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Recent Developments in Bio-Based Particleboards and Fiberboards
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Recent Developments in Bio-Based Particleboards and Fiberboards

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

Deadline for manuscript submissions: 10 May 2024 | Viewed by 1743

Special Issue Editor

Dr. Philippe Evon

E-Mail Website
Guest Editor
Laboratory of Agro-industrial Chemistry (LCA), Toulouse INP-ENSIACET, Toulouse, France
Interests: green chemistry; materials chemistry; polymer chemistry; biorefinery; twin-screw extrusion; biopolymers; biocomposites; molding processes
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue, “Recent developments in bio-based particleboards and fiberboards”, aims to collate the latest research on particleboards and fiberboards made from renewable resources.

Plant fibers have many advantages. They are abundant, cheap, and have a relatively minimal impact on the environment. Whether thermoplastics or thermosets, binders can also be of biosourced origin.

Bio-based particleboards and fiberboards can thus be independent from fossil resources, having the advantage of being low VOC emitters. In particular, the replacement of formaldehyde-based resins with natural binders makes them more conducive to the environment and human health.

This Special Issue will be of interest to producers of fiberboards and particleboards, as we aim to market more environmentally friendly materials in the future.

The topics of interest for this Special Issue include (but are not limited to) the following:

  • The origin of natural fibers and binders;
  • Fiber preparation;
  • Mixture preparation and molding;
  • Waterproofing strategies (at the moment of molding or as a post-treatment);
  • Thermo-mechanical performance (including in a humid environment);
  • VOC emissions;
  • Uses, including exterior ones (g., furniture, packaging, construction, etc.);
  • Aging;
  • Biodegradability at end of life;
  • Life cycle assessment.

Dr. Philippe Evon
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. 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

  • plant fibers
  • natural binders
  • particleboards and fiberboards
  • molding processes
  • thermo-mechanical performance
  • VOC emissions
  • end of life
  • life cycle assessment

Published Papers (3 papers)

