Applied research thesis extracts from eucalyptus leaves to the application of natural fibers dyed fabrics like wool, silk. The extract was examined for alcohol solvent different. However different alcohol concentration would have different influences to the dyeing process. Through the evaluation method as efficient dyeing, color after dyeing fabrics, performance ... will choose the most suitable solvent to further examine the topic.After selecting the appropriate solvent with the criteria set out, essays continued weak survey which affect the extraction as solid liquid ratio, temperature, extraction time ... to develop appropriate procedures , finally, evaluate the effectiveness again through factors such as repeatability, ability to enhance the scale and ability to reuse the extract, the ability to create products and test concentrate antibacterial the fabric after dyeing.
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