Relevant bibliographies by topics / Colour fastness

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Colour fastness'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Colour fastness"

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Singh, Jitendra Pratap, and Sanjeev Kumar Ram. "Designing woven velour printed terry fabric for improved colour fastness." International Journal of Clothing Science and Technology 32, no. 4 (March 13, 2020): 551–69. http://dx.doi.org/10.1108/ijcst-03-2019-0034.

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PurposeThe purpose of this paper is to investigate the effect of pick density, pile height and pile yarn count (both single- and double-ply yarn) on the colour fastness to crocking, colour fastness to washing, colour fastness to water of woven velour printed terry fabrics. These variables have also been optimized for developing high-quality fabrics.Design/methodology/approachVariables were selected on the basis of past research experience and samples were prepared according to the Box–Behnken design of experiments. The samples were tested for colour fastness to crocking, colour fastness to washing and colour fastness to water by following AATCC 8, AATCC 61, 2A and AATCC 107, respectively.FindingsThe colour fastness to crocking, washing and water of woven velour printed terry fabrics increases with the decrease in pile height and pick density. The colour fastness properties of the fabric increase with increase in fineness of the pile yarn count. Woven velour printed terry fabric with 16.25 picks per cm, 3.5 mm pile height and 16 Ne pile yarn will show best colour fastness. Woven velour printed terry fabric (plied pile yarn) with 16.25 picks per cm, 3.5 mm pile height and 2/24 Ne pile yarn will show best colour fastnessPractical implicationsProved a practical approach to control fastness properties of the fabric by changing fabric variables.Originality/valueColour fastness properties of woven velour printed terry fabrics have never been reported. The research work gives the better understanding to develop high quality of fabrics by reducing pile height and pick density. This will also reduce the cost of the fabric.
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Rhodes, W. K. "Colour Fastness to Dry-cleaning." Journal of the Society of Dyers and Colourists 80, no. 1 (October 22, 2008): 20–23. http://dx.doi.org/10.1111/j.1478-4408.1964.tb02562.x.

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Rhodes, W. K. "Colour Fastness to Dry-cleaning." Journal of the Society of Dyers and Colourists 80, no. 1 (October 22, 2008): 23–32. http://dx.doi.org/10.1111/j.1478-4408.1964.tb02563.x.

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Nakpathom, Monthon, Buppha Somboon, Nootsara Narumol, and Rattanaphol Mongkholrattanasit. "Fruit shells of Camellia oleifera Abel as natural colourants for pigment printing of cotton fabric." Pigment & Resin Technology 46, no. 1 (January 3, 2017): 56–63. http://dx.doi.org/10.1108/prt-01-2016-0010.

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Purpose The present study aims to focus on the feasibility of using an aqueous extract from the fruit shell of Camellia oleifera Abel as a source of natural colourant in printing-paste preparation for pigment printing of cotton fabric. The effects of pre- and post-mordanting with three common metallic mordants, that is AlK(SO4)2, CuSO4 and FeSO4 on colour yield and colour fastness properties are also investigated. Design/methodology/approach The printing paste was prepared by mixing the concentrated Camellia oleifera Abel fruit shell extract solution with commercially available synthetic thickener and binder. The fabric sample was printed with the prepared printing paste using a flat-screen printing technique. To determine the effects of pre- and post-mordanting, AlK(SO4)2, CuSO4 and FeSO4 mordant aqueous solutions with various concentrations were applied using the pad-dry technique. Comparisons between printing with and without mordants were evaluated in terms of colour strength (K/S values) and colour fastness to washing, light, crocking and perspiration. Findings Without the mordants, the printed fabric had a yellowish brown shade with acceptable colour fastness properties, that is fair to good wash fastness, moderate light fastness, good to very good crocking fastness and fair to good perspiration fastness. The use of mordants, especially CuSO4 and FeSO4, not only enhanced colour strength but also imparted different colours to the fabric. Compared to the unmordanted fabrics, colour fastness properties were mostly comparable or improved in the mordanted fabrics depending on the type and concentration of mordants. Research limitations/implications Although in the case of CuSO4 the light fastness was increased to a good to very good level, it is recommended that the final print be produced with a concentration of less than 0.125 gL−1 to yield the print with the residual amount of Cu metal under the limit, that is less than 50 ppm as regulated by the Oeko-Tex® standard. Practical implications The obtained prints from Camellia oleifera Abel fruit shell extract provided shades with satisfactory colour fastness to washing, light, crocking and perspiration. The extract from Camellia oleifera Abel fruit shell has the potential to be used as an alternative to synthetic dye in the textile industry. Originality/value The use of Camellia oleifera Abel fruit shells, which are considered as abundant byproducts of tea seed oil production, as natural colouring agents for pigment printing of cotton fabric has been reported for the first time. It will minimise the environmental impact of this waste and create more valuable textile products.
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Wan Ahmad, Wan Yunus, M. A. Mohd Nor, N. Saim, M. I. Ab Kadir, and M. R. Ahmad. "Nano Natural Dyes from Melastoma Malabathricum L." Advanced Materials Research 545 (July 2012): 59–63. http://dx.doi.org/10.4028/www.scientific.net/amr.545.59.

