Gotowe bibliografie tematyczne / Dyes and dyeing

Gotowa bibliografia na temat „Dyes and dyeing”

Autor: Grafiati
Data publikacji: 4 czerwca 2021
Data aktualizacji: 29 lipca 2024

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Artykuły w czasopismach na temat "Dyes and dyeing"

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Huang, Yuan Li, Bing Du, Ye Fang, Yu Ping Zhao, Ruo Yuan Song i Lai Jiu Zheng. "Mixed Reactive Disperse Dyes on Wool Yarn Dyeing in Supercritical CO2". Advanced Materials Research 627 (grudzień 2012): 217–20. http://dx.doi.org/10.4028/www.scientific.net/amr.627.217.

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Mixed reactive disperse dyes is adopted to dye wool yarn by supercritical CO2 dyeing equipment, and the influencing factors on the wool yarn uptake are analyzed including dyeing temperature, dyeing time, dyeing pressure. The results reveal the interaction relationship between single dyes dyeing on the wool yarn: the total uptake of mixed reactive disperse dyes and the uptake of single reactive disperse dyes increase with the increasing of temperature and pressure, it also increase by the extension of time. In the same conditions, the total uptake of mixed reactive disperse dyes is more than the uptake of single reactive disperse dyes. The uptake of single reactive disperse dyes in the mixed dyes is less than the uptake of single reactive disperse dyes. In the dyeing process of mixed dyes, the wool yarn dyeing of two dyes has selective and competitive. Both color fastness to rubbing and color fastness to washing of dyed wool yarn are in line with national institute of standards.
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Jangwan, J. S., Maneesha Dobhal i S. C. Sati. "Dyeing of wool and cotton fibres with fruit rind of Juglans regia as natural dyes, and standardization of ancient dyeing procedure". Environment Conservation Journal 8, nr 3 (24.12.2007): 35–38. http://dx.doi.org/10.36953/ecj.2007.080310.

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Vegetable dyes and their uses are known in an cient time more than 2000 years ago. It was found that the discovery of synthetic dyes reduce the use of natural dyes and consequently the export of same was affected in large extent. However due to non toxic nature, eco-friendly behaviour and properties to impart variety of colours once again natural dyes are getting more attention of chemists and dyers. The present paper deals with optimization of dyeing and mordanting of wool and cotton samples with fruit rind of Juglans regia and standardization of ancient dyeing procedure and also the fastness studies of dyed samples toward light and washing.
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Meng, Chun Li, Yan Wei Wang i Ji Liang Cao. "Dyeing of Polyester/Cotton Blends with Encapsulated Disperse/Reactive Dyes for a One-Bath Auxiliary-Free Process". Advanced Materials Research 441 (styczeń 2012): 61–65. http://dx.doi.org/10.4028/www.scientific.net/amr.441.61.

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Research onthe one-bath dyeing process of encapsulated disperse dyes and reactive dyes on polyester/cotton blends showed that through the suitable modification before dyeing, polyester/cotton blends could be dyed with encapsulated disperse/reactive dyes in an auxiliary-free, one-bath method. The dyed goods attained excellent levelness and fastness. The residual dye in the final baths were very low. Thus, cleaner dyeing production and environment protection can be realized.
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Bigambo, Pendo, Happiness Wellah, Hadija Ngaga, Safina Kimbokota i Mbonea Mrango. "Turmeric Dyeing of Cotton Fabrics using Tie-Dyeing Techniques". Tanzania Journal of Science 49, nr 5 (31.01.2024): 1064–78. http://dx.doi.org/10.4314/tjs.v49i5.11.

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Tie-dyeing is a resist-dyeing technique which for years has been used by SMEs to produce attractive textile fabrics. However, the technique is challenged by the use of synthetic dyes which are not environmentally friendly and the growing consumers’ environmental awareness. Accordingly, researchers and industrialists are forced to explore the alternative natural dyes in response to the above challenges. Among the natural source of dyes available abundantly in Tanzania, but are yet to be fully exploited for applications via tie-dyeing technique are turmeric (Curcuma longa L.) roots commonly used for food coloring. In this study turmeric roots were investigated for their potential as dyes for coloration of cotton fabrics through tie-dyeing technique. Turmeric dyes were extracted through boiling of powdered turmeric roots in water followed by filtering the mixture, and applying it to a pre-mordanted and tied fabric. For analysis purposes, un-tied (plain) cotton fabric was also dyed following the same procedure. The findings of this study suggests that, turmeric dyes can be applied on cotton using tie-dyeing technique and produce golden-yellow color on fabrics. Additionally, pre-mordanting of cotton increased the color depth of dyed materials while improving their fastness properties with respect to washing and both wet and dry rubbing.
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Yu, Yingjie, i Rencheng Tang. "Dyeing of Tussah Silk with Reactive Dyes: Dye Selection, Dyeing Conditions, Dye Fixation Characteristics, and Comparison with Mulberry Silk". Molecules 29, nr 5 (5.03.2024): 1151. http://dx.doi.org/10.3390/molecules29051151.

