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Journal articles on the topic 'Dyeing and bleaching'

Author: Grafiati

Published: 4 June 2021

Last updated: 31 July 2024

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1

Arifoglu, Mustafa, and William N. Marmer. "Sequential Oxidative/Reductive Bleaching and Dyeing of Wool in a Single Bath at Low Temperatures." Textile Research Journal 62, no. 3 (March 1992): 123–30. http://dx.doi.org/10.1177/004051759206200301.

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A new bleaching and dyeing process applicable to wool involves a sequential oxidative/reductive bleaching combined with a subsequent dyeing in a single bath. Apart from dyebath bleaching processes in which the bleaching agent is added towards the end of the dyeing process when almost all the dye is exhausted, bleaching and subsequent dyeing are normally done in separate baths due to the sensitivity of the dyes to bleaching agents. In the latter process, it is important that all bleaching agents be thoroughly washed off before dyeing, because any residual bleaching agent (hydrogen peroxide, reductive bleach) may adversely affect the results. The newly developed single-bath process begins with an oxidative hydrogen peroxide bleaching followed by addition of thiourea to the residual hydrogen peroxide in the same bath. Thiourea dioxide formed by the resulting chemical reaction hydrolyzes in solution to sulfonate anion and urea. Sulfinate anion is a strong reducing agent and effects reductive bleaching. At the end of the reductive bleaching stage, a small amount of hydrogen peroxide is added to oxidize all the reductive sulfur species in solution to the sulfate anion, which together with the urea serves subsequently as a dye assist. Once the temperature of the bath is lowered, dyes may be added to the same bath. The new sequential single-bath bleaching/dyeing process results in much brighter pastel shades upon dyeing, due to better whiteness obtained initially with sequential oxidative/reductive bleaching. Furthermore, there is a reduction in processing time, temperature, and effluent compared with conventional procedures and the utilization of byproducts from the initial bleaching assists during the subsequent dyeing step.

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2

Maguire, Peter. "Cop Dyeing and Bleaching." Journal of the Society of Dyers and Colourists 22, no. 6 (October 22, 2008): 190–92. http://dx.doi.org/10.1111/j.1478-4408.1906.tb00376.x.

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3

Maguire, Peter. "Cop Dyeing and Bleaching." Journal of the Society of Dyers and Colourists 22, no. 9 (October 22, 2008): 278–82. http://dx.doi.org/10.1111/j.1478-4408.1906.tb00381.x.

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4

Zhu, Lei, Jun Li Chen, Qiu Bao Zhou, Jin Huan Zheng, and Wei Guo Chen. "Union Dyeing of Soybean Protein Fiber/Wool Blends." Advanced Materials Research 332-334 (September 2011): 1421–24. http://dx.doi.org/10.4028/www.scientific.net/amr.332-334.1421.

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Protein fibers are attractive topics in the past decades. Among them, soybean protein fiber, the regenerated protein-base fiber, is very popular due to its luster, smooth surface, breathability, and comfort. In order to blend with wool and reach union dyeing, soybean protein fiber was first bleached due to its yellow appearance. Various bleaching processes were introduced in this paper. Reactive dyes for cellulose and for wool, such as Unisol or Megafix dyes, together with proper dyeing process were selected and compared. The results showed that one-time oxidation bleaching is confirmed as the bleaching process due to its compromise of high whiteness and bursting strength. It is unable to reach union dyeing for soybean protein fiber/wool fiber with Unisol or Megafix dyes respectively while it is feasible to reach union dyeing of soybean protein fiber/wool fiber dyeing with Unisol dyes followed by Megafix dyes.

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5

He, Wen Juan, Jia Guang Meng, and Ya Wei Wang. "Studies on Bleaching and Scouring of the Jade Fiber Knitted Fabric." Applied Mechanics and Materials 184-185 (June 2012): 1211–15. http://dx.doi.org/10.4028/www.scientific.net/amm.184-185.1211.

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The knitted pretreatment has a great influence on the dyeing process. It should adopt different pretreatment process for different material. As the article selects jade fiber and cotton blended yarn to achieve good dyeing effect，the scouring is considered as the first and then bleaching. This article mainly studies the bleaching process.

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6

Wang, Jun Hua, Jian Feng Di, and Yong Tang Jia. "Investigation of Cotton Dyeing with Enzyme-Oxygen-Pretreatment/Reactive Dyes in one-Bath." Advanced Materials Research 233-235 (May 2011): 903–8. http://dx.doi.org/10.4028/www.scientific.net/amr.233-235.903.

