Journal of the Korean Wood Science and Technology

About Journal of the Korean Wood Science and Technology

The Journal of the Korean Wood Science and Technology (JKWST) launched in 1973 as an official publication of the Korean Society of Wood Science and Technology has been served as a core of knowledges on wood science and technology. The Journal acts as a medium for the exchange of research in the area of science and technology related to wood, and publishes results on the biology, chemistry, physics and technology of wood and wood-based products. Research results about applied sciences of wood-based materials are also welcome. The Journal is published bimonthly, and printing six issues per year. Supplemental or special issues are published occasionally.
Original Article

Mar 25, 2022

The Relationship between Tree-Ring Growth in Pinus densiflora S. et Z. and the Corresponding Climatic Factors in Korea

Kwang Hee LEE, Sang Yoon JO, Soo Chul KIM

J. Korean Wood Sci. Technol. 2022;50(2):81-92.
https://doi.org/10.5658/WOOD.2022.50.2.81

To analyze the relationship between climatic factors (mean monthly temperature and total precipitation) and tree-ring growths of Pinus densiflora S. et Z. from National Parks (according to region) of the Korea, 20 trees were sampled from 13 National Parks. Only trees that were successfully cross-dated were used for dendrochronological analysis, and at least 11 trees were included. The tree-ring chronology of Mt. Bukhan (covering the shortest period of 1917–2016 [100 years]) was assessed, as well as that of Mt. Seorak (covering the longest per...
Original Article

Mar 25, 2022

Effect of Different Conditions of Sodium Chloride Treatment on the Characteristics of Kenaf Fiber-Epoxy Composite Board

Tamaryska SETYAYUNITA, Ragil WIDYORINI, Sri Nugroho MARSOEM, Denny IRAWATI

J. Korean Wood Sci. Technol. 2022;50(2):93-103.
https://doi.org/10.5658/WOOD.2022.50.2.93

Currently, biofibers are used as a reinforcement in polymer composites for structural elements and construction materials instead of the synthetic fibers which cause environmental problems and are expensive. One of the chemicals with a pH close to neutral that can be potentially used as a modified fiber material is sodium chloride (NaCl). Therefore, this study aims to investigate the characteristics of a composite board made from NaCl-treated kenaf fiber. A completely randomized design method was used with consideration of two factors: the cont...
Original Article

Mar 25, 2022

Formaldehyde Deodorization Effect and Far-Infrared Emission Characteristics of Ceramics Prepared with Sawdust, Risk Husk, and Charcoal: Effect of Material Mixing Ratio

Jung-Woo HWANG, Seung-Won OH

J. Korean Wood Sci. Technol. 2022;50(2):104-112.
https://doi.org/10.5658/WOOD.2022.50.2.104

Indoor air quality is a very important environmental factor in modern society. However, air pollutants generated from various interior construction materials significantly affect the human body, including formaldehyde (HCHO) and volatile organic compounds that threaten public health by deteriorating indoor air quality. Effective in removing these harmful substances are porous materials, such as woodceramics. In this study, charcoal, a porous material, was added to rice husk, an agricultural by-product, and sawdust generated during the sawing pr...
Original Article

Mar 25, 2022

Phytochemical and Anti-Termite Efficiency Study of Guibourtia tessmanii (harms) J. Léonard (Kévazingo) Bark Extracts from Gabon

Ley-Fleury ELLA NKOGO, Christ Stone Arnaud BOPENGA BOPENGA, Franck Estimé NGOHANG, Line Edwige MENGOME, Sophie ABOUGHE ANGONE, Prosper EDOU ENGONGA

J. Korean Wood Sci. Technol. 2022;50(2):113-125.
https://doi.org/10.5658/WOOD.2022.50.2.113

This study aimed to explore the biodiversity of chemical compounds found in the bark of Guibourtia tessmannii from Gabon, commonly called Kévazingo, and evaluate their anti-termite activity to determine their potential values as a source of development of anti-termite products that can be valued in the fields of fine chemicals and wood preservation. Extraction of G. tessmannii bark powders was carried out using the cold maceration method with trichloroethylene, acetone, ethanol, and water. Phytochemical screening made it possible to highligh...
Original Article

Mar 25, 2022

Experimental Investigation of the Sound Absorption Capability of Wood Pellets as an Eco-Friendly Material

