Effect of ecofriendly grapefruit peel extract on PVC thin films photostabilizing tested under harmful weathering conditions

Author:

Ahmed Hameed1,Ahmed Ahmed2,Yousif Emad3ORCID,Ahmed Dina S.4,Kadhom Mohammed5ORCID,Husain Amani2,Yusop Rahimi6,Bufaroosha Muna7

Affiliation:

1. Department of Chemistry, College of Science Al‐Mustansiriyah University Baghdad Iraq

2. Polymer Research Unit, College of Science Al‐Mustansiriyah University Baghdad Iraq

3. Department of Chemistry, College of Science Al‐Nahrain University Baghdad Iraq

4. Department of Chemical Industries, Institute of Technology‐Baghdad Middle Technical University Baghdad Iraq

5. Department of Environmental Science, College of Energy and Environmental Sciences Al‐Karkh University of Science Baghdad Iraq

6. School of Chemical Sciences and Food Technology, Faculty of Science and Technology Universiti Kebangsaan Malaysia Bangi Selangor Malaysia

7. Department of Chemistry, College of Science United Arab Emirates University Al‐Ain United Arab Emirates

Abstract

AbstractExposure to ultraviolet radiation triggers a photooxidative deterioration mechanism in plastics, resulting in bond breakage, release of volatile substances, overall weight reduction, generation of free radicals, and loose crosslinking. The aim of this study was to obtain a plant extract with appropriate concentration and use it to protect polyvinyl chloride (PVC) from photodegradation. PVC films containing different concentrations of naringin that were already extracted and TINUVIN 622 as a commercial stabilizer were investigated in this paper. UV light was used to irradiate PVC films for 300 h to test the photostability. After radiation, infrared spectra, weight loss, molecular weight reduction, and surface morphology examination for PVC films were studied. In comparison to blank film, the photodegradation of PVC films was significantly reduced by the naringin and TINUVIN 622 photostabilizers. The role of photostabilizers includes deactivating excited states (as quenchers), functioning as effective light filters (pigments and absorbers), scavenging radicals, and decomposing hydroperoxides.

Publisher

Wiley

Subject

Materials Chemistry,Marketing,Polymers and Plastics,General Chemical Engineering,General Chemistry

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