Synthesis of polystyrene/starch/CNT composite and study on its biodegradability

This paper presents the preparation of polystyrene-starch- carbon nanotubes composite by solvent casting technique. Phases present in the samples were analyzed using X-ray diffraction (XRD). The changes in the functional group of polystyrene after the addition of starch and carbon nanotubes were ana...

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Bibliographic Details
Published in:Journal of polymer research 2020, Vol.27 (7), Article 187
Main Authors: Chaudhary, Ashutosh Kr, Vijayakumar, R. P.
Format: Article
Language:English
Subjects:
Biodegradability
Biodegradation
Carbon
Carbon nanotubes
Characterization and Evaluation of Materials
Chemistry
Chemistry and Materials Science
Fourier transforms
Functional groups
Industrial Chemistry/Chemical Engineering
Infrared analysis
Infrared spectroscopy
Original Paper
Polymer matrix composites
Polymer Sciences
Polystyrene resins
Scanning electron microscopy
Soil analysis
Surface layers
Thermal stability
Thermogravimetric analysis
Weight loss
X-ray diffraction
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Summary:This paper presents the preparation of polystyrene-starch- carbon nanotubes composite by solvent casting technique. Phases present in the samples were analyzed using X-ray diffraction (XRD). The changes in the functional group of polystyrene after the addition of starch and carbon nanotubes were analyzed through Fourier-transform infrared spectroscopy (FTIR). An increase in the thermal stability of prepared composite was observed after the addition of starch and carbon nanotubes with respect to pure polystyrene as analyzed by Thermogravimetric analysis (TGA). Further, addition of starch and carbon nanotubes (CNTs) increases the number of decomposition sites. Scanning Electron Microscopy (SEM) analysis revealed the modifications in surface texture of polystyrene after addition of starch and CNTs. The addition of CNTs gave a conductivity of 9.148 × 10 −3 1/Ω cm for polystyrene-starch (35%)-CNT (15%) composite. Biodegradation of the polymer composites after 3 months of soil burial period was analyzed by weight loss, XRD, FTIR, TGA and SEM analysis.
ISSN:1022-9760
1572-8935
DOI:10.1007/s10965-020-02164-8