Optical properties
Cellulosic nanoparticles - Properties and applications for packaging

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Optical properties
Cellulosic nanoparticles - Properties and applications for packaging

Author : Alain DUFRESNE

Review date: November 30, 2021 | Lire en français

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6. Optical properties

The optical properties of 100% nanocellulose films, or nanocomposites, have been studied mainly for MFC. These properties may be important for packaging applications. Visible light transmittance is usually determined using a UV-visible spectrometer. Measurements are typically taken in the 200-1,000 nm wavelength range.

6.1 100% cellulose films

  • Films obtained from aqueous suspensions of MFC can be optically transparent if the cellulose nanoparticles are arranged compactly and the interstices between them are small enough to avoid light scattering

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