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Journal : Communications in Science and Technology

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Investigating the impact of nanoparticle geothermal silica loading on the mechanical properties and vulcanization characteristics of rubber composites Syabani, Muh Wahyu; Rochmadi; Perdana, Indra; Prasetya, Agus
Communications in Science and Technology Vol 8 No 1 (2023)
Publisher : Komunitas Ilmuwan dan Profesional Muslim Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21924/cst.8.1.2023.1190

Abstract

The present study investigates the effects of nanoparticle geothermal silica (NGS) on the mechanical properties and vulcanization characteristics of rubber compounds with various filler loadings. The rubber compounds were filled with 0, 20, 30, and 40 phr of silica. The properties of NGS were analyzed using transmission electron microscopy, particle size analyzer, and BET surface area analysis to examine its morphology, size distribution, and surface area. The mechanical properties and vulcanization characteristics of the rubber compounds reinforced with NGS were evaluated using a universal testing machine and moving die rheometer. The results showed that NGS possessed the primary particle sizes below 20 nm and a surface area of 168.35 m2/g. The interaction between silica and rubber determined the modulus of the rubber composites and the vulcanization characteristics. The tensile strength of the rubber compounds, meanwhile, showed a significant increase more than threefold as the filler loading increased from 0 phr to 30 phr, followed by a slight decline at 40 phr loading. The addition of 20 phr of silica led to a prolonged scorch time compared to the filler-free compound due to the adsorption of activators and accelerators. However, the scorch time decreased after reaching 30 phr of silica loading, which could be attributed to the higher amount of bound rubber covering a portion of the silica surface, thereby reducing its ability to adsorb the activator. The presence of silica with good thermal conductivity enabled a better heat transfer during the vulcanization process, resulting in shorter curing times for higher loading. Rubber compounds with an NGS loading of 30 phr demonstrated a favorable balance between filler-rubber interactions, vulcanization characteristics, and mechanical properties in the rubber compounds.
Co-Authors Agus Prasetya Agus Syahrani Angrum, Alna Triskaya Aprilianto, Doni Riski Aqmarin, Ifni Asfar, Dedy Ari Azmi, Chairanda Al Bernadetha Nadeak Bina, Risa Masdania Kartika Chandra Wahyu Purnomo Dany Try Hutama Hutabarat Darnita, Darnita Debora Demitra Diman, Paul Dwisetyo, Vici Erisyerico, Mimo Lalito Fadillah, Farika Asna Fajar Fajar Gazali Salim Hary Sulistyo Hasanah, Nunur Hasby, Nazar Hery Widijanto Himawan Tri Bayu Murti Petrus Hinode, Hirofumi Holten Sion, Holten Ilham Ilham Ilham Ilham Islamiah, Neneng Iswandi, Rizky Joni Bungai, Joni Juwita, Nadilla Rahma Kaharap, Mongga Karani, Elannari Karani, Elanneri Kathryn, Morse Kinanti, Divita Hayyu Kristanoval, Kristanoval Kriswantara, Glory Linarto, Lazarus Linggua Sanjaya Usop Lubis, Lili Kahirina Azhari Lubis, Rafly Aulia Manurung, Mangaraja Marhaban, Saiful Maria Arina Luardini Maria Arina Luardini Misrita Misrita, Misrita Muh. Wahyu Syabani Mustika, Pra Cipta Buana Wahyu Nadila, Indriani Najmiah, Lailatun Nasution, Adenisya Natalina Asi, Natalina Natasya Nita, Lisa Afria Noviasi Nur Muttaqien Zuhri Nurhasanah Nurhasanah Nurwidyaningrum, Kristanti Nuryoto Oscar, Scherschligt Panut Mulyono Pasaribu, Liza Umami Pattiasina, Petrus Jacob Paulina, Novely Esterika Petrus Jacob Pattiasina Petrus Poerwadi Pradnya Paramitha, Putu Elvira Pratiwi, Irda purwaka, albertus Putri, Julia Rahma Putri, Nelliza Rahman, Muhammad Irfan Rahmat Winata Ramadani, Fitra Ristati, Ristati Rizaldi, Muhammad Rochmadi Rumondang, Rumondang Salam, Agus Sanjaya Usop, Linggua Sari, M. Alpian Sasmithae, Lia Sedyatama, Deska Anggrait Silalahi, Juniar Tiurma Uli Silvianti, Annisa Sinuraya, Jusak Kencana Siregar, Fazriana Siti Arnisyah Siti Nurul Aisyiyah Jenie, Siti Nurul Aisyiyah Sitompul, Theresia Friska Damayanti Sitorus, Akmal Satria Alfin Sitorus, Muhammad Aldi Prayuda Slamet Sumardi, Slamet Sriwahyuni, Riza Sujoto, Vincent Sutresno Hadi Suryanaga, Edward Chandra Sutijan Syahrunsyah, Syahrunsyah Syapiq, Mirza Theasy, Yoan Thesaloga, Rino Umar, Vebrianti Veniaty, Syarah Verawati Verawati Wahyu Imam Santoso Wahyudi Budi Sediawan Wardani Dwi Wihastyanang, Wardani Dwi Warmita, Helena Karunia Weliyadi, Encik Widi Astuti Wijaya, Chandra Ridho Wildan Habibi Yupita, Yupita Zuwandana, Ahmad