The DOI matches its Crossref record; 55 of the 55 references it cites were found in a registry or an index.
Effect of Surface Energy on Dispersion and Mechanical Properties of Polymer/Nanocrystalline Cellulose Nanocomposites
Abstract
Dispersion quality and polymer-filler interaction are important factors in determining the final properties of polymer nanocomposites. Surface energy of nanocrystalline cellulose (NCC) and some polymers (polypropylene, PP, and polylactic acid, PLA) was measured at room and high temperatures. NCC had higher polarity and surface energy than PP and PLA at room temperature but had a lower surface energy at higher temperatures. The effect of surface modification with alkenyl succinic anhydride (ASA) on NCC surface energy at room and high temperature was studied. Total surface energy of NCC was lowered after surface modification. Thermodynamic work of adhesion for PP/NCC and PLA/NCC was lowered by NCC surface modification. A thermodynamic analysis is proposed to estimate the dispersion energy, based on surface energy measurements at room and high temperatures. Also, a dispersion factor is defined to provide a quantitative indication of the dispersibility of nanoparticles in a polymer matrix under various conditions. The required dispersion energy was reduced by lowering the interfacial tension. On the other hand, it increased as the quality of NCC dispersion (i.e., the nanoparticle surface area) in the system was improved. Surface modification of NCC with ASA had a negative effect on the compatibility between NCC and PLA, whereas it had a positive influence on compatibility between PP and NCC.
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“Surface modification of NC has been shown to lower its surface energy, improving the polymer-filler interaction and thus achieving uniform dispersion [79]”
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Ngwenya, M., Gumede, T. P., Pérez Camargo, R. A., & Motloung, B. (2025) · Materials · doi:10.3390/ma18225172 · Cited by 9
“Surface modification of NC has been shown to lower its surface energy, improving the polymer-filler interaction and thus achieving uniform dispersion [79].”
Metadata
- Authors
- Khoshkava, V., & Kamal, M. R.
- Affiliations
- McGill University (CA)
- Corresponding author
- Kamal, M. R.
- ORCID
- Kamal, M. R.
- Venue
- Biomacromolecules
- Publisher
- American Chemical Society (ACS)
- Published
- 2013-08-19
- Volume
- 14
- Issue
- 9
- Pages
- 3155-3163
- ISSN
- 1525-7797 (ISSN-L)
- 1526-4602
- OpenAlex
- W2325859242
- Cited by
- 235
- References
- 55
- Citations by year
- 2026: 12 · 2025: 17 · 2024: 32 · 2023: 20 · 2022: 7 · 2021: 16 · 2020: 13 · 2019: 26 · 2018: 25 · 2017: 21 · 2016: 17 · 2015: 18 · 2014: 11
- FWCI
- 5.85
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Biomacromolecules (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Physical Sciences › Materials Science › Biomaterials › Advanced Cellulose Research Studies
- Physical Sciences › Materials Science › Polymers and Plastics › Natural Fiber Reinforced Composites
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer Nanocomposites and Properties
- Keywords
- cellulose nanocrystals, polymer nanocomposites, surface energy, dispersion energy, alkenyl succinic anhydride, surface modification, polypropylene, polylactic acid, work of adhesion, interfacial tension, filler-polymer interaction, dispersion factor, nanoparticle dispersibility
- MeSH terms
- Cellulose, Dimethyl Sulfoxide, Microscopy, Electron, Scanning, Polyesters, Polymers, Polypropylenes, Solutions, Solvents, Surface Properties, Thermodynamics, Microscopy, Atomic Force, Lactic Acid, Nanoparticles, Nanocomposites
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