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Journal of Materials Science

, Volume 44, Issue 10, pp 2674–2682 | Cite as

Effect of plasticization on the photodegradation of poly (para-methoxystyrene) films

  • Khalid E. Al AniEmail author
  • Muna A. Hawi
Article

Abstract

The influence of dibutyl phthalate, dioctyl phthalate, dimethyl terephthalate, diethyl terephthalate, and dioctyl terephthalate-plasticizers on poly (para-methoxy styrene) photodegradation was investigated by UV–vis, fluorescence, and FT-IR spectroscopic methods. The increase in irradiation time caused an increase in the absorption band of the polymer and an increase in the absorption of new band at longer wavelength, thus indicating a possibility of photodegradation of polymer films. The study on poly (para-methoxy styrene) photodegradation was also compared to varying phthalate and terephthalate plasticizers in order to provide an understanding of its photodegradation vis the presence of phthalates and terephthalates plasticizers. The decrease in the excimer fluorescence upon the increase in the time of exposure to UV-radiation provides an evidence for the degradation of polymeric chains through a chin scission processes. The increase in the photodegradation of the polymer increased with the increase in the bulkiness of added plasticizer molecule. IR-spectra of irradiated pure and blended polymer films indicated that the photodegradation of the polymer occurred, by the formation of new absorption bands, and the increase in the intensity of other bands.

Keywords

Phthalate Chain Scission Dibutyl Phthalate Dioctyl Phthalate Excimer Emission 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgements

We gratefully acknowledge the financial support by the Hashemite University, and Abdul Hammed Showman Foundation. Thanks are also due to M. Anbitawy for all the help in this work and to Y. Al Haj for useful discussion. Thanks are also extended to A. Al-Kharabsheh for helping in linguistic and stylistic infelicities.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  1. 1.Department of Chemistry, Faculty of ScienceHashemite UniversityZarkaJordan

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