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TitleSynthesis of biodegradable copolymers
Author(s)Moura, I.
Machado, A. V.
Nogueira, R.
Legare, Véronique Bounor
KeywordsPolymer synthesis
Issue date2010
Abstract(s)This work aimed to prepare biodegradable copolymers based on ethylene vinyl acetate and polylactic acid using transesterification reactions. The materials were characterized by elemental analysis, infrared spectroscopy, rheology, scanning electron microscopy and gel permeation chromatography. Selective extractions for all samples were made, and the results indicate that a maximum of 25% of EVA-g-PLA copolymer was synthesized by this method. Biodegradation tests were carried out using the standard ISO 14851 (1999) which specifies a method for determining the biochemical oxygen demand in a closed respirometer. This procedure allowed the synthesizes biodegradable copolymers with mechanical properties similar to conventional materials.
TypeConference paper
AccessRestricted access (UMinho)
Appears in Collections:CEB - Artigos em Livros de Atas / Papers in Proceedings

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