Preparation and Application of Cellulose-Based and Chitosan-Based Materials

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Biobased and Biodegradable Polymers".

Deadline for manuscript submissions: 31 December 2024 | Viewed by 939

Special Issue Editors


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State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
Interests: biomass-based materials; polymer composites; pretreatment of biomass; valorization of low-cost waste
Special Issues, Collections and Topics in MDPI journals
State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
Interests: biomass-based composites; carbon-based nanomaterials; electrocatalysis; electrochemical energy storage and conversion; environmental remediation
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

To prevent catastrophic global climate change, carbon peak and carbon neutrality targets have been put forward worldwide. In this context, as renewable and biodegradable biomass resources, the most common natural polymers, such as cellulose, lignin, chitin, collagen, and so on, have dramatically attracted significant attention in recent decades. Moreover, a large number of biomass-based materials have been developed from these natural polymers, which have a wide range of applications in various fields, such as the packaging, energy, and biomedical fields.

To promote the development of biomass-based materials and expand their application, this Special Issue is focused on the preparation and application of cellulose-based and chitosan-based materials.

Dr. Guangmei Xia
Dr. Peng Jia
Guest Editors

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Keywords

  • biomass-based materials
  • preparation
  • application
  • renewable
  • biodegradable
  • cellulose
  • chitosan

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Published Papers (1 paper)

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Research

11 pages, 5365 KiB  
Article
Evaluation of Mechanical Properties of Composite Material with a Thermoplastic Matrix Reinforced with Cellulose Acetate Microfibers
by Pedro Rodríguez Sandoval, Andres Felipe Rubiano-Navarrete, Edwin Yesid Gómez-Pachón and Ricardo Vera-Graziano
Polymers 2024, 16(18), 2557; https://doi.org/10.3390/polym16182557 - 10 Sep 2024
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Abstract
Low-density polyethylene (LDPE) has been widely used in various applications due to its flexibility, lightness, and low production cost. However, its massive use in disposable products has raised environmental concerns, prompting the search for more sustainable alternatives. This study aims to investigate the [...] Read more.
Low-density polyethylene (LDPE) has been widely used in various applications due to its flexibility, lightness, and low production cost. However, its massive use in disposable products has raised environmental concerns, prompting the search for more sustainable alternatives. This study aims to investigate the mechanical properties achievable in a composite material utilizing low-density polyethylene (LDPE), potato starch (PS), and cellulose microfibrils (MFCA) at loadings of 0.05%, 0.15%, and 0.30%. Initially, the cellulose acetate microfibrils (MFCA) were produced via an electrospinning process. Subsequently, a dispersive mixture of the aforementioned materials was created through the extrusion and pelletizing process to form pellets. These pellets were then molded by injection molding to produce test specimens in accordance with ASTM D 638, the standard for tensile strength testing. The evaluation of the properties was conducted through mechanical tensile tests (ASTM D638), hardness tests (ASTM D 2240), melt flow index (ASTM D1238), and scanning electron microscopy (SEM). This study determined the influence of cellulose acetate microfibril loadings below 0.3% as reinforcement within a thermoplastic LDPE matrix. It was demonstrated that these microfibrils, due to their length-to-diameter ratio, contribute to an enhancement in the mechanical properties. Full article
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