Results 21 to 30 of about 246,830 (203)
Investigation of dyeing based on pandanus amaryllifolius for superhydrophobic coating in cotton-polyester blended in textile application [PDF]
Natural dyes are derived from natural resources. Colouring materials obtained from natural resources of plant, animal, mineral, and microbial origins were used for colouration of various textile materials.
Chew, Gin Yan +3 more
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Environmental effects of natural dyes and syntetic dyes: a comparison [PDF]
Dyes is important to add colorant on fabrics. The dyeing process makes a fabric colourful and attractive. However, the waste disposed by dyeing process was hazard to environment especially synthetic dyes.
Jalil, Anis Jazira +3 more
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In this study, a simple and indirect spectrophotometric method for the quantification of atenolol in pharmaceutical formulations, utilizing a natural food dye extracted from red beet root, is presented. The process involves the oxidation of atenolol in a 1 mol/LHCl acidic medium, using an excess of potassium persulfate.
Tara F. Tahir +2 more
openaire +3 more sources
Silk fabric samples were mordanted with alum [KAl(SO4)2.12H2O]. Then, the samples were dyed with cochineal (Dactylopius coccus Costa) and gall oak (Quercus infectoria Olivier) shellac extracts. Optimum dyeing parameters were determined by using different
Burcu Yılmaz Şahinbaşkan +2 more
doaj +1 more source
This is the first paper of a series of review articles reporting on natural dyes, their origin and infrared spectra (IR spectra). One aim of this review series is to compare IR spectra of natural dyes from different origin and discuss if this ...
Boris Mahltig
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Utilization dyeing process of coffea pigment as superhydrophobic coating on fabric application [PDF]
Synthetic pigments and dyes was frequently used for textile products in order to fulfill the customers demand because it is less expensive and high durability compared to natural pigments or dyes. Therefore, the contribution of synthetic dyes waste water
Mahmood, Salwa +3 more
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Using synthetic dyes causes bad impact on the environment. But using natural dyes has several problems such as fade, slight colour variations and takes longer time. In order to solve that problems, it is needed to develop instant natural dyes. This study
Ika Rinawati Dyah +3 more
doaj +1 more source
Extracting natural dyes from wool—an evaluation of extraction methods [PDF]
The efficiency of eight different procedures used for the extraction of natural dyes was evaluated using contemporary wool samples dyed with cochineal, madder, woad, weld, brazilwood and logwood.
Barrocas Dias, Cristina +3 more
core +1 more source
Preparation of Natural Plant Polyphenol Catechin Film for Structural Coloration of Silk Fabrics
Traditional textile dyeing uses chemical pigments and dyes, which consumes a large amount of water and causes serious environmental pollution. Structural color is an essential means of achieving green dyeing of textiles, and thin-film interference is one
Shuaikang Yang +8 more
doaj +1 more source
Indigofera tinctoria as one of natural blue dyes that has been since the 4th century inIndonesia. The use of natural dyes in decline with synthetic dyes.
MUZAYYINAH MUZAYYINAH
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