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In this study, natural colours were produced from Melastoma Malabathricum L.’s (Senduduk) plant. The dyes were extracted from the petal part of the plant using solvent extraction method of acidified methanol and methanol. The natural colours were then converted into powder form of nano size scale using a ball mill grinder. Silk fabrics were used as the substrate and dyed using several natural and synthetic mordant. The use of different solvents for extraction and mordant for dyeing resulted in different colour shades on the silk fabrics. The color fastness to washing tests revealed colour fastness to washing ranging from 3 – 4/5 and the change in color ranging from 3/4 – 4/5. The findings will benefit and promote the dyeing and printing industry such as batik manufacturers and local fashion industry in using natural dyes. On the other hand, dyes from plants can also be used as an alternative to synthetic dyes for dyeing natural silk fibers.
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Ariyakuare, Kittisak, Charoon Klaichoi, Naruepon Phaisarntantiwong, and Songkram Senatham. "Colour Fastness Property of Printed Cotton Fabric Using Warp Yarn Printing Technique." Applied Mechanics and Materials 804 (October 2015): 209–12. http://dx.doi.org/10.4028/www.scientific.net/amm.804.209.

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Cotton fabric samples were printed with pigment dye using warp yarn printing technique has been investigated. The color fastness was evaluated to testing in with washing, light, rubbing, water, and perspiration of the printed samples, the test were determined according to ISO 105-C06 A1S: 2010, ISO 105-B02: 1994, ISO 105-X12: 2001, ISO 105-E01: 2010, and ISO 105-E04: 2008 respectively. The results showed that the colour fastness to washing, water, and perspiration were in very good level whereas colour fastness to rubbing was in good. The results indicated that the properties of printed samples (handling and sharpness) were good to very good level.
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Nakpathom, Monthon, Buppha Somboon, Nootsara Narumol, and Rattanaphol Mongkholrattanasit. "High temperature dyeing of PET fabric with natural colourants extracted from annatto seeds." Pigment & Resin Technology 48, no. 2 (February 21, 2019): 129–36. http://dx.doi.org/10.1108/prt-04-2018-0035.

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Purpose The purpose of this study is to investigate the possibility of dyeing polyester (PET) fabric with natural dye extracted from annatto seeds using high temperature dyeing method. Design/methodology/approach PET fabric was dyed with annatto extract by varying dyeing parameters (temperature, time, pH and dye concentration) to determine the optimum dyeing conditions. The influences of KAl(SO4)2, FeSO4, gallnut mordants or a commercial UV absorber on colour yield and fastness properties were further studied. Findings Optimum results were obtained when the fabric was dyed at 130°C for 30 min in a dyebath containing 15 per cent (owf) annatto dye at pH 6. The dyed fabric had an orange shade and exhibited good to excellent wash, crock, perspiration fastness and fair light fastness. Further dyeing with mordants or UV absorber mostly resulted in lower colour yield and similar fastness properties. Research limitations/implications Although the light fastness was slightly improved to moderate level for the sample with UV absorber, a noticeable colour staining on cotton portion of multi-fibre fabric occurred when subjected to standard washing test. Compared to C.I. Disperse Orange 73, the annatto dye exhibited comparable colour fastness but had inferior light fastness when dyed at approximately the same colour strength. Originality/value Natural colourants from annatto seeds can be used to dye PET fabric at high temperature without mordants, yielding deep orange shade and satisfactory fastness properties. This study provides a promising application to reduce the environmental impact of synthetic dyes.
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NITAYAPHAT, WALAIKORN, and THANUT JINTAKOSOL. "Optimizing the Dyeing of Silk Fabric with Gemstone Powder using Exhaustion Process." Asian Journal of Chemistry 32, no. 9 (2020): 2275–78. http://dx.doi.org/10.14233/ajchem.2020.22800.

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The silk fabrics were modified by a cationic reagent, N-(3-chloro-2-hydroxypropyl)trimethylammonium chloride in order to prepare the fiber to be dyed with gemstone powder (i.e. malachite, lapis lazuli and jasper) by an exhaustion process. The effect of dyeing conditions such as temperature, dyeing time, pH and gemstone powder concentration on colour strength were investigated. Optimum results were achieved when dyeing at a liquor ratio of 1:100 at pH 3 (for malachite and jasper) or pH 5 (for lapis lazuli), at 90 ºC for 60 min. The color fastness to crocking of cationic treated silk fabric dyed with gemstone powder was fair to good, whereas the color fastness to washing was poor to fair. However, the colour fastness to light was very good. This study demonstrated that cationic treated silk fabric can dyed with gemstone powder by exhaustion process.
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TAYYAB, NAVEED, RASHDI YASEEN SAYED, REHMAN FAISAL, WEI WANG, AWAN ASHRAF JAVEED, ABBAS MUDASSAR, FRAZ AHMAD, and AWAIS MUHAMMAD. "Dyeing and colour fastness of natural dye from Citrus aurantium on Lyocell fabric." Industria Textila 71, no. 04 (August 31, 2020): 350–56. http://dx.doi.org/10.35530/it.071.04.1686.

