Open Access
ARTICLE
Nurhasnah1, Naresworo Nugroho1,*, Sarah Augustina2,*, Silvia Uthari Nuzaverra Mayang Mangurai3, Deazy Rachmi Trisatya1,2
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02026-0027
（This article belongs to the Special Issue: Densification of Wood and Biomass)
Abstract Randu wood is a fast-growing wood species with a low density, ranging from 0.21 to 0.28 g/cm3. This limits the utilization of this species, particularly for structural purposes. Improving the quality and strength of wood can be done by applying a densification process. The effectiveness of this process may be improved by applying in-situ delignification using peracetic acid as a pretreatment. Therefore, this study aimed to analyze the physical (moisture content and density), dimensional stability (TR-ratios, water absorption, and thickness swelling), spring-back (compression set, and compression-set recovery) and mechanical properties (Modulus of Rupture/MOR and Modulus of… More >
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Open Access
REVIEW
Alexey E. Shkuro1,*, Artyom V. Artyomov2, Victor G. Buryndin2, Anna S. Ershova2, Tatyana V. Yakubova3
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02025-0194
（This article belongs to the Special Issue: Process and Engineering of Lignocellulose Utilization)
Abstract Binder-free lignocellulosic boards and molded composites are gaining momentum as low-emission alternatives to conventional wood-based panels because they exploit intrinsic self-bonding of biomass under hot pressing. This review critically analyzes structure-formation pathways in binder-free composites, focusing on (i) thermo-mechanical softening and flow of lignin as a natural adhesive phase, (ii) auto-hydrolysis of hemicelluloses generating organic acids and reactive furanic intermediates, and (iii) subsequent condensation and crosslinking reactions that consolidate the network. We compare process routes historically associated with Masonite-type fiber processing and Lignoplast-type direct compaction, highlighting how moisture, temperature, pressure, sealing degree, and particle morphology More >
Open Access
ARTICLE
Irina N. Vikhareva*
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02026-0042
Abstract The development of efficient and migration-resistant plasticizers from renewable resources is an important challenge for the modern polymer industry. This work presents a thermodynamic approach for the rapid screening of novel bio-based plasticizers-esters of dicarboxylic acids. Using differential scanning calorimetry (DSC), the temperatures and enthalpies of melting and crystallization of the individual esters were determined, and the hysteresis of phase transition parameters was calculated as a predictive indicator. It is shown that bio-based butoxyethyl esters are characterized by low temperature hysteresis ΔT ~ 20°C and enthalpy hysteresis close to zero, indicating weak intermolecular interactions and… More >
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Open Access
REVIEW
Huan Long1, Emmanuel Abu-Danso1,2,*, Mônica Rufino Senra1,3, Leonid Ionov4, Jussi V. K. Kukkonen2, Holger Ruckdäschel1,5,*
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02025-0198
Abstract Polymeric scaffolds are now widely used in biomedical engineering to reconstruct tissues as well as other corrective medical applications. They are designed to promote the proliferation of the host cell and provide load-bearing capabilities. Through tailored fabrication methods and material compatibility, polymeric scaffolds can be applied either temporarily or permanently, and successful applications have resulted in commercialized products. Currently, there is a high interest in tissue scaffolds that combine both effective mechanical performance with efficient surface response functionalities. In this work, we performed an in-depth comparative analysis of tissue scaffolds made from renewable parent materials,… More >
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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
ARTICLE
Erman Taer1,*, Novi Yanti1, Asmarwati1, Apriwandi1, Abrar Ismardi2, Indra Wahyudhin Fathona2, Memoria Rosi2, Bidayatul Armynah3, Dahlang Tahir3, Ninis Hadi Haryanti4, Suryajaya4, Isnasyauqiah5, Ida Usman6, Julnaidi7, Rika Taslim8,*
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02026-0022
（This article belongs to the Special Issue: Renewable Nanostructured Porous Materials: Synthesis, Processing, and Applications)
Abstract The promotion of bio-carbon for developing superior electrodes has become a trending topic in realising the practical application of supercapacitor devices. This study aimed to prepare porous carbon (PC) with a taproot fiber-like nanostructure that was decorated with self-doped oxygen. The waste of red suren leaves (RSL) was further treated using a direct heating method with the catalyst effect of ZnCl2 (0.3, 0.5, and 0.7 M) in an N2/CO2 environment at 850°C, being examined. The results showed that RSL@PC-0.5 exhibited the best amorphous carbon structure (FWHM = 0.105° and 0.182°). The specific surface area (SSA =… More >
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Open Access
ARTICLE
Guilherme José Aguilar, Larissa Rodrigues Beitum, Ana Laura Garcia, Delia Rita Tapia-Blácido*
Journal of Renewable Materials, DOI:10.32604/jrm.2026.02026-0029
Abstract The search for sustainable alternatives to expanded polystyrene (EPS) has led to the development of starch-based foams reinforced with agro-industrial by-product. This study aimed to evaluate the effect of sugarcane bagasse ash (SBA) content on the physical, mechanical, and water-interaction properties of cassava starch foam trays, and to determine the maximum feasible ash content that could be incorporated. Sugarcane bagasse ash was collected from the boiler air preheater. Foam trays were prepared by thermopressing using cassava starch, guar gum, magnesium stearate, glycerol, and SBA at 0%, 2%, 5%, 8%, and 11%. The trays were characterized… More >
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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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