Open AccessStudy of SEM, XRD, TGA, and DSC of Cassava Bioplastics Catalyzed by Ethanol
Author(s) -
Hanny F. Sangian,
E. Maneking,
Seni H. J. Tongkukut,
Handy Indra Regain Mosey,
Verna A. Suoth,
Hesky Stefy Kolibu,
Adey Tanauma,
Guntur Pasau,
Ahmad Hasan As’ari,
Vecky A.J. Masinambow,
Bayu Achil Sadjab,
Mesike Sangi,
Sendy Beatrix Rondonuwu
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1115/1/012052
Subject(s) - bioplastic , thermogravimetric analysis , crystallinity , scanning electron microscope , acetic acid , differential scanning calorimetry , fourier transform infrared spectroscopy , nuclear chemistry , materials science , starch , glycerol , chemical engineering , chemistry , organic chemistry , composite material , waste management , physics , engineering , thermodynamics
This study aims at preparing and characterizing of bioplastics that utilized cassava biomass which was available abundantly in Indonesia. The bioplastic synthesis was conducted with two variations of the reactant, namely cassava + starch + glycerol + water + acetic acid (vinegar) and cassava + starch + glycerol + water + acetic acid + ethanol. Bioplastic obtained was characterized by employing scanning electron microscopic (SEM), X-Ray diffraction (XRD), Fourier transform infra-red (FTIR), thermogravimetric analysis (TGA), and differential scanning calorimetric (DSC). The results show that bioplastics with the second combination have a high degree of degradation, whereby they were consistent with XRD analysis, appearing a low crystallinity value. The functional groups have shown IR spectra presented the existence of C-H alkanes, C = O esters, and C-H alkene groups. While the surface morphology displayed a flat surface, which was relatively comparable to both samples and the reduction of sample mass during heating was at 2.32 mg.