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The use of natural dyes for textiles has attained attention due to their ecology, minimum impact on the environment and pollution. Therefore the objective of this study is to dye Lyocell fabric with natural dye extracted from orange peel for comparative analysis of colour efficiencies (K/S), CIE L*a*b* values and the colour fastness properties. The mordants applied were ferrous (II) sulphate and copper (II) sulphate. For the extraction of the dye, the aqueous extraction method was used. The pre-mordanting method was used and the dyeing effect on Lyocell fabric was analyzed at concentrations of 2% and 4%. It was observed that the mordant type employed had an influence on the colour efficiency and the colour coordinates of fabric dyed with Citrus aurantium dye. The colour efficiency (K/S: 4) and colour fastness to washing, light, rubbing and perspiration in all the dyed samples were better and excellent (grade 4–5) at 4% concentration. In overall results, the pre-mordanting method at 4% concentration gives the best results of colour efficiency and colour fastness properties. The performance analysis of colour fastness was also statistically significant at the 0.05 level.
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PARK, J. "Colour-fastness Assessment of Textile Materials." Review of Progress in Coloration and Related Topics 6, no. 1 (October 23, 2008): 71–78. http://dx.doi.org/10.1111/j.1478-4408.1975.tb03802.x.

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Dissertations / Theses on the topic "Colour fastness"

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Izadan, Hossein. "Assessment of Colour and Colour Fastness of Textile Materials." Thesis, University of Leeds, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.485589.

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The main aim of this research was to investigate the possible uses of digital image scanning to assess the colour and colour fastness of textiles. This method has the potential to be a simpler alternative to camera based colour fastness assessment, for example'by the DigiEye system.. The scanning device used was an Epson Perfection 2400 Photo scanner, a mid-range quality device. The scanner was operated in· two different modes, 24 and 48 bits colour resolution and was calibrated by adjusting its setting, testing its repeatability for colour measurement and examining the spatial uniformity of response of the scanner. The results showed that the spatial uniformity of the 'scanner response was excellent for the majority of the scanning area but less uniform for the areas along its scanning borders. The repeatability of the scanner values for the colour measurement purposes was reasonable. The colour and colour fastness determination by the 24 and the 48 bits scanner modes indicated that there were no practical benefits to the use of the 48 bits. The colorimetric response of the scanner was characterised with the XYZ and the L*a*b* approaches in which the RGB responses of the scanner were transformed to the XYZ tristimulus values and to the L*a*b* values, respectively. It was shown that pre-treatment of the data by linearisation against either luminance or mean reflectance gave very good results with the XYZ approach to scanner. characterisation and that linearisation against L* gave excellent results for the L*a*b* approach to scanner characterisation. In the characterisation of the scanner two different techniques for parameter optimisation were applied, regression and iteration. The experiments show that the iteration techniques marginally improved the performance of the XYZ approach but it had no significant effect on the L*a*b* approach. The experiments conducted to find the best colour chart to use for colorimetric characterisation of the scanner showed that the TC chart which was made from an atlas of textile colour patches outperformed the CCDCchart which was made of 165 patches. of the ColorChecker DC. From the performance results of the colorimetric characterisation with different polynomials in the regression techniques it was found that using a second order polynomial to relate RGB to output colour parameters had the best generalisation and a good memorisation effect. It was concluded that for colour fastness assessment the scanner should be characterised with a regression technique fitting the coefficients of a second order polynomial us'ing the RGB to L*a*b* approach 'of colorimetric characterisation and theL* method for linearisation of the eeDe chart patches' RGB. The relative spectral power distribution (SPD) of the scanner lamp was also measured and it was concluded that part ofresidual inaccuracies of the scanner colour measurement could have arisen from the spiky shape ofthe SPD. The characterised scanner was used for instrumental colour fastness assessment of two sets of panels, one set of 60 staining and 15 colour change panels called the old set and a set of240 staining and 40 colour change panels made during the research to increase the range and uniformity ofthe colour distribution ofthe panels. An existing set of observer results were available for the old set and were obtained from 38 observers from 12 laboratories ofthe UK. The grades for the new set were obtained from 6 observers from two laboratories in the UK. The instrumental colour fastness grades of the sets were determined by the ISO, the GRS and the GRC formulae using a spectrophotometer, DigiEye system and the scanner. On the basis of the results of these devices in comparison to the average visual grading, it was c,oncluded that the ISO staining formula as well as the GRS and the GRC predict grades with smaller disagreement to the average of the visual grades than the inter observer variation. However, the ISO colour change formula determined grades with a higher level of disagreement to the average visual grade that was higher than the inter-observer variation. The scanner grading showed very good agreement to the· spectrophotometric and DigiEye grading with the ISO staining, the GRS and the GRC formulae but only moderate agreement with the ISO colour change formulae. The scanner repeatability for colour fastness assessment was determined and shown to be very good, however, as the frequency of assessment by the scanner in a research situation is not comparable to its industrial application, it was suggested to characterise the scanner once a day. The characterisation of the scanner with the research TC chart was shown to produce np significant improvement in the results that justify the difficulty of the preparation and maintemmce ofthis chart. A comparison was made between visual grades obtained from experienced and from inexperienced assessors of colour fastness. The results suggest that the grades given by the inexperienced are comparable to those assessed by the experienced assessors and the disagreements between the average grades are less than the experienced assessors inter-observer variation. However, as the experimental conditions for the set of the inexperienced assessors were the same but .were not the same for the member of the set of the experienced assessors it was suggested that further study is needed.
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McAllister, Liam John. "Modification of natural dyes for superior dyeing capability, high fastness and wide colour gamut." Thesis, University of Leeds, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.590472.

