The DOI matches its Crossref record; 28 of the 28 references it cites were found in a registry or an index.
High strength, flexible and transparent nanofibrillated cellulose–nanoclay biohybrid films with tunable oxygen and water vapor permeability
Abstract
A novel, technically and economically benign procedure to combine vermiculite nanoplatelets with nanocellulose fibre dispersions into functional biohybrid films is presented. Nanocellulose fibres of 20 nm diameters and several micrometers in length are mixed with high aspect ratio exfoliated vermiculite nanoplatelets through high-pressure homogenization. The resulting hybrid films obtained after solvent evaporation are stiff (tensile modulus of 17.3 GPa), strong (strength up to 257 MPa), and transparent. Scanning electron microscopy (SEM) shows that the hybrid films consist of stratified nacre-like layers with a homogenous distribution of nanoplatelets within the nanocellulose matrix. The oxygen barrier properties of the biohybrid films outperform commercial packaging materials and pure nanocellulose films showing an oxygen permeability of 0.07 cm(3) μm m(-2) d(-1) kPa(-1) at 50% relative humidity. The oxygen permeability of the hybrid films can be tuned by adjusting the composition of the films. Furthermore, the water vapor barrier properties of the biohybrid films were also significantly improved by the addition of nanoclay. The unique combination of excellent oxygen barrier behavior and optical transparency suggests the potential of these biohybrid materials as an alternative in flexible packaging of oxygen sensitive devices such as thin-film transistors or organic light-emitting diode displays, gas storage applications and as barrier coatings/laminations in large volume packaging applications.
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Zhu, H., Luo, W., Ciesielski, P. N., Fang, Z., Zhu, J. Y., Henriksson, G., Himmel, M. E., & Hu, L. (2016) · Chemical Reviews · doi:10.1021/acs.chemrev.6b00225 · Cited by 1,532
Moisture and Oxygen Barrier Properties of Cellulose Nanomaterial-Based Films
Wang, J., Gardner, D. J., Stark, N. M., Bousfield, D. W., Tajvidi, M., & Cai, Z. (2018) · ACS Sustainable Chemistry & Engineering · doi:10.1021/acssuschemeng.7b03523 · Cited by 675
Nanocellulose in Thin Films, Coatings, and Plies for Packaging Applications: A Review
Hubbe, M. A., Ferrer, A., Tyagi, P., Yin, Y., Salas, C., Pal, L., & Rojas, O. J. (2017) · BioResources · doi:10.15376/biores.12.1.2143-2233 · Cited by 508
Materials chemistry and the futurist eco-friendly applications of nanocellulose: Status and prospect
Mishra, R. K., Sabu, A., & Tiwari, S. K. (2018) · Journal of Saudi Chemical Society · doi:10.1016/j.jscs.2018.02.005 · Cited by 382
High performance green barriers based on nanocellulose
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Metadata
- Authors
- Aulin, C., Salazar-Alvarez, G., & Lindström, T.
- Venue
- Nanoscale
- Publisher
- Royal Society of Chemistry (RSC)
- Published
- 2012
- Volume
- 4
- Issue
- 20
- Pages
- 6622
- ISSN
- 2040-3364 (ISSN-L)
- 2040-3372
- OpenAlex
- W2033216678
- Cited by
- 260
- References
- 28
- FWCI
- 6.13
- Type
- journal article
- Language
- en
- Open access
- closed
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