The Experts below are selected from a list of 231 Experts worldwide ranked by ideXlab platform
Martin W King - One of the best experts on this subject based on the ideXlab platform.
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Natural Dye extracted from Chinese gall – the application of color and antibacterial activity to wool fabric
Journal of Cleaner Production, 2014Co-Authors: Bin Zhang, Lu Wang, Martin W KingAbstract:Abstract A natural Dye has been extracted from Chinese gall and its Dyeability of wool fabric has been studied together with its colorfastness and antibacterial performance. A fractional factorial experimental design using Taguchi's orthogonal array was undertaken to determine the optimum extraction conditions of a 90 °C temperature, a 1:30 Liquor ratio and two extraction cycles each 60 min long. The extracted Dye Liquor was then used in a second orthogonal design of experiment to determine the optimum pre-mordant Dyeing conditions on wool fabric. Under these conditions of 200% Dye Liquor concentration, 2.5% mordant concentration, pH 8 and 98 °C, the colorfastness of the optimum Dyed fabric to washing, crocking and perspiration were found to be all acceptable with at least a Grey Scale rating of 3. Antibacterial activity of this Dyed wool was confirmed by exposing the fabric to Staphylococcus aureus and Escherichia coli. The fabric Dyed with Chinese gall extract reduced the number of viable organisms by 99.90% and 96.55% respectively. The market evaluation and cost of Chinese gall have been analyzed. The economic benefit for Chinese gall was acceptable and can be used in Dyeing and antibacterial finishing of textile materials.
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Natural Dye extracted from Chinese gall - The application of color and antibacterial activity to wool fabric
Journal of Cleaner Production, 2014Co-Authors: Bin Zhang, Liangfei Luo, Lu Wang, Martin W KingAbstract:A natural Dye has been extracted from Chinese gall and its Dyeability of wool fabric has been studied together with its colorfastness and antibacterial performance. A fractional factorial experimental design using Taguchi's orthogonal array was undertaken to determine the optimum extraction conditions of a 90 °C temperature, a 1:30 Liquor ratio and two extraction cycles each 60 min long. The extracted Dye Liquor was then used in a second orthogonal design of experiment to determine the optimum pre-mordant Dyeing conditions on wool fabric. Under these conditions of 200% Dye Liquor concentration, 2.5% mordant concentration, pH 8 and 98 °C, the colorfastness of the optimum Dyed fabric to washing, crocking and perspiration were found to be all acceptable with at least a Grey Scale rating of 3. Antibacterial activity of this Dyed wool was confirmed by exposing the fabric to Staphylococcus aureus and Escherichia coli. The fabric Dyed with Chinese gall extract reduced the number of viable organisms by 99.90% and 96.55% respectively. The market evaluation and cost of Chinese gall have been analyzed. The economic benefit for Chinese gall was acceptable and can be used in Dyeing and antibacterial finishing of textile materials. © 2014 Elsevier Ltd. All rights reserved.
Bin Zhang - One of the best experts on this subject based on the ideXlab platform.
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Natural Dye extracted from Chinese gall – the application of color and antibacterial activity to wool fabric
Journal of Cleaner Production, 2014Co-Authors: Bin Zhang, Lu Wang, Martin W KingAbstract:Abstract A natural Dye has been extracted from Chinese gall and its Dyeability of wool fabric has been studied together with its colorfastness and antibacterial performance. A fractional factorial experimental design using Taguchi's orthogonal array was undertaken to determine the optimum extraction conditions of a 90 °C temperature, a 1:30 Liquor ratio and two extraction cycles each 60 min long. The extracted Dye Liquor was then used in a second orthogonal design of experiment to determine the optimum pre-mordant Dyeing conditions on wool fabric. Under these conditions of 200% Dye Liquor concentration, 2.5% mordant concentration, pH 8 and 98 °C, the colorfastness of the optimum Dyed fabric to washing, crocking and perspiration were found to be all acceptable with at least a Grey Scale rating of 3. Antibacterial activity of this Dyed wool was confirmed by exposing the fabric to Staphylococcus aureus and Escherichia coli. The fabric Dyed with Chinese gall extract reduced the number of viable organisms by 99.90% and 96.55% respectively. The market evaluation and cost of Chinese gall have been analyzed. The economic benefit for Chinese gall was acceptable and can be used in Dyeing and antibacterial finishing of textile materials.
