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Polymers 2017, 9(5), 179; doi:10.3390/polym9050179

In Situ Self-Assembled Nanocomposites from Bacterial Cellulose Reinforced with Eletrospun Poly(lactic acid)/Lipids Nanofibers

1
Department of Apparel, Events, and Hospitality Management, Iowa State University, Ames, IA 50011, USA
2
Department of Food Science and Human Nutrition, Iowa State University, Ames, IA 50011, USA
*
Authors to whom correspondence should be addressed.
Academic Editor: Katja Loos
Received: 16 April 2017 / Revised: 12 May 2017 / Accepted: 14 May 2017 / Published: 19 May 2017
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Abstract

The goal of this study is to explore a new strategy to improve the mechanical and hydrophobic properties of bacterial cellulose (BC) mats. The present work is the first to report the preparation of in situ self-assembled BC nanocomposites using electrospun hydrophobic poly(lactic acid) (PLA) or PLA/lipids (PLA/Lip) nanofiber mats as foundation for BC nanofiber growth. Adding electrospun PLA mats to the BC culture media led to a two-fold increase in toughness with a 52% increase in elongation of the nanocomposites with regard to BC. The incorporation of electrospun PLA and PLA/Lip nanofiber mats lowered the moisture regain and water vapor transmission of BC nanocomposites relative to pure BC mats. The interfacial bonding between the individual components of a nanocomposite is a key factor for the improvement of composite strength, stiffness, and barrier properties; thus additional strategies to improve interaction between hydrophilic BC and hydrophobic PLA fibers need to be explored. View Full-Text
Keywords: bacterial cellulose nanocomposites; in situ self-assembly; hydrophobicity bacterial cellulose nanocomposites; in situ self-assembly; hydrophobicity
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Xiang, C.; Acevedo, N.C. In Situ Self-Assembled Nanocomposites from Bacterial Cellulose Reinforced with Eletrospun Poly(lactic acid)/Lipids Nanofibers. Polymers 2017, 9, 179.

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