-326.

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Zabolotnaya, Elena, et Irina I. Menishova. « Analysis of the efficiency of using purified household waste water in technologies of the textile industry ». Dans INTERNATIONAL SCIENTIFIC-TECHNICAL SYMPOSIUM (ISTS) «IMPROVING ENERGY AND RESOURCE-EFFICIENT AND ENVIRONMENTAL SAFETY OF PROCESSES AND DEVICES IN CHEMICAL AND RELATED INDUSTRIES». The Kosygin State University of Russia, 2021. http://dx.doi.org/10.37816/eeste-2021-2-17-20.

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Shown is the use of purified domestic water (Cuban treatment facilities), in decoction and dyeing with direct, active, vat dyes and cubosol dyes. It was found that the quality of decoction and dyeing with the use of water after the aeration tank and after primary cleaning from the stage of secondary settling is not inferior in quality to the traditional technology of decoction and dyeing. It is shown that the introduction of softeners into the composition of the dye bath of the proposed technology significantly increases the quality of the dye output on the fiber.

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Ranthunga, R. G. S. M., K. V. Wanigasekara et S. V. Udayakumara. « Dyeing of Cotton Fabric with a Natural Dye Extracted from Areca Concinna Peel ». Dans ERU Symposium 2021. Engineering Research Unit (ERU), University of Moratuwa, 2021. http://dx.doi.org/10.31705/eru.2021.2.

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In modern world, most of the countries tend to use the eco-friendly concept in many industries to minimize environmental pollution [1]. Synthetic dyes that are used in the textile industry offer more unfavourable and harmful effect to human beings such as carcinogenic, health-hazardous like skin allergies, toxic etc. And also, there is no systematic way to dispose of synthetic waste in the environment. So that it can be harmful to the ecosystem [2]. Therefore, the world tends to use natural dyes instead of synthetic dyes. Natural dyes have many advantages than synthetic dyes such as non-carcinogenic, eco-friendly, non-allergic, non-hazardous to human beings, etc. Natural dyes are mainly extracted from three different sources such as minerals, plants, and insects. Among these, plants are the most abundantly used natural dye source to extract dyes [3]. The main objective of this study was to extract natural dye from areca concinna peels and use extracted dye to dyeing the cotton fabrics.

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Deng, Hong. « Application and Outlook of Environment-Friendly Reactive Dyes in Wood Dyeing Industry ». Dans 2010 International Conference on Management and Service Science (MASS 2010). IEEE, 2010. http://dx.doi.org/10.1109/icmss.2010.5576452.

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