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X-Ray Photoelectron Spectroscopy study for far UV-Excimer laser ((lambda) = 193nm) surface modifications of polyethylene terephtalate

机译:用于远紫外 - 准分子激光(λ= 193nm)的聚对苯二甲酸乙二醇酯表面改性的X射线光电子能谱研究

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We have studied by X-Ray Photoelectron Spectroscopy (XPS), the surface of Polyethylene Terephtalate treated by pulsed far Ultra Violet (UV) radiation delivered by an Excimer laser ((lambda) = 193nm). Treatments were carried out under different gaseous atmospheres to discriminate the mechanisms leading to the modifications of the polymer surface. In particular, a pronounced deoxidation due to the loss of CO and CO(sub 2) is observed below the ablation threshold. Furthermore, treatments under oxygen and nitrogen atmospheres reveal the opportunity of grafting new functionalities at the polymer surfaces. (author). 13 refs, 4 figs, 3 tabs. (Atomindex citation 27:080381)

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