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Laser ablation influence on untreated and chemicaltreated poly(ethylene terephthalate) films surfaces

M. AFLORI1,* , M. DROBOTA1, M. OLARU1, I. STOICA1, G. HITRUC1

Affiliation

  1. “Petru Poni” Institute of Macromolecular Chemistry, 41A Ghica Voda Alley, 700487 Iasi, Romania

Abstract

The aim of this study was the evaluation of the excimer laser ablation effect on poly(ethylene terephthalate) (PET) film surfaces by means of atomic force microscopy (AFM), Fourier Transform Infrared - Attenuated Total Reflectance (FTIRATR) and contact angle measurements. Nitrogenous groups were introduced onto PET films through triethylenetetraamine (TETA) by chemical treatments. Laser ablation on both untreated and treated biaxially stretched samples provided the formation of superposed “nap” and “wall-type” structures. The size, distances between these types of surface arrangements and the root-mean-square roughness (RMS) of the ablated surfaces were found to depend on the initial chemical conditions of PET films.

Keywords

Excimer laser ablation, Poly(ethylene terephthalate), Atomic force microscopy, FTIR-ATR.

Citation

M. AFLORI, M. DROBOTA, M. OLARU, I. STOICA, G. HITRUC, Laser ablation influence on untreated and chemicaltreated poly(ethylene terephthalate) films surfaces, Optoelectronics and Advanced Materials - Rapid Communications, 3, 8, August 2009, pp.812-816 (2009).

Submitted at: June 1, 2009

Accepted at: July 31, 2009