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Forests
Special Issues
Wood-Based Products and Renewable Materials
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Wood-Based Products and Renewable Materials

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Wood Science and Forest Products".

Deadline for manuscript submissions: closed (20 May 2022) | Viewed by 7503

Special Issue Editor

Dr. Arijit Sinha

E-Mail Website
Guest Editor
Department of Wood Science and Engineering, Oregon State University, Corvallis, OR 97331, USA
Interests: wood-based structural product development; mechanical property characterization; connection systems; code compliance

Special Issue Information

Dear Colleagues,

Products made out of renewable materials such as Wood and wood-based composites represent an enormous sector of the world economy. This sector has the potential to impact and inform the climate change and environmental impact discussion in multitude of ways due to its renewable nature, ability to sequester carbon, and ease of availability. Recent advances in wood and wood-based composites have led to new products that are optimized for their end-use. However, to be accepted in the industry with confidence research is needed to characterize all aspects of these products and their performance.

This Special Issue aims to present a collection of papers focusing on recent developments in wood, wood-based material, and other renewable material sectors. The papers may focus on but are not limited to, property characterization on novel composites, environmental impacts, new mass timber products, durability attributes, innovations in manufacturing, adhesive systems and coatings, and innovations in timber engineering. We encourage studies from all fields, including experimental studies, numerical modeling, monitoring approaches, literature reviews, and surveys, to be contributed to this Special Issue which we hope will lead to a compendium of new cutting-edge research in this sector.  

Dr. Arijit Sinha
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. Forests is an international peer-reviewed open access monthly 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

  • wood and wood-based composites
  • renewable material sector
  • novel composites
  • new mass timber products
  • durability attributes
  • timber engineering

Published Papers (3 papers)

