New insights into solar UV-protective properties of natural dye

Feng, Xiang; Zhang, L.L.; Chen, J.Y.; Zhang, J.C.

doi:10.1016/j.jclepro.2005.11.003

Cited by 143 publications

(83 citation statements)

References 14 publications

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“…The distribution of transmittance spectra in Table 10 in the UV-B band (290-315 nm) and UV-A band (315-400 nm), moving from the lowest to the highest (wool<silk<cotton<nylon fabrics) as the range of UV-A and UV-B Transmittance values for wool is (0.02-0.11), for silk is (0.25-2.48), for cotton is (1.13-6.55) and for nylon is (5.54-9.63), seemed to be inversely correlated to fabric cover factor and UPF and independent of fabric type [46][47][48][49][50][51].…”

Section: Upf Properties Of Natural Colorantsmentioning

confidence: 91%

Effect of Mordant on UV Protection and Antimicrobial Activity of Cotton, Wool, Silk and Nylon Fabrics Dyed with Some Natural Dyes

Sm¹,

Hm²,

Hm³

et al. 2017

J Nanomed Nanotechnol

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In this study, eco-friendly natural coloring matter such as pomegranate, curcumin, cutch, red onion peel and a mixture of red onion peel/curcumin (40 g/L, 50%) are used. They are extracted in water at 80°C (red onion at boiling). Cotton, wool, silk and nylon fabrics are dyed using conventional method at pH 4 (except cotton at pH 8), liquor ratio 1:40 and 25 g/L dye concentration for a specific time in presence or absence of FeSO4 using simultaneous mordanting method. Colour strength (K/S) and colorimetric data (L*, a* and b*) are measured at specific λ max . Also, fastness properties (light, washing, rubbing) are determined. Also, ultraviolet protection and antibacterial activity of fabrics against micro-organisms strains of Staphylococcus aureus, Klebsiella Pneumoniae and Candida albicans are measured. Results of the dyed fabrics are highly UV protective and have effective antibacterial activity. All the above dyed fabrics are suggested to use in the medical cloths.

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Section: Upf Properties Of Natural Colorantsmentioning

confidence: 91%

Effect of Mordant on UV Protection and Antimicrobial Activity of Cotton, Wool, Silk and Nylon Fabrics Dyed with Some Natural Dyes

Sm¹,

Hm²,

Hm³

et al. 2017

J Nanomed Nanotechnol

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Section: Dyeing Methodsmentioning

confidence: 99%

“…It was then allowed to cool at room temperature and the wool samples were removed and squeezed. Mordanted wool should be used at once because some mordants are very sensitive to light [22].Post-mordanting method was used in case of dyeing wool yarns with dyes extracted from Cochineal, Turmeric and Madder using iron salt and tin salt. In this method the mordant was added to the bath for the final ten minutes of simmering.…”

mentioning

confidence: 99%

Impacts of Air Pollution on Colour Fading and Physical Properties of Wool Yarns Dyed with Some Natural Dyes in Residential Site

Hm¹,

AA²

2015

J Textile Sci Eng

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Experimental MaterialsNatural colouring matter: Colouring substance used in this work was extracted from Cochineal as an animal source, Turmeric and Madder plants as a planted source.Fabrics: Wool yarns were kindly supplied by El Mehalla spinning and weaving Company, Egypt. Mordents:The following mordants were used: alum salt, copper salt, tin salt and iron salt. They were of pure grade chemicals. MethodsExtraction of natural coloring matter: Cochineal dye (10 g/L) was immersed in water for 12 hours and then boiled for 15 minutes. Turmeric dye (powder form) was immersed in water with 15 g/L concentration for 12 hours and then boiled for 60 minutes. Madder dye (powder form) was immersed in water with 17 g/L concentration for 12 hours and then boiled for 60 minutes. At the end, the solution was filtered off and left to cool down [15][16][17][18]. Dyeing methodsDyeing of wool yarns using traditional method: Wool yarns samples (10 gm each) were dyed with the dye extracted from Cochineal, Turmeric and Madder at liquor ratio 1:50. Dyeing was carried out at pH (4-5). Yarns samples were entered to the dyeing solution in a water bath at 70°C for 15 minutes. Then yarns were dyed for one hour (in case of Cochineal dye) and for 30 minutes (in case of Turmeric and Madder) and the dyed samples were rinsed with cold water and washed for 30 minutes in a bath containing 3 g/L of non-ionic detergent at 45°C. Finally, the yarns were rinsed and air dried [19][20][21].Pre-mordanting of wool yarns: The pre-mordanting method was used in case of dyeing wool yarns with dyes extracted from Cochineal, Turmeric and Madder using alum salt, copper salt, and chromium salt. The mordant was dissolved and added to the bath with liquor ratio 1:50. Then wetted wool samples were added to the mordanting bath and the whole brought slowly to 90°C for one hour. It was then allowed to cool at room temperature and the wool samples were removed and squeezed. Mordanted wool should be used at once because some mordants are very sensitive to light [22].Post-mordanting method was used in case of dyeing wool yarns with dyes extracted from Cochineal, Turmeric and Madder using iron salt and tin salt. In this method the mordant was added to the bath for the final ten minutes of simmering. The fabrics were lifted out while the AbstractWool yarns are dyed with natural colouring matter extracted from Cochineal, Turmeric and Madder using exhaustion method. These dyed yarns are pre-mordanted with different types of mordants. Different measurements have been carried out for the dyed wool yarns after exposure to air pollution in residential site (Kalla region) for one year. These measurements values include colour data (K/S, L*, a*, b*, ΔE, hue and chroma) and physical properties (tensile strength, tenacity and elongisity). Also, the present work studied the air pollution in (Kalla region), through determination of the suspended and deposited particulate matter and sulpher dioxide concentrations for different periods of time in one year.

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“…Recently, natural compounds have been found to have UV-protective properties and when applied to textiles could protect human skin from hazardous solar ultraviolet radiation [55]. It seems that cleavage of hydrogen bonds in the molecules of the natural dyes contributes to their capacity to absorb UV radiation [55].…”

Section: New Approaches To Lichen and Fungal Natural Dyesmentioning

confidence: 99%

“…It seems that cleavage of hydrogen bonds in the molecules of the natural dyes contributes to their capacity to absorb UV radiation [55]. Also the antimicrobial activity of natural colorants brings new ideas to be considered when developing protective clothing or home textiles such as bedlinen, towels and carpets.…”

Section: New Approaches To Lichen and Fungal Natural Dyesmentioning

confidence: 99%

Dyes from Lichens and Mushrooms

Räisänen

2009

Handbook of Natural Colorants

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New insights into solar UV-protective properties of natural dye

Cited by 143 publications

References 14 publications

Effect of Mordant on UV Protection and Antimicrobial Activity of Cotton, Wool, Silk and Nylon Fabrics Dyed with Some Natural Dyes

Effect of Mordant on UV Protection and Antimicrobial Activity of Cotton, Wool, Silk and Nylon Fabrics Dyed with Some Natural Dyes

Impacts of Air Pollution on Colour Fading and Physical Properties of Wool Yarns Dyed with Some Natural Dyes in Residential Site

Dyes from Lichens and Mushrooms

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