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Tussah silk is one of the most widely used wild silks. It is usually dyed with acid dyes, despite the shortcoming of poor wet fastness. Reactive dyeing is a good solution to this problem. In our work, sulfatoethylsulfone (SES), sulfatoethylsulfone/monochlorotriazine (SES/MCT), monochlorotriazine (MCT), and bis(monochlorotriazine) (Bis(MCT)) dyes were used to dye tussah silk. All of these dyes showed lower exhaustion and fixation on tussah silk than on mulberry silk under alkaline conditions. Among them, SES dyes were more applicable, with a fixation of 70–85% (at 4%owf dye) at 90 °C when using sodium bicarbonate as an alkali. SES dyes also showed a rapid fixation speed. The dyeing of tussah silk required lower sodium bicarbonate dosage, the use of more neutral electrolytes, and a higher dye quantity to achieve deep effects compared to mulberry silk. Dyed tussah silk displayed lower apparent color depth and brilliance than dyed mulberry silk. The neutral boiling dyeing of tussah silk with SES dyes exhibited higher exhaustion, higher fixation (82–92% at 4%owf dye), and a slower fixation speed compared with alkaline dyeing. Furthermore, in this dyeing method, SES dyes showed higher and more efficient fixation on tussah silk than on mulberry silk. All dyed tussah silk had excellent color fastness to soaping.
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Zheng, Laijiu, Huanda Zheng, Bing Du, Ju Wei, Shihui Gao i Juan Zhang. "Dyeing Procedures of Polyester Fiber in Supercritical Carbon Dioxide Using a Special Dyeing Frame". Journal of Engineered Fibers and Fabrics 10, nr 4 (grudzień 2015): 155892501501000. http://dx.doi.org/10.1177/155892501501000414.

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Supercritical CO2 fluid dyeing, a new type of anhydrous dyeing technology, has the advantage of high uptake rate, short dyeing process, recycling of dyes and CO2, and zero discharge. This study investigated a dyeing technique of loose fibers using supercritical CO2 as solvent to replace water. Based on the existing characteristics of the self-developed supercritical CO2 dyeing equipment, a special dyeing frame of loose fibers was designed. Using the dyeing frame and inner and outer dyeing processes, polyester fibers were dyed with disperse red 153# maternal dyes at temperatures of 80–140?, pressures of 17–29MPa and time of 20–80min, respectively. The experimental results revealed that the dyeing performance of fibers was good on the dyeing frame, as well as with a favorably increased temperature, pressure and time. Dyeing temperature had a strong influence on the color yield. The dyeing results were compared with those of polyester fibers dyed with disperse red 153# dyes. With the special dyeing frame of loose fibers, color fastness to washing and artificial light was generally similar to conventional aqueous medium methods.
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Liu, Jin Qiang, Hua Li Miao i Shen Zheng Li. "Non-Aqueous Dyeing of Reactive Dyes in D5". Advanced Materials Research 441 (styczeń 2012): 138–44. http://dx.doi.org/10.4028/www.scientific.net/amr.441.138.

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C.I. Reactive Red 195 was used for non-aqueous dyeing in D5 (Decamethyl Cyclopentasiloxane) and appropriate surfactants were selected to ensure the dyes dispersed stably in D5 medium. The feasible method for reactive dyeing in dyes/D5 suspension system was established through repeated experiments. At the same time, taking the color depth (K/S value) as the evaluation index, the process factors in dyeing such as temperature, dyeing duration, pick-up ratio of alkali solution on fabric, as well as the alkali concentration were optimized for setting up dyeing conditions. The results showed that, the dye up-take could reach nearly 100% without any salt as accelerating agent. Since just a little water was used in the process, hydrolysis of reactive dyes was restrained, fixing rate was increased, and the apparent color depth of the dyed sample was much better than traditional water bath dyeing. The washing fastness and rubbing fastness of samples dyed in dyes/D5 system were satisfactory.
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Zhang, Hong Jie, Zhi Li Zhong, Li Li Feng i Xiao Ping Quan. "Research on Polypropylene Dyeing in Supercritical Carbon Dioxide". Advanced Materials Research 175-176 (styczeń 2011): 646–50. http://dx.doi.org/10.4028/www.scientific.net/amr.175-176.646.

