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All Journal Jurnal Ilmu dan Teknologi Kayu Tropis Jurnal Penelitian Hasil Hutan
Sukma S Kusumah
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Agriculture, Biological Sciences & Forestry Decision Sciences, Operations Research & Management Materials Science & Nanotechnology

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Fiber and Chemical Characteristics of Branchwoods of Three Meranti Species Danang S Adi; Lucky Risanto; Ika Wahyuni; Sukma S Kusumah; Wahyu Dwianto; Taka Hayashi
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 9, No 2 (2011): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (325.964 KB) | DOI: 10.51850/jitkt.v9i2.137

Abstract

The fiber and chemical characteristics of branchwoods of three meranti species namely meranti sangkan, meranti bakau, and meranti bunga kulit hitam from Bukit Batu Peat Swamp Forest, Riau were observed. The aim of this research was to discover the potential utilization of these three meranti species based on their characteristic. The result showed that holocellulose contents of meranti sangkan, meranti bakau, and meranti bunga kulit hitam were 72.97%, 75.28%, and 69.88%, whereas the α-cellulose contents were 43.55%, 51.14%, and 43.25%, respectively. meranti sangkan had the highest lignin content (35.99%) followed by meranti bakau (34.21%) and meranti bunga kulit hitam (32.18%). meranti Bunga kulit Hitam had the highest extractive content (2.24%) followed by meranti sangkan (1.66%) and meranti bakau (1.08). Furthermore, the fiber length of meranti bunga kulit hitam, meranti sangkan, and meranti and meranti Hitam were 1475.45 μm, 1475.45 μm, 1442.62 μm, and 1205.23 μm, respectively. The values of fiber derivative of the three meranti species were slightly differ from class I, except for felting power that was classified in class III. The result also showed that the branchwoods of the three meranti species are suitable for pulp and paper raw material.Key words: fiber and chemical properties, meranti bakau, meranti sangkan, meranti bunga kulit hitam, peat swamp forest
KARAKTERISTIK PAPAN PARTIKEL CAMPURAN LIMBAH KAYU SENGON DAN BAGAS SORGUM MENGGUNAKAN PEREKAT ASAM SITRAT Jajang Sutiawan; Suci Mardhatillah; Dede Hermawan; Firda A Syamani; Subyakto; Sukma S Kusumah
Jurnal Penelitian Hasil Hutan Vol. 38 No. 3 (2020): Jurnal Penelitian Hasil Hutan
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20886/jphh.2020.38.3.139-150

Abstract

Waste of sengon wood could be used as an alternative material in the manufacture of particleboards. However,particleboards made from sengon has seome inferior physical and mechanical properties, which did not meet the Japanesestandard (JIS A 5908: 2003). The aim of this research is to improve the physical and mechanical properties ofsengon particleboard using sorghum bagasse in various raw material composition using citric acid adhesives. Citric acidwas used as a binding agent with 20% adhesive content based on the weight of the air-dried particle. Compositionof fiber mixtures between sengon and bagasse sorghum were set in 100:0, 75:25, 50:50, and 25:75 wt.%. Thetargetted density of particleboard was set at 0.80 g/cm3. The hot-pressing conditions of particleboard manufacturingwere 200°C for 10 min. The physical and mechanical properties of the particleboards were evaluated according toJIS A 5908: 2003 standard. The results showed that the density, moisture content, thickness swelling, modulus ofelasticity, modulus of rupture and internal bond met the requirements of the JIS A 5908-2003 standard. Thus, theadditional of bagasse sorghum becomes an alternative way to enhance the physical and mechanical properties of sengonparticleboard. The addition 75% bagasse sorghum had better moisture content, water absorption, thickness swelling,modulus of elasticity, and modulus of rupture of particleboard.
Co-Authors Danang S Adi Dede Hermawan Firda A Syamani Ika WAHYUNI Jajang Sutiawan Lucky Risanto Subyakto Suci Mardhatillah Taka Hayashi Wahyu DWIANTO