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Contact Name
Dr. Ratih Damayanti
Contact Email
ratih_turmuzi@yahoo.com
Phone
+622187914511
Journal Mail Official
ejournal_wrj@gmail.com
Editorial Address
Research Center for Biomaterials,Indonesian Institute of Sciences Jl. Raya Bogor Km 46, Cibinong, Bogor 16911, Indonesia
Location
Unknown,
Unknown
INDONESIA
Wood Research Journal : Journal of Indonesian Wood Research Society
ISSN : 20873840     EISSN : 27749320     DOI : 10.51850/wrj
Core Subject : Agriculture,
Wood Research Journal is the official journal of the Indonesian Wood Research Society. This journal is an international medium in exchanging, sharing and discussing the science and technology of wood. The journal publishes original manuscripts of basic and applied research of wood science and technology related to Anatomy, Properties, Quality Enhancement, Machining, Engineering and Constructions, Panel and Composites, Entomology and Preservation, Chemistry, Non Wood Forest Products, Pulp and Papers, Biomass Energy, and Biotechnology. Besides that, this journal also publishes review manuscripts which topics are decided by the Editors.
Articles 5 Documents
Search results for , issue "Vol 13, No 1 (2022): Wood Research Journal" : 5 Documents clear
Synergistic effect of alcohols, ketone and water on the yield of soluble compounds and tannins from the barks of Azadirachta indica A. Juss. and Moringa oleifera Lam. Kwadwo Boakye Boadu; Augustine Sackey Jnr
Wood Research Journal Vol 13, No 1 (2022): Wood Research Journal
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51850/wrj.2022.13.1.25-33

Abstract

Investigations into the most efficient solvent or solvent mixtures which yield high quantities of tannins for the production of adhesives for the composite industry have been ongoing. However, knowledge on the synergistic effect of ketones, alcohols and water on the yield of soluble compounds and tannins from plants is lacking. Using the Soxhlet extraction method, the synergistic effect of ketone, alcohol and water mixtures in the extraction of soluble compounds and tannins from the barks of Moringa oleifera and Azadirachta indica was examined. Ketone, water and alcohols did not have a definite synergistic effect on the yields of soluble compounds and tannins from the two plants. Mixtures of some solvents, as opposed to their individual solvents, recorded high yield of soluble compounds. The reverse was also observed. Water extract recorded the highest quantity of soluble compounds in M. oleifera while, ethanol-methanol-water mixture (60:20:20) extracted the highest quantity of soluble compounds in A. indica.   The mixtures containing either a ketone or the alcohols produced comparatively high tannin yield in A. indica. This trend was not so for M. oleifera. The efficiency of solvents to extract soluble compounds depended mostly on the species.
EFFECT OF AGE AND LONGITUDINAL STEM SECTION OF LEGI BAMBOO (Gigantochloa atter (Hassk.) Kurz) AS FURNITURE AND HANDICRAFT MATERIALS Rini - Pujiarti
Wood Research Journal Vol 13, No 1 (2022): Wood Research Journal
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51850/wrj.2022.13.1.1-6

Abstract

Legi bamboo (Gigantochloa atter (Hassk.) Kurz) is a common and commercially important bamboo species for furniture and craft material. The aims of this research were to investigate the optimum processing quality for the furniture and craft material of 3 and 4 years old Legi bamboo in each stem section including processing properties and supporting information such as physical, mechanical, as well as adhesion properties. The result showed that optimal processing properties of Legi bamboo had average sawing defect of 1.93% (very good); drilling defect of 26.68% (good); planning defect of 4.70% (very good); lathing defect of 7.95% (very good), and sanding defect of 2.14% (very good), considered as I – II class of processing.  The results of this study indicate that the tip section of 3 years old Legi bamboo had the best physical, mechanical, and processing properties for its utilizations.
BONDING CHARACTERISTIC OF GAMBIR TANNIN-BASED ADHESIVE ON TUSAM WOOD (Pinus merkusii) IN VARIOUS AGES : EFFECTS OF GAMBIR LEAVES CONDITION AND EXTENDER ADDITION Adi Santoso; Erlina Nurul Aini; Dina Alva Prastiwi
Wood Research Journal Vol 13, No 1 (2022): Wood Research Journal
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51850/wrj.2022.13.1.12-24

