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Materials
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Innovative Lignocellulosic Materials for a Sustainable Environment
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Innovative Lignocellulosic Materials for a Sustainable Environment

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Green Materials".

Deadline for manuscript submissions: closed (20 November 2023) | Viewed by 2291

Special Issue Editors

Dr. Dorota Dukarska

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Guest Editor
Department of Mechanical Wood Technology, Faculty of Forestry and Wood Technology, Poznań University of Life Sciences, Poznań, Poland
Interests: wood sciences and technology; wood-based materials; lignocellulosic composites; adhesives; adhesives modification; bio-based adhesives; formaldehyde emission; construction and insulation wood-based materials; PUR foams
Special Issues, Collections and Topics in MDPI journals
Dr. Jakub Kawalerczyk

E-Mail Website
Guest Editor
Department of Mechanical Wood Technology, Faculty of Forestry and Wood Technology, Poznan University of Life Sciences, Poznan, Poland
Interests: glulam beams; adhesives; wood-based materials; mechanical properties; timber properties; wood defects
Special Issues, Collections and Topics in MDPI journals
Dr. Joanna Walkiewicz

E-Mail Website
Guest Editor
Department of Mechanical Wood Technology, Poznan University of Life Sciences, Poznan, Poland
Interests: adhesives modification; adhesion; glulam beams; wood protection; layered composites; formaldehyde emissions
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent times, the idea of sustainable development has become one of the most important factors enabling the introduction of eco-innovation into various branches of industry and everyday life. The concept of sustainable development requires, among other things, that we reduce the consumption of both non-renewable and renewable resources, eliminate from production processes the use substances harmful to the environment and human health, protect biodiversity and strive to provide society with a sense of security and general well-being. For this reason, the introduction of the idea of sustainable development is one of the top priorities of the timber industry. Activities in accordance with this concept focus on the sustainable management of wood raw materials, aiming to avoid their degradation and the excessive reduction of their resources. It becomes important, therefore, to make rational use of existing wood resources as well as to acquire new raw materials that can be a full-value substitute for wood raw material. Therefore, the purpose of this Special Issue is to present the latest research in the field of manufacturing technology process, efficiency and cost reduction. Assitionally, we should seek to outline the properties of environmentally friendly lignocellulosic materials and composites, produced in accordance with the idea of sustainable development and intended for use in the production of furniture, interior design elements and construction. Other desirable and relevant paper topics include the material substitution of wood raw material with agricultural or food industry waste and recycled waste, the extraction of by-products from primary wood processing, the production of eco-friendly and formaldehyde-free adhesives on the basis of biopolymers and improvement of their adhesive properties through their modification, and the physical–mechanical properties of lignocellulosic composites.

We look forward to receiving your contributions. 

Dr. Dorota Dukarska
Dr. Jakub Kawalerczyk
Dr. Joanna Walkiewicz
Guest Editors

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. Materials 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 2600 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

  • sustainability
  • eco-innovations
  • wood substitution
  • lignocellulosic raw material
  • waste and by-products in the production of lignocellulosic composites
  • recycling and recovery of materials from composite products and their application in the production of lignocellulosic composites
  • bio-based adhesives and their modification
  • formaldehyde-free adhesives
  • properties and durability of lignocellulosic composites

Published Papers (2 papers)

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Research

14 pages, 1895 KiB  
Article
Thermal and Mechanical Properties of Biocomposites Based on Polylactide and Tall Wheatgrass
by Cezary Gozdecki, Krzysztof Moraczewski and Marek Kociszewski
Materials 2023, 16(21), 6923; https://doi.org/10.3390/ma16216923 - 28 Oct 2023
Viewed by 855
Abstract
Biocomposites based on polylactic acid (PLA), tall wheatgrass (TWG), and hemp (H) were made by injection molding. The article discusses the impact of the agrofiller content on the composite properties, including thermal (DSC, DMA, and TG) and mechanical characteristics (tensile modulus, tensile strength, [...] Read more.
Biocomposites based on polylactic acid (PLA), tall wheatgrass (TWG), and hemp (H) were made by injection molding. The article discusses the impact of the agrofiller content on the composite properties, including thermal (DSC, DMA, and TG) and mechanical characteristics (tensile modulus, tensile strength, and impact strength). Generally, the introduction of a plant filler into the polylactide matrix reduced the thermal resistance of the resulting composites. Plant fillers influenced primarily the cold crystallization process, probably due to their nucleating properties. The addition of fillers to the PLA matrix resulted in an increased storage modulus across all tested temperatures compared to pure PLA. In the case of a composite with 50% of plant fillers, it was almost 118%. The mechanical properties of the tested composites depended significantly on the amount of plant filler used. It was observed that adding 50% of plant filler to PLA led to a twofold increase in tensile modulus and a decrease in tensile strength and impact strength by an average of 23 and 70%, respectively. It was determined that composites incorporating tall wheatgrass (TWG) particles exhibited a slightly elevated tensile modulus while showcasing a marginally reduced strength and impact resistance in comparison to composites containing hemp (H) components. Full article
(This article belongs to the Special Issue Innovative Lignocellulosic Materials for a Sustainable Environment)
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12 pages, 6435 KiB  
Article
Properties of Particle Boards Containing Polymer Waste
by Marcin Kuliński, Joanna Walkiewicz, Dorota Dukarska, Dorota Dziurka and Radosław Mirski
Materials 2023, 16(13), 4774; https://doi.org/10.3390/ma16134774 - 01 Jul 2023
Cited by 1 | Viewed by 1101
Abstract
Nowadays, a significant increase in interest in renewable energy sources can be observed. Wind farms have been one of the solutions representing this trend for many years. One of the important elements of windmills is the blades. The data indicate that what to [...] Read more.
Nowadays, a significant increase in interest in renewable energy sources can be observed. Wind farms have been one of the solutions representing this trend for many years. One of the important elements of windmills is the blades. The data indicate that what to do with the blades after their use is a global problem, and so it is important to find a way to recycle them. Hence, this work aimed to use these blades in the production of wood-based materials. Two fractions of a fragmented blade were used for the tests: a small one and large one. Boards characterized by densities of 650 kg/m3 and 700 kg/m3 were produced, in which the assumed substitution of the wood material with a polymer was 20% or 40%. Mechanical properties such as bending strength (MOR), modulus of elasticity (MOE), and internal bond strength (IB) were investigated. The 2S65 variant achieved the highest static bending strength and a modulus of elasticity of 2625 N/mm2. The second best result was noted for the 4S65 variant, which was significantly different from the 2S65 variant. In the case of the variants with a density of 700 kg/m3, no significant differences were found and their results were significantly lower. Moreover, research on thickness swelling (TS) after 24 h of immersion and water absorption (WA) were also conducted. The obtained results indicate that the manufactured boards are characterized by good physical and mechanical properties. Full article
(This article belongs to the Special Issue Innovative Lignocellulosic Materials for a Sustainable Environment)
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