Surface Behavior of Polyamide 6 Modified by Barrier Plasma in Oxygen and Nitrogen

On the Hydrophilicity and Water Resistance Effect of Styrene‐Acrylonitrile Copolymer Treated by CF4 and O2 Plasmas

“…On the other hand, fluorine‐containing plasmas prevent the inclusion of oxygen and decrease surface energy . Plasma surface modification has been successfully performed on numerous materials; for example, industrial plastics, medical devices, dentistry, automotive, electronics, textiles amongst others . By virtue of extending the current interest of styrene‐acrylonitrile copolymers in the worldwide plastic market, the aim of this contribution was to make a comprehensive assessment of: (i) the effect of oxygen plasma treatment on SAN commercial sheets, and (ii) the possible improvement of hydrophobicity by using CF 4 plasmas.…”

Friction Behavior of Engineering Polymers Treated by Atmospheric DBD Plasma

“…Increase the surface wettability thereby surface energy of polymers due to atmospheric DBD plasma after short treatment time for PA6 and PET is reported in the literature [14,15] also in our previous experience as well for PA6 [16]. This increase indicated to the presence of polar functionalities on the surface.…”

“…The common belief is that the DBD plasma can generally increase the surface roughness of polymers at nanoscale level due to etching effects after long times [18][19][20] whereas initial decreases in surface roughness might occur after shorter treatment times as other relative studies say it [15,21]. The nanoscale increase in the surface roughness is attributed to either polymer surface degradation or the constitution of nodule-link features or both of them.…”

“…The DCSBD was designed to be suitable for flat surfaces treatment in particular. The DCSBD electrode system was powered by AC high voltage source which has a frequency (10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20) kHz and approximately 20 kV peak-to-peak voltage. In the present study, the discharge power is 320 W and it was operated in the air in order obtain a quasi-homogeneous diffuse plasma surface.…”

Modification of PET surface properties using extremely non-equilibrium oxygen plasma

“…Some authors have reported modification of surface morphology upon treatment with gaseous plasma, but the results vary significantly not only between different types of polymers but also between different discharges used for plasma generation [25][26][27][28]. Many authors monitored polymer etching upon plasma treatment, and different results were reported for different polymers and processing conditions [29][30]. Quantitative results are not reported frequently since qualitative techniques (often optical emission spectroscopy) are often applied to monitor etching phenomenon [31][32].…”