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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 A.R Yelvia Sunarti Abdullah, Affan Zein Adelita Sidabutar Agustina, Meri Ajiz, Hendrix Abdul Amalia, Ayu Rizka Amelia Putri Kusherawati Anggelina, Efline Anggoro, Achmad Rahditya Viman AR Yelvia Sunarti Arianti, Rahma Dea Rerindra Astuti, Dwi Hery Bambang Wahyudi Bambang Wahyudi Wahyudi Caecilia - Pujiastuti Caecilia Pujiastuti Caecillia Pujiastuti Cahyo, Mei Syella Kurnia Putri Candra, Adi Clareta Rahmawati Maudy Damayanti, Savira Farizqy Darma, Apriandi Putra Diah Nur Fitri Midayoga Dwi Hery Astuti Dyah Suci Perwitasari Erliyanti, Nove Kartika Erwan Adi Saputro Faiqoh, Iklimatul Farida Pulansari Heru Setyawan Indah Dwi Wahyuningsih Isni Utami ISNI UTAMI J.E. Sutanto JE Sutanto Ketut Sumada Kindriari Nurma Wahyusi Kusuma, Kurnia Arifiani L.Urip Widodo, Yohandrik Novel Karaman Luluk Edahwati Maharani, Eka Ferdinda Putri Ayu Matovanni, Maudy Pratiwi Novia Maulana, Mochamad Titus Mega Rosilina Mega Rosilina Moch Iqbal Darmawan Mochamad Titus Maulana Mochamad Titus Maulana Mu’tasim Billah Nana Dyah Siswati, Anwar Zain and Mohammad Nicander, Priscillia stevanies Nofitasari, Luluk Novanto, Satria Agung Nove Kartika Noviardyanti, Fara Zabrina Nur Annisa Nur Hapsari Pamoedji, Yemima Natalia Eka Kristiyanti Pangestu, Titan Obby Pertiwi, Beta Cahaya Pradana, Alfian Rizki Prasetyo Hadi Prasetyo, Muhammad Dewa Pujiastuti, Caecilia Pujiastuti, Caecilia Pujiastuti, Caecilia Pujiastuti, Caecilia Pujiastuti, Caecilia - Putri, Alisyah Ananda Ramadhan, Mochamad Rafli Reva Edra Nugraha Rifaldi, Kornelius Rosilina, Mega S Suprihatin Sani Sani Sari, Amilia Putri Puspita Silviya Nur Ridha Sintha Soraya Santi Sri Redjeki Sukirmayadi Sukirmayadi Sunarti, A.R Yelvia Suprianti, Lilik Suprihatin Suryandari, Ade Sonya Susilowati sutiyono sutiyono Titi Susilowati Utami, Noni Esti Verbiawan, Erza Anggara Wahyu Hidayah Widiyastuti Widiyastuti Widyaningrum, Nilam Putri Wiraya, Wira Arta Wisnu Adi Prasojo Yulia S, Putri Arysanti