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Vol. 32 No. 9 (2020): Vol 32 Issue 9, 2020

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Photocatalytic Degradation of High Density Polyethylene using CaO Nanocatalyst

https://doi.org/10.14233/ajchem.2020.22762
V.S. Kumawat
Department of Chemistry, PAHER University, Udaipur-313003, India
J.P. Bhatt
Department of Chemistry, PAHER University, Udaipur-313003, India
D. Sharma
Department of Chemistry, Vidya Bhawan Rural Institute, Udaipur-313002, India
S.C. Ameta
Department of Chemistry, PAHER University, Udaipur-313003, India
R. Ameta
Department of Chemistry, PAHER University, Udaipur-313003, India; Department of Chemistry, J.R.N. Rajasthan Vidyapeeth (Deemed to be University), Udaipur-313001, India

Corresponding Author(s) : R. Ameta

rakshit_ameta@yahoo.in

Asian Journal of Chemistry, Vol. 32 No. 9 (2020): Vol 32 Issue 9, 2020

Abstract

The photodegradation of high density polyethylene (HDPE) using CaO nanoparticles as a catalyst was carried out using 500 W lamp. After exposure, morphology as well as thermal properties of the HDPE was investigated by scanning electron microscopy (SEM) and differential scanning calorimetry (DSC). SEM results showed that the HDPE is more prone to crack into small fragments, which indicated a rise in crystallinity with different amounts of catalyst i.e. CaO nanoparticles. The DSC results confirmed the remarkable influence of photodegradation on degree of crystallinity (XC%), fusion enthalpy (ΔH J g-1) and melting temperature (Tm) of HDPE. Infrared spectrometry (FTIR) demonstrated all functional groups of HDPE, present before and after photodegradation. Overall results showed that HDPE was photodegraded into small fragments successfully by using CaO nanopartilces, where different functional groups such as carbonyl, esters and vinyl were obtained during chain scission.

Keywords

Nanoparticles Catalyst CaO Photocatalytic degradation Photocatalytic degradation High density polyethylene High density polyethylene
Kumawat, V., Bhatt, J., Sharma, D., Ameta, S., & Ameta, R. (2020). Photocatalytic Degradation of High Density Polyethylene using CaO Nanocatalyst. Asian Journal of Chemistry, 32(9), 2293–2297. https://doi.org/10.14233/ajchem.2020.22762
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