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Desizing-scouring-bleaching-dyeing of cotton fabrics in one-bath was discussed in this paper. The appropriate reactive dyes, refined enzyme and H2O2 elimination agent and dyeing technology parameters were selected preciously and the optimum conditions were obtained: H2O2 (30%) 4 g/L, refined enzyme 2 g/L, Na2SiO3 2g/L, Peregal O 1 g/L, bath ratio 1:20, scoring and bleaching at 95°C for 45min. Then, adding sulfourea 12g/L, controlling pH 7, adding reactive red dye 3BS 3% in raffinate, dyeing at 35°C for 30min and fixing at 70°C for 30 min. Compared the one-bath process with the traditional one, the former can get similar performance on dyeing. In addition, the former shows such advantages as short time, high efficiency, low energy consumption and reduced sewage emission. “One-bath” dyeing process is a promising approach to replace the old one.

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7

Tzanov, T., S. Costa, G. M. Guebitz, and A. Cavaco-Paulo*. "Dyeing in catalase-treated bleaching baths." Coloration Technology 117, no. 1 (January 2001): 1–5. http://dx.doi.org/10.1111/j.1478-4408.2001.tb00327.x.

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8

Nabiyeva, Iroda, Dilnoza Matkarimova, Zulaykho Islamova, and Anvar Abdumajidov. "Properties of wool fiber, and environmental problems and solutions of its finishing." E3S Web of Conferences 538 (2024): 04006. http://dx.doi.org/10.1051/e3sconf/202453804006.

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Making wool and wool products is a very complicated process. "Hisori" sheep wool belongs to the group of coarse fibers, it is mostly brown in color, and contains a large amount of waste materials. The rational technologies of washing, discoloration-bleaching and dyeing processes for the production of clothing products from coarse wool fiber in the textile industry have not been sufficiently resolved. In this scientific work, an effective technology for washing coarse wool fiber and decolorizing it, are proposed. In this case, the quality of brown wool bleaching process was evaluated by yellowness index and whiteness level. After a two-stage decolorization-bleaching process, the whiteness level increased from 45% to 74%. The possibility of using a natural dye – Carmine for dyeing bleached wool has been studied. By researching the technological factors of the process of dyeing wool with carmine, it was shown the possibility of creating strong and bright colors with the help of mordant salts. Reducing agents were used to solve the problem of ensuring the reversibility of the colors produced by the bleaching agents according to their nature and the initial color of the wool, and sodium hydrosulfite was used as a reducing agent.

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9

Chattopadhyay, S. N., N. C. Pan, and A. Day. "Ambient-temperature Bleaching and Reactive Dyeing of Jute: The Effects of Pre-treatment, Bleaching, and Dyeing Methods." Journal of the Textile Institute 93, no. 3 (January 2002): 306–15. http://dx.doi.org/10.1080/00405000208630572.

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10

Lu, Danting, Xianqing Xiong, Guozhen Lu, Chengsheng Gui, and Xiaoren Pang. "Effects of NaOH/H2O2/Na2SiO3 Bleaching Pretreatment Method on Wood Dyeing Properties." Coatings 13, no. 2 (January 19, 2023): 233. http://dx.doi.org/10.3390/coatings13020233.

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Bleaching is a common modification method widely used in the industrialization of wood dyeing. Bleaching can regulate the color of the wood, and it also has great effects on the subsequent wood dyeing properties. In this work, three woods, Ayous, Linden, and Poplar, were processed by using the NaOH/H2O2/Na2SiO3 bleach pretreatment method. Then, the pretreated wood and untreated wood were stained separately by means of water bath dyeing with three dyestuffs: blue anthraquinone and red and yellow double-azo dyestuffs. The study mainly focused on the effect of the bleach pretreatment on the color control and dyeing properties of the wood by analyzing the color difference, staining rate, and final dyeing rate of the dyed wood. The results were as follows: For the color difference, the L* and h* values showed increasing tends, while the a*, b*, and c* values showed decreasing trends. For the staining rate, Ayous reached an equilibrium staining rate at 3~4 h, but for the others, this was not obvious. For the dyeing rate, red and blue Linden veneers and blue Ayous veneers were similar to the unbleached ones, while the final dyeing rate of the other veneers was less than that of the original wood, and the staining rate of the Ayous red and yellow veneer, Linden yellow veneer, and Poplar veneer was less than that of the original wood. The final dyeing rate of the Ayous red and yellow veneers, Linden yellow veneer, and Poplar red, yellow and blue veneers decreased by 4.54%, 2.91%, 5.45%, 10.75%, 2.66%, and 9.55%, respectively. In general, the bleach pretreatment made the staining color of the material surface uniform. The dyeing rate increased due to the increase of the veneers’ permeability. Thus, the veneers quickly reached the equilibrium staining rate, but the equilibrium staining rate of some test pieces decreased. This work provides scientific support for the dyeing process.

