Editorial Board Members’ Collection Series: Advances in Cellulose-Based Materials

A special issue of Macromol (ISSN 2673-6209).

Deadline for manuscript submissions: 31 January 2025 | Viewed by 2087

Special Issue Editors


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Guest Editor

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Guest Editor
State Key Lab of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
Interests: biodegradable polymers; biobased polymers; polymer crystallization; polymer blends; polymer composites; polymer nanocomposites; structure and properties of polymers

Special Issue Information

Dear Colleagues,

We are pleased to announce the Special Issue ‘Editorial Board Members’ Collection Series: Advances in Cellulose-Based Materials’. From a sustainable viewpoint, biobased and biodegradable cellulose-based materials are of great interest and importance in both academia and industrial fields. So far, both fundamental research and practical applications of cellulose-based materials have recently made great progress. It is necessary to report the recent progress in Macromol as a Special Issue. The topics include, but are not limited to, the preparation, modification, characterization, physical properties, and practical application of cellulose-based materials. We hope that this Special Issue will provide a unique platform for introducing the recent progress in this interesting and important field.

Prof. Dr. John H.T. Luong
Prof. Dr. Zhaobin Qiu
Guest Editors

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Keywords

  • cellulose
  • biobased
  • biodegradable
  • structure and properties
  • blends
  • composites
  • micro- and nanocrystalline cellulose

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Published Papers (2 papers)

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Research

16 pages, 4805 KiB  
Article
Properties of Multiple-Processed Natural Short Fiber Polypropylene and Polylactic Acid Composites: A Comparison
by Barbara Liedl, Thomas Höftberger and Christoph Burgstaller
Macromol 2024, 4(4), 723-738; https://doi.org/10.3390/macromol4040043 - 5 Oct 2024
Viewed by 939
Abstract
Natural fiber composites have gained increasing attention due to sustainability considerations. One often neglected aspect is the potential for the mechanical recycling of such materials. In this work, we compounded injection-molded polypropylene (PP) and polylactic acid (PLA) short cellulose fiber composites with fiber [...] Read more.
Natural fiber composites have gained increasing attention due to sustainability considerations. One often neglected aspect is the potential for the mechanical recycling of such materials. In this work, we compounded injection-molded polypropylene (PP) and polylactic acid (PLA) short cellulose fiber composites with fiber shares up to 40 percent by weight. Both matrix materials were reinforced by the addition of the fibers. We investigated a trifold full recycling process, where we subjected the materials produced in the first place to compounding, injection molding, testing, and shredding, and then repeated the process. Although the materials’ properties assigned to degradation were found to decrease with progressive recycling, attractive mechanical properties could be preserved even after the third reprocessing cycle. Full article
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30 pages, 3087 KiB  
Article
Study of Purified Cellulosic Pulp and Lignin Produced by Wheat Straw Biorefinery
by Kalvin Durand, Rodrigue Daassi, Denis Rodrigue and Tatjana Stevanovic
Macromol 2024, 4(3), 650-679; https://doi.org/10.3390/macromol4030039 - 17 Sep 2024
Viewed by 648
Abstract
With the world population rising, wheat straw production is expected to reach 687–740 million tons per year by 2050. Its frequent application as a fuel source leads to air, water, and soil pollution. Limited literature exists on methods for separating components of residual [...] Read more.
With the world population rising, wheat straw production is expected to reach 687–740 million tons per year by 2050. Its frequent application as a fuel source leads to air, water, and soil pollution. Limited literature exists on methods for separating components of residual wheat straw. Optimal conditions for organosolv pulping of hydrolyzed wheat straw include 3% FeCl3·6H2O as a catalyst, a biomass-to-solvent ratio of 1:15 (m/v), and 50% ethanol:water as cooking liquor at 200 °C for 30 min. Desilication conditions involve extraction with 7.5% Na2CO3 at a biomass-to-solvent ratio of 1:20 (m/v) treated at 115 °C for 60 min. Lignin from hydrolyzed wheat straw showed similar properties to organosolv lignin from untreated straw, with minimal lignin alteration during hydrolysis. Hydrolysis significantly degraded cellulose. A 41% lignin recovery rate with 95% purity was achieved from pre-extracted hydrolyzed straw. Recovered cellulose after silica removal had 2% ash and 87% purity. The innovation of this process lies in the development of a comprehensive, sustainable, efficient, and economically viable biorefinery process that efficiently separates key components of wheat straw, i.e., xylose, lignin, cellulose, and silica, while addressing environmental pollution associated with its traditional use as fuel. Full article
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