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| Naji, M. |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Sauceau, Martial
IMT Mines Albi
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Topics
Publications (21/21 displayed)
- 2023Foaming of PLA biocomposites by supercritical CO2 assisted extrusion process
- 2023Foaming of PLA biocomposites by supercritical CO2 assisted extrusion process
- 2022Supercritical CO2 assisted foam extrusion for aeronautical sandwich structure manufacturing
- 2021Rheological characterization of sludge in divided granular-like and pasty states using a granular rheometercitations
- 2021PLA-based biocomposites foaming by supercritical CO2 assisted batch process
- 2021PLA-based biocomposites foaming by supercritical CO2 assisted batch process
- 2021Blending and foaming thermoplastic starch with poly (lactic acid) by CO 2 ‐aided hot melt extrusioncitations
- 2021Foaming of PLA-based Biocomposites by Supercritical CO2 Assisted Batch Process : Effect of Processing and Cellulose Fibres on Foam Microstructure
- 2021Foaming of PLA-based Biocomposites by Supercritical CO2 Assisted Batch Process : Effect of Processing and Cellulose Fibres on Foam Microstructure
- 2019Determination of drug-polymer solubility from supersaturated spray-dried amorphous solid dispersions: a case study with Efavirenz and Soluplus®citations
- 2019Determination of drug-polymer solubility from supersaturated spray-dried amorphous solid dispersions: a case study with Efavirenz and Soluplus®citations
- 2017Modelling Nucleation and Cell Size During the Continuous Process of Extrusion Assisted by Supercritical CO 2
- 2017A uniaxial cyclic compression method for characterizing the rheological and textural behaviors of mechanically dewatered sewage sludgecitations
- 2016Characterisation of natural fibre reinforced PLA foams prepared by supercritical CO 2 assisted extrusioncitations
- 2012Use of supercritical CO2-aided and conventional melt extrusion for enhancing the dissolution rate of an active pharmaceutical ingredientcitations
- 2011On-line rheological measurement of a binary mixture polymer/sc-CO2 in an extruder
- 2011New challenges in polymer foaming: A review of extrusion processes assisted by supercritical carbon dioxidecitations
- 2010Biosourced polymer foam production using a (SC CO2) -assisted extrusion process
- 2008Application of the Markov chain theory for modelling residence time distribution in a single screw extruder
- 2004Supercritical carbon dioxide : an efficient tool for the production of ultra-fine particles for the food and pharmaceutical industries
- 2002Extraction and precipitation particle coating using supercritical CO2citations
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article
Blending and foaming thermoplastic starch with poly (lactic acid) by CO 2 ‐aided hot melt extrusion
Abstract
International audience ; Biomaterials are materials that can be biodegradable or obtained from renewable resources. Among them, poly (lactic acid) (PLA) and thermoplastic starch (TPS) represent an interesting alternative to replace petro‐sourced thermoplastics. In this study, blends made by TPS addition to PLA were subjected to a foaming process using supercritical CO2‐aided extrusion. Extruder die temperature and CO2 content were the most prominent parameters explaining the structure of the foams obtained. Both parameters were intimately linked since the CO2 flow depends on the melt temperature, the lower the temperature, the higher the CO2 solubility. Therefore, the die temperature was chosen to pilot the process. Whatever the experimental conditions, a 50/50 (in wt%) blend was poorly foamed due to the strong incompatibility between both biopolymers. However, the blend made of 80 wt% PLA and 20 wt% TPS gave evenly foamed samples. In terms of expansion and type of porosity this blend behaved like pure PLA with high porosity, up to 96%, and the presence of a threshold die temperature separating a close cell porosity at lowest temperatures and an open cell structure above the threshold. This temperature threshold was however significantly lower to that obtained with pure PLA.