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

Jan 25, 2023

Characteristics of Magnetic Sengon Wood Impregnated with Nano Fe₃O₄ and Furfuryl Alcohol

Gilang Dwi LAKSONO, Istie Sekartining RAHAYU, Lina KARLINASARI, Wayan DARMAWAN, Esti PRIHATINI

J. Korean Wood Sci. Technol. 2023;51(1):1-13.
https://doi.org/10.5658/WOOD.2023.51.1.1

Sengon (Falcataria moluccana Miq.) tree offers a wood of low quality and durability owing to its low density and thin cell walls. This study aimed to improve the properties of sengon wood by making the wood magnetic, producing new functions, and characterizing magnetic sengon wood. Each wood sample was treated using one of the following impregnation solutions: Untreated, 7.5% nano magnetite-furfuryl alcohol (Fe3O4-FA), 10% nano Fe3O4-FA, and 12.5% nano Fe3O4-FA. The impregnation process began with vacuum treatment at 0.5 bar for 2 h, followed b...
Original Article

Jan 25, 2023

Flexural Modulus of Larch Boards Laminated by Adhesives with Reinforcing Material

Injeong LEE, Weontae OH

J. Korean Wood Sci. Technol. 2023;51(1):14-22.
https://doi.org/10.5658/WOOD.2023.51.1.14

Economical use of larix (larch) boards (grade 3) in industries is lower than that of imported hardwood; thus, studies have been conducted toward performance improvement of larix boards. Herein, flexural modulus of larix board samples laminated with wood adhesives polyurethane resins, poly (vinyl acetate) resins, phenol–resorcinol–formaldehyde resins, melamine–formaldehyde resins, and urea–formaldehyde resins was compared with that of the samples bonded with adhesives reinforced with mesh-type basalt fibers. Moreover, the flexural moduli...
Original Article

Jan 25, 2023

Characteristics of Bio Pellets from Spent Coffee Grounds and Pinewood Charcoal Based on Composition and Grinding Method

Nopia CAHYANI, Andi Detti YUNIANTI, SUHASMAN, Kidung Tirtayasa Putra PANGESTU, Gustan PARI

J. Korean Wood Sci. Technol. 2023;51(1):23-37.
https://doi.org/10.5658/WOOD.2023.51.1.23

One type of biomass that has promising potential for bio pellet production is spent coffee grounds (SCGs). However, previous studies have shown that SCGs in bio pellets cause a lot of smoke. Therefore, they need to be mixed with a material that has a higher calorific value to produce better quality pellets. One material that can be used is pine wood because it has a natural resin content that can increase the calorific value. The aim of this study was to examine the quality of bio pellets produced with SCGs and pine wood charcoal at different p...
Original Article

Jan 25, 2023

Effects of Precipitation pH of Black Liquor on Characteristics of Precipitated and Acetone-Fractionated Kraft Lignin

Ega Cyntia WATUMLAWAR, Byung-Dae PARK

J. Korean Wood Sci. Technol. 2023;51(1):38-48.
https://doi.org/10.5658/WOOD.2023.51.1.38

Two important steps in utilizing technical kraft lignin (KL) from black liquor to synthesize lignin-phenol-formaldehyde (LPF) resin are its extraction via precipitation and fractionation. However, the effects of precipitation pH and acetone fractionation on the characteristics of hardwood KL have not been studied for LPF resins. Therefore, this paper reports the effects of the precipitation pH of black liquor and acetone fractionation on the characteristics of KL from mixed hardwood species for LPF resins. The precipitation was conducted at var...
Original Article

Jan 25, 2023

Reliability of the Impregnated Boron Compounds, Citric Acid- and Heat-Treated Samama (Anthocephalus macrophyllus) Wood against the Fungal and Termite Attacks

Trisna PRIADI, Guruh Sukarno PUTRA, Tekat Dwi CAHYONO

J. Korean Wood Sci. Technol. 2023;51(1):49-57.
https://doi.org/10.5658/WOOD.2023.51.1.49

This research aimed to evaluate the durability of Samama (Anthocephalus macrophyllus) wood treated with boron preservatives, citric acid (CA), and heating against termites. Wood samples were impregnated firstly with 5% boron solutions, such as boric acid, borax and boric acid + borax combination at 1:1 (w/w). The second impregnation used 5% CA. The impregnations were conducted in a pressure tank at 7 kg/cm2 for 4 hours. After impregnation, the samples were heat treated at 80°C or 160°C. All the treated and control samples were exposed to dec...
Original Article

