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Abstract
Suture pad merupakan alat peraga medis yang krusial dalam mendukung proses pembelajaran mahasiswa kedokteran. Alat ini dirancang untuk membantu mahasiswa mempraktikkan teknik menjahit luka dalam kondisi yang menyerupai jaringan tubuh manusia tanpa menimbulkan risiko bagi pasien. Suture pad biasanya dibuat dari silicon rubber dengan penambahan katalis. komposisi katalis bisa saja merubah sifat mekanik seperti kekerasan dan densitas Penelitian ini bertujuan untuk menganalisis pengaruh persentase katalis pada campuran silicon rubber terhadap nilai kekerasan dan densitas yang digunakan dalam pembuatan suture pad. Material yang digunakan berupa silicon rubber jenis RTV-48, yang dicampur dengan katalis pada konsentrasi 2% hingga 20%. Setelah proses pencampuran dan pemadatan selama 24 jam, spesimen diuji menggunakan durometer shore-A untuk mengukur kekerasan dan
metode perhitungan massa per volume untuk mengukur densitas. Hasil penelitian menunjukkan bahwa peningkatan persentase katalis meningkatkan kekerasan material secara signifikan dari 23 HA (katalis 2%) hingga 31,1 HA (katalis 20%). Namun, pada konsentrasi katalis di atas 16%, peningkatan kekerasan cenderung melambat dan mendekati nilai saturasi. Sebaliknya, nilai densitas tetap konstan pada 1,15 gr/ml, hal ini menunjukkan komposisi persentase katalis tidak memengaruhi densitas secara signifikan.
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References
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- Pangestu, W. A., Prawibowo, H., Ismail, R., & Wahid, M. A. (2024). Sifat mekanik silicone rubber sebagai kandidat bahan pengganti alat latihan suturing. Jurnal Teknik Mesin, 04(01), 15–24.
- Papa, F., Vasile, A., & Dobrescu, G. (2022). Effect of the modification of catalysts on the catalytic performance. Catalysts, 12(12). https://doi.org/10.3390/catal12121637
- Sharudin, R., Mat-Shayuti, M. S., & Ohshima, M. (2021). Rheological comparison of silicone rubber crosslinking with platinum catalysts and triethylamine, methanol & ethanolamine solvents. Iranian Journal of Materials Science and Engineering, 8. https://doi.org/10.22068/ijmse.2067
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References
Dąbrowska, A. K., Rotaru, G.-M., Derler, S., Spano, F., Camenzind, M., Annaheim, S., Stämpfli, R., Schmid, M., & Rossi, R. M. (2016). Materials used to simulate physical properties of human skin. Skin Research and Technology: Official Journal of International Society for Bioengineering and the Skin (ISBS), International Society for Digital Imaging of Skin (ISDIS), and International Society for Skin Imaging (ISSI), 22(1), 3–14. https://doi.org/10.1111/srt.12235
Hassan, A. K., & Abdul Ameer, Z. J. (2022). Effect of the cure time on the mechanical properties of silicone rubber used as socket liners. IOP Conference Series: Earth and Environmental Science, 961(1). https://doi.org/10.1088/17551315/961/1/012100
Jeong, H., & Jang, K.-S. (2024). Catalysis of silver and bismuth in various epoxy resins. Polymers, 16(3). https://doi.org/10.3390/polym16030439
Wang, X., Liu, M., Ye, T., Huang, J., Xu, X., Li, M., Zhao, X., Lu, H., & Yang, J. (2023). A stretchable hardness sensor for the assessment of skin disease in systemic sclerosis. RMD Open, 9(4), 1–9. https://doi.org/10.1136/rmdopen-2023-003512
Khafidh, M., Firdaus, A., & Velayati, I. (2020). Analisis sifat mekanik karet silikon sebagai kandidat prepusium sintetik pada alat peraga khitan. Jurnal Rekayasa Mesin, 15, 176. https://doi.org/10.32497/jrm.v15i3.1977
Lakhani, P., Dwivedi, K. K., Parashar, A., & Kumar, N. (2021). Non-invasive in vivo quantification of directional dependent variation in mechanical properties for human skin. Frontiers in Bioengineering and Biotechnology, 9(October), 1–13. https://doi.org/10.3389/fbioe.2021.749492
Mirnandaa, D., Mawandi, F. R., Safitri, P. D., Nurrokim, F. H. R., & Lestari, W. D. (2024). Pengaruh pengujian kekerasan pada silicon rubber dalam penambahan talc dan katalis dengan metode ISO 48. Jurnal Teknik Mesin, 104–108.
Murugan, S. S. (2020). Mechanical properties of materials: Definition, testing and application. International Journal of Modern Studies in Mechanical Engineering (IJMSME), 6(2), 28–38. http://doi.org/10.20431/24549711.0602003
Pangestu, W. A., Prawibowo, H., Ismail, R., & Wahid, M. A. (2024). Sifat mekanik silicone rubber sebagai kandidat bahan pengganti alat latihan suturing. Jurnal Teknik Mesin, 04(01), 15–24.
Papa, F., Vasile, A., & Dobrescu, G. (2022). Effect of the modification of catalysts on the catalytic performance. Catalysts, 12(12). https://doi.org/10.3390/catal12121637
Sharudin, R., Mat-Shayuti, M. S., & Ohshima, M. (2021). Rheological comparison of silicone rubber crosslinking with platinum catalysts and triethylamine, methanol & ethanolamine solvents. Iranian Journal of Materials Science and Engineering, 8. https://doi.org/10.22068/ijmse.2067
Singh, M. (2023). Catalysis: Accelerating chemical reactions for a sustainable future. Advanced Materials Science, 6(3), 54–56. https://doi.org/10.37532/aaasmr.2023.6(3).54-56