Understanding the effects of copolymerized cellulose nanofibers and diatomite nanocomposite on blend chitosan films

Muhammad Mujtaba; Rut Fernández-Marín; Eduardo Robles; Jalel Labidi; Bahar Akyuz Yilmaz; Houwaida Nefzi

doi:10.1016/j.carbpol.2021.118424

Understanding the effects of copolymerized cellulose nanofibers and diatomite nanocomposite on blend chitosan films

Muhammad Mujtaba^*
, Rut Fernández-Marín
, Eduardo Robles
, Jalel Labidi
, Bahar Akyuz Yilmaz
, Houwaida Nefzi

^*Corresponding author for this work

Not published at VTT

Aalto University
Ankara University
University of the Basque Country
French National Center for Scientific Research (CNRS)
Aksaray University
Preparatory Institute of Scientific and Technical Studies of Tunis (IPEST)

Research output: Contribution to journal › Article › Scientific › peer-review

39 Citations (Scopus)

Abstract

Chitosan films lack various important physicochemical properties and need to be supplemented with reinforcing agents to bridge the gap. Herein, we have produced chitosan composite films supplemented with copolymerized (with polyacrylonitrile monomers) cellulose nanofibers and diatomite nanocomposite at different concentrations. The incorporation of CNFs and diatomite enhanced the physicochemical properties of the films. The mechanical characteristics and hydrophobicity of the films were observed to be improved after incorporating the copolymerized CNFs/diatomite composite at different concentrations (CNFs: 1%, 2% and 5%; diatomite: 10% and 30%). The antioxidant activity gradually increased with an increasing concentration (1–5% and 10–30%) of copolymerized CNFs/diatomite composite in the chitosan matrix. Moreover, the water solubility decreased from 30% for chitosan control film (CH-0) to 21.06% for films containing 30% diatomite and 5% CNFs (CNFs-D30-5). The scanning electron micrographs showed an overall uniform distribution of copolymerized CNFs/diatomite composite in the chitosan matrix with punctual agglomerations.

Original language	English
Article number	118424
Journal	Carbohydrate Polymers
Volume	271
DOIs	https://doi.org/10.1016/j.carbpol.2021.118424
Publication status	Published - 1 Nov 2021
MoE publication type	A1 Journal article-refereed

Funding

R. F-M. would like to express her gratitude to the Department of Economic Development and Infrastructures of the Basque Government (scholarship of young researchers training) for supporting this research financially. E.R. wants to acknowledge the tenure track position “Biobased materials” part of E2S UPPA supported by the “Investissements d'Avenir” French program managed by ANR (ANR-16-IDEX-0002). The authors would like to acknowledge the technical and human support provided by SGIker (UPV/EHU/ERDF.EU) and Biotechnology Institute, Ankara University, Turkey.

Keywords

Acrylonitrile.
Chitosan
Copolymerized cellulose nanofibers
Diatomite

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10.1016/j.carbpol.2021.118424Licence: CC BY

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title = "Understanding the effects of copolymerized cellulose nanofibers and diatomite nanocomposite on blend chitosan films",

abstract = "Chitosan films lack various important physicochemical properties and need to be supplemented with reinforcing agents to bridge the gap. Herein, we have produced chitosan composite films supplemented with copolymerized (with polyacrylonitrile monomers) cellulose nanofibers and diatomite nanocomposite at different concentrations. The incorporation of CNFs and diatomite enhanced the physicochemical properties of the films. The mechanical characteristics and hydrophobicity of the films were observed to be improved after incorporating the copolymerized CNFs/diatomite composite at different concentrations (CNFs: 1\%, 2\% and 5\%; diatomite: 10\% and 30\%). The antioxidant activity gradually increased with an increasing concentration (1–5\% and 10–30\%) of copolymerized CNFs/diatomite composite in the chitosan matrix. Moreover, the water solubility decreased from 30\% for chitosan control film (CH-0) to 21.06\% for films containing 30\% diatomite and 5\% CNFs (CNFs-D30-5). The scanning electron micrographs showed an overall uniform distribution of copolymerized CNFs/diatomite composite in the chitosan matrix with punctual agglomerations.",

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AU - Fernández-Marín, Rut

AU - Robles, Eduardo

AU - Labidi, Jalel

AU - Yilmaz, Bahar Akyuz

AU - Nefzi, Houwaida

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N2 - Chitosan films lack various important physicochemical properties and need to be supplemented with reinforcing agents to bridge the gap. Herein, we have produced chitosan composite films supplemented with copolymerized (with polyacrylonitrile monomers) cellulose nanofibers and diatomite nanocomposite at different concentrations. The incorporation of CNFs and diatomite enhanced the physicochemical properties of the films. The mechanical characteristics and hydrophobicity of the films were observed to be improved after incorporating the copolymerized CNFs/diatomite composite at different concentrations (CNFs: 1%, 2% and 5%; diatomite: 10% and 30%). The antioxidant activity gradually increased with an increasing concentration (1–5% and 10–30%) of copolymerized CNFs/diatomite composite in the chitosan matrix. Moreover, the water solubility decreased from 30% for chitosan control film (CH-0) to 21.06% for films containing 30% diatomite and 5% CNFs (CNFs-D30-5). The scanning electron micrographs showed an overall uniform distribution of copolymerized CNFs/diatomite composite in the chitosan matrix with punctual agglomerations.

AB - Chitosan films lack various important physicochemical properties and need to be supplemented with reinforcing agents to bridge the gap. Herein, we have produced chitosan composite films supplemented with copolymerized (with polyacrylonitrile monomers) cellulose nanofibers and diatomite nanocomposite at different concentrations. The incorporation of CNFs and diatomite enhanced the physicochemical properties of the films. The mechanical characteristics and hydrophobicity of the films were observed to be improved after incorporating the copolymerized CNFs/diatomite composite at different concentrations (CNFs: 1%, 2% and 5%; diatomite: 10% and 30%). The antioxidant activity gradually increased with an increasing concentration (1–5% and 10–30%) of copolymerized CNFs/diatomite composite in the chitosan matrix. Moreover, the water solubility decreased from 30% for chitosan control film (CH-0) to 21.06% for films containing 30% diatomite and 5% CNFs (CNFs-D30-5). The scanning electron micrographs showed an overall uniform distribution of copolymerized CNFs/diatomite composite in the chitosan matrix with punctual agglomerations.

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KW - Copolymerized cellulose nanofibers

KW - Diatomite

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ER -

Understanding the effects of copolymerized cellulose nanofibers and diatomite nanocomposite on blend chitosan films

Abstract

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