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Evaluation of the Structure and Dispersion in Polymer-Layered Silicate Nanocomposites
Open accessAbstract
Polymer-layered silicate nanocomposites have drawn a great interest in polymer science these past years. Understanding of the complex mechanism of dispersion and exfoliation of the clay tactoids may allow us to better control the final morphology and the homogeneity of clay nanocomposites and thus their macroscopic properties. The first step we propose in this study consists of a multiscale approach of the exfoliation state of the extruded polypropylene/montmorillonite nanocomposite. We used three extruders designs: a single-screw extruder, a twin-screw extruder, and an optimized-screw extruder with adapted shear. The rheological analysis, the WAXS diffractograms, and the TEM micrographs all show different nanocomposite morphologies. A statistical TEM image analysis methodology was developed to evaluate the different particle parameters (thickness, length, aspect ratio, interparticle distance). The results obtained show a correlation between the size of the tactoids and the shear intensity.
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Citations
Cited by
Polymer nanotechnology: Nanocomposites
Paul, D. R., & Robeson, L. M. (2008) · Polymer · doi:10.1016/j.polymer.2008.04.017 · Cited by 3,317
A critical appraisal of polymer–clay nanocomposites
Chen, B., Evans, J. R. G., Greenwell, H. C., Boulet, P., Coveney, P. V., Bowden, A. A., & Whiting, A. (2008) · Chem. Soc. Rev. · doi:10.1039/b702653f · Cited by 416
Nanocomposites of isotactic polypropylene reinforced with rod-like cellulose whiskers
Ljungberg, N., Cavaillé, J.-Y., & Heux, L. (2006) · Polymer · doi:10.1016/j.polymer.2006.07.013 · Cited by 272
Jullin, A., Sudre, G., Hascoët, N., Chinesta, F., & Espuche, E. (2025) · Polymer Testing · doi:10.1016/j.polymertesting.2024.108682 · Cited by 8
Metadata
- Authors
- Vermogen, A., Masenelli-Varlot, K., Séguéla, R., Duchet-Rumeau, J., Boucard, S., & Prele, P.
- Venue
- Macromolecules
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-10-15
- Volume
- 38
- Issue
- 23
- Pages
- 9661-9669
- ISSN
- 0024-9297 (ISSN-L)
- 1520-5835
- OpenAlex
- W2039948992
- Cited by
- 191
- References
- 0
- FWCI
- 15.18
- Type
- journal article
- Language
- en
- Open access
- green
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- Vermogen, A., Masenelli-Varlot, K., Séguéla, R., Duchet-Rumeau, J., Boucard, S., & Prele, P. (2005). Evaluation of the Structure and Dispersion in Polymer-Layered Silicate Nanocomposites. Macromolecules. https://doi.org/10.1021/ma051249%2B
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