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11

El-Sayed, Ihab, and S. M. Saleh. "Effect of Spinning Systems on Properties of Dyed Egyptian Cotton Yarns after Mercerization Treatment." Research Journal of Textile and Apparel 19, no. 4 (November 1, 2015): 48–56. http://dx.doi.org/10.1108/rjta-19-04-2015-b005.

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The effects that spinning technology and spinning parameters have on the color strength (K/S), strength, and breaking elongation of post dyed and mercerized yarns are investigated in this study. The emphasis of the study is on the selection of long stable Egyptian cotton varieties, namely Giza 80, Giza 86, and extra long stable Giza 92. The cotton samples are spun by using compact, ring, and open end spinning technologies. For the purpose of this study, different yarn counts and twist multipliers are used. The mechanical properties, such as the tensile strength and breaking elongation of the produced yarn are investigated and compared before and after the mercerization treatment (slack and tension), followed by a reactive dyeing process. All of the samples are prepared for dyeing after mercerization. The dyeing performance in terms of the K/S is studied. When the results are examined, it is found that the samples that have undergone (bleaching + slack mercerization + reactive dyeing) generally have higher K/S values than samples that have undergone (bleaching + tension mercerization + reactive dyeing) and (bleaching + non-mercerization + reactive dyeing) respectively. Open-end spun yarns have a higher K/S compared to the compact and ring spun yarns with the lowest count yarn and twist level. The strength percentages are higher for compact, then ring and finally open-end spun yarns respectively with tension mercerization. There is no noticeable difference in the elongation% for all of the treatment processes. The authors have used quality engineering reproducibility and repeatability (R&R) tools to guarantee the repeatability and reproducibility of the results in this research paper.

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12

SLOAN, FREDERICK R. W. "Preparation, Bleaching, Dyeing and Finishing of Linen." Review of Progress in Coloration and Related Topics 5, no. 1 (October 23, 2008): 12–16. http://dx.doi.org/10.1111/j.1478-4408.1974.tb03787.x.

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13

Straatman, Jan F. "Some Mechanical Problems in Bleaching and Dyeing." Journal of the Society of Dyers and Colourists 54, no. 7 (October 22, 2008): 310–12. http://dx.doi.org/10.1111/j.1478-4408.1938.tb02015.x.

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14

Ren, Li Yu, Yan Ping Yu, Rui Yin Zhang, and Chun Long Shen. "Cationic Modification Process’s Depth Exploration of Cotton Fibers." Advanced Materials Research 332-334 (September 2011): 179–82. http://dx.doi.org/10.4028/www.scientific.net/amr.332-334.179.

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Abstract. The cationic modification process is usually used on the fabric to improve its dyeing property. In this paper, the cationic modification process which is used on cotton fibers is talked about and the pretreatment (such as scouring and bleaching) of cationic modification is made clear by means of testing the dyeing devoured rate of cotton fibers.

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15

Fu, Sha, Matthew J. Farrell, Mary A. Ankeny, Edwin T. Turner, and Victoria Rizk. "Hydrogen Peroxide Bleaching of Cationized Cotton Fabric." AATCC Journal of Research 6, no. 5 (September 1, 2019): 21–29. http://dx.doi.org/10.14504/ajr.6.5.4.

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Hydrogen peroxide (H2O2) is the most commonly used bleaching agent for cotton fabric. However, the conventional H2O2 bleaching formula is not applicable for cationized cotton due to the low whiteness index after bleaching, fabric weakening, and a significant loss of cationic sites. In this work, magnesium sulfate (MgSO4) was added in the H2O2 bleaching formula to stabilize the bleaching system for cationized cotton. Additionally, a screening experiment with temperature and time, and sodium hydroxide (NaOH), H2O2, and MgSO4 concentrations as the factors, and whiteness index, bursting strength, and color strength from dyeing as the responses, was formulated. A statistical model was created using JMP software, which demonstrated how the bleaching conditions influenced the fabric properties. This procedure can be useful for bleaching cationized cotton in production settings.

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16

Meng, Jia Guang, Ya Hong Han, and Li Qun Zhou. "The Development of Baud Silk Knitted Fabric." Advanced Materials Research 476-478 (February 2012): 1355–60. http://dx.doi.org/10.4028/www.scientific.net/amr.476-478.1355.

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17

Contreras, Fernando, Alexei Ermolenkov, and Dmitry Kurouski. "Infrared analysis of hair dyeing and bleaching history." Analytical Methods 12, no. 29 (2020): 3741–47. http://dx.doi.org/10.1039/d0ay01068e.