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The issue of sustainability has pervaded many areas of technology in recent years, in response to concerns over the possible impact of such technologies on the environment. One such technology is the textile industry, which is at present heavily dependent upon the supply of petrochemicals. The petrochemical industry will at some point in the immediate future, have to tackle not only the price of oil but also the gradual decrease in its availability. The development of technologies that offer genuine solutions to these problems are of crucial importance. Azo dyes account for a major percentage of the dyes currently in use, with anthracene-9,IO-dione based dyes responsible for a sizeable proportion of the remaining market. Azo dyes have many excellent characteristics from a dyeing perspective, but their suspected toxicity following degradation may at some point in the future curtail their use. The synthesis of anthracene-9,10-dione based dyes requires multi-stage synthesis coupled with isomeric separation, and from a commercial viewpoint only blues and reds prove cost effective. By means of simple one-step synthetic modifications this study has shown, that modified naturally occurring anthracene-9,lO-dione based dyes show excellent technical performance in some cases on poly(lactic acid) (PLA) and poly(ethylene terephthalate) (PET). The improvements made over their natural precursors include; higher dye exhaustion, improved colour strength, better saturation chroma (C*), and improvements in light fastness. The most effective derivatives are produced following alkyl substitution across adjacent hydroxyl groups, which yielded cyclic acetals and ethers with improved dyeing characteristics.
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Cao, Qingqing. "An investigation of the environmentally friendly pigment colouration." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/an-investigation-of-the-environmentally-friendly-pigment-colouration(0be8445c-f36e-4c2f-ba60-234f25d1492e).html.

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This research has investigated the modification of cotton fabric and pigment dyeing system in order to improve the colouration properties, such as rub fastness, wash fastness, colour strength and fabric handle of the textile material. It involved four different approaches based on pre-cationization of the fabric, incorporation of crosslinkers into the binder formulation, UVO pre-treatment of the fabric, and wet fluorocarbon treatment and dry plasma polymerisation treatments.It has been reported that the Matrix OSD pigment dyeing system offers benefits in terms of processing cost and environmental impact and from the initial studies it was apparent that while dry rub fastness, mechanical rigidity and washing performance were generally acceptable the wet rub fastness of the printed fabrics presented a technical challenge. Therefore in this study the colour wet rub fastness was regarded as the main performance indicator to be targeted and improved. Cationizing the cotton fabrics prior to pigment dyeing improved the wet rub fastness performance of the Matrix OSD dyeing system, while the other fastness properties were in general unchanged. Similarly crosslinking treatments enhanced the colour fastness performance, due to the improvement of the bonding between the binder and fabrics. The crosslinking/crease resist pre-treatment offers better performance than the combined application method in terms of improving the wet rub fastness. Surface modification of textile materials is able to modify the textile wettability, adhesion, dyeability and handle and therefore has been studied with a view to improving the durability of the surface pigment dyed coating. However in this study the benefits of a UV/Ozone (UVO) pre-treatment previously observed for other long liquor fabric dyeing studies of textiles was not observed and it was established that the pigment dyeing performance was reduced after the sensitised photo-oxidation treatment. The investigation demonstrated that the fluorocarbon treatments had a beneficial effect on colour wash fastness and wet rub fastness, while dry rub fastness was marginally reduced at higher fluorocarbon application levels. Different fluorocarbons were examined in this study, and the aftertreatment with Shield F-01 and Shield extender FCD offered the best results. A range of plasma pre-treatments prior to pigment dyeing were also examined but only a marginal benefit on the colour fastness properties and to some extent slightly decreased dry rub fastness was observed. In contrast the plasma after-treatments, using both argon (Ar) and nitrogen (N2) atmospheres, improved the fastness, particularly wet fastness, particularly when the binder heat curing process was before plasma after-treatment.
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Abouamer, Karima Massaud. "Application of natural dyes in textile industry and the treatment of dye solutions using electrolytic techniques." Thesis, Brunel University, 2008. http://bura.brunel.ac.uk/handle/2438/5088.