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Polypropylene fibers were dyed with Disperse dyes Blue 2B in Supercritical Carbon Dioxide at different temperature, pressure and time. The K/S value were determined and the effect of as temperature, pressure and dyeing time on the dyeing behaviours of disperse dyes on Polypropylene fibers were discussed. It was found that with the increase of dyeing temperature and pressure, the K/S value increased gradually, and dyeing effect was best after the fiber was dyed at 120 °C, 28 MPa for 20 min.
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Toprak, Tuba, i Pervin Anis. "Dyeing properties of orgonobase-induced poly(ethylene terephthalate) fabric". Textile Research Journal 90, nr 23-24 (21.05.2020): 2658–73. http://dx.doi.org/10.1177/0040517520922946.

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Polyester is the most used of the synthetic fibers used in the textile industry. Nonetheless, due to its structure, the use of only disperse dyes for dyeing creates a significant weakness in its coloring. In this paper, the utilization of reactive and acid dyes in the dyeing of polyester after chemical modification with guanidine-based polymer is investigated. The dyeing of poly(ethylene terephthalate) (PET) fabrics with reactive and acid dyes was succeeded via modification with guanidine-based polymer. The effects of this polymer on disperse dyeing were also investigated. The effect of various parameters such as temperature, duration, pH, different amounts of salt and alkaline, the different dyes and processes were investigated for modifying and dyeing PET. The optimum parameters for reactive dyeing were found to be modification and dyeing in the same bath at 100° C for 60 minutes without salt and alkaline, for which the obtained color strength (12.87) was higher than that of conventional disperse dyeing with carrier (10.43). In addition, polymer modification at 130° C for 60 minutes before disperse dyeing provided higher color depth (24.39) than dyeing of PET by the conventional disperse high temperature method (22.48). Color fastness in laundering and the perspiration of modified and reactive dyed fabrics reached good to excellent levels (4/5). The modified and dyed samples were characterized using Scanning Electron Microscopy and Fourier Transform Infrared. Tensile tests and flexural rigidity tests for modified and reactive dyed samples were also conducted. The results indicate that the quality of the beginning material was not degraded after being modified and dyed.
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Cui, Shuling. "Structure and dyeing properties of jade fibre". Pigment & Resin Technology 43, nr 3 (29.04.2014): 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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Rozprawy doktorskie na temat "Dyes and dyeing"

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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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Li, Shiqi. "On-line dye analysis for carpet dyeing processes". Thesis, Georgia Institute of Technology, 1997. http://hdl.handle.net/1853/8596.

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Choi, Kit-hing. "The bleaching and dyeing industry in Hong Kong : environmental problems and some solutions /". Hong Kong : University of Hong Kong, 1997. http://sunzi.lib.hku.hk/hkuto/record.jsp?B18735988.

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Gore, Darren W. "Electrochemical reduction of vat and sulfur dyes : introducing a recyclable system". Thesis, Georgia Institute of Technology, 1995. http://hdl.handle.net/1853/8530.

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Morris, Kathryn Fiona. "The dyeing of cotton with multi-functional reactive dyes". Thesis, University of Leeds, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.418783.

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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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Low, Kian Sing. "Structure-property relationships of dyes as applied to dye-sensitized solar cells". Thesis, University of Cambridge, 2013. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.607807.

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Boonroeng, Supannee. "An analysis system for dye delivery on continuous dyeing ranges". Thesis, Georgia Institute of Technology, 1993. http://hdl.handle.net/1853/10175.

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Leung, Yue Hin. "An experimental study of dyeing : polyester and cotton /". View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?CBME%202009%20LEUNG.

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Książki na temat "Dyes and dyeing"

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Andrew. Dyes and dyeing. Harlow: Longman, 1985.

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Kim, Yun-gyŏng. Traditional natural dyeing. Seoul: Korea Craft & Design Foundation, 2012.

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Cannon, John F. M. Dye Plants and Dyeing. Portland, Or: Timber Press, 1994.

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Park, J. Practical dyeing. [Bradford, England]: The Society of Dyers and Colourists, 2004.

