897 resultados para Woolen and worsted manufacture.


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Unlike other fibres, wool felts readily when agitated in the presence of water. For this reason, only the minimum necessary quantity of water is used when the garments are drycleaned. However, wool fibres are often deliberately felted to obtain a warm bulky handle by controlled addition of water to the solvent. This process is known as solvent milling and recently, it has become a popular alternative to the traditional milling in water alone. Although the factors which influence milling in solvent are known, the relationships between them are not well defined. A comprehensive study of the relationship between water distribution and milling shrinkage during agitation of wool in perchloroethylene has been carried out in this thesis. The Karl Fischer method of determination was used throughout to establish the distribution of water between the wool fibre and the solvent liquor. The emphasis was placed on practical production variables. The role of surfactant in affecting milling shrinkage through its effect on the transport of water to the fibre from the solvent was examined. The ability of a suitable surfactant in promoting even and rapid sorption of water by the fibre was related to the colloidal properties of the milling liquor.

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Contains a brief history of Geelong. Discusses the development of the wool industry and its importance to the town. A chronological history of Geelong's four mills built 1860-1875. The importance of the textile industry as an employer, especially of women is covered.

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Includes index.

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Mode of access: Internet.

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Atmospheric pressure plasma with a relatively short exposure time was sufficient to modify the wool surface. The ageing studies showed the hydrophobic recovery of fibre surface took place at the early stages after plasma treatment. While plasma improved wool shrink-resistance, improvement in dyeability depends on the hydrophilic-hydrophobic nature of dyestuff.

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This thesis examined the application of data mining techniques to the issue of predicting pilling propensity of wool knitwear. Using real industrial data, a pilling propensity prediction tool with embedded trained support vector machines is developed to provide high accuracy prediction to wool knitwear even before the yarn is spun!

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Includes bibliographical references.

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Presented by Mr. La Follette. Ordered printed August 5, 1912.

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