Published in: فصلنامه انرژی و محیط زیست ایران، دوره: 2، شماره: 1
COI code: JR_IJEE-2-1_011
Paper Language: English
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Authors Physical Impacts of Compaction Treatments on PET Textile Vascular ProsthesesMeriem Azaiez - Textile Research Unit, Technology High School of Ksar Hellal, Tunisia Corresponding Author
Ikram Zbali - Textile Research Unit, Technology High School of Ksar Hellal, Tunisia
Saber Ben Abdessalem - Textile Research Unit, Technology High School of Ksar Hellal, Tunisia
Abstract:Textile cardiovascular prostheses are woven or knitted structures made generally from biocompatible polyester fibres. After production, they have to undergo special treatments before packaging such ascompaction. This treatment is necessary to reduce porosity especially for knitted structures, but it can modifypoly(ethylene terephthalate) (PET) polymer’s properties. We have studied the effect of chemical and thermal compaction process parameters on physical properties of PET with DSC and XRD techniques. The obtained results show changes of glass transition temperature according to compaction parameters. A multiple meltingpeaks thermograms were observed for untreated and most compacted samples indicating differences betweencrystallites sizes. The compaction treatment involves an increase of PET crystallites size because of molecularbonds rearrangement among the polymeric chains. With DRX, we have showed crystallites size increases for compacted samples when compared with untreated samples. This increase is particularly important in perpendicular direction to (010) crystallographic plane.
Keywords:Polyethylene terephthalate % Glass transition temperature % Woven fibres % Thermograms %Thermal compaction
COI code: JR_IJEE-2-1_011
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Azaiez, Meriem; Ikram Zbali & Saber Ben Abdessalem, 2010, Physical Impacts of Compaction Treatments on PET Textile Vascular Prostheses, Iranica Journal of Energy and Environment (IJEE) 2 (1), https://www.civilica.com/Paper-JR_IJEE-JR_IJEE-2-1_011.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Azaiez, Meriem; Ikram Zbali & Saber Ben Abdessalem, 2010)
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