Tati Karliati, Rudi Dungani, Anne Hadiyane, Wahyu Hidayat, Nita Nur Rezkia, Muhammad Adly Rahandi Lubis
Particleboard (PB) is mainly produced using formaldehyde-based adhesives, which release hazardous formaldehyde emissions. Thus, replacing those adhesives is necessary to support the Sustainable Development Goals No. 12 (responsible consumption and production) and 13 (climate action). In this study, low-quality gum rosin (GR) was upcycled into PB adhesive, and its adhesion performance and hydrolytic stability were enhanced with the addition of maleic anhydride (MA) and polymeric 4,4-methylene diphenyl diisocyanate (pMDI). Sawdust was used as a raw material for the sustainable PB production. The GR was dissolved in an organic solvent at 70% w/v. MA and pMDI were incorporated into the GR solution at different levels (2–15%) to produce a cross-linked adhesive for PB. GR-bonded PB panels were fabricated at 150°C for 10 min at 20% and 30% adhesive content. Adhesive properties, adhesion performance, and hydrolytic stability of GR-bonded PB were investigated according to the standard. Adding MA and pMDI increased the solids content, specific gravity, and viscosity of the adhesive, which influenced the adhesion performance and hydrolytic stability of PB. Statistical analysis revealed that adding 15% pMDI could produce a high-performance PB panel without formaldehyde emission. This study suggests that GR-pMDI adhesive has potential as an alternative PB adhesive. © 2026 Taylor & Francis Group, LLC.
School of Life Sciences and Technology, Institut Teknologi Bandung, Bandung, Indonesia; Department of Forestry, Faculty of Agriculture, University of Lampung, Bandar Lampung, Indonesia; Agro-Industrial Technology Education, Faculty of Engineering and Industrial Education, Universitas Pendidikan Indonesia, Bandung, Indonesia
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