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Journal : Konversi

Unveiling the role of cellulose solvent systems in direct and sustainable silica amination: a new pathway beyond aminopropyl agents Ajiz, Hendrix Abdul; Widiyastuti, Widiyastuti; Setyawan, Heru; Muljani, Srie; Suryandari, Ade Sonya; Erliyanti, Nove Kartika
Konversi Vol 14, No 2 (2025): OCTOBER 2025
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/k.v14i2.23610

Abstract

The functionalization of silica surfaces using sustainable amine sources is critical for advancing environmentally friendly materials in CO2 capture technologies. In this study, bio-based organosilanes derived from coconut fiber cellulose were explored as a green alternative to conventional aminosilane. Two solvent systems DMSO/NH4OH and NaOH/urea were utilized to dissolve and regenerate cellulose, enabling direct grafting onto silica surfaces. Comparative analysis revealed that while DMSO/NH4OH-dissolved cellulose exhibited a modest amine loading of 23.43% wt, comparable to aminopropyl-based modification (22.41% wt), the NaOH/urea system significantly improved the grafting efficiency, reaching 40.52% wt. This enhancement is attributed to urea’s amphiphilic properties, which facilitate both hydrophobic interactions and carbamate formation. The use of a sulfur-free NaOH/urea system not only improves performance but also aligns with green chemistry principles. These results demonstrate the potential of biomass-derived cellulose as a viable modifying agent for silica, paving the way for scalable, low-toxicity, and circular-economy-based material design strategies.
Co-Authors Achmad Chumaidi, Achmad Achmad Sjaifullah Achmad Sjaifullah Agung Ari Wibowo Agus Budi Santoso Ahsan, Muhammad Hafizh Ajiz, Hendrix Abdul Akhmad Hariadi An Nisaa’ Fithriasari An Nisaa’ Fithriasari Anak Agung Istri Sri Wiadnyani Andika Soharmat Aprijaya Anisa Rahma Dewi Ardiansyah, Fikri Ardiansyah, Septian Dicky Ardiansyah, Zainur Risky Arfiansyah, Ilham Arif Rahman Hakim Asalil Mustain Asalil Mustain Asalil Mustain Asalil Mustain Asalil Mustain Bachtiar Asfin Sulistiyanto Brigita Noviyanti Chrisnandari, Rosita Dwi Dana Wahyu Pratama Dana Wahyu Pratama Desi Nurisnaeni Saputri Dewajani, Heny Dewi, Anisa Rahma Dewi, Ernia Novika Eko Naryono Erliyanti, Nove Kartika Etom Baharudin Ardhi Wijaya Faishal Arif Murtadho Fani, Luqman Aji Bagus Fania Ayu Rahmadhani Hanafia, Lifia Surya Hardjono Hardjono Hardjono Hardjono Hardjono Hardjono Hardjono Hariadi, Akhmad Heru Setyawan Inayatul Maula Inayatul Maula Inayatul Maula Intan Prasetya Mudi Irma Zahrotul Mahsunah Isnaini, Steella Lifia Surya Hanafia Mahsunah, Irma Z. Maula, Inayatul Maya, Poppy Puspa Ma’rifat, Muchammad Irvan Moh. Tohir Moh. Yusrin Nizam Muchammad Irvan Ma'rifat Mufid Mufid mufid mufid Mufid Mufid Muhammad Muhajjir Syarifuddin Muhammad Suharto Murtadho, Faishal Arif Naila Adiba Noor Isnaini Azkiya Nurhaning Ilmika Nugraheny Poppy Puspa Maya Pravianti Anindita Nastiti Pravianti Anindita Nastiti Putra, Syahrheza Kurniawan Putri Diana Kartika Eki Putri, Vemmy Nurmala Andhani Rahmadhani, Fania Ayu Rulianah, Sri Sa'diyah, Khalimatus Septian Dicky Ardiansyah Shinta Devi Nurkhasanah Sigit Hadiantoro, Sigit Sindhuwati, Christyfani SRIE MULJANI Vania Mitha Pratiwi Vemmy N.A. Putri Widiyastuti Widiyastuti Wulandari, Adinda Putri Yasinta Octaliya Rosly