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18

Vanzeveren, A. "Machine for Washing, Bleaching, and Dyeing Combed Wool." Journal of the Society of Dyers and Colourists 24, no. 4 (October 22, 2008): 113. http://dx.doi.org/10.1111/j.1478-4408.1908.tb00435.x.

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19

CIE, A. HOLLE ET. "Method and Apparatus for Bleaching and Dyeing Textiles." Journal of the Society of Dyers and Colourists 24, no. 4 (October 22, 2008): 113. http://dx.doi.org/10.1111/j.1478-4408.1908.tb00436.x.

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20

Bailey, S. G. "The Dyeing and Bleaching of some Commercial Fibres." Journal of the Society of Dyers and Colourists 31, no. 2 (October 22, 2008): 46–50. http://dx.doi.org/10.1111/j.1478-4408.1915.tb00865.x.

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21

Clibbens, D. A. "Some Research Problems in Cotton Bleaching and Dyeing." Journal of the Society of Dyers and Colourists 41, no. 7 (October 22, 2008): 249–50. http://dx.doi.org/10.1111/j.1478-4408.1925.tb01328.x.

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22

Skelly, J. K. "Some Observations on American Bleaching and Dyeing Practice." Journal of the Society of Dyers and Colourists 72, no. 1 (October 22, 2008): 7–15. http://dx.doi.org/10.1111/j.1478-4408.1956.tb02103.x.

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23

Ren, Yan, Cheng Shu Xu, and Jian Wei Xing. "Application of Micro-Suspended System in Bleaching Process of Natural Pigmented Animal Fiber." Applied Mechanics and Materials 184-185 (June 2012): 1455–60. http://dx.doi.org/10.4028/www.scientific.net/amm.184-185.1455.

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This paper introduces the application for micro-suspended system in the bleaching process of natural pigmented animal fiber, and compares the whiteness, strength, alkali solubility and subsequent dyeing property of the pigmented fiber after being bleached by traditional process and micro-suspended bleaching process respectively. The results of this study have suggested that adding micro-suspended chemical addictive in the bleaching process of natural pigmented animal fiber is able to protect fiber from damage, develop the fiber whiteness, improve the quality of the textile of this kind, and further enhance the fiber’s both subsequent spinnability and wear behavior.

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24

Dong, Feng Chun, Jun Hua Wang, Gang Huang, and Yong Tang Jia. "Short-Flow and High-Efficiency Dyeing Process of Sulfur Black on Cotton Fabrics." Advanced Materials Research 441 (January 2012): 150–54. http://dx.doi.org/10.4028/www.scientific.net/amr.441.150.

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Cottons dark-dyeing with sulfur black was studied in this paper. Its a simple process for cotton because of no bleaching, just only desizing, scouring and dyeing with two steps in one-bath. Through adjusting technical parameters, the optimum conditions were obtained: NaOH 6 g/L, Na2SiO3 2 g/L, scouring agent 2 g/L, JFC 1 g/L, sulfur black 14%, Na2S 16%, carbamide 2 g/L, bath ratio 1:20, scouring and dyeing at 95 °C for 45 min and 35 min separately. Compared the simple process with the traditional one, the former can get similar performance on dyeing. In addition, the simple process showed such advantages as short time, high efficiency, reduced energy consumption, relatively low water consumption and reduced sewage emission.

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25

Song, Tae-Yang, Chang Won Kim, Jee-Eun Ko, and Da Jeong Kim. "Effects of Hair Dying by Used-up Coffee Grounds Extract (CGE)." Asian Journal of Beauty and Cosmetology 21, no. 4 (December 28, 2023): 605–14. http://dx.doi.org/10.20402/ajbc.2023.0062.

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Purpose: This study aimed to examine the effects of hair dyeing employing used-up coffee grounds extract (CGE).Methods: The total polyphenol concentration of CGE was analyzed using the Folin─Ciocalteu’s method, and a shampoo formulation was prepared by adding different CGE concentrations. The hair dyeing effectiveness was observed according to changes in these two variables: dyeing concentration and dyeing time. To investigate the dyeing effects, L<sup>*</sup> (Lightness), a<sup>*</sup> (Red─Green), and b<sup>*</sup> (Yellow─Blue) values were measured using a colorimeter. The optical density value was measured to examine the hair’s fading degree after bleaching.Results: The total polyphenol concentration in CGE was 122─133 mg GAE/g. The samples showed significant dyeing effects before and after application in terms of L<sup>*</sup>, a<sup>*</sup>, and b<sup>*</sup> values. Hair dyeing ability increased with both amplified CGE concentration and dyeing time. Regarding the bleaching process, no decrease in hair colour intensity or change in hair’s fading degree was observed for 21 days.Conclusion: The possibility of dyeing using CGE has been demonstrated, and further commercialization as a shampoo formulation is considered possible.

