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Article Dans Une Revue Composites Science and Technology Année : 2019

Self-organization of sepiolite fibbers in a biobased thermoset

Nicolas Volle
  • Fonction : Auteur
Sophie Pagnotta
Nicolas Sbirrazzuoli
Alice Mija

Résumé

Unusual self-organization of sepiolite fibbers have been found during the synthesis of sustainable nanocomposites. These auto-structured networks are synthesized starting with an epoxidized linseed oil (ELO), a bio-based hardener of dicarboxylic class and sepiolite fibbers. For the first time, the auto-organization of sepiolite fibbers into empty or solid spheres insight a bio-based thermoset matrix have been highlighted and synthesized. The influence of the thermoset formulation and the sepiolite concentration on self-organization are emphasized. The thermomechanical properties of nanocomposites have been investigated highlighting an increasing of elastic modulus from 30 to 40 % in the vitreous states and from 25 to 45 % in the rubbery state. This peculiar organization and behaviour of sepiolite, similar to that of surfactants, is of great interest as fundamental, applicative and industrial level.
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Dates et versions

hal-02346172 , version 1 (12-11-2019)

Identifiants

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Guillaume Falco, Françoise Giulieri, Nicolas Volle, Sophie Pagnotta, Nicolas Sbirrazzuoli, et al.. Self-organization of sepiolite fibbers in a biobased thermoset. Composites Science and Technology, 2019, 171, pp.226-233. ⟨10.1016/j.compscitech.2018.12.025⟩. ⟨hal-02346172⟩
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