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      Pengembangan Kayu Lapis Jabon Multifungsi Penyerap Gelombang Elektromagnetik melalui Modifikasi Nano Magnetit

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      Date
      2026
      Author
      RAHRA, ANNISA
      Rahayu, Istie Sekartining
      Zaini, Lukmanul Hakim
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      Abstract
      Perkembangan teknologi komunikasi nirkabel meningkatkan paparan gelombang elektromagnetik di ruang publik. Oleh karena itu, pengembangan kayu lapis fungsional sebagai material penyerap gelombang elektromagnetik menjadi solusi yang ramah lingkungan dan relevan untuk mengurangi dampak paparan tersebut. Penelitian ini bertujuan mengevaluasi pengaruh penambahan konsentrasi nano magnetit (Fe3O4) pada perekat phenol-formaldehyde (PF) terhadap sifat fisis, mekanis, dan penyerapan gelombang elektromagnetik. Karakterisasi meliputi kerapatan, kadar air, delaminasi, keteguhan rekat, kenampakan, viskositas, waktu gelatinasi, kadar padatan perekat, serta penyerapan gelombang elektromagnetik. Hasil menunjukkan penambahan konsentrasi nano magnetit menurunkan kadar air, delaminasi, serta menurunkan viskositas perekat akibat efek pengenceran etanol, meningkatkan keteguhan rekat, serta mempercepat gelatinasi. Kemampuan kayu lapis menyerap gelombang elektromagnetik meningkat seiring bertambahnya konsentrasi nano magnetit pada seluruh arah pengukuran, sehingga kayu lapis jabon berpotensi dikembangkan sebagai material fungsional penyerap gelombang elektromagnetik.
       
      The development of wireless communication technology is increasing exposure to electromagnetic waves in public spaces. Because of that, developing functional plywood as a material that absorbs electromagnetic waves becomes an eco-friendly and relevant solution to reduce the impact of that exposure. This study evaluated the effect of adding magnetite nanoparticles (Fe3O4) to phenol-formaldehyde (PF) adhesive on the physical, mechanical, and electromagnetic absorption effectivity at concentrations. Characterization included density, moisture content, delamination, bond strength, appearance, viscosity, gelation time, adhesive solid content, and electromagnetic absorption. Results showed that magnetite addition reduced moisture content, delamination, and viscosity due to an ethanol dilution effect, increased bond strength, and shortened gelation time. The plywood's electromagnetic absorption capability increased consistently with magnetite concentration, indicating potential for jabon plywood as an electromagnetic material absorber.
       
      URI
      http://repository.ipb.ac.id/handle/123456789/178823
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      • UF - Forestry Products [2535]

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      Copyright © 2020 Library of IPB University
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      Contact Us | Send Feedback
      Indonesia DSpace Group 
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      UIN Syarif Hidayatullah Institutional Repository
      Universitas Jember Digital Repository