Abstract

Nylon 6/6 and ZnO/nylon 6/6 nanocomposite films were prepared by solvent casting method. Morphological study displayed that ZnO NPs are better dispersed in nylon 6/6. However, some agglomerations were found by the incorporation of high quantities of fillers. The thermal stabilities of neat nylon 6/6 films decreased by addition of nanoparticles (NPs). DSC study shows that the NPs slow down the crystallization rate of neat polymer matrix. POM of Nylon 6/6 upon crystallization showed distinct sized spherulites, which decreased by the incorporation of NPs because of nucleation effect of NPs. The mechanical properties of neat polymer are decreased by addition of ZnO NPs, which might be due to agglomeration of fillers. The neat nylon 6/6 and ZnO/nylon 6/6 nanocomposite were used for the photodegradation of alizarin red (AR) dye, which shows that pure nylon 6/6 degraded about 28% dye while 30% ZnO/Nylon 6/6 degraded about 58.3% dye within 5 h irradiation.

Highlights

  • Nanocomposites are a class of new materials of multiple phases with a dispersed phase (fillers) having at least one dimensions in the nanometer scale (Murugesan and Scheibel 2020; Dunlop and Bissessur 2020)

  • Keywords Nanocomposite · Photodegradation · Nylon 6/6 · Nanoparticles · Alizarin red Nanocomposites are a class of new materials of multiple phases with a dispersed phase having at least one dimensions in the nanometer scale (Murugesan and Scheibel 2020; Dunlop and Bissessur 2020)

  • The nanocomposites preparation and photodegradation study are represented in Fig. 1.The dye degradation studies were carried out using UV/Vis spectrometer (Model = Shimadzu 1800, Japan)

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Summary

Introduction

Nanocomposites are a class of new materials of multiple phases with a dispersed phase (fillers) having at least one dimensions in the nanometer scale (Murugesan and Scheibel 2020; Dunlop and Bissessur 2020). Zinc oxide nanoparticles (ZnO NPs) were synthesized via chemical reduction technique and employed as fillers in Nylon 6/6 in order to avoid the above mentioned disadvantages. ZnO NPs affected the various properties of the Nylon 6/6 but too employed as photocatalyst for the photodegradation of Alizarin red dye.

Results
Conclusion
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