Zobrazeno 1 - 10
of 36
pro vyhledávání: '"Istie Rahayu"'
Autor:
Gabriel Tobing, Nurul Sofiaturizkiyah, Efrida Basri, Resa Martha, Istie Rahayu, Philippe Gérardin, Wayan Darmawan
Publikováno v:
Jurnal Ilmu Pertanian Indonesia, Vol 29, Iss 4 (2024)
Scots pine (Pinus sylvestris L.) wood is one of the most popular timber export products. However, its low durability can reduce the potential and utilization of the wood. Chemical modification is one of the solutions to overcome this drawback. Chemic
Externí odkaz:
https://doaj.org/article/915cf4711add405dab7396f10beeba55
Autor:
Saviska Luqyana Fadia, Istie Rahayu, Deded Sarip Nawawi, Rohmat Ismail, Esti Prihatini, Gilang Dwi Laksono, Irma Wahyuningtyas
Publikováno v:
AIMS Materials Science, Vol 11, Iss 1, Pp 1-27 (2024)
This study was conducted to synthesize magnetic wood through the ex situ impregnation method of magnetite nanoparticles and analyze its physical properties and characterization. The process was initiated with the synthesis of magnetite nanoparticles
Externí odkaz:
https://doaj.org/article/4c52a09f4a3c4a3d9e2caffc613f2552
Publikováno v:
BioResources, Vol 17, Iss 4, Pp 6496-6510 (2022)
The impregnation of jabon wood (Anthocephalus cadamba Miq.) with a magnetic compound can increase the quality of the wood. In this study, magnetic woods were made using the ex situ impregnation of jabon woods with nano-magnetite (Fe3O4). The objectiv
Externí odkaz:
https://doaj.org/article/7856d58601964f7d9ed683f0546e23a4
Autor:
Istie Rahayu, Wayan Darmawan, Deded Sarip Nawawi, Esti Prihatini, Rohmat Ismail, Gilang Dwi Laksono
Publikováno v:
Polymers, Vol 14, Iss 20, p 4463 (2022)
Mangium (Acacia mangium Willd.) is a fast-growing wood that is widely grown in Indonesia. The impregnation method is needed to improve the qualities of the wood. In this study, TiO2 nanoparticle (79.17 nm) was produced using the hydrothermal method.
Externí odkaz:
https://doaj.org/article/522207bc3d574268bf2249f6699eee82
Autor:
Istie Rahayu, Esti Prihatini, Rohmat Ismail, Wayan Darmawan, Lina Karlinasari, Gilang Dwi Laksono
Publikováno v:
Polymers, Vol 14, Iss 11, p 2137 (2022)
Jabon (Anthocephalus cadamba) is a fast-growing wood with low quality due to its low density and strength. The quality can be increased by modifying the wood through impregnation with various chemical compounds. In this study, jabon was impregnated w
Externí odkaz:
https://doaj.org/article/34fc809ed68e434282838027cbb6819e
Publikováno v:
BioResources, Vol 7, Iss 4, Pp 4715-4729 (2012)
For many wood cutting processes, the interest of high-speed tool steels and tungsten carbides remains very important because of their good tool edge accuracy and easy grinding. The wear of high-speed steel and tungsten carbide is an important economi
Externí odkaz:
https://doaj.org/article/7c17328e6dae472492b27201bd4acf75
Autor:
Istie Rahayu, Abdul Salam Salam Min Rohmatillah, Esti Prihatini, Wayan Darmawan, Gilang Dwi Laksono
Publikováno v:
Wood Research Journal. 13:69-78
Ganitri (Elaeocarpus sphaericus (Gaertn.) K. Schum.) and jabon (Anthocephalus cadamba) are fast-growing wood species that have low strength and durability class. One of methods for improving the characteristics of ganitri and jabon woods is impregnat
Publikováno v:
BioResources. 17:750-762
The characteristics of ganitri wood can be improved via wood impregnation. The objective of this research was to analyze the density and dimensional stability of a wood polymer nano-composite, i.e., impregnated ganitri wood with a mixture of melamine
Publikováno v:
Pigment & Resin Technology.
Purpose The surface characteristics of thermally and chemically modified wood, such as surface roughness, surface free energy (SFE) and wettability, are important properties that influence further manufacturing processes such as gluing and coating. T
Autor:
Wayan Darmawan, Christine Gerardin, Istie Rahayu, Loedy Setiono, Resa Martha, Philippe Gérardin, Mahdi Mubarok, Béatrice George, Firmin Obounou Akong, Irmanida Batubara
Publikováno v:
Wood Science and Technology. 55:1795-1819
Short rotation teak wood has been produced to overcome the scarcity of long rotation teak. The short rotation teak has low quality, especially in dimensional stability and durability. Glycerol-maleic anhydride (GMA) treatment as non-biocidal wood pre