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Chatwal, Gurdeep R. Synthetic dyes. Mumbai [India]: Himalaya Pub. House, 2009.

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Noy, Ilse. Dyeing with plants in Zimbabwe. Harare, Zimbabwe: Zimbabwe Foundation for Education with Production, 1988.

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(Firm), Innovation 128, red. Functional dyes. Paris, France: Innovation 128, 1991.

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J, Shore, i Society of Dyers and Colourists., red. Cellulosics dyeing. Bradford: Society of Dyers and Colourists, 1995.

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Devia, Beatriz. Colores de la naturaleza para el algodón. Santa Fé de Bogotá: Fondo Fen Colombia, 1997.

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Casselman, Karen Diadick. Natural dyes of the Asia Pacific region: A Canada Year Asia Pacific cultural initiative project. Cheverie, N.S: Studio Vista Publications, 1997.

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Części książek na temat "Dyes and dyeing"

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Lewis, David M. "Dyeing Wool with Reactive Dyes". W 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". W 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". W 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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Duffield, Peter A. "Dyeing Wool with Acid and Mordant Dyes". W 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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Eryürük, Selin Hanife, Gülay Özcan i Pelin Altay. "Life Cycle Assessment Approach to Denim Dyeing: Denim Dyeing with Natural Dyes". W Textile Science and Clothing Technology, 283–96. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-19-9634-4_11.

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Chakraborty, Ritwik, i Ayan Pal. "Colorimetric Analysis to Study the Dyeing Behaviour of Jute Textiles Using Selective Synthetic and Natural Dyes". W Advances in Colorimetry [Working Title]. IntechOpen, 2024. http://dx.doi.org/10.5772/intechopen.114235.

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Jute, being a lignocellulosic bast fibre, is dyed with different classes of dyes such as direct, reactive, vat and sulphur which are also used to dye other cellulosic materials such as cotton and viscose. In addition to these, it is possible to dye jute with acid, basic and pre-metallized dyes due to the presence of lignin and gluconoric groups of hemicellulose. Here, a review of the dyeing of jute is done to analyse the dyeing properties of jute fabrics dyed with three classes of synthetic dyes – direct, reactive and acid dyes along with some selected anionic natural dyes. The dyeing process variables, colour strength values and colour fastness properties were analysed and elaborated. The studies have focused on some comparative assessment of the dyeing properties using different synthetic dyes and natural dyes too. The dyeing properties and colour fastness properties of synthetic-dyed and natural-dyed jute materials are also discussed and analysed in detail showing colourimetric analysis and their results.
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"Dyeing". W Tanning Chemistry: The Science of Leather, 434–61. Wyd. 2. The Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781788012041-00434.

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Dyeing leather is an important process, because visual perception is the first experience that a customer or anyone else has of the material: the colour itself, the intensity and the uniformity. Traditionally, vegetable-tanned leather was coloured by natural products, which required the assistance of a mordant. The development of chromium(III) tanning followed the development of synthetic dyes, which offered deeper shades. Currently, the commonest class of dyes for leather is the 1 : 1 premetallised dyes, the equivalent of a strong colourant carrying its own mordant. Other classes of dyes are also used, particularly 1 : 2 premetallised dyes for intensifying colour on the surface; if required, acid dyeing processes can be assisted by levelling agents or intensifying agents. For improved performance there are several versions of reactive dyes for covalent fixation via aromatic heterocycles. Sulfur dyes are used for leathers stable to high pH. New classes of dyes are being developed, notably from natural sources, e.g. from fungi.
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Biswal, Trinath, i Munmun Priyadarsini. "Dyeing Processing Technology". W Impact of Textile Dyes on Public Health and the Environment, 115–45. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-0311-9.ch006.

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Among the different substances containing organic compounds, dyes are considered the most important class, and they are now an essential requirement in the modern world, mostly in the textile industries. In addition to the textile colouring, they are used in automobile, leather, paints, paper industries, etc., but their importance in the textile industries is maximum. Because of huge demand of dye, the production of a variety of dyes with advanced properties has drastically increased. Since dyes are complex aromatic organic compounds containing conjugated double bonds, they are highly toxic to the biological community of the world. In this chapter, more emphasis is given for synthesis technologies of various kinds of dyes, different kinds of hazardous pollutants generated from the dyeing industries, and their environmental impact along with the implementation of the technology developed to reduce the pollutant and its effect to our sustainable environment. Hence, more focus has to be given for manufacturing and application of dyes from renewable natural resources.
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Koh, Joonseok. "Dyeing with Disperse Dyes". W Textile Dyeing. InTech, 2011. http://dx.doi.org/10.5772/20458.

