A quantitative spectroscopic study of the bleaching phenomena in photo-stabilized formulations containing PVC exposed to outdoor conditions

Mohammed H. Al-Mashhadani, Dina S. Ahmed, Hadeel Adil, Ahmed Ahmed, Hamsa Thamer, Basheer A. Hamad, Mustafa Abdallh, Ahmed Ahmed, Muna Bufaroosha, Salam A. Mohammed, Nadia Salih, Rahimi M. Yusop, Emad Yousif

Research output: Contribution to journalConference articlepeer-review

2 Citations (Scopus)

Abstract

Three novel phosphate esters have been synthesized and characterized by utilizing several techniques. 1H NMR, 31P NMR and FTIR spectroscopies show all need peaks to confirm the formation of target compounds. The synthesized materials were used as photo-stabilizers of PVC and they show very good results to stop the photo-degradation compare to blank PVC. The photo-stabilizers were used in few amounts about 0.5% by weight and the prepared films were irradiated for 500h by UV light. Different procedures were used to demonstrate the efficiency of phosphate esters as photo-stabilizers such as FTIR method, weight loss, and microscopic images. Compound 3 exhibits the best efficiency as an excellent inhibitor of photo-degradation for PVC films. Optical microscopy study demonstrated that using these additives keep the polymeric film surface smoother with fewer cracks after irradiation by UV light compare to blank polymer.

Original languageEnglish
Pages (from-to)2686-2692
Number of pages7
JournalMaterials Today: Proceedings
Volume42
DOIs
Publication statusPublished - 2021
Event3rd International Conference on Materials Engineering and Science, IConMEAS 2020 - Kuala Lumpur, Malaysia
Duration: Dec 28 2020Dec 30 2020

Keywords

  • Phosphate esters
  • Photostabilizers
  • Polyvinyl chloride
  • Schiff bases
  • Weight loss

ASJC Scopus subject areas

  • Materials Science(all)

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