Characterization and properties of cellulose microfibers from water hyacinth filled sago starch biocomposites

Syafri, Edi and Jamaluddin, Jamaluddin and Wahono, Sentot and A, Irwan and Asrofi, Mochamad and Sari, Nasmi Herlina and Fudholi, Ahmad (2019) Characterization and properties of cellulose microfibers from water hyacinth filled sago starch biocomposites. International Journal of Biological Macromolecules.

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Abstract

investigated. The CMF was isolated by pulping, bleaching and acid hydrolysis methods. The addition of CMF in sago matrix was varied i.e. 0, 5, 10, 15 and 20wt%. Biocomposites were made by using solution casting and glycerol as a plasticizer. The biocomposites were also determined by tensile test, FTIR, X-Ray, thermogravimetric, SEM, and soil burial tests. The results show that the SS15CMF sample has the highest tensile strength of 10.23MPa than those other samples. Scanning Electron Microscope (SEM) images show that the strong interaction was formed between CMFWH and matrix. Fourier Transform Infra-red (FTIR) indicated that the functional group of biocomposites was a hydrophilic cluster. The addition of CMFWH in sago starch biocomposites lead to themoisture barrier, crystallinity, and thermal stability increased; it is due to the pure sago starch filmwasmore rapidly degraded than its biocomposites.

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