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Gopar, Mohamad
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Agriculture, Biological Sciences & Forestry

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UTILIZATION OF CITRIC ACID AS BONDING AGENT IN SEMBILANG BAMBOO (Dendrocalamus giganteus Munro) PARTICLEBOARD PRODUCTION A. Syamani, Firda; Z. Arifqi, Agus; S. Munawar, Sasa; Sudarmanto, Sudarmanto; Astari, Lilik; W. Prasetiyo, Kurnia; Gopar, Mohamad; Ismadi, Ismadi; S. Kusumah, Sukma; H. Hussin, Mohd.; Subyakto, Subyakto; S. Hadi, Yusuf; Umemura, Kenji
Indonesian Journal of Forestry Research Vol. 9 No. 1 (2022): Indonesian Journal of Forestry Research
Publisher : Association of Indonesian Forestry and Environment Researchers and Technicians

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59465/ijfr.2022.9.1.99-120

Abstract

Citric acid was utilized as a bonding agent in the production of Sembilang bamboo particleboard. The limitation in using bamboo for particleboard production is that the silica content in bamboo skin can accelerate particleboard processing machines' bluntness and reduce particle adherence in particleboard manufacturing. This research aimed to investigate the influence of bamboo skin and citric acid content on the characteristics of Sembilang bamboo particleboard. Particleboards were prepared using bamboo particles (type A) and unskinned bamboo particles (type B). The citric acid solution (59%) was sprayed over the surface of bamboo particles to obtain three different levels of citric acid, i.e., 15, 20, and 25 % (based on bamboo particles’ dry weight). The Sembilang bamboo particleboards were manufactured using a hot-pressing machine at 200°C, 5 MPa for 10 min. The particleboard targeted density was 0.8 g/cm3. The type B particleboards’ internal bond (IB), modulus of rupture (MOR), water absorption (WA), and thickness swelling (TS) were superior compared to the type A particleboards. This was influenced by the lower concentration of silica in type B particleboards, which tend to allow an intimate contact area among particles and citric acid then produced better quality particleboards compared to type A particleboards. The type B particleboards met the obligation of JIS A 5908 for type 18 particleboard in terms of modulus of rupture, modulus of elasticity, and internal bond, however, only fulfilled the type 8 particleboard in terms of screw holding power.
Co-Authors A. Syamani, Firda Akbar, Fazhar Astari, Lilik H. Hussin, Mohd. Ismadi Ismadi Kenji Umemura Kusumah, Sukma Surya Purnomo, Deni S. Hadi, Yusuf S. Kusumah, Sukma S. Munawar, Sasa Sejati, Prabu Satria Subyakto Subyakto Sudarmanto Sudarmanto, Sudarmanto Triwibowo, Dimas W. Prasetiyo, Kurnia Wahyu DWIANTO Yusup AMIN Z. Arifqi, Agus