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Articles by Anne Hadiyane
Total Records ( 2 ) for Anne Hadiyane
  Aminudin Sulaeman , Rudi Dungani , Nuruddin Nurudin , Sri Hartati , Tati Karliati , Pingkan Aditiawati , Anne Hadiyane , Yoyo Suhaya and Sulistyono
  The properties of bamboo are unique compared to solid wood and other ligno- and non-lignocellulosic materials especially for manufacturing, designing and construction usages. Recent technological advancements for bamboo processing has proven the positive advantages of bamboo for various interior and exterior applications including furniture, bio-composites, packaging, transport, building and so on. The variability in size, length and diameter of bamboo, its growth and production is a big challenge for their applications as bio-based material along with durability. Since bamboo has a low durability, protection against biotic and abiotic degradation. Since it has vital importance for its longer service life. Preservation and modification treatment of bamboo are therefore regarded as a necessity. Those preservation and modification techniques would ensure the quality and durability of bamboo resulting sustainability and advanced engineering utilization of bamboo. This article reviews the preservation and modification techniques of bamboo which are crucial for advanced products manufacturing and utilization. The article also summarizes the importance of preservation and modification process, its principles and the challenges in quality and durability enhancement of bamboo products. At the end of the article, applications specially the modern one has also been discussed along with its further advancement.
  Anne Hadiyane , Rudi Dungani , Susana Paulina Dewi and Alfi Rumidatul
  Background and Objective: The chemical modification of wood was a chemical reaction between some reactive parts of wood components and a simple chemical reagent to form a covalent bond between both wood and chemical reagent. The utilization of jabon wood has long been done by the people of Indonesia. Jabon wood (Anthocephalus cadamba Miq.) is used for building materials, having quality of wood is not good such as dimensional stability. This study was to find out the effect of treatment of wood with styrene monomer using methyl methacrylamide in change in morphology structure and dimensional change. Materials and Methods: Jabon wood was impregnated with a styrene and methyl methacrylate to a strain of 50%. The changes in cell structure were analyzed to determine the effects of the treatment. Scanning Electron Microscopy (SEM) was used to determine the change in microfibril angle (MFA), preferred orientation of fiber (PO) and wood crystallinity (WC). Samples between the tangential sections were used for density measurement, as determined by the American Standard Testing and Material (ASTM) D2395 method. Furthermore, dimensional stability of the samples were calculated according to standard. Results: The wood density and volumetric swelling coefficient (SC) after modification of jabon wood showed a range of variation. The value of MFA in modified wood decreased significantly compared with the control. Wood modification results in an increase in the crystallinity. Cellulose crystallinity is reduced after impregnation, because the monomer groups interact with the groups in the volume of wood and occupy a larger space in the wood. Conclusion: The impregnation increased the dimensional stability of jabon wood (density and specific gravity).
 
 
 
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