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Morimoto, Yuki, Kenji Ono i Daisaku Arit. "Dyeing in Computer Graphics". W Natural Dyes. InTech, 2011. http://dx.doi.org/10.5772/21236.

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Streszczenia konferencji na temat "Dyes and dyeing"

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Tadić, Julijana D., Jelena M. Lađarević, Maja D. Marković, Aleksandra M. Ivanovska, Mirjana M. Kostić i Dušan Ž. Mijin. "A NOVEL AZO-AZOMETHINE DYE: SYNTHESIS, DYEING AND ANTIOXIDANT PROPERTIES". W 1st INTERNATIONAL Conference on Chemo and BioInformatics. Institute for Information Technologies, University of Kragujevac, 2021. http://dx.doi.org/10.46793/iccbi21.379t.

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Schiff bases, or azomethine compounds, are commonly employed in the fields of organic synthesis, metal complexes, materials, and engineering. Especially, they have gained importance in medicinal researches, considering their antimicrobial, anticancer, anti- inflammatory, and antioxidant properties. On the other side, azo dyes are the most significant group of synthetic dyes, utilized in textile fiber dyeing. Conjugation of Schiff bases with azo compounds leads to the class of azo-azomethine dyes, which have numerous applications related to their coloration and biological properties. Viscose is a textile material widely used in the medicine. Moreover, viscose fiber can be engineered in many ways which are significant in the development of medical materials. The antioxidant effect is an important feature of medical textiles, such as wound dressings. In this work, the microwave-assisted synthesis and characterization of novel azo-azomethine dye are reported. The azo-azomethine dye is obtained by the condensation between arylazo pyridone dye and 4-aminophenol. The structure of synthesized dye was determined by ATR-FTIR, NMR, and UV-Vis spectroscopy. Azo- azomethine dye was used for dyeing viscose, and the washing fastness of dyed material was evaluated according to the standard method. The viscose fabrics, before and after washing, were analyzed in terms of their color coordinates in the CIELab color space. The antioxidant properties of azo-azomethine dye and dyed viscose fabrics were examined by the ABTS method.
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Zabolotnaya, Elena, i Irina I. Menishova. "Analysis of the efficiency of using purified household waste water in technologies of the textile industry". W 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 i S. V. Udayakumara. "Dyeing of Cotton Fabric with a Natural Dye Extracted from Areca Concinna Peel". W 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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Ichimura, Yohei, i Hideki Aoyama. "Digital Design Method of Dyeing Patterns Based on Kansei". W ASME 2017 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/detc2017-67244.

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Dyeing involves fixing a dye on a cloth, or creating a dyeing pattern. Because dyeing patterns depend on the physical properties of fibers, dyes, and dyeing technique that are employed, predicting a finished dyeing pattern is difficult even for artisans. Because dyeing is an irreversible phenomenon that requires a lot of time, to accurately predict a completed pattern would improve the efficiency of dyeing and reduce its costs. In this paper, we propose a digital method for designing dyeing patterns based on a simulation of the dyeing process. Dyeing experiments was conducted to model dyeing process accurately. From experiments, we defined the dyeing process is combination of two phenomena: capillary phenomenon and diffusion phenomenon. In the proposed method, integrated these two phenomena by using the cellular automaton method and generate dyeing patterns that produce different results depending on the pattern-generating parameters. The thickness of yarn and spaces between yarns in fabric is not uniform because of the influence of spinning and weaving. Therefore, in the proposed method, we use the fluctuation property, which is inherent in nature, to generate a dyeing pattern that preserves a natural impression. Based on the simulation of the proposed dyeing process, we developed a system that generates patterns based on KANSEI. Associating KANSEI with pattern generation parameters produces dyeing patterns that exhibit the required impressions (KANSEI) for the generated dyeing patterns. Based on this development method, we constructed a basic system for pattern generation and verified the effectiveness of the method.
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Li, Shan, i Yanlong Liu. "Reactive dyes on the wood veneer dyeing research". W 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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Carvalho, Cristina, Gianni Montagna, Carla Costa Pereira i Carlos Manuel Figueiredo. "Biodyes: A new solution for textile dyeing technology". W 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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Oyedeji, F. O., i J. O. Momoh. "Potential Human Hair and Sheep Wool Dyeing Characteristics of Hair Colour Formulations Prepared from Four Vegetable Dyes." W 28th iSTEAMS Multidisciplinary Research Conference AIUWA The Gambia. Society for Multidisciplinary and Advanced Research Techniques - Creative Research Publishers, 2021. http://dx.doi.org/10.22624/aims/isteams-2021/v28n2p11.

