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Renewable Nanomaterials

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Nanochemistry".

Deadline for manuscript submissions: closed (30 November 2020) | Viewed by 7986

Special Issue Editors


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Guest Editor
Department of Chemical Engineering, 413 Chemical and Biomedical Engineering Building (CBEB), The Pennsylvania State University, University Park, PA 16802, USA
Interests: soft matter; colloidal systems; macromolecules; hydrogels; active interfaces; biomaterials; nanocelluloses
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
School of Forest Resources and Advanced Structures and Composites Center, University of Maine, Orono, ME 04469, USA
Interests: Cellulose nanomaterials; Composites; Mechanical properties; Viscoelasticity

Special Issue Information

Dear Colleagues,

Natural bio-products have received significant attention in the past decade with regard to the development of advanced functional materials for a myriad of applications, including energy conversion and storage, environmental remediation, healthcare, food, hygiene, personal care, and cosmetics. Converting naturally-derived materials to micro- and nanoscale features may provide additional physico-chemical improvements over the bulk counterparts, encompassing increased surface area, functional group density, colloidal stability, dispersibility, homogeneity, and porosity, which have contributed to advancing the field of sustainable development. Accordingly, the field of sustainable nanomaterials has emerged as one of the most promising infrastructures for addressing the unmet challenges of the 21st century.

This Special Issue endeavors to gather the expert opinions and recent advances in the design, synthesis, characterization, and applications of state-of-the-art, nanotechnology-enabled renewable material platforms, including polysaccharide-, lipid-, and protein-based nanomaterials. These nanomaterials span from nanocelluloses, to nanoscale pectin, starch, alginate, carrageenan, agarose, lignin, zein, soy and wheat proteins, phospholipids, fatty acids, phytosterols, cardanol, pollen grains, and other naturally-derived nanoengineered materials. Authors are welcome to submit their original research and/or review articles.

Dr. Amir Sheikhi
Prof. Dr. Mehdi Tajvidi
Guest Editors

Manuscript Submission Information

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Molecules is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • Sustainable nanotechnology
  • Polysaccharide nanomaterials
  • Protein nanomaterials
  • Renewable lipids
  • Pollen grains
  • Nanocellulose
  • Drug delivery
  • Energy and environment
  • Sensors and flexible electronics
  • Personal care
  • Barrier films and membranes
  • Rheology modifiers
  • Binders

Published Papers (1 paper)

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Research

15 pages, 5518 KiB  
Article
Paper-Based Oil Barrier Packaging using Lignin-Containing Cellulose Nanofibrils
by Ali H. Tayeb, Mehdi Tajvidi and Douglas Bousfield
Molecules 2020, 25(6), 1344; https://doi.org/10.3390/molecules25061344 - 16 Mar 2020
Cited by 65 | Viewed by 7673
Abstract
Environmental and health concerns are driving the need for new materials in food packaging to replace poly- or perfluorinated compounds, aluminum layers, and petroleum-based polymers. Cellulose nanofibrils (CNF) have been shown by a number of groups to form excellent barrier layers to oxygen [...] Read more.
Environmental and health concerns are driving the need for new materials in food packaging to replace poly- or perfluorinated compounds, aluminum layers, and petroleum-based polymers. Cellulose nanofibrils (CNF) have been shown by a number of groups to form excellent barrier layers to oxygen and grease. However, the influence of lignin-containing cellulose nanofibrils (LCNF) on film barrier properties has not been well reported. Herein, thin films (16 g/m2) from LCNF and CNF were formed on paper substrates through a filtration technique that should mimic the addition of material at the wet end of a paper machine. Surface, barrier and mechanical attributes of these samples were characterized. The analysis on the surface free energy and water contact angle pointed to the positive role of lignin distribution in inducing a certain degree of water repellency. The observed oxygen transmission rate (OTR) and water vapor permeability (WVP) values of LCNF-coated samples were nearly similar to those with CNF. However, the presence of lignin improved the oil proof performance; these layered designs exhibited an excellent resistance to grease (kit No. 12). The attained papers with LCNF coat were formed into bowl-like containers using metal molds and a facile oven drying protocol to evaluate their resistance to oil penetration over a longer period. The results confirmed the capability of LCNF layer in holding commercially available cooking oils with no evidence of leakage for over five months. Also, an improvement in the tensile strength and elongation at break was observed in the studied papers. Overall, the proposed packaging material possesses viable architecture and can be considered as a fully wood-based alternative for the current fluorocarbon systems. Full article
(This article belongs to the Special Issue Renewable Nanomaterials)
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