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26

GARDNER, H. S., and S. E. KALINOWSKI. "Cold-pad Desizing and Bleaching for Dyeing and Printing." Journal of the Society of Dyers and Colourists 81, no. 2 (October 22, 2008): 41–46. http://dx.doi.org/10.1111/j.1478-4408.1965.tb02641.x.

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27

BOWDEN, J. T. "Establishment of Complete Bleaching, Dyeing, Printing and Finishing Plants." Journal of the Society of Dyers and Colourists 87, no. 12 (October 22, 2008): 422–25. http://dx.doi.org/10.1111/j.1478-4408.1971.tb02983.x.

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28

DOYLE, A. W. "Education and the Bleaching, Dyeing, Printing and Finishing Industries." Journal of the Society of Dyers and Colourists 62, no. 4 (October 22, 2008): 101–8. http://dx.doi.org/10.1111/j.1478-4408.1946.tb02400.x.

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29

Islam, Md Touhidul, Tarekul Islam, Tarikul Islam, and Md Reazuddin Repon. "Synthetic Dyes for Textile Colouration: Process, Factors and Environmental Impact." Textile & Leather Review 5 (August 8, 2022): 327–73. http://dx.doi.org/10.31881/tlr.2022.27.

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Dyes are substances that enhance the appearance of finished goods by providing uniform colour. Dyeing is the application process of dyes that are fixed in textile fibers. The dyeing process uses various steps, including pre-treatment, desizing, scouring, bleaching, carbonizing, degumming, and mercerization. Water is considered the primary medium for applying dyes and other chemicals for this treatment in the dyeing process. The dyeing process contains many toxic chemicals, metals and non-soluble substances, such as wastewater, which is thrown into the environment. It is noted that, during dyeing , around 50-300 liters of water is required for 1 kg of fiber. On the other hand, 1-2 million liters of water are needed every day for 50,000 meters of daily production. This massive amount of toxic wastewater is highly harmful to the environment, human health, aquatic system, soil, air, water, plants, and animals. This review paper states various dyeing processes with different dyes, including acid dye, direct dye, sulfur dye, reactive dye, vat dye, metal complex dye, azo dye, disperse dye, and basic dye. In contrast, it also describes the influencing factors of dyeing processes and methods. Moreover, this review demonstrates the impacts of textile dyes on the environment (water, soil, air emissions, human health) and illustrates possible remedial actions regarding wastewater.

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30

Jantip, Suesat, Sae Be Porntip, and Potjanart Suwanruji. "Effect of Pretreatment and Dyeing Processes on the Physical Properties of Poly(Lactic Acid)/Cotton Blended Fabric." Advanced Materials Research 486 (March 2012): 253–59. http://dx.doi.org/10.4028/www.scientific.net/amr.486.253.

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The properties of PLA spun yarn was investigated comparing with cotton and PET spun yarns of the same linear density. The PLA/cotton blended fabric (50/50) was prepared and the fabric properties were analyzed in comparison with the 100% PLA and cotton fabrics. It was found that in the PLA/cotton blended fabric, cotton was the component that imparted moisture absorption, strength and drapeability to the fabric, while, PLA provided dimensional stability to the blend. Investigation of the effect of the pretreatment and dyeing processes found that the bleaching process for cotton with H2O2 under alkaline conditions caused a significant strength loss to the PLA fabric. The dyeing processes exhibited a slightly negative effect on the fabric strength. Meanwhile, the strength of cotton fabric was much less affected by the pretreatment and dyeing processes used. The fabric hand properties, viz. stiffness and drapeability of PLA and cotton fabrics were also influenced by the pretreatment and dyeing processes.

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31

Eren, Huseyin Aksel, Pervin Anis, and Asim Davulcu. "Enzymatic One-bath Desizing — Bleaching — Dyeing Process for Cotton Fabrics." Textile Research Journal 79, no. 12 (July 17, 2009): 1091–98. http://dx.doi.org/10.1177/0040517508099388.

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32

Wang, Xin, Weilin Xu, Weigang Cui, Wenbin Li, and Xungai Wang. "Bleaching and Dyeing of Superfine Wool Powder / Polypropylene Blend Film." Research Journal of Textile and Apparel 12, no. 4 (November 2008): 12–20. http://dx.doi.org/10.1108/rjta-12-04-2008-b002.

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Marsh, F. H. "Pressure Dyeing and Bleaching with special reference to Recent Developments." Journal of the Society of Dyers and Colourists 70, no. 3 (October 22, 2008): 105–12. http://dx.doi.org/10.1111/j.1478-4408.1954.tb02021.x.

