Issue 50, 2014
From the journal:

RSC Advances

Synthesis and physical properties of new layered silicates based on ionic liquids: improvement of thermal stability, mechanical behaviour and water permeability of PBAT nanocomposites

Sébastien Livi,*abc   Gabriela Sar,abc   Valeria Bugatti,e   Eliane Espucheacd  and  Jannick Duchet-Rumeauabc  

* Corresponding authors

a Université de Lyon, Lyon, France
E-mail: sebastien.livi@insa-lyon.fr

b INSA Lyon, Villeurbanne, France

c CNRS, UMR 5223, Ingénierie des Matériaux Polymères, France

d Université Lyon 1, Villeurbanne, France

e Department of Industrial Engineering, University of Salerno, Via Ponte Don Melillo 1, 84084-Fisciano, SA, Italy

Abstract

Ionic liquids based on tetraalkylphosphonium and dialkyl imidazolium cations with long alkyl chains have been investigated as new surfactant agents for cationic exchange of lamellar silicates. The effect of the chemical nature of the ionic liquids on the thermal stability and on the surface energies of phosphonium-(MMT-201) and imidazolium-(MMT-I) treated montmorillonites have been studied by thermogravimetric analysis (TGA) and sessile drop method. Poly(butylene adipate-co-terephthalate) (PBAT) nanocomposites filled with a low amount of these modified-montmorillonites (2, 5 wt%) have been processed by melt mixing using a twin screw extruder. The mechanical, thermal, water and gas barrier properties of the corresponding nanocomposites as well as the distribution of the clay layers in PBAT matrix were determined.

Graphical abstract: Synthesis and physical properties of new layered silicates based on ionic liquids: improvement of thermal stability, mechanical behaviour and water permeability of PBAT nanocomposites

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Article information

DOI
https://doi.org/10.1039/C4RA02143F
Article type
Paper
Submitted
11 Mar 2014
Accepted
04 Jun 2014
First published
04 Jun 2014

RSC Adv., 2014,4, 26452-26461

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Synthesis and physical properties of new layered silicates based on ionic liquids: improvement of thermal stability, mechanical behaviour and water permeability of PBAT nanocomposites

S. Livi, G. Sar, V. Bugatti, E. Espuche and J. Duchet-Rumeau, RSC Adv., 2014, 4, 26452 DOI: 10.1039/C4RA02143F

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