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How to combine a hydrophobic matrix and a hydrophilic filler without adding a compatibilizer – Co-grinding enhances use properties of renewable PLA-starch composites

Le Bolay, Nadine and Lamure, Alain and Gallego Leis, Nora and Subhani, Arfan How to combine a hydrophobic matrix and a hydrophilic filler without adding a compatibilizer – Co-grinding enhances use properties of renewable PLA-starch composites. (2012) Chemical Engineering and Processing: Process Intensification, vol. 56 . pp. 1-9. ISSN 0255-2701

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Official URL: http://dx.doi.org/10.1016/j.cep.2012.03.005

Abstract

In order to avoid the use of compatibilizers or plasticizers, co-grinding was performed to produce PLA – starch composite materials. Fragmentation and agglomeration phenomena were analysed to propose a production mechanism. Co-grinding enhances dispersion of the filler in the matrix and interactions between the materials. Consequently while blending the two materials has a negative effect on mechanical properties, co-grinding permits to improve them if optimized operating conditions are applied. Water uptake and diffusion are also controlled by co-grinding conditions. This treatment allows the production of composite materials offering good use properties without any use of a compatibilizer or a plasticizer.

Item Type:Article
Additional Information:Thanks to Elsevier editor. The orinal version is available at http://www.sciencedirect.com The original PDF of the article can be found at Chemical Engineering and Processing: Process Intensification website: http://www.sciencedirect.com/science/article/pii/S0255270112000657
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
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Deposited By: Nadine LE BOLAY

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