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Variations in Degradability Properties of Low Density Polyethylene Blended with Potato Starch
Corresponding Author(s) : Sanjay K. Sharma
Asian Journal of Chemistry,
Vol. 30 No. 6 (2018): Vol 30 Issue 6
Abstract
The conversion of existing synthetic plastics to biodegradable would be one of the efficient path to reduce the solid waste in environment with the reduction of durability and inertness. In the present study, the extent of degradation of low density polyethylene (LDPE) blended with potato starch was evaluated. Samples were processed with different concentrations of potato starch (5, 10, 15, 20 and 25 %). Glycerol as a plasticizer and Fe2(SO4)3 as a pro-oxidant were added to the compound. The effect of potato starch variations on the mechanical properties (tensile strength and elongation), melt flow rate and density of the blended materials were examined. The biodegradation of the compounds in soil was evaluated in terms of loss of mass on regular intervals of 2, 4 and 6 months. Further the outcomes were also verified by FTIR and SEM. The results shown that with higher percentage of potato starch content, the biodegradability of the compounds enhanced. The biodegradation of the samples in soil burial after six months shown that the mass of the compounds decreased with higher percentage of potato starch concentrations.
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- M. Rutkowska, A. Heimowska, K. Krasowska and H. Janik, Pol. J. Environ. Stud., 11, 267 (2002).
- Ch. Albertsson and S. Karlsson, Conference Proceedings: Degradable Polymers for the Future, Polymers from Renewable Resource and their Degradation, Department of Polymer Technology, Stockholm, Sweden (1994).
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- M. Borghei, S. Khoramnejadian and B. Hejazi, BioTechnol. Indian J., 7, 163 (2013).
References
M. Rutkowska, A. Heimowska, K. Krasowska and H. Janik, Pol. J. Environ. Stud., 11, 267 (2002).
Ch. Albertsson and S. Karlsson, Conference Proceedings: Degradable Polymers for the Future, Polymers from Renewable Resource and their Degradation, Department of Polymer Technology, Stockholm, Sweden (1994).
B. Raj, U.S. K and Siddaramaiah, Adv. Polym. Technol., 23, 32 (2004); https://doi.org/10.1002/adv.10068.
S. Wang, J. Yu and J. Yu, Polym. Int., 54, 279 (2005); https://doi.org/10.1002/pi.1668.
S.K. Sharma and M. Ackmez, A Handbook of Applied Biopolymer Technology, Synthesis, Degradation and Application, Thomas Graham House, Science Park, Milton Road, Cambridge CB40WF, UK, Royal Society of Chemistry, pp. 332 (2011).
K. Makhijani, R. Kumar and S.K. Sharma, Crit. Rev. Environ. Sci. Technol., 45, 1801 (2015); https://doi.org/10.1080/10643389.2014.970682.
C.L. Swanson, R.L. Shogren, G.F. Fanta and S.H. Imam, J. Environ. Polym. Degrad., 1, 155 (1993); https://doi.org/10.1007/BF01418208.
A.S.A. Khiar and A.K. Arof, World Acad. Sci. Eng. Technol., 59, 23 (2011).
C. Bastioli, Starke, 53, 351 (2001); https://doi.org/10.1002/1521-379X(200108)53:8<351::AID-STAR 351>3.0.CO;2-R.
M. Borghei, S. Khoramnejadian and B. Hejazi, BioTechnol. Indian J., 7, 163 (2013).