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Polymers
Special Issues
Cellulose Nanocrystals and Cellulose-Based Materials: Synthesis, Characterization and Application
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Cellulose Nanocrystals and Cellulose-Based Materials: Synthesis, Characterization and Application

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Circular and Green Polymer Science".

Deadline for manuscript submissions: closed (5 August 2023) | Viewed by 7647

Special Issue Editor

Dr. Xiuzhi Tian

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Guest Editor
College of Bioresource Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
Interests: nanocellulose; nanocomposites; cellulose nanocrystals; nanofibrillar/microfibrillar cellulose; mechanical properties; functional properties; nanocellulose liquid crystals; barrier properties; aerogels; hydrogels

Special Issue Information

Dear Colleagues,

Cellulose nanocrystals (CNCs) are one of most readily available renewable natural resources that can be obtained via mechanical and/or chemical processes from nature. CNCs attract attention from material scientists due to their unique combination of physical and chemical properties and show excellent potential in numerous application areas. This Special Issue will cover materials, characterizations, and applications concerning nanocellulose.

Full papers, communications, and reviews are welcome. Submitted manuscripts should not have been published previously nor be under consideration for publication elsewhere. All manuscripts are refereed through a peer-review process. A guide for authors and other relevant information for submission of manuscripts are available on the journal’s website.

Dr. Xiuzhi Tian
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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. Polymers 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

  • polymer composites
  • nanocomposites
  • cellulose nanocrystals
  • nanofibrillated cellulose
  • lignocellulosic fibers
  • biodegradability
  • aerogels
  • smart materials
  • hybrid composites
  • conductive composites
  • biosorbents
  • drug-delivery systems

Published Papers (3 papers)

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Review

28 pages, 4335 KiB  
Review
Modified Cellulose Proton-Exchange Membranes for Direct Methanol Fuel Cells
by Gowthami Palanisamy, Tae Hwan Oh and Sadhasivam Thangarasu
Polymers 2023, 15(3), 659; https://doi.org/10.3390/polym15030659 - 27 Jan 2023
Cited by 10 | Viewed by 2763
Abstract
A direct methanol fuel cell (DMFC) is an excellent energy device in which direct conversion of methanol to energy occurs, resulting in a high energy conversion rate. For DMFCs, fluoropolymer copolymers are considered excellent proton-exchange membranes (PEMs). However, the high cost and high [...] Read more.
A direct methanol fuel cell (DMFC) is an excellent energy device in which direct conversion of methanol to energy occurs, resulting in a high energy conversion rate. For DMFCs, fluoropolymer copolymers are considered excellent proton-exchange membranes (PEMs). However, the high cost and high methanol permeability of commercial membranes are major obstacles to overcome in achieving higher performance in DMFCs. Novel developments have focused on various reliable materials to decrease costs and enhance DMFC performance. From this perspective, cellulose-based materials have been effectively considered as polymers and additives with multiple concepts to develop PEMs for DMFCs. In this review, we have extensively discussed the advances and utilization of cost-effective cellulose materials (microcrystalline cellulose, nanocrystalline cellulose, cellulose whiskers, cellulose nanofibers, and cellulose acetate) as PEMs for DMFCs. By adding cellulose or cellulose derivatives alone or into the PEM matrix, the performance of DMFCs is attained progressively. To understand the impact of different structures and compositions of cellulose-containing PEMs, they have been classified as functionalized cellulose, grafted cellulose, acid-doped cellulose, cellulose blended with different polymers, and composites with inorganic additives. Full article
(This article belongs to the Special Issue Cellulose Nanocrystals and Cellulose-Based Materials: Synthesis, Characterization and Application)
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21 pages, 1094 KiB  
Review
Lignocellulosic Biomass as Sorbent for Fluoride Removal in Drinking Water
by Adriana Robledo-Peralta, Luis A. Torres-Castañón, René I. Rodríguez-Beltrán and Liliana Reynoso-Cuevas
Polymers 2022, 14(23), 5219; https://doi.org/10.3390/polym14235219 - 30 Nov 2022
Cited by 3 | Viewed by 2050
Abstract
Water supply to millions of people worldwide is of alarmingly poor quality. Supply sources are depleting, whereas demand is increasing. Health problems associated with water consumption exceeding 1.5 mg/L of fluoride are a severe concern for the World Health Organization (WHO). Therefore, it [...] Read more.
Water supply to millions of people worldwide is of alarmingly poor quality. Supply sources are depleting, whereas demand is increasing. Health problems associated with water consumption exceeding 1.5 mg/L of fluoride are a severe concern for the World Health Organization (WHO). Therefore, it is urgent to research and develop new technologies and innovative materials to achieve partial fluoride reduction in water intended for human consumption. The new alternative technologies must be environmentally friendly and be able to remove fluoride at the lowest possible costs. So, the use of waste from lignocellulosic biomasses provides a promising alternative to commercially inorganic-based adsorbents—published studies present bioadsorbent materials competing with conventional inorganic-based adsorbents satisfactorily. However, it is still necessary to improve the modification methods to enhance the adsorption capacity and selectivity, as well as the reuse cycles of these bioadsorbents. Full article
(This article belongs to the Special Issue Cellulose Nanocrystals and Cellulose-Based Materials: Synthesis, Characterization and Application)
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20 pages, 11950 KiB  
Review
Rare Earth Elements Uptake by Synthetic Polymeric and Cellulose-Based Materials: A Review
by Gabriel Salfate and Julio Sánchez
Polymers 2022, 14(21), 4786; https://doi.org/10.3390/polym14214786 - 07 Nov 2022
Cited by 7 | Viewed by 2326
Abstract
Contemporary industrial processes and the application of new technologies have increased the demand for rare earth elements (REEs). REEs are critical components for many applications related to semiconductors, luminescent molecules, catalysts, batteries, and so forth. REEs refer to a group of 17 elements [...] Read more.
Contemporary industrial processes and the application of new technologies have increased the demand for rare earth elements (REEs). REEs are critical components for many applications related to semiconductors, luminescent molecules, catalysts, batteries, and so forth. REEs refer to a group of 17 elements that have similar chemical properties. REE mining has increased considerably in the last decade and is starting an REE supply crisis. Recently, the viability of secondary REE sources, such as mining wastewaters and acid mine drainage (AMD), has been considered. A strategy to recover REEs from secondary water-related sources is through the usage of adsorbents and ion exchange materials in preconcentration steps due to their presence in low concentrations. In the search for more sustainable processes, the evaluation of synthetic polymers and natural source materials, such as cellulose-based materials, for REE capture from secondary sources should be considered. In this review, the chemistry, sources, extraction, uses, and environmental impact of REEs are briefly described to finally focus on the study of different adsorption/ion exchange materials and their performance in capturing REEs from water sources, moving from commercially available ion exchange resins to cellulose-based materials. Full article
(This article belongs to the Special Issue Cellulose Nanocrystals and Cellulose-Based Materials: Synthesis, Characterization and Application)
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