E. Krause, J. Guastavino, J. Rault, R. Grob, C. Mayoux
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Poly(ethylene 2,6 naphthalene dicarboxylate) ageing under electrical discharges
Poly(ethylene 2, 6 naphthalene dicarboxylate) (PEN) is studied to gain more knowledge in respect to its behaviour to corona discharge activity. After discharge treatment in air, the surface of bi-axially oriented films (12 /spl mu/m) is optically analysed and unusual deposits are observed. ESCA, DMTA and dielectric loss tangent measurements allow the authors to propose a crosslinking process through radicular mechanisms to explain the evolution of the insulating material.<>