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34

Jawaharlal, M., M. Visalakshi, S. Cintu, and M. Ganga. "Standardization for Drying, Bleaching and Dyeing Processes in Dried Flowers." Journal of Horticultural Sciences 8, no. 1 (June 30, 2013): 65–69. http://dx.doi.org/10.24154/jhs.v8i1.337.

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An experiment was conducted at Tamil Nadu Agricultural University, Coimbatore, during 2009-2010 to standardize processing techniques for dried flower production. Foliage of silver oak (Grevillea robusta), thuja (Thuja orientalis) and camellia (Camellia reticulata) was best preserved by glycerinization; leaves were soft and pliable, with lowest moisture and highest overall acceptability. In the case of fully-opened flowers in button-type chrysanthemum (Chrysanthemum grandiflorum), gerbera (Gerbera jamesonii) and plumeria (Plumeria alba), a combination of sand and silica gel, and microwave-oven embedded method was found to be suitable for drying, with high overall acceptability. Dried pods of jacaranda (Jacaranda mimosifolia) and castanospermum (Castanospermum australe) were fully bleached by soaking overnight in 10% sodium hydroxide and subsequent treatment with 2% sodium hydroxide + 2.5% sodium silicate + 35% hydrogen peroxide. Bleached pods were given dye treatments where acrylic dyes showed good dyeing consistency, light fastness, wash fastness and rubbing fastness.

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35

Zhang, Zong Deng, and Wen Jin Liu. "Analysis the Bamboo Resources Distribution and its Processing Technology in Hunan Province." Advanced Materials Research 211-212 (February 2011): 227–30. http://dx.doi.org/10.4028/www.scientific.net/amr.211-212.227.

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Hunan with rich bamboo resources, bamboo products closely relate with the people's daily lives. According to field surveys and investigations relevant information, this paper introduce the interception process, de-oiling process, correction process, polishing process, bleaching and dyeing of the bamboo section and the "decomposition process" and "integration" process of bamboo strips, and also introduce the craft and decoration process of bamboo products in Hunan.

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36

AMORIM, ALEXANDRA M., MARCELO D. G. GASQUES, JÜRGEN ANDREAUS, and MAURO SCHARF. "The application of catalase for the elimination of hydrogen peroxide residues after bleaching of cotton fabrics." Anais da Academia Brasileira de Ciências 74, no. 3 (September 2002): 433–36. http://dx.doi.org/10.1590/s0001-37652002000300006.

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Results of dyeing of cotton fabrics with a bifunctional reactive dye were significantly improved when the fabric after bleaching with hydrogen peroxide was treated with catalase for the elimination of hydrogen peroxide residues from the fabrics. Compared to processes with a varying number of washing steps, with and without commercial reducing agents, the consumption of water could be significantly reduced, without altering the final color shade.

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37

Li, Wang, Yang, Liu, and Guo. "Preparation and Characterization of Dyed Corn Straw by Acid Red GR and Active Brilliant X-3B Dyes." Materials 12, no. 21 (October 24, 2019): 3483. http://dx.doi.org/10.3390/ma12213483.

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Corn straw is a kind of biomass material with huge reserves, which can be used in plate processing, handicraft manufacturing, indoor decoration, and other fields. To investigate the dyeing mechanism of corn straw with different dyes, corn straw was pretreated and dyed with Acid Red GR and Brilliant Red X-3B. The dyeing properties and light resistance of the two dyes were analyzed by dyeing rate, photochromaticity, FTIR, SEM, and water-washing firmness. The results showed that the structure and stability of the dyes were the main factors which influenced fading. A bleaching pretreatment could remove the waxiness of the corn straw epidermis and increase the porosity on the surface of the straw, which accelerated the photochromic coloring of the corn straw skin. The corn straw dyed with both dyes had good light resistance, but the straw dyed with Reactive Brilliant Red X-3B had higher dyeing rate, brighter color, and higher photochromaticity than the straw dyed with Acid Red GR. FTIR and water-washing firmness showed that Acid Red GR mainly bound to lignin, while Reactive Brilliant Red X-3B mainly bound to cellulose, hemicellulose, and lignin in corn straw through covalent bonds, which increased the coloring rate.

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Preethi, T. L., T. Thangaselvabai, and R. Sankaranarayanan. "Standardization of drying, bleaching and dyeing techniques for non-traditional flowers." Acta Horticulturae, no. 1241 (June 2019): 627–32. http://dx.doi.org/10.17660/actahortic.2019.1241.92.

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BOHRER, E. "Automation in Bleaching and Dyeing with Reference to the Thies Duomat." Journal of the Society of Dyers and Colourists 81, no. 6 (October 22, 2008): 258–61. http://dx.doi.org/10.1111/j.1478-4408.1965.tb02665.x.