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Anodic oxidation of a commercial dye, methylene blue (MB), from aqueous solutions using an electrochemical cell is reported. Data are provided on the effects of eight different types of supporting electrolytes, concentration of electrolytes, initial dye concentration, current and electrolytic time on the percentage removal of methylene blue. Anodic oxidation was found to be effective in achieving the removal of methylene blue from aqueous solutions. The optimised electrolytic conditions, for the removal of methylene blue (MB), were applied to the removal of azure A (AA), azure B (AB), azure C (AC), toluidine blue 0 (TBO), new methylene blue (NMB), dimethyl methylene blue (DMMB), thionine (TH), methylene green (MG), methyl violet (MV), Nile blue (NB), neutral red (NR), acridine orange (AO) and resorufin (RS) from aqueous solutions containing sodium chloride. Results indicated that between 84 to 100% of each dye of phenothiazine was removed during 60 minutes of electrolysis. The percentage removals for the phenothiazine dyes followed the following decreasing order: (MG ≈ MV) > (DMMB ≈ AA) > (AB ≈ AC ≈ NMB) > TBO > TH. However, the azine, acridine and oxazine dyes showed between 98 to 99% colour removal and the following decreasing order: NB ≈ NR > AO ≈ RS. Strongly electron withdrawing substituents such as nitro group or carbonyl group increases the degradation of the phenothiazine chromophore, whereas the electron donating groups such as amino and alkyl amino groups decrease the degradation. Anodic oxidation studies were extended to the destruction of eight permitted food colours, with azo and triarylmethane chromophore, from aqueous solution containing either sodium chloride or sodium sulphate as a supporting electrolyte. Again, sodium chloride was found to be the best supporting electrolyte and between 97 to 100% colour removal was achieved after 60 minutes of electrolysis. The percentage removal for the single azo based colourants followed the following increasing order: carmoisine > sunset yellow FCF > amaranth > ponceau 411 > tartrazine. However, the binary and ternary mixtures of food colour showed the following increasing order: blue > green > yellow food colours. The extractions and applications of 54 different types of natural dyes (53 from plants and one from animal origin) are evaluated using simple techniques. The extracted natural dyes were applied in dyeing three types of textile fabrics viz: a) paj silk, b) brushed cotton twill and c) crystallized shimmering satin. The effects of two eco-friendly mordants (alum and iron) on the dyeing process were compared with the dyeing process without mordants. The colour fastness to wash and light (both natural and artificial sun light) of these natural dyes were also assessed. The results showed that out of the 54 dyestuffs studied, 32 plants are potentially able to produce marketable natural dyes. These dyes produced good colour and met minimal performance standards for colour fastness to light and washing. The addition of mordants generally increased the fastness properties. Silk gave the best performance of dyeing uptake and stability. Cotton gave the poorest fastness properties. The overall results showed that, considering molecular associations, the fastness properties were of the order: anthraquinones and tannins> indigoid > flavones> flavonols > flavanols> carotenoids> anthocyanins. Anodic oxidation studies were extended to the destruction of ten natural dyes from aqueous solutions containing either sodium chloride or sodium sulphate as a supporting electrolyte. Anodic oxidation was effective in achieving the removal of green tea (35%), spinach (69%), Langdale yellow and turmeric (95%), carmine, saffron, henna (97%), beetroot, karkade and sumac (98%). However, TOC measurements and the UV analyses indicated that some organic intermediate compounds were formed in the presence of sodium chloride.
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Belot, Lydie Marie-Jeanne. "The use of water-soluble keratin Bunte Salt derivatives in improving the colour fastness of cotton fabrics." Thesis, University of Leeds, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.417310.

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Fergusson, Stanley MacArthur, and mac fergusson@rmit edu au. "The Effect of Laundry Detergents and Residual Alkali on the Light Fastness of Reactive Dyes on 100% Cotton." RMIT University. Fashion and Textiles, 2008. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20081128.162252.

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This study presents findings on the effect of domestic laundry detergents on the fastness to light of selected fibre reactive dyes applied to cotton. The study was carried out to elucidate the reasons for the accelerated colour loss of cotton garments washed under Australian domestic laundering conditions. Cotton fabric dyed with commonly used reactive dyes were laundered with water only, several domestic detergents and a laboratory formulated neutral detergent, and then exposed to light for two hours in the wet state. Quantities of detergent used were in accordance with the manufacturers recommendations. Exposures were repeated fifteen times equivalent to 30 hours exposure. Colour loss and colour difference were measured after 5, 10 and 15 wash cycles and 10, 20 and 30 hours exposure. When the fabric was exposed wet the colour faded more rapidly than when exposed dry to light. Detergents increased the colour loss even when the fabric was not exposed to light. The presence of an oxidizing bleach (sodium perborate) in the detergent increased colour loss during washing and wet exposure to light. Ultraviolet radiation from the light source, heat, moisture, alkali and oxidising bleach during exposure resulted in hydrolysis of the dye-fibre bond causing dye desorption during washing and rinsing. Water alone increased the fading of the dyes most likely due to presence of dissolved oxygen held within the fibre. The combination of ultraviolet radiation and oxidizing bleaches altered the chemistry of the dye and hence its shade. This was particularly evident on the black dye and one of the navy blue dyes.
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Sobková, Martina. "Aplikační aspekty textilních zátěrů s termochromními pigmenty." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2018. http://www.nusl.cz/ntk/nusl-376877.

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V diplomové práci je prezentovaná literární rešerše na téma termochromní pigmenty a jejich aplikace v polymerních matricích. Výzkum byl zaměřen na hlubší pochopení termochromního efektu v pigmentech na bázi molekulárních komplexů. Termochromní pigmenty byly aplikovány do polyuretanového textilního zátěru a bylo zjištěno optimální nastavení podmínek zátěru. Textilní zátěry byly podrobeny termickým zkouškám a zároveň byla pozorována jejich stálobarevnost.
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Oliveira, Guilherme Venancio de. "A influência de tratamentos com quitosana na solidez da cor a lavagem em camisetas de algodão com estamparia digital." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/100/100133/tde-28112017-174748/.

