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Since 1960, American physicist Maiman (THMaiman) since successfully developed the first laser, laser materials interaction has been very interested in a subject. In the field of materials science, polymer material with its excellent features and widely used in the national product attracted the attention of materials scientists. Subjected to surface treatment of the polymer material using an excimer laser is developed in the past 20 years a new kind of surface treatment technology. The excimer laser is a gas laser developed in 1970s, its high-energy, long life, stable performance, operating wavelength in the ultraviolet region, including near ultraviolet, vacuum ultraviolet and X-ray UV, many polymer materials in This wavelength range has absorbed. Polymer material surface changes after excimer laser irradiation in 1982 before they see has been reported, then called laser ablation, after gradually attracted attention as a non-contact surface processing methods and widely used. In this paper, a wavelength of 248 nm excimer UV laser is applied to the surface of the two polymer materials, and by scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy (Raman Spectrum) and other means of role before and after the surface morphology, chemical composition, and physical and chemical properties change, and then carried out in-depth research on the laser and the mechanism of interaction between the two materials, and on this basis, given a reasonable explanation. The analysis of polytetrafluoroethylene (PTFE) is mainly focused on the changes in the PTFE surface physical properties and chemical structure of the laser action, and further discussion of the influence of these changes on the improvement in the surface properties of PTFE. PTFE has many excellent physical and chemical properties, such as high heat resistance and chemical stability, low coefficient of friction, good dielectric properties, and biocompatibility, etc., and thus it is in the various fields of the industrial production and daily life obtain a wide range of applications. But poor adhesion of PTFE and other materials, the hardness is not enough, which greatly limits its application in high-tech fields. Experiments found that the laser irradiation of the PTFE surface roughness increased significantly, and after etching the rough degree of the laser energy, the energy is too high or too low will cause uneven etching of the surface, and that the medium energy increase the roughness of the surface, and it also enabled the etched area is relatively uniform. Etching caused by a rough surface is conducive to the formation of a mechanical lock ditch between PTFE and other materials, and therefore beneficial to the improvement of the bonding properties. XPS showed that the the PTFE molecule after the laser irradiation of F content is greatly reduced, due to the involvement of the background gas so that at the same time introduced to the surface of the PTFE-containing O group. Go fluoro effect on the main chain,
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