Influence of mixing energy on the solid-state behavior and clay fraction threshold of PA12/C30B® nanocomposites
-
Nourredine Aït Hocine
,
Pascal Médéric
Abstract
This study focuses on the influence of mixing energy on the solid-state behavior and clay fraction threshold of nanocomposites. Thus, three polyamide12/clay (PA12/C30B®) nanocomposites exhibiting different nanostructures were prepared from three sets of processing conditions. Then, thermal and dynamical viscoelastic properties of these nanocomposites were analyzed, in relationship with the material nanostructure and processing conditions. For the first time, the solid-state properties of the nanocomposites revealed the existence of a critical specific mixing mechanical energy. Below this critical value, an increase of mechanical energy refines the structure, improving some end-use properties of the nanocomposite. Above this value, a high mixing energy supply is necessary in order to significantly modify the structure. They also highlighted that the clay fraction threshold, which is commonly attributed to the formation of a three-dimensional percolated network, decreases with increasing specific mixing energy, less significantly when this energy is superior to its critical value.
Acknowledgments
The authors thank Ludovic Teffo from the University of Brest and Emmanuel Penaud from the University of Tours for preparing PA12/C30B® specimens used in the dynamical mechanical thermal analysis tests. They also thank the Centre d’Etude et de Recherche sur les Matériaux Elastomères (CERMEL) of the Université François-Rabelais de Tours (37000), France, for the technical help provided.
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©2019 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
- Frontmatter
- Material properties
- Thermal stability of xanthan gum biopolymer and its application in salt-tolerant bentonite water-based mud
- Thermal stability and dynamic mechanical behavior of functional multiphase boride ceramics/epoxy composites
- Influence of radiation-crosslinking on the elongation behaviour of glass-fibre-filled sheets in the thermoforming process
- Physicochemical and biological investigation of oxygen plasma modified electrospun polyurethane scaffolds for connective tissue engineering application
- Role of polymer/polymer and polymer/drug specific interactions in drug delivery systems
- Preparation and assembly
- Development of antimicrobial and antifouling nanocomposite membranes by a phase inversion technique
- Preparation of nano-SiO2 compound antioxidant and its antioxidant effect on polyphenylene sulfide
- Influence of mixing energy on the solid-state behavior and clay fraction threshold of PA12/C30B® nanocomposites
- Engineering and processing
- Analysis of the formation of gap-based leakages in polymer-metal electronic systems with labyrinth seals
- Effect of gas on the polymer temperature in external gas-assisted injection molding
Artikel in diesem Heft
- Frontmatter
- Material properties
- Thermal stability of xanthan gum biopolymer and its application in salt-tolerant bentonite water-based mud
- Thermal stability and dynamic mechanical behavior of functional multiphase boride ceramics/epoxy composites
- Influence of radiation-crosslinking on the elongation behaviour of glass-fibre-filled sheets in the thermoforming process
- Physicochemical and biological investigation of oxygen plasma modified electrospun polyurethane scaffolds for connective tissue engineering application
- Role of polymer/polymer and polymer/drug specific interactions in drug delivery systems
- Preparation and assembly
- Development of antimicrobial and antifouling nanocomposite membranes by a phase inversion technique
- Preparation of nano-SiO2 compound antioxidant and its antioxidant effect on polyphenylene sulfide
- Influence of mixing energy on the solid-state behavior and clay fraction threshold of PA12/C30B® nanocomposites
- Engineering and processing
- Analysis of the formation of gap-based leakages in polymer-metal electronic systems with labyrinth seals
- Effect of gas on the polymer temperature in external gas-assisted injection molding