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A utilização da quitosana como fixante de corantes tem se mostrado relevante, devido a sua estrutura química que é responsável pelas suas propriedades biodegradável e antibacteriana. O presente estudo teve como objetivo principal utilizar a quitosana para auxiliar na fixação de corantes pigmentados utilizados na estamparia digital. Também foi testada a carboximetilcelulose. A quitosana foi dissolvida em ácido acético 2% (v/v) nas concentrações de 5, 10, 15 e 22,2 g/L, enquanto a carboximetilcelulose foi dissolvida em água na concentração de 14,28 g/L Os polímeros foram aplicados como pré e pós tratamentos em malha de algodão por dois processos diferentes, via Foulard e por estamparia de quadros. A presença dos polímeros impregnados nas fibras de algodão foi avaliada por Microscopia Eletrônica de Varredura (MEV). As amostras de malha tratadas e não tratadas (controle) foram lavadas por 54 vezes simulando o uso de uma camiseta durante um ano e avaliadas em espectrofotômetro quanto à solidez da cor a lavagem utilizando os parâmetros escala cinza e sistema CIELAB E*. Os resultados obtidos mostraram que a utilização da quitosana e da carboximetilcelulose como pós-tratamento melhoraram o desempenho da solidez da cor a lavagem em 64% quando avaliada por CIELAB E* e 68% respectivamente quando avaliada por escala cinza. As amostras com aplicação de quitosana e carboximetilcelulose como pré-tratamentos apresentaram valores menores de solidez, quando comparadas às amostras pós-tratadas
The use of chitosan as binder has become relevant due to its chemical structure which is responsible for its biodegradable and antibacterial good. The present study is aimed to the use of chitosan to aid in the fixation of pigmented dyes used in digital printing. A carboxymethylcellulose was also tested. The chitosan was dissolved in 2% (v / v) acetic acid at the concentrations of 5, 10, 15 and 22.2 g / L, while a carboxymethylcellulose was dissolved in water at 14.28 g / L. applied as pre and post treatments in cotton mesh by two different processes, Foulard and silk-screen. The presence of polymers impregnated in the cotton fibers was evaluated by Scanning Electron Microscopy (SEM). The treated and untreated mesh samples were washed 54 times simulating the use of a T-shirt for one year and evaluated in spectrophotometer for color fastness to wash, using the CIELAB E * system. The results showed that the use of chitosan and carboxymethylcellulose as a post-treatment improved the color wash performance in 64% when evaluated by CIELAB E * and 68% when evaluated by gray scale. The samples with application of chitosan and carboxymethylcellulose as pre-treatments presented lower values of color fastness, when compared to the post-treated samples
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Salvi, Paulo Sergio. "A influência dos detergentes em pó comercial na solidez da cor à lavagem doméstica dos substratos têxteis." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/100/100133/tde-19012018-165818/.

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A presente pesquisa consiste em analisar a solidez da cor dos substratos têxteis à lavagem, perante a utilização de detergentes em pó comerciais, e comparar com a utilização do detergente pó padrão previsto na norma ABNT NBR ISO 105-C06: Têxteis Ensaios de solidez da cor parte C06: Solidez da cor à lavagem doméstica e comercial. Para que as variáveis do substrato têxtil: a) composição; b) preparação para o tingimento; c) processo de tingimento; d) intensidade da cor; e) classe de corante. E as do processo de lavagem: temperaturas não comprometessem a conclusão da pesquisa, contemplou-se o controle de todas elas, de forma que, a única variável foi o tipo de detergente em pó utilizado, para tanto, levou-se em consideração: a) utilizado substratos 100% algodão, 100% poliéster, 100% poliamida e 100% acrílico; b) preparação para garantir a homogeneidade das amostras; c) substratos tintos em cores claras, médias e escuras; d) utilizadas classes de corantes que possuem boa solidez à lavagem; e) lavagem a 40ºC e a 60ºC. Foi utilizado um ambiente integrado contemplando equipamentos de laboratório para preparação, tingimento das amostras e para os ensaios de solidez da cor à lavagem, segundo a norma técnica específica. Os corpos de prova, após o processo de lavagem, foram submetidos à avaliação da alteração da cor, de acordo com a norma ABNT NBR ISO 105-A05: Têxteis Ensaios de solidez da cor parte A05: Avaliação instrumental da alteração da cor para classificação na escala cinza. Os resultados dos ensaios apontaram que somente os substratos 100% algodão e 100% poliamida, cor clara, lavados com detergentes comerciais apresentam resultados divergentes dos lavados com detergente padrão. Já os demais substratos não apresentaram alterações significativas quando comparados aos resultados obtidos na lavagem com o detergente padrão, o que aponta que o tipo de detergente utilizado no ensaio não influencia no resultado
The present research consists in analyzing the fastness of colors in textile substrates to washing, in relation to the use of commercial powder detergents, and compare it with the use of the standard detergent powder according to ABNT NBR ISO 105-C06: Textiles - color fastness of C06: Color fastness to domestic and commercial washing. So that the variables of the textile substrate: a) composition; b) preparation for dyeing; c) dyeing process; d) color intensity; e) dye class. And the of washing process: temperature, did not compromise the conclusion of the research, it was contemplated the control of them all, so that the only variable was the type of detergent powder used, for that, it was taken into consideration: a) used 100% cotton, 100% polyester, 100% polyamide and 100% acrylic substrates, because they are the most consumed fibers in Brazil; b) preparation to guarantee the homogeneity of the samples; c) red substrates in light, medium and dark colors; d) classes of dyes, which have good wash fastness, were used; e) washing at 40 ° C and at 60 ° C. An integrated environment was used, contemplating laboratory equipment for preparation, dyeing of the samples and the tests of color fastness to the wash, according to the specific technical standard. After the washing process, the specimens were submitted to the color change evaluation according to ABNT NBR ISO 105-A05: Textiles - Color fastness tests part A05: Instrumental evaluation of the color changing for Classification on the gray scale. The results of the tests indicated that only the 100% cotton and 100% polyamide substrates light colored washed with commercial detergents showed divergent results from the standard detergent washings. However, on the other substrates, did not present significant alterations when compared to the substrates obtained in washing with standard detergent, which indicates that the type of Detergent used in the test does not influence the result
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Motamedian, Farid. "La répartition du colorant dans les fils en nylon, les effets sur le rendement de couleur et les différents types de solidité et sur la réflectance du tissu calculée à partir d'un modèle optique = Dye distribution in nylon filament yarns : the effect on the dyeing color yield and fastness properties and on the fabric reflectance calculated using an optical model." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0020/NQ57008.pdf.

