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TitleDyeing of PA6.6 fibers - Effect of solvent and temperature on thermal properties
Author(s)Domingues, Maria do Sameiro Queirós
Gomes, Jaime Rocha
Martins, J. A.
Keywordsbenzyl alcohol
low temperature
Issue date2003
PublisherAkadémiai Kiadó
JournalJournal of thermal analysis and calorimetry
Citation"Journal of thermal analysis and calorimetry". ISSN 1388-6150. 74:3 (Dec. 2003) 749-759.
Abstract(s)Dyeing fibers at low temperatures has many advantages such as savings in energy and avoiding alterations to the physical properties of the fibers being dyed or other fibers also present in blends, The problem of low temperature dyeing in synthetic fibers is that it difficults the dye diffusion into the fiber. In the case of polyamide 6.6 microfibers, by using benzyl alcohol as an auxiliary dyeing, it was shown that good diffusion was obtained for the dye exhaustion with metal complex dyes at temperatures more than 30°C below the normal dyeing temperature for the dye exhaustion with metal complex dyes. Using thermal analysis methods these results were shown to be caused by the lowering of the T g of the fiber when in the presence of benzyl alcohol.
AccessOpen access
Appears in Collections:DET/2C2T - Artigos em revistas internacionais com arbitragem científica

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