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Natural Dye extracted from Chinese gall - The application of color and antibacterial activity to wool fabric
Journal of Cleaner Production, 2014Co-Authors: Bin Zhang, Liangfei Luo, Lu Wang, Martin W KingAbstract:A natural Dye has been extracted from Chinese gall and its Dyeability of wool fabric has been studied together with its colorfastness and antibacterial performance. A fractional factorial experimental design using Taguchi's orthogonal array was undertaken to determine the optimum extraction conditions of a 90 °C temperature, a 1:30 Liquor ratio and two extraction cycles each 60 min long. The extracted Dye Liquor was then used in a second orthogonal design of experiment to determine the optimum pre-mordant Dyeing conditions on wool fabric. Under these conditions of 200% Dye Liquor concentration, 2.5% mordant concentration, pH 8 and 98 °C, the colorfastness of the optimum Dyed fabric to washing, crocking and perspiration were found to be all acceptable with at least a Grey Scale rating of 3. Antibacterial activity of this Dyed wool was confirmed by exposing the fabric to Staphylococcus aureus and Escherichia coli. The fabric Dyed with Chinese gall extract reduced the number of viable organisms by 99.90% and 96.55% respectively. The market evaluation and cost of Chinese gall have been analyzed. The economic benefit for Chinese gall was acceptable and can be used in Dyeing and antibacterial finishing of textile materials. © 2014 Elsevier Ltd. All rights reserved.
P. J. Brown - One of the best experts on this subject based on the ideXlab platform.
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In-line colour monitoring of transparent liquids using a colour cell
Surface Coatings International Part B-coatings Transactions, 2002Co-Authors: M. Sultan, J. H. Nobbs, P. J. BrownAbstract:The use of a colorimeter to monitor coloured transparent liquids during Dyeing processes, on a pilot-scale package Dyeing machine, was investigated using three different coloured basic Dyes; blue, red and yellow. The colorimeter is mounted on an optical cell on a Dye Liquor transport pipe. The optical cell allows monitoring of colour concentrations during processing and feeds back information to match prediction software that controls the Dyeing machine. The optical cell allows accurate determination of Dye concentrations over a large range due to its unique multiple path length design. Furthermore, no external sampling of the Dye-bath Liquor is required. Developments in monitoring, predicting and controlling the pilot-scale machine will be discussed.
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In-line colour monitoring of transparent liquids using a colour cell
Surface Coatings International Part B: Coatings Transactions, 2002Co-Authors: M. Sultan, J. H. Nobbs, P. J. BrownAbstract:The use of a colorimeter to monitor coloured transparent liquids during Dyeing processes, on a pilot-scale package Dyeing machine, was investigated using three different coloured basic Dyes; blue, red and yellow. The colorimeter is mounted on an optical cell on a Dye Liquor transport pipe. The optical cell allows monitoring of colour concentrations during processing and feeds back information to match prediction software that controls the Dyeing machine. The optical cell allows accurate determination of Dye concentrations over a large range due to its unique multiple path length design. Furthermore, no external sampling of the Dye-bath Liquor is required. Developments in monitoring, predicting and controlling the pilot-scale machine will be discussed. Es wurde mittels drei basische Farbstoffe; blau, rot, und gelb, der Gebrauch eines Farbmeß geräts zur Überwachung durch eine Versuchseinfarbungsanlage während des Einfarbungsverfahren untersucht. Das Farbmeßgerät wird auf einer optische Zelle zu einer Farbstoffsflüssigkeitsbeför rdenleitung montiert. Die optische Zelle erlaubt die Überwachung der Farbstoffeskonzentrationen während der Verarbeitung und liefert Informationen rück der Nuancierenvoraussagessoftware, die die Einfarbungsmachine kontroliert. Seines eigenartig Mehrfachschichtsdessin erlaubt die optische Zelle sorgfältige Bestimmung, über eine breite Reihe von Farbstoffeskonzentrationen. Außerdem, es braucht keines Nehmen von Proben der Farbbadsflüssigkeit. Es wird Entwicklungen bei der Überwachung, Voraussagen und Kontrollieren der Versuchsanlage diskutiert. On a investigué au moyen de trois colorants basiques; bleu, rouge et jaune, l’emploi d’un colorimètre pour surveiller à l’aide d’une machine-pilote pour la teinturie la couleur des liquides transparentes lors du procédé de teinture. Le colorimètre est monté à un cuvette optique sur le tuyau de transport de colorant en solution. La cuvette optique permet la surveillance des concentrations de couleur lors du procédé de teinture et transmet l’information au logiciel qui contrôle la machine de teinture, afin de prédire le contretypage. La cuvette optique permet la précise détermination, sur une gamme large de concentration, la concentration de teinture à cause de son dessin unique comprennant des longueurs de chemin multiples. En outre, il n’est pas nécessaire de prendre des échantillons de la liquide colorée à partir du bain de teinture. Développements dans les domaines de surveillance, prédiction et du contrôle de la machine-pilote seront discutés.
