Aromatic Copolyester-based Nano-biocomposites: Elaboration, Structural Characterization and Properties |
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Authors: | Frédéric Chivrac Zuzana Kadlecová Eric Pollet Luc Avérous |
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Institution: | (1) ECPM-LIPHT (UMR CNRS 7165), University Louis Pasteur, 25 rue Becquerel, F-67087 Strasbourg, Cedex 2, France |
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Abstract: | Biodegradable polymers are one of the most promising ways to replace non-degradable polymers. But, to be a real alternative to classical synthetic polymers and find applications, biopolymer (biodegradable polymer) properties have to be enhanced. Nano-biocomposites, which are obtained by incorporation of nanofillers into a biomatrix, are an interesting way to achieve these improvements. Modified and unmodified montmorillonites have been introduced into a biodegradable aromatic copolyester, poly(butylene adipate-co-terephthalate) (PBAT). Structural characterization, thermal and mechanical tests have been carried out to understand better the relations between the nanofillers structuring and the final nano-biocomposite properties. Main results show that clay incorporation and the obtained intercalated structures improve PBAT properties (enhanced thermal stability, increased stiffness) and thus may increase the attractiveness of this biopolymer. |
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Keywords: | Nano-biocomposites Biodegradable polymer Poly(butylene adipate-co-terephthalate) Layered silicates Montmorillonite |
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