Open Access
ARTICLE
Martha L. Sánchez1,*, Juan E. Lasso1, G. Capote2
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02026-0086
Abstract The behavior of 3D-printed biocomposites as substitutes for products made with plant fibers depends on the factors involved during the printing process. This study focuses on the use of a predictive model to evaluate the effect of printing parameters on the physical and mechanical properties of biocomposites printed with PLA filaments reinforced with vegetal pulverized fibers. During fabrication, the following factors were varied: reinforced filament type, build orientation, layer height, infill density, and infill pattern. The physical and mechanical properties of the printed specimens (density, absorption capacity, swelling percentage, rupture modulus, and flexural elasticity modulus)… More >
Graphic Abstract
Open Access
ARTICLE
Supachai Pisuchpen1,*, Tanyawan Suwandecha1, Ponusa Jitphuthi1, Somporn Nilmanee1, Wirongrong Tongdeesoontorn2, Thatsanee Luangharn3
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02026-0036
Abstract The environmental burden of petroleum-based cushioning materials has driven the search for sustainable, bioderived alternatives. This study developed mycelium-based biofoams from locally available agro-industrial residues, rubberwood sawdust, and grass jelly pulp using Pleurotus ostreatus, Lentinus squarrosulus, and Ganoderma lucidum. The effects of nutritional supplementation, substrate morphology, and processing conditions on growth behavior and material performance were systematically investigated. Nutritional supplementation significantly enhanced fungal colonization, with bran increasing the growth rate of L. squarrosulus to 17.0 mm/day and promoting dense, interconnected hyphal networks. Substrate morphology governed the resulting foam structure and properties: surface wood sawdust (SW) produced compact biofoams with… More >
Graphic Abstract
Open Access
ARTICLE
Junbo Cheng, Zhengmin Jin, Zhipeng Zhu, Yingchun Cai, Jingyao Zhao*
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02026-0092
Abstract To investigate the effects of different high-temperature drying-set treatment processes on the drying characteristics of 120 mm thick Scots pine (Pinus sylvestris var. mongolica) square timber, six drying schedules were designed. Temperature and moisture content distribution, drying rate, checking behavior, and residual stress variations were measured and analyzed. The results showed that a surface temperature exceeding 100°C during the drying-set stage was essential for promoting effective surface shrinkage and forming a stable drying-set layer. The 105°C treatment failed to achieve this condition, resulting in severe surface checking. In contrast, the 120°C treatment provided suitable conditions for forming… More >
Open Access
REVIEW
Jia Li*, Siyuan Liu, Zixuan Guo
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02026-0045
Abstract Oil spill accidents and extensive industrial oily wastewater discharge pose severe threats to aquatic ecosystems and public health. Membrane-based separation technology has emerged as a core technology for treating oily wastewater. However, conventional petroleum-derived materials suffer from inherent limitations, including non-renewability, poor biodegradability, and high risks of secondary environmental contamination. Bio-based polymers represent a competitive alternative in oil/water separation due to their renewability, biodegradability, and versatile sources. Interfacial engineering serves as the core strategy for optimizing their high performance and multifunctionality. In this review, the fundamental interfacial chemistry theories of oil/water separation are systematically elaborated More >
Open Access
ARTICLE
Weijia Yang1, Yongli Yang1, Wenhe Bi1, Mengdi Chen1, Zhongqiang Che1, Bertrand Charrier2, Hisham Essawy3, Antonio Pizzi4, Xiaojian Zhou1,*, Xinyi Chen1,*
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02026-0050
Abstract Developing high-performance bio-based wood adhesives to replace conventional petroleum-based adhesives is an urgent issue in the field of wood adhesives. However, existing bio-based adhesives suffer from complex fabrication processes, poor water resistance, and a lack of functionality. Herein, a phytic acid/chitosan adhesive featuring both water resistance and flame retardancy was developed through the one-step dissolution of chitosan. Phosphate esterification and phosphoramidation reactions occurred during hot pressing, as evidenced by FT-IR and XPS analyses, forming a three-dimensional crosslinked network composed of P-O-C and P-N bonds. This crosslinked network effectively enhanced the mechanical properties and water resistance… More >