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Luciana, Luciana, and Riza Rizkiah. "Utilization Of Methyl Ester Sulfonate As a Surfactant Raw Material in the Scouring, Bleaching and Dyeing Process of Rayon Fabric." Technium Sustainability 2, no. 2 (March 9, 2022): 23–31. http://dx.doi.org/10.47577/sustainability.v2i2.6079.

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The use of surfactants from palm oil as a wetting agent can be applied in the textile wet processes. Used cooking oil that has been through esterification and transesterification processes can be used as a raw material for surfactants. During this process, methyl ester sulfonate has been formed as a surfactant raw material. MES surfactant as an active ingredient in detergents has a detergency ability in water with a high hardness level, has a tolerance property to Ca 2+ ions, has a low foaming rate, and has good stability to pH. The purpose of this research is to utilize used cooking oil that has been processed through esterification, transesterification, and sulfonation for the surfactant manufacturing process which will later be used for wet textile processes and to determine the optimum concentration of surfactant produced in the cooking and dyeing process of rayon compared to commercial surfactants (teepol). The experiments carried out were the process of making surfactants from methyl esters into sulfonate methyl esters, through the processes of sulfonation, purification and neutralization. Then, testing the wetting time, absorbency of the fabric and testing the resistance of acid, base, and hardness. Then the surfactant product is applied to the cooking and bleaching processes simultaneously, then the dyeing process is continued with the surfactant as a cloth wetting agent in the dyeing process. Then tested the age and evenness of the dyed fabric color. The results showed that MES surfactant has almost the same properties as a teepol, which holds it hard and not resistant to acids and bases. It has a good wetting ability and can reduce surface tension so that the fabric can absorb water in 23,36 seconds. The optimum conditions were achieved in MES surfactant concentrations using 2 ml / L in the scouring bleaching process (simultaneous) and 2 ml / L in the dyeing process. The color saturation is 25.6148 and the color evenness results in a standard deviation of 0.395.

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Hong, Seong Gyun, Byeong M. Oh, Jong H. Kim, and Jea Uk Lee. "Textile-Based Adsorption Sensor via Mixed Solvent Dyeing with Aggregation-Induced Emission Dyes." Materials 17, no. 8 (April 11, 2024): 1745. http://dx.doi.org/10.3390/ma17081745.

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This study demonstrates a novel methodology for developing a textile-based adsorption sensor via mixed solvent dyeing with aggregation-induced emission (AIE) dyes on recycled fabrics. AIE dyes were incorporated into the fabrics using a mixed solvent dyeing method with a co-solvent mixture of H2O and organic solvents. This method imparted unique fluorescence properties to fabrics, altering fluorescence intensity or wavelength based on whether the AIE dye molecules were in an isolated or aggregated state on the fabrics. The precise control of the H2O fraction to organic solvent during dyeing was crucial for influencing fluorescence intensity and sensing characteristics. These dyed fabrics exhibited reactive thermochromic and vaporchromic properties, with changes in fluorescence intensity corresponding to variations in temperature and exposure to volatile organic solvents (VOCs). Their superior characteristics, including a repetitive fluorescence switching property and resistance to photo-bleaching, enhance their practicality across various applications. Consequently, the smart fabrics dyed with AIE dye not only find applications in clothing and fashion design but demonstrate versatility in various fields, extending to sensing temperature, humidity, and hazardous chemicals.

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Wu, Ruo Zi. "Dyeing and Finishing of the Wool Regeneration Protein and Polyacrylonitrile Copolymerization Fiber." Advanced Materials Research 710 (June 2013): 161–65. http://dx.doi.org/10.4028/www.scientific.net/amr.710.161.

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Partial dyeing and finishing properties of the copolymerization fiber of wool regeneration protein and polyacrylonitrile are analyzed in this article. The optimum bleaching condition is 30%H2O230g/L, Na2SiO36%(o.w.f) for 60min at 60°C.This new fiber can be dyed by acid dye and cationic dye in one-bath one-step dyeing process. Interaction between anionic surfactant NNO and cationic dye has been investigated using conductometric examinations. The results are that the mass ratio of cationic dye and NNO is 1:7-9, the ratio of anionic dye and cationic dye is 2:8 which is the same as the constituents of fiber. The method of making this special dyestuff is drying the cationic dye (liquor) and NNO (liquor) compound, and then mixed with acid dye, thus trichromatic dyestuffs have been made on the whole through experiment.

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Shekh Md. Mamun Kabir and Joonseok Koh. "Bleaching of Jute-Cotton blend fabric with Peracetic acid for deep dyeing." Journal of Fiber Science and Technology 77, no. 4 (April 15, 2021): 146–56. http://dx.doi.org/10.2115/fiberst.2021-0014.

