Abstract
The Atmospheric-Pressure Non-Thermal Plasma (APNTP) has become a topic of a great interested for a wide spectrum of applications in different industry branches, including the surface of treatment processes. In this work we evaluate the effect of an argon APNTP exposure to determine changes suffered by a polystyrene (PS) nd polyethylene (PE) polymer surface through RAMAN spectroscopy and SEM. It was determined that the hydrophilic change in energetic terms, i.e. surface activation in the PS and PE polymers is addition of oxygen by surface activation when the samples with jet plasma are exposed with the inert argon gas. It was possible to characterize the hydrophilic shift based on the change in intensity of the spectra.
Highlights
Atmospheric-Pressure Non-Thermal plasmas (APNTP) have become a topic of great interest for a wide range of applications in different branches of industry
An Atmospheric-Pressure Non-Thermal Plasma-Jet for biomedical and industrial applications has been developed in our laboratory, we evaluate the effect of an argon plasma using this device on a polystyrene (PS) and polyethylene (PE) samples to determine changes suffered in the surface
The Raman study is sensible to nanoscale change levels and the addition of functional groups or energy increase in the bound displacement, so it is very important for the analysis of the surface changes
Summary
Atmospheric-Pressure Non-Thermal plasmas (APNTP) have become a topic of great interest for a wide range of applications in different branches of industry. In these plasmas the electron temperature is far higher than the temperature of the heavy particles [1]; elastic collisions of the electrons are not effective in terms of it not having a large impact on heavy particles surrounding electrons can transfer energy to other processes such as ionization, activation or dissociation of molecules.
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