Renzo Shamey - One of the best experts on this subject based on the ideXlab platform.
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Theoretical study of the influence of dispersion factor on Dye transport during the Dyeing process
Coloration Technology, 2006Co-Authors: Xiaoming Zhao, R. H. Wardman, Renzo ShameyAbstract:During Dyeing, dispersive flow is assumed to reduce the concentration gradient of Dye Liquor flowing through a yarn package, resulting in a more even distribution of Dye in the Liquor within the package. However, little is known about the degree of significance of dispersive transport, as a proportion of the total transport of Dye. This study investigates the influence of dispersion on Dye transport during Dyeing, based on a finite element method approach utilised in a mathematical model. The model has been applied to establish the influence of several parameters during the course of the Dyeing process. This study theoretically discusses the role of dispersion on the rate of Dyeing and the uniformity of Dye distribution.
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Theoretical study of the influence of dispersion factor on Dye transport during the Dyeing process
Coloration Technology, 2006Co-Authors: Xujing Zhao, R. H. Wardman, Renzo ShameyAbstract:During Dyeing, dispersive flow is assumed to reduce the concentration gradient of Dye Liquor flowing through a yarn package, resulting in a more even distribution of Dye in the Liquor within the package. However, little is known about the degree of significance of dispersive transport, as a proportion of the total transport of Dye. This study investigates the influence of dispersion on Dye transport during Dyeing, based on a finite element method approach utilised in a mathematical model. The model has been applied to establish the influence of several parameters during the course of the Dyeing process. This study theoretically discusses the role of dispersion on the rate of Dyeing and the uniformity of Dye distribution. © 2006 The Authors. Journal compilation © 2006 Society of Dyers and Colourists.
Lu Wang - One of the best experts on this subject based on the ideXlab platform.
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Natural Dye extracted from Chinese gall – the application of color and antibacterial activity to wool fabric
Journal of Cleaner Production, 2014Co-Authors: Bin Zhang, Lu Wang, Martin W KingAbstract:Abstract A natural Dye has been extracted from Chinese gall and its Dyeability of wool fabric has been studied together with its colorfastness and antibacterial performance. A fractional factorial experimental design using Taguchi's orthogonal array was undertaken to determine the optimum extraction conditions of a 90 °C temperature, a 1:30 Liquor ratio and two extraction cycles each 60 min long. The extracted Dye Liquor was then used in a second orthogonal design of experiment to determine the optimum pre-mordant Dyeing conditions on wool fabric. Under these conditions of 200% Dye Liquor concentration, 2.5% mordant concentration, pH 8 and 98 °C, the colorfastness of the optimum Dyed fabric to washing, crocking and perspiration were found to be all acceptable with at least a Grey Scale rating of 3. Antibacterial activity of this Dyed wool was confirmed by exposing the fabric to Staphylococcus aureus and Escherichia coli. The fabric Dyed with Chinese gall extract reduced the number of viable organisms by 99.90% and 96.55% respectively. The market evaluation and cost of Chinese gall have been analyzed. The economic benefit for Chinese gall was acceptable and can be used in Dyeing and antibacterial finishing of textile materials.
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Natural Dye extracted from Chinese gall - The application of color and antibacterial activity to wool fabric
Journal of Cleaner Production, 2014Co-Authors: Bin Zhang, Liangfei Luo, Lu Wang, Martin W KingAbstract:A natural Dye has been extracted from Chinese gall and its Dyeability of wool fabric has been studied together with its colorfastness and antibacterial performance. A fractional factorial experimental design using Taguchi's orthogonal array was undertaken to determine the optimum extraction conditions of a 90 °C temperature, a 1:30 Liquor ratio and two extraction cycles each 60 min long. The extracted Dye Liquor was then used in a second orthogonal design of experiment to determine the optimum pre-mordant Dyeing conditions on wool fabric. Under these conditions of 200% Dye Liquor concentration, 2.5% mordant concentration, pH 8 and 98 °C, the colorfastness of the optimum Dyed fabric to washing, crocking and perspiration were found to be all acceptable with at least a Grey Scale rating of 3. Antibacterial activity of this Dyed wool was confirmed by exposing the fabric to Staphylococcus aureus and Escherichia coli. The fabric Dyed with Chinese gall extract reduced the number of viable organisms by 99.90% and 96.55% respectively. The market evaluation and cost of Chinese gall have been analyzed. The economic benefit for Chinese gall was acceptable and can be used in Dyeing and antibacterial finishing of textile materials. © 2014 Elsevier Ltd. All rights reserved.
