Fauzi Muhammad Djuned, Mohammad Asad, Mohamad Nasir Mohamad Ibrahim, Wan Rosli Wan Daud
Cellulose acetate (CA) was successfully synthesized by the acetylation of TCF cellulose pulp from oil palm empty fruit bunches (OPEFB) at room temperature, using acetic anhydride as the acetylating agent and acetic acid as the solvent in the presence of sulfuric acid/sodium bisulfate as catalysts. Degree of substitution (DS) was controlled by the variables of acetylation time and acetic anhydride to cellulose ratio, under the heterogeneous state. The product (CA) obtained was characterized through Fourier transform infrared spectroscopy (FTIR), nuclear magnetic resonance spectroscopy (NMR), differential scanning calorimetry (DSC), X-ray diffraction (XRD), and scanning electron microscopy (SEM). The results indicate that the CA obtained has characteristics similar to commercial CA, and DS is significantly dependent on acetylation time and the acetic anhydride-to-cellulose ratio. © 2014 North Carolina State University.
Bioresource, Paper and Coating Technology Division, School of Industrial Technology, Universiti Sains Malaysia, Minden, Penang, 11800, Malaysia; Chemical Engineering Department, Universitas Syiah Kuala, Jl. Syech Abdurrauf Kopelma Darussalam, Banda Aceh, Indonesia; School of Chemical Sciences, Universiti Sains Malaysia, Minden, Penang, 11800, Malaysia
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