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Journal : Jurnal Inotera

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Study of Thermal Behavior of Phase Change Material Based Fatty Acid Encapsulated PLA for Gypsum Board Application Aidy, Nurhanifa; Teuku Rihayat; Lindawati; Iqbal; Mahyuddin
Jurnal Inotera Vol. 10 No. 1 (2025): January-June 2025
Publisher : LPPM Politeknik Aceh Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31572/inotera.Vol10.Iss1.2025.ID450

Abstract

Phase Change Material is one form of renewable energy utilization that can be applied to the walls of a house to support the work of the AC to be more efficient. This material works by absorbing solar heat energy, storing it, then releasing it out so that the wall does not conduct heat into the room which will affect the workload of the AC. Lauric and stearic fatty acids are one of the superior PCM forming materials. In this study, PCM was made using a mixture of eutectic fatty acids modified with lactic acid. The method used is the direct mix method (direct mixing). PCM fatty acid materials (Laurate-Stearate) are combined into a binary mixture of eutectic fatty acids at a composition of 86%: 14% w/w. Furthermore, modifications are carried out with poly lactic acid (P) in three composition variations (L-S):P, namely (0.5: 1), (0.7: 1.0), (0.9: 1.0). Samples will be prepared in a laboratory scale model and their energy analysis will be carried out. Based on DSC testing, it was concluded that the highest latent heat was achieved by sample LSPb with a value of 101.53 J/g. The second place was taken by sample LSPc, followed by LSPa and the lowest latent heat was sample GLSP0. In line with this, the lowest melting point as an indication that PCM can withstand hot air temperatures is also found in sample LSPb . Among the four test samples, TGA data showed that sample LSPb was the sample that had the best thermal stability among the other samples with the furthest onset and endset values and the smallest % weight loss with values of 154.60 oC, 191.11 oC and 3.87% weight loss, respectively. The use of 0.7 times the amount of poly lactic acid to the eutectic mixture can absorb heat best. However, the excessive amount of poly lactic acid added actually causes a decrease in the absorption capacity and the ability to maintain heat in the PCM sample. The eutectic mixture of lauric and stearic fatty acids and the addition of poly lactic acid in the gypsum matrix successfully formed PCM which can be a candidate for room temperature control material in energy-efficient building wall applications.
Co-Authors Abid Raif Rahmatullah Achmad Udin Zailani Ade Tutty R. Rosa Agus Purwoko Ahmad Tavip Baiturahman Ahmad, Haslinah Alaisyi Ally Akbar Salim Alprida Harahap Amalia Amelia Putri, Shinta Ani Fadmawaty Anto Anto J. Hadi Anzilal Fauji Ari Wibowo Arief Suryono Arizah, Mila Arlinda, Sari Aryanti Awaluddin Br. Ketaren, Nurjama'yah Clorina, Jesslyn Cuandra, Fendy Dadang Permana Daimon Syukri Defriani Dwiyanti, Defriani Dendy Syahrul Kamil Deta Mediana, Salwa Dewi Maya Sari Diana Chalil Edi Warsito Efrianti, Rini Eka Wijayanti Elisabet Siahaan Emilia Hesti Enda Kartika Sari, Enda Kartika Endi Jamjuri Etika Herdiarti etti sartina siregar Fadhli, Mohammad Fahril Sidik Alfarizi Finta Aldian Wahyuni Fiona Gunawan Syahrantau Haiqal, Arya Hendawati Iin Irawati Intan Kumalasari Iqbal IRDAWATI Irmawartini Isfenti Sadalia Iwan Setiawan Joey Jovianto Junita Kartika Sari, Endah Kelvin Lailul Nazah M. Parawangsa M.Miskun Arrihussalam Mahaza Mahyuddin Makbul, Ahmad MARNIATI Maulana, Utama Graha Mhd.Buhari Sibuea Moch. Galdiaz Nugraha Prawira Mohammad Fadhli Monarisa Muhammad Ali Faishal Muhammad Asrizal Muhammad Farras Haidar Muhammad Ridho Muhammad Suryadindin Muklis Muthia Mutmainah Aprinelia Nadia Putri Nadra Nazwa Tiara Herdiani Ng, Irvin Nindrea, Ricvan Dana Ningsih, Elsa Agustia Nona Valentine Sirait Novera Kristianti Maharani Nurcinta Asih Nurhanifa Nurhanifa Nursarah Sahirah Oktafiandi, Randu Oktarianto, Eddy Perangin-angin, Ratna Amenawati Permata, Nadiva Surya Pramudya Renaldi S. Pramudya Reynaldi Salim Purry Widiarko Rahma Rohimah Hinaffisah Rahmanta Rahmayani Raihan Ilyasah Reni Koja Rikandi, Meta Riviwanto, Muchsin Rizki Anugrah Munawar Rizkyanto, Ridwan Roeslan Djutalov Rohimat Rusdiyah Sudirman Made Ali Ryan Ardiansyah Salmiah Sandi Dzulfikar Sari Arlinda Savira, Izza Aulia Shoddam Palah Sifa Nur Maisah Silviana, Mery Soim, Sopian Soim Sopian Soim, Sopian Sri Lestari Adriyanti Sri Utami Sugriarta, Evino Suksmerri Sulwan Permana Suprapto, Yandi Syamsul Mu’arif Teuku Rihayat Valentini, Cynthia Vebby Amellia Edwin Viviani Wardani, Sari Warsito, Edy Warsito Wasludin Wulandari Cahyani Putri Yayu Juita Agustina Tobing Yolanda, Triyana Yonika Rivani Yudhistira Gibran Zai, Immanuel Zakaria, Hadi Zamakhari, Ahmad