Graphic Abstract
Open Access
ARTICLE
Matilde Oliveira1, Vítor Neves2, Mariana Banea1,*
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02026-0063
Abstract Natural fibre-reinforced composites are increasingly being considered as sustainable alternatives to synthetic composites for lightweight automotive applications. The aim of this study was to evaluate the influence of flax fibre architecture and areal weight on the mechanical, morphological, and thermal performance of epoxy-based composites. Laminates were manufactured by vacuum bagging using twill 2/2 and biaxial flax fabrics with areal weights of 200, 250, 350, and 400 g/m2. Mechanical properties were assessed through tensile, flexural, and Charpy impact tests, while fracture mechanisms were analysed by scanning electron microscopy (SEM). Thermal behaviour was evaluated using thermogravimetric analysis (TGA)… More >
Graphic Abstract
Open Access
ARTICLE
Laura Silva1, Cláudio Del Menezzi1,*, Paula Dornelles1,2
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02026-0052
Abstract This study investigated the effect of bamboo fiber (BF) content on properties of polylactic acid (PLA) composites, using polypropylene (PP) as a control for comparative purposes. Initially, the BF was evaluated in four particle sizes (300, 200, 90, and 50 μm) through dynamic mechanical analysis to identify the most suitable particle size regarding viscoelastic behavior. The 50 μm fiber was selected based on a multi-criteria approach balancing interfacial restriction, structural stiffness, and microstructural homogeneity. Subsequently, the 50 μm fibers were combined with PLA and PP polymers in different polymer/fiber ratios, corresponding to 85%/15%, 70%/30%, and… More >
Graphic Abstract
Open Access
ARTICLE
Mona A. El-Sabour, Mohamed El-Sakhawy*, Hebat-Allah S. Tohamy
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02026-0030
Abstract Paper ages naturally by heat, oxidation, and hydrolysis, which cause a progressive loss of mechanical strength. This study achieved a high yield of 93% amorphous SiO2 from rice husk waste through controlled calcination at 450°C (3 h) and 800°C (2 h), alkaline extraction with 2.5 N NaOH, acid precipitation with 1 N HCl and freeze-drying. The resulting nano-silica particles were incorporated into a 3% w/v hydroxyethyl cellulose (HEC) binder to prepare a 2% w/v impregnation solution, which was applied to paper sheets by soaking for 0–20 min. Structural analyses (FTIR, XRD, SEM) confirmed the successful preparation… More >
Open Access
ARTICLE
Haniffudin Nurdiansah1,*, Joko Setyo Wibowo1, Retno Asih2,*, Diah Susanti1, Rindang Fajarin1, Azzah Dyah Pramata1, Amaliya Rasyida1, Lukman Noerochim1, Isao Watanabe3, Darminto2
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02026-0031
（This article belongs to the Special Issue: Nanocellulose for Sustainable Material Applications: Emerging Biodegradable Materials and Nanocomposites)
Abstract A synergistic effect of adsorption and photocatalysis provides a key role ensuring high degradation efficiency. In this study, nanocellulose (nC) derived from oil palm empty fruit bunch (OPEFB) via delignification followed by acid hydrolysis was combined with CuO for methylene blue (MB) removal through a two-stage process: adsorption followed by photocatalysis. The nC content varied at 5%, 15%, and 25% by mass. Structural analyses revealed successful extraction of nC from OPEFB, with particle sizes of 260–310 nm, a surface area of 2.3 m2/g, and a pore diameter of 9.5 nm. The incorporation of nC improves CuO More >
Open Access
REVIEW
Harmiansyah1,2,3, Muhammad Asyraf Muhammad Rizal1,2,4,5,*, Mohd Yazid Yahya1,2,5, Rushdan Ahmad Ilyas1,4,5,6, Melbi Mahardika5,7
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02025-0207
Abstract Kenaf fibre has attracted increasing attention as a sustainable reinforcement material for polymer composites, particularly for applications in marine environments where lightweight structures, corrosion resistance, and environmental compatibility are essential. This review critically examines the current state of research on kenaf fibre–reinforced composites for marine applications, focusing on their mechanical performance, environmental durability, processing methods, and sustainability potential. Existing studies consistently indicate that kenaf fibres offer favourable strength-to-weight ratios, low density, and renewable characteristics, making them promising alternatives to conventional synthetic reinforcements. Surface modification techniques, including alkaline and silane treatments, have been widely reported to… More >
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