THE IMPROVEMENT OF RAMIE FIBER PROPERTIES AS COMPOSITE MATERIALS USING ALKALIZATION TREATMENT: NaOH CONCENTRATION
Keywords:
composite material, alkalization, ramie fiber characteristicsAbstract
PENINGKATAN PROPERTIS SERAT RAMI SEBAGAI PENYUSUN MATERIAL KOMPOSIT MELALUI PERLAKUAN KIMIA ALKALISASI: KONSENTRASI NaOH. Serat rami merupakan serat tumbuhan yang memiliki kualitas baik dan berpotensi sebagai penyusun material komposit. Pada penelitian ini dilakukan modifikasi permukaan serat rami melalui perlakuan kimia alkalisasi dengan variasi konsentrasi NaOH 0%, 4%, 5%, 6%, 7%, 8% dan 9% menggunakan magnetic stirrer dengan kecepatan 200 rpm pada suhu 70οC selama 5 jam. Serat rami hasil alkalisasi dikarakterisasi menggunakan metode Cheson untuk mengetahui komposisi kimia serat rami, uji FT-IR untuk mengetahui gugus fungsi serat rami, uji morfologi untuk mengetahui struktur permukaan dan diameter serat rami, serta uji tarik untuk mengetahui kuat tarik dan modulus tarik komposit PLA/rami. Secara keseluruhan peningkatan konsentrasi NaOH hingga persentase 8% mampu meningkatkan kadar selulosa dan lignin serat rami yaitu 88,180% dan 2,444%, serta menurunkan kadar hemiselulosa yaitu 1,446%. Perlakuan alkalisasi NaOH 8%, optimum menurunkan sifat hidrofilik pada serat. Peningkatan konsentrasi NaOH membuat permukaan serat semakin bersih dan diameternya semakin kecil, namun struktur serat mengalami kerusakan pada konsentrasi NaOH lebih dari 8%. Hasil uji tarik menunjukkan serat rami hasil alkalisasi dengan konsentrasi NaOH 8% menghasilkan komposit PLA/rami dengan kuat tarik dan modulus tarik tertinggi yaitu 57,37 MPa dan 248,25 MPa. Dengan demikian, propertis serat rami optimum ditingkatkan menggunakan metode alkalisasi pada konsentrasi NaOH 8%.
Downloads
References
. P. Sahu and M. K. Gupta. “A review on the properties of natural fibres and its bio-composites:effect of alkali treatment.” in Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, vol. 234, no. 1, pp. 198–217, Sep. 2020.
. A. L. Naidu and P. S. V. R. Rao. “A review on chemical behaviour of natural fiber composites.” International Journal of Chemical Sciences, vol. 14, no. 4, pp. 2223–2238, 2016.
. S. Debnath. “Sustainable production of bast fibres.” in Proceedings of Sustainable Fibres and Textiles, pp. 69–85, 2017.
. S. Jose, S. Rajna, and P. Ghosh. “Review article ramie fibre processing and value addition.” Asian Journal of Pharmaceutics, vol. 7, no. 1, pp. 1–9, 2017.
. T. R. Teja, D. V. Rao, A. L. Naidu, and M. V. A. R. Bahubalendruni. “Mechanical and chemical properties of ramie reinforced composites and
manufacturing techniques: a review.” International Journal of Renewable Energy Development, vol. 8, no. 5, pp. 2349–3585, 2017.
. M. J. Mochane et al.. “Recent progress on natural fiber hybrid composites for advanced applications: a review.” Express Polymer Letters, vol. 13, no. 2, pp. 159–198, 2019.
. M. Akay, An Introduction to Polymer Matrix Composites. Irlandia: Ventus Publishing APs, 2015.
. M. G. Raucci et al.. “Effect of citric acid crosslinking cellulose-based hydrogels on osteogenic differentiation.” Journal of Biomedical = Materials Research - Part A, vol. 103, no. 6, pp. 2045–2056, 2015.
. Y. Kondo and M. Arsyad. “Efek perendaman alkali terhadap kandungan lignoselulosa serat sabut kelapa.” in Seminar Nasional Hasil Penelitian & Pengabdian Kepada Masyarakat (SNP2M), pp. 40–44, 2018.
. D. Jones, G. O. Ormondroyd, and S. F. Curling. “Chemical compositions of natural fibres.” Adv. High Strength Nat. Fibre Compos. Constr., pp 23–58, 2017.
. V. Mittal, Surface Modification of Nanoparticle and Natural Fiber Fillers. Jerman: Wiley-VCH, 2015.
. D. K. Debeli, Z. Qin, and J. Guo. “Study on the pretreatment, physical and chemical properties of ramie fibers reinforced poly (lactic acid)(pla) biocomposite.” Journal of Natural Fibers, vol. 15, no. 4, pp. 596–610, 2017.
. E. Syafri, A. Kasim, H. Abral, and A. Asben. “Pengaruh chemical treatment terhadap sifat fisik, kandungan selulosa and kekuatan tarik serat alam rami.” Jurnal Teknologi Pertanian Andalas, vol. 19, no. 18–24, 2015.
. K. Kusmono, M. W. Wiland, and M. N. Ilman. “A preliminary study of extraction and characterization of nanocrystalline cellulose (ncc) from ramie fiber.” Journal of Material Processing and Characterization. 1(2019), vol. 1, pp. 42–46, 2019.
. N. Hilal, A. F. Ismail, T. Matsuura, and D. OatleyRadcliffe, Membrane Characterization. Netherland: Elsevier B.V, 2017.
. M. Teli and A. Jadhav. “Effect of mercerization on the properties of panandus odorifer lignocellulosic fibre.” iosr journal of polymer and textile engineering, vol. 04, no. 01, pp. 07–15, 2017.
. M. K. Bin Bakri, E. Jayamani, S. Hamand, M. R. Rahman, K. H. Soon, and A. Kakar. “Fundamental study on the effect of alkaline treatment on natural fibers structures and behaviors.” ARPN Journal of Engineering and Applied Sciences, vol. 11, no. 14, pp. 8759–8763, 2016.
. G. Refiadi, Y. S. Syamsiar, and H. Judawisastra. “Serat bambu pada akibat penyerapan air.” Jurnal Sains Materi Indonesia, vol. 19, no. 3, pp. 98–104, 2018.
. L. Warandi, N. Noerati, and D. Sugiyana. “Characterization of composite containing ldpe (low density poly ethylene) and modified pineapple leaf fiber.” Jurnal Sains Materi Indonesia, 21(4), pp.184-189, Dec. 2020.
. D. K. Debeli, M. Tebyetekerwa, J. Hao, F. Jiao, and J. Guo. “Improved thermal and mechanical performance of ramie fibers reinforced poly (lactic acid) biocomposites via fiber surface modifications and composites thermal annealing.” Polymer Composites, vol. 39, pp. E1867–E1879, 2018.
. C. Wang, Z. Ren, S. Li, and X. Yi. “Effect of ramie fabric chemical treatments on the physical properties of thermoset polylactic acid.” Aerospace, vol. 5, no. 3, pp. 1–12, 2018.
. E. Syafri, A. Kasim, H. Abral, A. Asben, and Sudirman. “Berbasis filler cellulose micro fibers rami.” Jurnal Sains Materi Indonesia, vol. 19, no. 2, pp. 66–71, 2018.
Downloads
Published
How to Cite
Issue
Section
License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.
