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Radiation thermoluminescence investigation of structural modifications of polymers

S. JIPA1,2, W. KAPPEL1, T. ZAHARESCU1,* , D. ILIE3, S. ILIE3, R. SETNESCU4,5

Affiliation

  1. INCDIE ICPE CA, 313 Splaiul Unirii, P. O. Box 149, Bucharest 030138, Romania
  2. “Valahia” University, Faculty of Sciences, 18-22 Unirii Bd., Târgovişte, Romania
  3. CERN, Chemical Engineering and Materials Department, Geneva, Switzerland
  4. NCDIE ICPE CA, 313 Splaiul Unirii, P. O. Box 149, Bucharest 030138, Romania
  5. Valahia” University, Faculty of Sciences, 18-22 Unirii Bd., Târgovişte, Romania

Abstract

The high energy irradiation causes significant structural modifications on the backbones of polymers. The radiation thermoluminescence method of investigation reveals the types of defects that are formed as electron traps. The recombination of released electrons with positive defects expels a quantum. The RTL intensity varies with temperature and distribution of gap depths. The difference between various sorts of polyolefins may be demonstrated by the position of maxima on the recorded glow curves..

Keywords

Irradiated polymers, Radiation thermoluminescence, Polyolefins, Polytertafluorethylene.

Submitted at: Nov. 14, 2006
Accepted at: June 15, 2007

Citation

S. JIPA, W. KAPPEL, T. ZAHARESCU, D. ILIE, S. ILIE, R. SETNESCU, Radiation thermoluminescence investigation of structural modifications of polymers, Journal of Optoelectronics and Advanced Materials Vol. 9, Iss. 6, pp. 1626-1629 (2007)