Surface modification of natural fibers using bacteria: depositing bacterial cellulose onto natural fibers to create hierarchical fiber reinforced nanocomposites

Marion Pommet, Julasak Juntaro, Jerry Y.Y. Heng, Athanasios Mantalaris, Adam F. Lee, Karen Wilson, Gerhard Kalinka, Milo S.P. Shaffer, Alexander Bismarck

Research output: Contribution to journalArticle

Abstract

Triggered biodegradable composites made entirely from renewable resources are urgently sought after to improve material recyclability or be able to divert materials from waste streams. Many biobased polymers and natural fibers usually display poor interfacial adhesion when combined in a composite material. Here we propose a way to modify the surfaces of natural fibers by utilizing bacteria (Acetobacter xylinum) to deposit nanosized bacterial cellulose around natural fibers, which enhances their adhesion to renewable polymers. This paper describes the process of modifying large quantities of natural fibers with bacterial cellulose through their use as substrates for bacteria during fermentation. The modified fibers were characterized by scanning electron microscopy, single fiber tensile tests, X-ray photoelectron spectroscopy, and inverse gas chromatography to determine their surface and mechanical properties. The practical adhesion between the modified fibers and the renewable polymers cellulose acetate butyrate and poly(L-lactic acid) was quantified using the single fiber pullout test.
Original languageEnglish
Pages (from-to)1643-1651
Number of pages9
JournalBiomacromolecules
Volume9
Issue number6
Early online date21 May 2008
DOIs
Publication statusPublished - 1 Jun 2008

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Natural fibers
Cellulose
Surface treatment
Nanocomposites
Bacteria
Polymers
Adhesion
Fibers
Acetobacter
Composite materials
Lactic acid
Gas chromatography
Fermentation
Surface properties
Deposits
X ray photoelectron spectroscopy
Mechanical properties
Scanning electron microscopy
Substrates

Cite this

Pommet, Marion ; Juntaro, Julasak ; Heng, Jerry Y.Y. ; Mantalaris, Athanasios ; Lee, Adam F. ; Wilson, Karen ; Kalinka, Gerhard ; Shaffer, Milo S.P. ; Bismarck, Alexander. / Surface modification of natural fibers using bacteria : depositing bacterial cellulose onto natural fibers to create hierarchical fiber reinforced nanocomposites. In: Biomacromolecules. 2008 ; Vol. 9, No. 6. pp. 1643-1651.
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Pommet, M, Juntaro, J, Heng, JYY, Mantalaris, A, Lee, AF, Wilson, K, Kalinka, G, Shaffer, MSP & Bismarck, A 2008, 'Surface modification of natural fibers using bacteria: depositing bacterial cellulose onto natural fibers to create hierarchical fiber reinforced nanocomposites', Biomacromolecules, vol. 9, no. 6, pp. 1643-1651. https://doi.org/10.1021/bm800169g

Surface modification of natural fibers using bacteria : depositing bacterial cellulose onto natural fibers to create hierarchical fiber reinforced nanocomposites. / Pommet, Marion; Juntaro, Julasak; Heng, Jerry Y.Y.; Mantalaris, Athanasios; Lee, Adam F.; Wilson, Karen; Kalinka, Gerhard; Shaffer, Milo S.P.; Bismarck, Alexander.

In: Biomacromolecules, Vol. 9, No. 6, 01.06.2008, p. 1643-1651.

Research output: Contribution to journalArticle

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AU - Mantalaris, Athanasios

AU - Lee, Adam F.

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AU - Bismarck, Alexander

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