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Research

20 pages, 4800 KiB  
Article
Polyhydroxy-3-Butyrate (PHB)-Based Composite Materials Reinforced with Cellulosic Fibers, Obtained from Barley Waste Straw, to Produce Pieces for Agriculture Applications: Production, Characterization and Scale-Up Analysis
by Helena Oliver-Ortega, Philippe Evon, Francesc Xavier Espinach, Christine Raynaud and José Alberto Méndez
Materials 2024, 17(8), 1901; https://doi.org/10.3390/ma17081901 - 19 Apr 2024
Viewed by 301
Abstract
Cellulosic fibers obtained from Barley straw were utilized to reinforce PHB. Four different processed fibers were employed as reinforcing material: sawdust (SW), defibered (DFBF), delignified (DBF), and bleached (BBF) fibers. The composite was processed from two different perspectives: a discontinuous (bach) and an [...] Read more.
Cellulosic fibers obtained from Barley straw were utilized to reinforce PHB. Four different processed fibers were employed as reinforcing material: sawdust (SW), defibered (DFBF), delignified (DBF), and bleached (BBF) fibers. The composite was processed from two different perspectives: a discontinuous (bach) and an intensification process (extrusion). Once processed and transformed into final shape specimens, the materials were characterized by mechanical testing (tensile mode), scanning electron microscopy, and theoretical simulations by finite elements analysis (FEA). In terms of mechanical properties, only the elastic moduli (Et) exhibited results ranging from 37% to 170%, depending on the reinforcement composition. Conversely, strengths at break, under both tensile and bending tests, tended to decrease, indicating poor affinity between the components. Due to the mechanical treatment applied on the fiber, DFBF emerged as the most promising filler, with mechanical properties closest to those of neat PHB. DFBF-based composites were subsequently produced through process intensification using a twin-screw extruder, and molded into flowerpots. Mechanical results showed almost identical properties between the discontinuous and intensification processes. The suitability of the material for agriculture flowerpots was demonstrated through finite analysis simulation (FEA), which revealed that the maximum von Mises stresses (5.38 × 105 N/m2) and deformations (0.048 mm) were well below the limits of the composite materials. Full article
(This article belongs to the Special Issue Recent Developments in Bio-Based Particleboards and Fiberboards)
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22 pages, 13428 KiB  
Article
Influence of Thermocompression Conditions on the Properties and Chemical Composition of Bio-Based Materials Derived from Lignocellulosic Biomass
by Julie Cavailles, Guadalupe Vaca-Medina, Jenny Wu-Tiu-Yen, Jérôme Peydecastaing and Pierre-Yves Pontalier
Materials 2024, 17(8), 1713; https://doi.org/10.3390/ma17081713 - 09 Apr 2024
Viewed by 435
Abstract
The aim of this study was to assess the influence of thermocompression conditions on lignocellulosic biomasses such as sugarcane bagasse (SCB) in the production of 100% binderless bio-based materials. Five parameters were investigated: pressure applied (7–102 MPa), molding temperature (60–240 °C), molding time [...] Read more.
The aim of this study was to assess the influence of thermocompression conditions on lignocellulosic biomasses such as sugarcane bagasse (SCB) in the production of 100% binderless bio-based materials. Five parameters were investigated: pressure applied (7–102 MPa), molding temperature (60–240 °C), molding time (5–30 min), fiber/fine-particle ratio (0/100–100/0) and moisture content (0–20%). These parameters affected the properties and chemical composition of the materials. The density ranged from 1198 to 1507 kg/m3, the flexural modulus from 0.9 to 6.9 GPa and the flexural strength at breaking point from 6.1 to 43.6 MPa. Water absorption (WA) and thickness swelling (TS) values ranged from 21% to 240% and from 9% to 208%, respectively. Higher mechanical properties were obtained using SCB with fine particles, low moisture content (4–10%) and high temperature (≥200 °C) and pressure (≥68 MPa), while water resistance was improved using more severe thermocompression conditions with the highest temperature (240 °C) and time (30 min) or a higher moisture content (≥12.5%). Correlations were noted between the mechanical properties and density, and the material obtained with only fine particles had the highest mechanical properties and density. Material obtained with a 30 min molding time had the lowest WA and TS due to internal chemical reorganization followed by hemicellulose hydrolysis into water-soluble extractables. Full article
(This article belongs to the Special Issue Recent Developments in Bio-Based Particleboards and Fiberboards)
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13 pages, 2638 KiB  
Article
Development of a Binderless Particleboard from Brown Seaweed Sargassum spp.
by Jérôme Bauta, Guadalupe Vaca-Medina, Christine Delgado Raynaud, Valérie Simon, Virginie Vandenbossche and Antoine Rouilly
Materials 2024, 17(3), 539; https://doi.org/10.3390/ma17030539 - 23 Jan 2024
Cited by 1 | Viewed by 721
Abstract
Since 2010, huge quantities of Sargassum spp. algae have been proliferating in the Atlantic Ocean and stranding on Caribbean beaches, causing major economic, environmental, and health problems. In this study, an innovative high-density binderless particleboard was developed using uniaxial thermo-compression coupled with a [...] Read more.
Since 2010, huge quantities of Sargassum spp. algae have been proliferating in the Atlantic Ocean and stranding on Caribbean beaches, causing major economic, environmental, and health problems. In this study, an innovative high-density binderless particleboard was developed using uniaxial thermo-compression coupled with a cooling system. The raw material consisted of ground Sargassum seaweeds pre-treated by twin-screw extrusion with water to remove sea salt. The raw material and the particleboards were produced by using various analytical techniques such as Dynamic Vapor Sorption (DVS), Differential Scanning Calorimetry (DSC), Dynamic Mechanical Analysis (DMA), or Thermogravimetric Analysis (TGA). The experimental conditions for thermo-compression (temperature, pressure, time) were evaluated. The best thermo-compression conditions tested were 200 °C, 40 MPa pressure for 7.5 min. This resulted in a particleboard with high density (up to 1.63 ± 0.02 g/cm3) and high flexural strength/modulus (up to 32.3 ± 1.8 MPa/6.8 ± 0.2 GPa, respectively), but a low water contact angle of 38.9° ± 3.5°. Thermal analyses revealed the effect of alginates on the mechanical properties of particleboards. This work opens the door to a new way of adding value to Sargassum seaweed, using the whole algae with minimal pre-treatment. Full article
(This article belongs to the Special Issue Recent Developments in Bio-Based Particleboards and Fiberboards)
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