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Research

17 pages, 3991 KiB  
Article
Characterization on the Copolymerization Resin between Bayberry (Myrica rubra) Tannin and Pre-Polymers of Conventional Urea–Formaldehyde Resin
by Jinda Peng, Xinyi Chen, Jun Zhang, Hisham Essawy, Guanben Du and Xiaojian Zhou
Forests 2022, 13(4), 624; https://0-doi-org.brum.beds.ac.uk/10.3390/f13040624 - 16 Apr 2022
Cited by 10 | Viewed by 2331
Abstract
By focusing on the disadvantages of weak water resistance and high formaldehyde emission of urea–formaldehyde resin (UF), this research provides a new method to overcome these shortages of UF resin by using tannin for partial substitution of urea. Furthermore, plasma pretreatment of wood [...] Read more.
By focusing on the disadvantages of weak water resistance and high formaldehyde emission of urea–formaldehyde resin (UF), this research provides a new method to overcome these shortages of UF resin by using tannin for partial substitution of urea. Furthermore, plasma pretreatment of wood was introduced to strengthen the bonding performance of plywood. The investigation of the chemical structure of UF resin and tannin–urea–formaldehyde resin (TUF) were performed with Fourier transform infrared spectroscopy (FT-IR) and solid-state 13C nuclear magnetic resonance (13C NMR). The results of investigations confirmed the joining of tannin into the resin structure, which may enhance structural rigidity of TUF adhesives and improve hydrolysis stability. Then, thermal performance of UF resin and TUF resins were tested by differential scanning calorimetry (DSC) and thermogravimetric (TG) analysis. The DSC results indicated that the curing temperature did not change significantly. However, the TG analysis showed that the thermal stability of TUF resin was considerably improved. In bonding performance test, tannin–urea–formaldehyde resin (TUF) revealed an excellent water resistance, comparable to UF resin and can fulfill the standard requirement for plywood (Type II according to the Norm GB/T 17657-2013). It is interesting that the shear strength of wood specimens, bonded with TUF6 resin, after low-pressure cold plasma equipment (CLP plasma) and jet type atmospheric low-temperature plasma (JTLP plasma) treatment, reached 0.80 MPa and 0.85 MPa, respectively, after being soaked in boiling water for 3 h. In addition, most of the bonded plywood samples with TUF resin exhibited a lower formaldehyde emission, especially those prepared at 70 °C and 1.5 h, in which the formaldehyde emission amount could be reduced by approximately 39%. Full article
(This article belongs to the Special Issue Wood-Based Products and Renewable Materials)
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11 pages, 1662 KiB  
Article
Use of Agave durangensis Bagasse Fibers in the Production of Wood-Based Medium Density Fiberboard (MDF)
by Oswaldo Moreno-Anguiano, Alain Cloutier, José Guadalupe Rutiaga-Quiñones, Christian Wehenkel, Rigoberto Rosales-Serna, Pamela Rebolledo, Claudia E. Hernández-Pacheco and Artemio Carrillo-Parra
Forests 2022, 13(2), 271; https://0-doi-org.brum.beds.ac.uk/10.3390/f13020271 - 08 Feb 2022
Cited by 11 | Viewed by 2892
Abstract
There is an increasing interest in using non-wood lignocellulosic materials for the production of wood-based medium density fiberboard (MDF). Agave durangensis Gentry bagasse is a waste product produced in large quantities in the mezcal industry. This study evaluated the incorporation of A. durangensis [...] Read more.
There is an increasing interest in using non-wood lignocellulosic materials for the production of wood-based medium density fiberboard (MDF). Agave durangensis Gentry bagasse is a waste product produced in large quantities in the mezcal industry. This study evaluated the incorporation of A. durangensis bagasse fibers (ADBF) to elaborate MDF wood-based panels. Three types of panels with different ratios (wood fibers: bagasse fibers) were investigated. The ratios evaluated were 100:0, 90:10, and 70:30. The density profiles, water absorption, and thickness swell of the panels were determined, as well as the modulus of elasticity (MOE), modulus of rupture (MOR), and internal bond (IB), according to the ASTM D1037-06a standard. The results were compared to the ANSI A208.2-2016 standard. The effect of the addition of ADBF on the properties of the panels was analyzed. Density profiles were comparable among the three types of panels, while water absorption, thickness swelling, MOE, MOR, and IB were similar between panels with ratios of 100:0 and 90:10. Panels with 10% and 30% of ADBF meet the minimum ANSI requirements for quality grade 115. It is feasible to use up to 30% of ADBF in the manufacture of wood-based MDF panels. Full article
(This article belongs to the Special Issue Wood-Based Products and Renewable Materials)
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10 pages, 2520 KiB  
Article
Analysis of Factors Affecting Creep of Wood–Plastic Composites
by Li Feng and Weiren Xie
Forests 2021, 12(9), 1146; https://0-doi-org.brum.beds.ac.uk/10.3390/f12091146 - 25 Aug 2021
Cited by 3 | Viewed by 1649
Abstract
Wood–plastic composite (WPC) materials are mainly used as flooring in buildings or as structural load-bearing plates, and will undergo creep deformation during use, resulting in structural failure and safety problems. Therefore, this work adopted the orthogonal test method to carry out creep tests [...] Read more.
Wood–plastic composite (WPC) materials are mainly used as flooring in buildings or as structural load-bearing plates, and will undergo creep deformation during use, resulting in structural failure and safety problems. Therefore, this work adopted the orthogonal test method to carry out creep tests on wood–plastic composites. We used the range method and variance analysis method to process the creep data and analyze the influence of the load, temperature, and relative humidity on the creep strain in specimens of wood–plastic composites. The results showed that the creep strain of the WPC specimens changed significantly with a change in the load stress, while a change in relative humidity had no significant effect on the creep strain. When the relative humidity was increased from 55% to 65%, the creep strain increased by 0.03%, but when the temperature was increased from 30 °C to 35 °C, there was no significant difference in the creep strain. However, when the temperature was increased from 30 °C to 40 °C and from 35 °C to 40 °C, a significant difference in the creep strain of the WPC specimens was observed. Full article
(This article belongs to the Special Issue Wood-Based Products and Renewable Materials)
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