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Putri Amanda
Pusat Penelitian Biomaterial LIPI Jl Raya Bogor KM 46 Cibinong 16911
Materials Science & Nanotechnology

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SURFACE MODIFICATION OF TEMPO-MEDIATED CELLULOSE NANOFIBRIL WITH OCTADECYLAMINE Nanang Masruchin; Arif Nuryawan; Wida Banar Kusumaningrum; Sudarmanto Sudarmanto; Lilik Astari; Putri Amanda; Resti Marlina; Lisman Suryanegara
Jurnal Sains Materi Indonesia Vol 20, No 4: JULY 2019
Publisher : Center for Science & Technology of Advanced Materials - National Nuclear Energy Agency

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (625.154 KB) | DOI: 10.17146/jsmi.2019.20.4.5308

Abstract

In this study, surface modification of 2,2,6,6-tetramethylpiperidine-1-oxyl radical TEMPO-cellulose nanofibrils (TCNF) was obtained by 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride (EDC) and N–hydroxysuccinimide (NHS)-mediated system. The carboxylate groups on TCNF surface was replaced by conjugation of octadecylamine (ODA). The conversion of the carboxylate groups on CNF into amide I and II groups was confirmed by attenuated transform reflectance-infrared (ATR-FTIR) and elemental analysis study. Further, decarboxylation of TCNF at higher temperature was hindered by the presence of amide groups resulted in the higher thermal stability of TCNF as observed by thermogravimetry analysis (TGA). These results suggested the possibility of modifying surface negatively charged of TCNF with conjugated amine groups into thermally stable nanocellulose.
Co-Authors Arif NURYAWAN Lilik Astari Lisman Suryanegara Nanang Masruchin Resti Marlina Sudarmanto Sudarmanto Wida Banar Kusumaningrum