Limiting the Migration of Bisphenol A from Polycarbonate Using Dielectric Barrier Discharge

Emad A. Soliman, Ahmed Samir, Ali M. A. Hassan, Mohamed S. Mohy-Eldin, Gamal Abd El-Naim

Center of Plasma Technology, Al-Azhar University, Nasr City, Cairo, Egypt.
Department of Chemistry, Faculty of Science, Al-Azhar University, Nasr City, Cairo, Egypt.
Department of Polymer Materials Research, Advanced Technology and New Materials Research Institute, SRTA-City, New Bourg El-Arab City, Alexandria, Egypt.

DOI: 10.4236/ojsta.2014.33005                

Abstract

Dielectric barrier discharge is used as a cheap technique for surface treatment of polycarbonate. The discharge system is working in open air at atmospheric pressure. The treatments are carried out at low discharge powers (1.5 and 2 W) for treatment time (2.5 - 15 min). The treated samples show decrease in the contact angle and increase in the crystallinity, thermal stability and surface roughness. The effect of ozone on the increase in the oxygen containing functional groups is discussed. The treatment process shows effective limitation of the migration of bisphenol A from the surface of polycarbonate due to the cross linking. Zero migration of bisphenole A is recorded as the sample is treated for 7.5 min. The treatment process is found to be very efficient with very low cost.

Keywords

Dielectric Barrier Discharge, Polycarbonate, Bisphenole A, Surface Treatment

Conflicts of Interest

The authors declare no conflicts of interest.

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