Abstract

Exploration of natural wood adhesive as an alternative to conventional adhesives such as UF and PF is an interesting topic to be investigated further due to the increasing of human awareness on environmental sustainability and health. Among several types of natural adhesives, tannin-based adhesive is considerably potential to be developed as commercial wood adhesive. In Indonesia, one of the material that has high potential as a raw material for making tannin-based adhesives is gambir leaves. In this study, the effect of leaf freshness, extender content and wood age were studied on the quality of the laminated product. The results showed that all three factors have a significant effect on the compressive shear strength of the laminated wood. The condition of fresh leaves, 0% extender content and 27 years old wood produced a laminated product with the highest compressive shear strength. All laminated wood products in this study meet the compressive shear strength requirement of SNI standards. Moreover, all laminated wood glued using tannin adhesive from fresh leaves without addition of extender are also able to meet the JAS standard requirement of compressive strength. The research results also show that gambir tannin adhesive has properties and bonding strength that can compete with PF adhesive. From these results, we can conclude that gambir tannin-based adhesive demonstrates an ability to serve as an alternative for conventional adhesive commonly used in wood industry.
Biological Resistance of Jabon Wood Against Subterranean and Drywood Termites after Combined Impregnation and Compression Treatment Jamaludin Malik
Wood Research Journal Vol 13, No 1 (2022): Wood Research Journal
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51850/wrj.2022.13.1.34-42

Abstract

This study investigated Jabon wood [Anthochepalus cadamba (Roxb) Miq) impregnated with natural phenolic resin from Merbau extractives (ME) and subjected to hot compression treatments. The resistance of this wood to subterranean termites (Coptotermes curvignathus Holmgren) and drywood termites (Cryptotermes cynocephalus Light) was tested. The types of pre-treatments utilized were impregnation, repeated-impregnation, hot compression, and a combined treatment of impregnation and hot compression. The impregnation pre-treatment used crude ME and selected polymerized ME (PME22 and PME33). The resistance evaluation was based on the weight loss of the samples according to the Indonesian standard of SNI 7207 (2014). Untreated samples of jabon were classified as grade V (susceptible) against subterranean termites and grade IV (non-resistant) against drywood termites. Impregnation using only ME improved the resistance of Jabon wood against subterranean termite from grade V to grade IV. Against drywood termites, it changed from class IV to III and II. The resistance class of III against subterranean termites resulted from the treatments of various schedules of polymerized ME. Thus, the extractives contributed greatly to the protection of a less durable wood species against termite attack. Merbau extractives also distinctly improved the resistance of jabon wood from grade IV (non-resistant) to grade II (resistant).
The Effect of Slape Arrangement On Physical and Mechanical Properties Petung Bamboo Laminate Board (Dendrocalamus asper) Febriana Tri Wulandari; Habibi Habibi; Raehanayati Raehanayati; Rima Vera Ningsih
Wood Research Journal Vol 13, No 1 (2022): Wood Research Journal
Publisher : Masyarakat Peneliti Kayu Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51850/wrj.2022.13.1.7-11

Abstract

Wood as a construction material is currently increasingly limited.  One alternative material as a substitute for construction wood is laminated bamboo. Laminated bamboo is a product made from several bamboo slats or bamboo slats that are glued together with the fiber direction parallel to the board with several requirements, among others, must have dimensions of length, width, and thickness that can be converted into boards or blocks. The type of bamboo that will be used in this research is petung bamboo (Dendrocalamus asper). Petung bamboo was chosen because it has a diameter that can reach 20 cm with a wall thickness of 1-3 cm, making it suitable for use as laminated bamboo. The purpose of this study was to determine the effect of blade arrangement on the physical and mechanical properties of petung bamboo laminated boards. The method used in this study is an experimental method with a non-factorial completely randomized design experiment with two treatments and three replications. Based on the results of the study, the arrangement of the laminated board blades did not significantly affect all tests of the physical and mechanical properties of the petung bamboo laminated board. All tests of physical and mechanical properties have complied with JPIC standard No. 1152 2007 except in the MoE test does not meet the standard. Based on the strength class of the laminated board, the bamboo petung laminated board is classified as strong class III which can be used as a protected heavy construction material.

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