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389 Aktuelle Fachpublikationen in Coloration Technology

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Use of β‐cyclodextrin in the dyeing of polyester with low environmental impact

01.08.2010 | Carpignano, Rosarina; Parlati, Stefania; Piccinini, Paola; Savarino, Piero; De Giorgi, Maria Rita; Fochi, Rita, Coloration Technology, 2010

In this paper, the effect of [beta]-cyclodextrin as an additive in the dyeing of polyester with disperse dyes, as a substitute for a commercial surfactant commonly used, was explored with the aim of reducing the environmental impact of the exhausted baths. Using a chemometric approach, a small ...

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Therapeutic applications of near‐infrared dyes

01.06.2010 | Wainwright, Mark, Coloration Technology, 2010

The interaction of dyes with cells and tissue is well understood, and the use of light-activated compounds in therapy is becoming more established. However, the application of near-infrared light in these areas, particularly from a therapeutic angle, has received little attention. With greatly ...

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Substituent effects on the photofading of disperse azo dyes on poly(ethylene terephthalate) substrate

01.06.2010 | Okada, Yasuyo; Hihara, Toshio; Hirose, Mie; Morita, Zenzo, Coloration Technology, 2010

The relationships between the chemical structures and oxidative fading of the disperse azo dyes, p-nitrophenylazo- and benzothiazoleazo-anilines, on poly(ethylene terephthalate) substrate are discussed in terms of the parameters k0,i (rate constants of reaction towards 1O2) and fi ...

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Textile applications of photochromic dyes. Part 2: factors affecting the photocoloration of textiles screen‐printed with commercial photochromic dyes

01.06.2010 | Little, Anna F; Christie, Robert M, Coloration Technology, 2010

The performance of five commercial photochromic dyes applied by screen printing on textiles was evaluated using a colour measurement methodology which has previously been established and validated. Printing as disperse dyes on polyester gives the strongest photochromic effect when the dye is ...

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Application of sodium benzoyl thiosulphate from aqueous solution to wool and its effect on substantivity of disperse dyes. Part 2: modification of wool with sodium benzoyl thiosulphate

01.06.2010 | Liu, Haiyang; Lewis, David M, Coloration Technology, 2010

Sodium benzoyl thiosulphate was applied to wool fabric from aqueous solutions in order to covalently bind benzoyl groups to the fibre and thus impart disperse dye substantivity to the modified wool. The modified wool fabric was dyed with a selected model disperse dye, CI Disperse Blue 56, and the ...

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Limitations in predicting dyebath exhaustion using optical spectroscopy

01.06.2010 | Günay, Melih; Jasper, Warren J, Coloration Technology, 2010

There are practical limitations in predicting dyebath concentrations and dyebath exhaustion using absorbance measurements from optical spectroscopy. The purpose of this paper is to examine the common assumptions of prediction models that cause prediction errors, and especially when multiple dye ...

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Effect of the addition of a modifier in the supercritical dyeing of polyester

01.06.2010 | Banchero, Mauro; Manna, Luigi; Ferri, Ada, Coloration Technology, 2010

The aim of the work was to investigate the effect of an ethanol addition in the dyeing of a commercial polyethylene terephthalate yarn with supercritical carbon dioxide. The equilibrium uptake in the yarn and the partition coefficients of three azo dyes between the polymer and the fluid phases ...

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Textile applications of photochromic dyes. Part 1: establishment of a methodology for evaluation of photochromic textiles using traditional colour measurement instrumentation

01.06.2010 | Little, Anna F; Christie, Robert M, Coloration Technology, 2010

Commercial photochromic dyes change rapidly and reversibly from colourless to coloured when activated by ultraviolet irradiation. This paper contributes towards the growing interest in the development of chromic textiles for creative design, functional or smart purposes. The optimisation of a ...

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Application of sodium benzoyl thiosulphate from aqueous solution to wool and its effect on substantivity of disperse dyes. Part 1: synthesis and characterisation of sodium benzoyl thiosulphate

01.06.2010 | Liu, Haiyang; Lewis, David M, Coloration Technology, 2010

The introduction of bulky aryl residues into wool fibres not only enhances their disperse dyeability but also improves their settability, shrink resistance and imparts easy-care properties. It would be highly desirable for colourists to achieve such effects when dyeing or printing wool from an ...

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