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Yanuhar, Uun
Aquatic Resources Management, Fisheries And Marine Science Faculty, Universitas Brawijaya
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Journal : Teknomekanik

 1 
Characteristics of sisal-epoxy composite boards with sodium chloride-treated fibers at different treatment temperatures Setyayunita, Tamaryska; Suryanto, Heru; Aminnudin, Aminnudin; Osman, Azlin Fazlina; Yanuhar, Uun
Teknomekanik Vol. 8 No. 1 (2025): Regular Issue
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/teknomekanik.v8i1.35572

Abstract

The growing environmental concerns associated with synthetic fibers have led to the increased adoption of bio-fibers as reinforcements in polymer composites. Sodium chloride (NaCl) is explored as a fiber treatment agent to enhance the adhesion between fibers and the matrix. The study aims to evaluate the effects of NaCl treatment on the characteristics of sisal fiber-epoxy composite boards. A completely randomized design was applied with three factors: treatment temperature (25 °C and 100 °C), NaCl concentration (1, 3, and 5 wt%), and composite board density (0.40, 0.60, and 0.80 g/cm³). Sisal fibers were soaked in NaCl solutions for one hour, rinsed, dried, and manually blended with epoxy at a ratio of 80:20 wt%. Composite board properties were observed according to the standards of JIS-A-5908, Fourier Transform Infrared Spectroscopy (FTIR), and Scanning Electron Microscopy (SEM). Results indicated that increasing the NaCl concentration and treatment temperature significantly improved the properties of the composite board. The optimal parameters (5wt% NaCl, 100 °C, 0.80g/cm³) yielded a modulus of elasticity of 4.59±0.26 GPa, modulus of rupture of 18.88±0.03 MPa, and internal bond strength of 3.92±0.18 MPa, representing increases of 200.32%, 130.65%, and 218.70%, respectively. Thickness swelling decreased to 2.13±0.43% (48.14%) and water absorption to 8.95±0.05% (32.25%). These findings confirm that NaCl treatment is an eco-friendly method to enhance the mechanical strength and moisture resistance of biofiber composites. It also supports the development of high-performance composite boards.
Co-Authors Abdul Rahem Faqih Ach. Khumaidi Adelya Desi Kurniawati Adhitya, Dewa Sukma Trinanda Agus Susilo Alfarisi, Muhammad Asnin Alfi Nur Rusydi Amasda, Naufal Rizky Aminnudin, Aminnudin Amira Baihani Amira Baihani Amira Masitha Anasiru, Arief Farhan Kurniawan Andi Kurniawan Andik Isdianto Anggraini, Rifka Rimbi Anisa Millah Taqiyyah Anjasmara, Aang Setyawan Annisa Fitri Anggreini Apri Supii Asep Awaludin Prihanto Asus Maizar Suryanto H Asus Maizar Suryanto Hertika Awalia Oktaviana Bili Darnanto Susilo BS, Sumitro Choirul Huda Choirul Huda Cucun Herlina Defa Rizqi Machfuda Diana Arfiati Dwi Retna Kumalaningrum Dyah Kinasih Wuragil Dyah Kinasih Wuragil Dyah Kinasih Wuragil Dyah Tri Rahayu Dyah Wuragil E Ernawati, E Eddy Suprayitno Edi Susilo Ekwan Nofa Wiratno Endang Yuli Herawati Fadjar, Mohammad Fajar Shodiq Fathah, Aulia Lanudia Fauliza, Tifa feri Setiawan Fika Fitrianesia Fitrianesia, Fika Gatot Ciptadi Gede Angga Krishna Fariestha Gian Suryanatha Hartawan Gian Suryanatha Hartawan Gilang Rusrita Aida Gilang Rusrita Aida Gunanti Mahasri Hardoko Hardoko Hartati Kartikaningsih Herlina, Cucun Herly Evanuarini Herly Evanuarini Herly Evanuarini Heru Suryanto Immaria Fransira Indah Wahyuni Abida Irawanto, Yovan Endik Ismail, Mahrus Ita Fitria S Jati Batoro Jibril Maulana Kharisma Nuria Fitri Lutfi Ni`'Matus Salamah Lutfia Fahimatul Ilmi MA, Widodo Maftuch ., Maftuch Maftuch Maftuch Maftuch Maftuch Maheno Sri Widodo, Maheno Sri Maria Kristiani Marsono Marsono Martiningsih, Nur Fauzi-yah Martiningsih, Nur Fauziyah Masitha, Amira Mohammad Bisri Mohammad Fadjar Mohammad Fadjar Mohammad Musa Mufidah, Rhobithotus Muhamad Muhajir Muhammad Faiq Ash Shiddiq Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Musa Muhammad Sumsanto Muhammad Sumsanto Musa, Mohammad Nezya Pramudya Wardani Nico Caesar Nico Rahman Caesar Nico Rahman Caesar Nizery, Sefhanissa Puspa Retno Nur Fauziyah Martiningsih Nur Junirahma Nur Sakinah Junirahma Nusantara, Fajar Osman, Azlin Fazlina Pahlefi, Reval Pradana, Yanuar Rohmat Aji Purwoko, Agus Puspitasari, Intan Dwi Putri, Berlania Mahardika R Adharyan Islamy Ramadhanti, Nur Fa'izah Fitri Rifka Rimbi Anggraini Rika Wahyuningtyas Rika Wahyuningtyas Rika Wahyuningtyas, Rika Rizka Rahmana Putri Sanoesi, Ellana Sansi, Delfina Husniya Septi Anitasari, Septi Setyayunita, Tamaryska Shiddiq, Muhammad Faiq Ash Sias, Quota Alief Soelistyoadi, Rachmat Noer Soemarno Soemarno Sri Andayani Sri Andayani Sri Andayani Andayani Sri Rahmaningsih Sri Rahmaningsih Sukarni Sukarni Suprayitno Suprayitno Susilowati, Surya Rachman Taufik Budhi Pramono Taufik Budhi Pramono Teotonio Gomes, Guilherme Tri Djoko Lelono Umi Zakiyah Utari, Inpita Casuarina Eqisetia Wardani, Nezya Pramudya Wuragil, Dyah Kinasih Yenny Risjani Yovan Endik Irawanto Yusuf Arif Wahyudi Yusuf Arif Wahyudi Yusuf Wahyudi Zainal Abidin