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Books on the topic "Colour fastness"

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Institution, British Standards. Textiles: Tests for colour fastness. : colour fastness to carbonizing: aluminium chloride. London: BSI, 1996.

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Standardization, International Organization for. Textiles - Tests for colour fastness. Geneva: ISO, 1993.

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Institution, British Standards. Textiles: Tests for colour fastness. London: British Standards Institution, 1993.

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Standardization, International Organization for. Textiles - Tests for colour fastness. Geneva: ISO, 1993.

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Standardization, International Organization for. Textiles - Tests for colour fastness. Geneva: ISO, 1993.

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Standardization, International Organization for. Textiles - Tests for colour fastness. Geneva: ISO, 1993.

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Institution, British Standards. Textiles: Tests for colour fastness. London: British Standards Institution, 1993.

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Institution, British Standards. Textiles: Tests for colour fastness. London: BritishStandards Institution, 1993.

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Standardization, International Organization for. Textiles - Tests for colour fastness. Geneva: ISO, 1993.

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Standardization, International Organization for. Textiles - Tests for colour fastness. Geneva: ISO, 1993.

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Book chapters on the topic "Colour fastness"

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Gordon, Paul Francis, and Peter Gregory. "Application and Fastness Properties of Dyes." In Organic Chemistry in Colour, 262–304. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-82959-8_6.

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Bide, Martin. "Coloration, Fastness." In Encyclopedia of Color Science and Technology, 474–82. New York, NY: Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4419-8071-7_152.

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Bide, Martin. "Coloration, Fastness." In Encyclopedia of Color Science and Technology, 1–10. New York, NY: Springer New York, 2013. http://dx.doi.org/10.1007/978-3-642-27851-8_152-2.

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Bide, Martin. "Coloration, Fastness." In Encyclopedia of Color Science and Technology, 1–10. Berlin, Heidelberg: Springer Berlin Heidelberg, 2021. http://dx.doi.org/10.1007/978-3-642-27851-8_152-3.

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Wan Yusoff, W. F., S. A. Syed Mohamad, and W. Y. Wan Ahmad. "Fastness Properties and Color Analysis of Natural Colorants from Actinomycetes Isolates on Silk Fabric." In Proceedings of the International Colloquium in Textile Engineering, Fashion, Apparel and Design 2014 (ICTEFAD 2014), 113–18. Singapore: Springer Singapore, 2014. http://dx.doi.org/10.1007/978-981-287-011-7_20.

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Valldeperas-Morell, J., and F. Carrillo-Navarrete. "Colour fastness." In Understanding and Improving the Durability of Textiles, 82–103. Elsevier, 2012. http://dx.doi.org/10.1533/9780857097644.1.82.

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"Colour fastness testing." In Physical Testing of Textiles. CRC Press, 1999. http://dx.doi.org/10.1201/9781439822753.ch9.

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Saville, B. P. "Colour fastness testing." In Physical Testing of Textiles, 244–55. Elsevier, 1999. http://dx.doi.org/10.1533/9781845690151.244.

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Bide, M. "Colour measurement and fastness assessment." In Colour Measurement, 196–217. Elsevier, 2010. http://dx.doi.org/10.1533/9780857090195.1.196.

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"Finishes to improve colour fastness." In Chemical Finishing of Textiles. CRC Press, 2004. http://dx.doi.org/10.1201/9781439823477.ch13.

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Conference papers on the topic "Colour fastness"

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Griyanitasari, Gresy, Emiliana Kasmudjiastuti, Ragil Yuliatmo, and Mohammad Zainal Abidin. "Evaluation of combination tanning and natural finishing on sheep leather with Uncaria Gambir Roxb extract." In The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.ii.11.