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Wang, Haona, Li Kong, Honghui Xia, Jie Min Huang, Bo Deng, and Heng Pan. "Effects of age on the structure and bleaching/dyeing behaviour of hair." Coloration Technology 137, no. 3 (January 19, 2021): 226–33. http://dx.doi.org/10.1111/cote.12525.

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Bulut, Meliha Oktav. "Low temperature bleaching for reactive dyeing and top white knitted cotton fabric." Journal of Cleaner Production 137 (November 2016): 461–74. http://dx.doi.org/10.1016/j.jclepro.2016.07.124.

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Gambrell, W. H. "A Look at the Future of Bleaching, Dyeing and Finishing Polyester-Cotton." Journal of the Society of Dyers and Colourists 91, no. 5 (October 22, 2008): 129–32. http://dx.doi.org/10.1111/j.1478-4408.1975.tb03238.x.

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Murfet, George J. "Nottingham and the Leen Valley: bleaching and dyeing in a historical context." Journal of the Society of Dyers and Colourists 107, no. 10 (October 22, 2008): 348–56. http://dx.doi.org/10.1111/j.1478-4408.1991.tb01276.x.

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Sutlović, Ana, Martinia Ira Glogar, Ivana Čorak, and Anita Tarbuk. "Trichromatic Vat Dyeing of Cationized Cotton." Materials 14, no. 19 (September 30, 2021): 5731. http://dx.doi.org/10.3390/ma14195731.

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This article deals with cationization of cotton during mercerization and its effects on trichromatic vat dyeing. If cationization is carried out during the after-treatment, regardless of cotton pretreatment, the reaction takes place on the surface and blocks cellulose groups, subsequently resulting in uneven coloration. However, when cationization is carried out with an epihalohydrin during the mercerization process, new cellulose is formed in which the cationic compound is uniformly distributed and trapped between cellulose chains, resulting in uniform coloration after the dyeing process. The reaction time for the process during mercerization is 24 h, thus a more favorable process was researched. Based on electrokinetic analysis, it was found that 5 h was sufficient for the reaction with 3-chloro-2-hydroxypropyltrimethyl ammonium chloride (CHPTAC). The cationization of cotton contributed to the processes of vat dyeing. The change in charge upon cationization resulted in very high adsorption of vat-dye anions, indicating that ionic bonding occurred in addition to van der Waals forces. The color depth improved by more than 10 times. It should be emphasized that the colors with higher chroma and targeted color hue, especially in trichromatic dyeing, were obtained on cationized cotton, in contrast to standard cotton fabrics. The color differences obtained under the different light sources indicate the occurrence of metamerism. Considering the color fastness to laundering, vat-dyed cationized fabrics of all colors may be used in hospitals or other environments where high hygiene and oxidative bleaching are required.

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S, Syam Sundar. "Direct reuse of scour and bleach effluent water for cotton knitted fabrics." Scientific Temper 14, no. 02 (June 6, 2023): 347–50. http://dx.doi.org/10.58414/scientifictemper.2023.14.2.16.

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In a view on Environmental aspects, the amount of the pretreated effluent water from the Textile processing industry is very much harmful to the surroundings of living things and for human beings. The water which has been released from the processing industry contains a chemicals and salts used in the processing of the De-sizing, Scouring, Bleaching and Dyeing. These processes contain high BOD, COD and pHs To evaluate this, the processing mills are having the reuse of the contaminated water by the ETP process which is well known in the world. These ETP’s are helped to reuse the water in the above pretreatment process to overcome the environmental issues. So in this current paper, we had discussed and done the process of reusing the contaminated water taken from the combined scouring & bleaching process for the Knitted fabrics. That processed water can be reused for the next day (knitted sample) and so on. When until the water gets evaporated. We can eliminate reducing the fresh water content for (Hot wash & cold wash) and by adding the required chemicals and salts used for the combined scouring and bleaching process.

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Wang, Jian Ming, and Hong Bo Zhang. "The Influence of Dyeing & Finishing Process on Mechanical Properties of PU Filaments." Advanced Materials Research 332-334 (September 2011): 196–99. http://dx.doi.org/10.4028/www.scientific.net/amr.332-334.196.

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Abstract. Several convert processes, e.g. Scouring, Bleaching, Heat setting, High temperature & high pressure dyeing (HTHPD), which might damage the breaking strength of PU filaments were examined in this research. The influence of temperature, time and elongation percentage in heat setting was discussed in particular. The experimental results show that the dominant processes which damage the PU filaments are heat setting and HTHPD. The breaking strength retention of PU filaments range between 51.74%-84.03%, 67.64%-74.67%, respectively after heat setting & HTHPD. The higher the elongation percentage, the lower the heat setting efficiency.

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