Jan 25, 2023

Lateral Resistance of Reinforced Light-Frame Wood Shear Walls

Hyung Woo LEE, Sang Sik JANG

J. Korean Wood Sci. Technol. 2023;51(1):58-66.
https://doi.org/10.5658/WOOD.2023.51.1.58

In light-frame timber construction, the shear wall is one of the most important components that provide resistance to lateral loads such as earthquakes or winds. According to KDS (Korea Design Standard) 42 50 10, shear walls are to be constructed using wood-based structural sheathing, with studs connected by 8d nails spaced 150 mm along the edge and 300 mm in the field. Even though small-scale residential timber building can be designed to exhibit seismic resistance using light-frame timber shear walls in accordance with KDS 42 50 10, only the ...
Erratum

Jan 25, 2023

Erratum to: Insect Repellency and Crop Productivity of Essential Oil Films

Jin Gu KIM, Seok Gyu KANG, Md Munir MOSTAFIZ, Jeong Min LEE, Kyeong-Yeoll LEE, Tae Kyung HWANG, Jin Taeg LIM, Soo Yeon KIM, Won Hee LEE

J. Korean Wood Sci. Technol. 2023;51(1):67
https://doi.org/10.5658/WOOD.2023.51.1.67

CURRENT ISSUE: Jan 2023, Vol. 51, No. 1

Original Article Characteristics of Magnetic Sengon Wood Impregnated with Nano Fe₃O₄ and Furfuryl Alcohol Gilang Dwi LAKSONO, Istie Sekartining RAHAYU, Lina KARLINASARI, Wayan DARMAWAN, Esti PRIHATINI J. Korean Wood Sci. Technol. 2023;51(1):1-13. https://doi.org/10.5658/WOOD.2023.51.1.1 HTML PDF PubReader	Original Article Flexural Modulus of Larch Boards Laminated by Adhesives with Reinforcing Material Injeong LEE, Weontae OH J. Korean Wood Sci. Technol. 2023;51(1):14-22. https://doi.org/10.5658/WOOD.2023.51.1.14 HTML PDF PubReader
Original Article Characteristics of Bio Pellets from Spent Coffee Grounds and Pinewood Charcoal Based on Composition and Grinding Method Nopia CAHYANI, Andi Detti YUNIANTI, SUHASMAN, Kidung Tirtayasa Putra PANGESTU, Gustan PARI J. Korean Wood Sci. Technol. 2023;51(1):23-37. https://doi.org/10.5658/WOOD.2023.51.1.23 HTML PDF PubReader	Original Article Effects of Precipitation pH of Black Liquor on Characteristics of Precipitated and Acetone-Fractionated Kraft Lignin Ega Cyntia WATUMLAWAR, Byung-Dae PARK J. Korean Wood Sci. Technol. 2023;51(1):38-48. https://doi.org/10.5658/WOOD.2023.51.1.38 HTML PDF PubReader
Original Article Reliability of the Impregnated Boron Compounds, Citric Acid- and Heat-Treated Samama (Anthocephalus macrophyllus) Wood against the Fungal and Termite Attacks Trisna PRIADI, Guruh Sukarno PUTRA, Tekat Dwi CAHYONO J. Korean Wood Sci. Technol. 2023;51(1):49-57. https://doi.org/10.5658/WOOD.2023.51.1.49 HTML PDF PubReader	Original Article Lateral Resistance of Reinforced Light-Frame Wood Shear Walls Hyung Woo LEE, Sang Sik JANG J. Korean Wood Sci. Technol. 2023;51(1):58-66. https://doi.org/10.5658/WOOD.2023.51.1.58 HTML PDF PubReader
Erratum Erratum to: Insect Repellency and Crop Productivity of Essential Oil Films Jin Gu KIM, Seok Gyu KANG, Md Munir MOSTAFIZ, Jeong Min LEE, Kyeong-Yeoll LEE, Tae Kyung HWANG, Jin Taeg LIM, Soo Yeon KIM, Won Hee LEE J. Korean Wood Sci. Technol. 2023;51(1):67 https://doi.org/10.5658/WOOD.2023.51.1.67 HTML PDF PubReader

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