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The discovery of natural local resources for tanning and coloring agents are growing dramatically to sustain a cleaner leather manufacturing technology. Gambir (Uncaria gambir Roxb) has been found potential as tannin and dyestuffs for leather and textile industry. Therefore, to explore these issues, a combination tanning and finishing system were evaluated to observe the efficiency of this extract on leather processing. A combination tanning system based on chrome or glutaraldehyde – gambir and followed by gambir as coloring agent with different concentrations (100 - 200 parts/L) have been applied. In this FTIR (Fourier-transform infrared spectroscopy) analysis of gambir extract showed the presence of phenolic hydroxyl group. Our results revealed that chrome - gambir and glutaraldehyde - gambir finished leather product with 150 parts/L of gambir extract showed excellent rub fastness, color fastness to perspiration and washing. Most of the result values obtained were generally at satisfactory levels which were between 3/4 and 5 fastness values. Visual evaluation reported that chrome-gambir finished leather product with 150 parts/L of gambir extract exhibited better uniformity of colour fastness.
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Aileni, Raluca Maria, Laura Chiriac, and Razvan Ion Radulescu. "Fostering advanced textile centers through e-learning in Morocco and Jordan." In The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.vi.1.

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This paper presents some aspects of the need for training and EU best practices and success stories replication to target countries (Morocco and Jordan) in order to establish or upgrade the advanced textile centers. Overall, the proposed teaching and e-learning methods and the aspects of the need for training and EU best practices implementation and success stories replication to target countries (Morocco and Jordan) in order to establish or upgrade the advanced textile centers are essential for higher education organizations involved. In the framework of the FOSTEX Erasmus+ project were identified the best practices across Europe with high potential for being transferrable to the partner countries (Morocco and Jordan) including aspects concerning learning, teaching (courses), dissemination, quality testing, international standardization, equipment, and research projects. We can conclude that the interest of the partners is focused on polymers, protective clothing tests, colour management, product certification, international accreditation, environmental impact (Reach Legislation), colour fastness, washing fastness, and physico-mechanical investigation.
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Lin, Lina, Md Ziaur Rahman, Shu Wen, Rahul Navik, Ping Zhang, and Yingjie Cai. "Improvement of Colour Fastness for Deep Blue Shade of Cotton Fabric." In 2016 4th International Conference on Machinery, Materials and Computing Technology. Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/icmmct-16.2016.304.

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Mima, Tomoko, and Masako Sato. "Relation between blocking property against UV-rays by dyed fabric and its color fastness to light." In 9th Congress of the International Color Association, edited by Robert Chung and Allan Rodrigues. SPIE, 2002. http://dx.doi.org/10.1117/12.464566.

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Zehra, Zeenat, and Muhammad Nauman Bashir. "Color Fastness Grading System for Textile Industry Using CIEL*a*b Color Space." In 2019 4th MEC International Conference on Big Data and Smart City (ICBDSC). IEEE, 2019. http://dx.doi.org/10.1109/icbdsc.2019.8645600.

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Lin, Lina, Md Ziaur Rahman, Shu Wen, Md Nahid Pervez, Jin Li, and Yingjie Cai. "Improvement of Color Fastness for Deep Black Shade of Cotton Fabric." In 2016 4th International Conference on Machinery, Materials and Computing Technology. Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/icmmct-16.2016.299.

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Yuan, Zhilei, Yawen Zhang, and Jiashi Cai. "Research on the applicability of instrument rating test for textile color fastness." In 2016 4th International Conference on Sensors, Mechatronics and Automation (ICSMA 2016). Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/icsma-16.2016.5.

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Darmawati, Entin, Sudarmadji Sudarmadji, and Umar Santoso. "The Application of Affal Parchment Leather as Souvenir Materials Using Secang Bark Dye Color Fastness." In International Conference on Technology, Innovation and Society. ITP Press, 2016. http://dx.doi.org/10.21063/ictis.2016.1015.

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Bacardit, Anna, Silvia Sorolla, Concepcio Casas, Lluis Olle, and Mireia Conde. "Synthesis of polyurethanes with low volatile organic compounds content for upholstery and automotive articles." In The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.iii.1.

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The manufacture of upholstery and automotive articles is linked to the release of Volatile Organic Compounds (hereinafter VOCs) during their manufacture, which have short and long-term effects on the health of users and the environment. In the leather sector, around 40 kg of VOCs are generated per 1000 kg of raw skin. This research work has focused on the synthesis of new and more sustainable urethane-based polymers that, in turn, allow the quality requirements of the finish to be met, which vary depending on the leather article manufactured. The main objective of the study is to minimize the content of VOCs in the different aliphatic polyurethanes synthesized in a pilot-scale reactor, making small modifications to the synthesis formulations. The synthesis route developed is based on the preparation of polymers of ionomeric polyurethanes and their subsequent dispersion in water. In the synthesis processes developed, the content of coalescing solvents and neutralizing agents, which directly contribute to the concentration of VOCs of the urethane polymers, is eliminated and / or minimized as much as possible. The new urethane-based polymers obtained have been analyzed according to the parameters of pH, viscosity, density and percentage of solids in the resin. Likewise, organoleptic tests (color, transparency, hardness, touch and tacking) and physical tests (tensile strength, water absorption, hardness and color change at 100°C for 24 hours) have been carried out on the film corresponding to each synthesized polyurethane resin. These products will be introduced in finishing formulations designed to obtain high-performance upholstery and automotive leather with minimal impact in terms of VOC content at the pilot level. Tests of fastness and physical resistance have been carried out to evaluate the performance of these leathers.
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