Eun-Suk JANG

J. Korean Wood Sci. Technol. 2022;50(2):126-133.
https://doi.org/10.5658/WOOD.2022.50.2.126

In this study, I used wood pellets as an eco-friendly sound-absorbing material. The aim of the research was to analyze the effect of the filling height of wood pellets on sound absorption. This was done using two types of wood pellets of different lengths (A group: 1.5–3 cm, B group: less than 1.5 cm). With increasing filling height of the wood pellets, the optimum sound absorption shifted towards a lower frequency. The group B wood pellets had better sound absorption capacity than the group A ones. The optimum sound absorption coefficient of...
Original Article

Mar 25, 2022

Development of Bamboo Zephyr Composite and the Physical and Mechanical Properties

Ihak SUMARDI, Eka Mulya ALAMSYAH, Yoyo SUHAYA, Rudi DUNGANI, Ignasia Maria SULASTININGSIH, Syahdilla Risandra PRAMESTIE

J. Korean Wood Sci. Technol. 2022;50(2):134-147.
https://doi.org/10.5658/WOOD.2022.50.2.134

The objective of this study is to determine the effect of fiber direction arrangement and layer composition of hybrid bamboo laminate boards on the physical and mechanical properties. The raw material used was tali bamboo (Gigantochloa apus (J.A. & J.H. Schultes) Kurs) rope in the form of flat sheets (zephyr) and falcata veneer (Paraserianthes falcataria (L) Nielsen). Zephyr bamboo was arranged in three layers using water-based isocyanate polymer (WBPI) with a glue spread rate of 300 g/m2. There were variations in the substitution of the co...

CURRENT ISSUE: Mar 2022, Vol. 50, No. 2

Original Article The Relationship between Tree-Ring Growth in Pinus densiflora S. et Z. and the Corresponding Climatic Factors in Korea Kwang Hee LEE, Sang Yoon JO, Soo Chul KIM J. Korean Wood Sci. Technol. 2022;50(2):81-92. https://doi.org/10.5658/WOOD.2022.50.2.81 HTML PDF PubReader	Original Article Effect of Different Conditions of Sodium Chloride Treatment on the Characteristics of Kenaf Fiber-Epoxy Composite Board Tamaryska SETYAYUNITA, Ragil WIDYORINI, Sri Nugroho MARSOEM, Denny IRAWATI J. Korean Wood Sci. Technol. 2022;50(2):93-103. https://doi.org/10.5658/WOOD.2022.50.2.93 HTML PDF PubReader
Original Article Formaldehyde Deodorization Effect and Far-Infrared Emission Characteristics of Ceramics Prepared with Sawdust, Risk Husk, and Charcoal: Effect of Material Mixing Ratio Jung-Woo HWANG, Seung-Won OH J. Korean Wood Sci. Technol. 2022;50(2):104-112. https://doi.org/10.5658/WOOD.2022.50.2.104 HTML PDF PubReader	Original Article Phytochemical and Anti-Termite Efficiency Study of Guibourtia tessmanii (harms) J. Léonard (Kévazingo) Bark Extracts from Gabon Ley-Fleury ELLA NKOGO, Christ Stone Arnaud BOPENGA BOPENGA, Franck Estimé NGOHANG, Line Edwige MENGOME, Sophie ABOUGHE ANGONE, Prosper EDOU ENGONGA J. Korean Wood Sci. Technol. 2022;50(2):113-125. https://doi.org/10.5658/WOOD.2022.50.2.113 HTML PDF PubReader
Original Article Experimental Investigation of the Sound Absorption Capability of Wood Pellets as an Eco-Friendly Material Eun-Suk JANG J. Korean Wood Sci. Technol. 2022;50(2):126-133. https://doi.org/10.5658/WOOD.2022.50.2.126 HTML PDF PubReader	Original Article Development of Bamboo Zephyr Composite and the Physical and Mechanical Properties Ihak SUMARDI, Eka Mulya ALAMSYAH, Yoyo SUHAYA, Rudi DUNGANI, Ignasia Maria SULASTININGSIH, Syahdilla Risandra PRAMESTIE J. Korean Wood Sci. Technol. 2022;50(2):134-147. https://doi.org/10.5658/WOOD.2022.50.2.134 HTML PDF PubReader

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