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Erschienen in: Polymer Bulletin 7/2019

16.10.2018 | Original Paper

Grafted ZnO nanoparticles used for development in photocatalytic degradation performance of polyethylene

verfasst von: Parisa Kamalian, Saied Nouri Khorasani, Amir Abdolmaleki, Rasoul Esmaeely Neisiany

Erschienen in: Polymer Bulletin | Ausgabe 7/2019

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Abstract

Efficient photocatalytic degradation of a commercial low-density polyethylene (LDPE) was developed via incorporation of polystyrene grafted ZnO nanoparticles. The free radical reaction was used for grafting process of the styrene monomer on the ZnO nanoparticle. Neat LDPE and composite LDPE films, containing pristine and grafted ZnO nanoparticles, were prepared via film blowing techniques. Fourier transform infrared spectroscopy (FTIR) and thermogravimetric analysis (TGA) were employed for investigation of successful grafting process and amount of grafting determinations. Tensile tests and weight loss assessments were used for evaluation of the photocatalytic degradation. The FTIR and TGA results confirmed the successful grafting, whereas the TGA results determined 16 and 39 wt% of polystyrene grafting on the ZnO nanoparticles. The mechanical tests showed that both incorporation of the nanoparticles and grafting increased the tensile strength of the prepared LDPE films. Photocatalytic degradation evaluations revealed that incorporation of ZnO nanoparticles improved the degradation in the composites films after 200-h UV irradiation. The polystyrene grafting increased the ZnO nanoparticle’s dispersion, whereas the increase in grafting from 15 to 39 wt% mitigated the efficiency of the ZnO photocatalytic performance. It was possibly due to the surrounding polystyrene that reduced the nanoparticle UV absorption.

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Metadaten
Titel
Grafted ZnO nanoparticles used for development in photocatalytic degradation performance of polyethylene
verfasst von
Parisa Kamalian
Saied Nouri Khorasani
Amir Abdolmaleki
Rasoul Esmaeely Neisiany
Publikationsdatum
16.10.2018
Verlag
Springer Berlin Heidelberg
Erschienen in
Polymer Bulletin / Ausgabe 7/2019
Print ISSN: 0170-0839
Elektronische ISSN: 1436-2449
DOI
https://doi.org/10.1007/s00289-018-2564-y

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