alexa Biodegradability Studies of Bio-Composites of Polypropylene Reinforced By Potato Starch
ISSN ONLINE(2319-8753)PRINT(2347-6710)

International Journal of Innovative Research in Science, Engineering and Technology
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Research Article

Biodegradability Studies of Bio-Composites of Polypropylene Reinforced By Potato Starch

Srabayeeta Basu Roy1, Subhas C Shit2, Ranjan A Sengupta3, Premal R Shukla1
  1. Dept of Chemical Engg., Dharmsinh Desai University, College Rd, Chalali, Nadiad, Gujarat, India
  2. Research and Development Department, Central Institute of Plastics Engineering and Technology (CIPET), GIDC, Vatva, Ahmedabad, Gujarat, India
  3. Dept. of Chemical Engg., Faculty of Technology & Engg., M.S. University of Baroda, Vadodara, Gujarat, India
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In this study, poly propylene (PP)/potato starch (PS) blend films are prepared using the two roll mill machine. The biodegradability of the films is investigated by soil burial method over a period of 4 months. The percentage weight loss of the bio-composites in the compost soil burial test is increasing with increasing PS content. The biodegradability of the bio-composites is enhanced with increasing starch content because the PS is easily attacked by microorganisms. Any changes in the various properties of the PP/PS before and after degradation are monitored using weight loss, FTIR spectroscopy, a scanning electron microscope (SEM) for surface morphology, a thermo gravimetric analyzer (TGA) for rapid determination of starch content and a differential scanning calorimeter (DSC) for crystallanity. It can be concluded from the results that use of these bio-composites will reduce the environmental problems associated with waste pollution and the study findings support the predicted application of bio-composites as green-composites or eco-materials.


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