نتایج جستجو برای: fastness
تعداد نتایج: 565 فیلتر نتایج به سال:
There are several articles in the literature dealing with the subject of autolysis of the tubercle bacillus. AMcJunkin (1923) dehydrated living tubercle bacilli in 95 per cent ethyl alcohol for two minutes, suspended the microorganisms in oleic acid which contained a few drops of water, and incubated the mixture at 37°C. After several days, only a limited number of bacilli retained their acid-f...
The aim of this research is to develop new mordants and a wide range of colors for natural dyeing of silk. In this study, two new erbium(ΙΙΙ) complexes, [Er(AO)(H2O)7](OAc)3 and [Er(AMH)(H2O)6](OAc)3 (AO = acridine orange, AMH = azomethine-H, and OAc = acetate anion), were synthesized, characterized and used as a mordant for the natural dyeing of silk yarns with an aqueous extract of green waln...
The influence of urea as an additive in dyeing of wool with madder was evaluated in this work. A different concentration of urea was applied on wool yarns before, during and after dyeing of samples. The treated samples were tested for dye absorption at different time, wicking, sinking, wash and light fastness and surface morphology by scanning electronic microscope. The results show that urea i...
In this study, we analyzed the impact of dyeing and digital printing processes linen/silk fabric (70% linen/30% silk) on its color fastness shrinkage in directions warp weft. This is a highly relevant topic because single combines two natural fibers different origins—silk, protein, animal-based, whereas linen derived from cellulose is, thus, plant-based. Therefore, natures determine distinctive...
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