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The effect of high UV radiation exposure environment on the novel PVC polymers


Although plastic induces environmental damages, almost the consumption of poly(vinyl chloride) never stops increasing. Therefore, this work abstracted by two parts, first, synthesis of Schiff bases 1–4 compounds through the reaction of amino group with appropriate aromatic aldehyde, reaction of PVC with Schiff bases compounds 1–4 in THF to form a new modified PVC-1, PVC-2, PVC-3, and PVC-4. The structures of Schiff bases 1–4 and the modified PVC-1, PVC-2, PVC-3, and PVC-4 have been characterized by different spectroscopic analyses. Second, the influence of introducing 4-amino-1,2,4-triazole as a pendent groups into PVC chain investigated on photostability rules of tests. The modified polymers photostability investigated by observing indices (ICO, Ipo, and IOH), weight loss, UV and morphological studies, and all results obtained indicated that PVC-1, PVC-2, PVC-3 and PVC-4 gave lower growth rate of ICO, IPO, and IOH through UV exposure time. The photostability are given as PVC-4 < PVC-3 < PVC-2 < PVC-1 from different mechanisms which suggested building on existence of 4-amino-1,2,4-triazole moieties in the polymer chain.

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This project is supported by the Al-Nahrain, Al-Mustansiriyah, Tikrit, Kebangsaan Malaysia, Bani Walid, and Nizwa Universities.

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Yousif and Hameed designed the experiments. Muhamed and Ahmed analyzed and performed the experimental data. Yousif, Hameed, Ahmed, Muhamed, Yusop, and Ahmed wrote the paper. All authors discussed and improved the final text of this paper.

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Correspondence to Emad Yousif.

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Yousif, E., Ahmed, D.S., Ahmed, A.A. et al. The effect of high UV radiation exposure environment on the novel PVC polymers. Environ Sci Pollut Res 26, 9945–9954 (2019).

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  • Modified PVC
  • Films
  • Surface modification
  • Nucleophilic substitution