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Man insatiable desires often leads him to many choices. Some functional, others for the purpose of decoration or acceptability. The dyeing of hair can be comfortably placed in any of the three categories. The production of hair colours is a multi-billion dollar industry that involves the use of both plant-derived and synthetic dyes. Unlike synthetic dyes which can be toxic and harmful to the environment; natural dyes are biodegradable, non-toxic and compatible with environment. In the present study the comparative black – brown colouring effect of seven dye formulations made from ethanol and chloroform extracted pigments of some local dye yielding plants; Lawsonia inermis, Loncocarpus cyanescens, Pterocarpus osun and Trema orientalis on grey human hair and sheep wool was observed and recorded after two hours of dye uptake; storage at room temperature for 4 days and exposure to sunlight for 4 days. % yield of extracted dye ranged from 1.04 - 3.20 in the order Lawsonia inermis < Trema orientalis < Lonchocarpus cyanescens < Pterocarpus osun dye. The colours of the dyes obtained were orange (Lawsonia inermis), yellow (Loncocarpus cyanescens), dark red (Pterocarpus osun) and dark green (Trema orientalis). The human hair took up the dye more readily than the sheep wool and the black-brown colouring effect was maximum with formulation 7 and in the order PF 7>PF 3 > PF 5 > PF 4 > PF 1> PF 6 >P2 with the colour being retained for the greatest period of time at room temperature while fading gradually with the length of exposure to sunlight for both human hair and wool. The colour deepened however for sheep wool, with length of stay at room temperature. In conclusion, the natural dye formulations coloured the hair better than sheep wool, it may therefore be suitable for the formulation of hair colouring solution, after toxicity tests, colour fixing and modification studies have been carried out on the dyes. Keywords: Lawsonia inermis, Loncocarpus cyanescens, Pterocarpus osun, Trema orientalis, Human hair, Sheep wool, Vegetable dyes.
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Kalapriya, K., i H. Gurumallesh Prabu. "Electrochemical method of dyeing cotton fabric using direct dyes". W 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 i Na Li. "Development of Dyeing Mechanism of Wood with Reactive Dyes". W 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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Santos, Cristine Silva, Icléia Silveita, Neide Köhler Schulte, Lucas da Rosa i Daniela Novelli. "Possibilities of color with the use of natural coloring applied in natural fibers". W ENSUS2023 - XI Encontro de Sustentabilidade em Projeto. Grupo de Pesquisa Virtuhab/UFSC, 2023. http://dx.doi.org/10.29183/2596-237x.ensus2023.v11.n4.p150-162.

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Chemical dyes applied to textiles in the textile processing stage bring serious damage to the environment and human beings involved in the processes. The use of natural dyes in place of chemicals brings benefits in the social and environmental spheres, since highly polluting toxic chemicals are not used in their processes. Despite the importance of its use, many people opt for chemical dyeing over natural dyeing, believing that its colors are scarce. Therefore, the research intends to present a varied color chart using natural dyes applied to natural fibers through applied, qualitative, descriptive research and technical procedures in order to demonstrate the possibility of offering varied colors from natural dyes. A chart of 80 natural colors was made using only 14 plants and residues. In this way, the research contributes to the dissemination of knowledge and encouragement to the consumption of textile pieces based on pro-sustainability practices in fashion. It was verified that it is possible to offer a varied range of colors with the use of natural dyes applied to textiles.
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Raporty organizacyjne na temat "Dyes and dyeing"

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Barker, Lauren, Paulina Wietocha, Evelyn Ekstrom, Ashya Winters i Ui-Jeen Yu. Colorfastness of Naturally-Dyed Fabrics Using Contact Dyeing Method. Ames: Iowa State University, Digital Repository, 2017. http://dx.doi.org/10.31274/itaa_proceedings-180814-1906.

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Miller, Phyllis Bell. Spreadsheets to Dye for: Using Excel to Teach and Facilitate the Fiber-Reactive Dyeing Process. Ames: Iowa State University, Digital Repository, listopad 2015. http://dx.doi.org/10.31274/itaa_proceedings-180814-123.

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