Surface Activation of Poly(methyl methacrylate) via Remote Atmospheric Pressure Plasma

2009 ◽  
Vol 7 (6) ◽  
pp. 482-493 ◽  
Author(s):  
Eleazar Gonzalez II ◽  
Michael D. Barankin ◽  
Peter C. Guschl ◽  
Robert F. Hicks
Keyword(s):  
Methyl Methacrylate ◽  
Atmospheric Pressure ◽  
Atmospheric Pressure Plasma ◽  
Surface Activation ◽  
Poly Methyl Methacrylate ◽  
Pressure Plasma

Activation of poly(methyl methacrylate) surfaces by atmospheric pressure plasma

2012 ◽  
Vol 97 (6) ◽  
pp. 886-892 ◽  
Author(s):  
Tomáš Homola ◽  
Jindřich Matoušek ◽  
Beáta Hergelová ◽  
Martin Kormunda ◽  
Linda Y.L. Wu ◽  
...  
Keyword(s):  
Methyl Methacrylate ◽  
Atmospheric Pressure ◽  
Atmospheric Pressure Plasma ◽  
Poly Methyl Methacrylate ◽  
Pressure Plasma

scholarly journals Synthesis and Properties of Plasma-Polymerized Methyl Methacrylate via the Atmospheric Pressure Plasma Polymerization Technique

Polymers ◽  
2019 ◽  
Vol 11 (3) ◽  
pp. 396 ◽  
Author(s):  
Choon-Sang Park ◽  
Eun Jung ◽  
Hyo Jang ◽  
Gyu Bae ◽  
Bhum Shin ◽  
...  
Keyword(s):  
Methyl Methacrylate ◽  
Photoelectron Spectroscopy ◽  
Atmospheric Pressure ◽  
Secondary Ion Mass Spectrometry ◽  
Atmospheric Pressure Plasma ◽  
Thickness Measurement ◽  
Water Contact ◽  
Pressure Plasma ◽  
Measurement Results ◽  
The Fourier Transform

Pinhole free layers are needed in order to prevent oxygen and water from damaging flexible electrical and bio-devices. Although polymerized methyl methacrylate (polymethyl methacrylate, PMMA) for the pinhole free layer has been studied extensively in the past, little work has been done on synthesizing films of this material using atmospheric pressure plasma-assisted electro-polymerization. Herein, we report the synthesis and properties of plasma-PMMA (pPMMA) synthesized using the atmospheric pressure plasma-assisted electro-polymerization technique at room temperature. According to the Fourier transform infrared spectroscopy (FT-IR), X-ray photoelectron spectroscopy (XPS), and time of flight-secondary ion mass spectrometry (ToF-SIMS) results, the characteristic peaks from the pPMMA polymer chain were shown to have been detected. The results indicate that the percentage of hydrophobic groups (C–C and C–H) is greater than that of hydrophilic groups (C–O and O–C=O). The field emission-scanning electron microscope (FE-SEM) and thickness measurement results show that the surface morphology is quite homogenous and amorphous in nature, and the newly proposed pPMMA film at a thickness of 1.5 µm has high transmittance (about 93%) characteristics. In addition, the results of water contact angle tests show that pPMMA thin films can improve the hydrophobicity.

scholarly journals Evolution of the Surface Wettability of PET Polymer upon Treatment with an Atmospheric-Pressure Plasma Jet

Polymers ◽  
2020 ◽  
Vol 12 (1) ◽  
pp. 87 ◽  
Author(s):  
Alenka Vesel ◽  
Rok Zaplotnik ◽  
Gregor Primc ◽  
Miran Mozetič
Keyword(s):  
Photoelectron Spectroscopy ◽  
Atmospheric Pressure ◽  
Atmospheric Pressure Plasma ◽  
Plasma Jet ◽  
Surface Wettability ◽  
Surface Activation ◽  
Atmospheric Pressure Plasma Jet ◽  
Pressure Plasma ◽  
High Impedance ◽  
Glowing Discharge

A useful technique for pre-treatment of polymers for improved biocompatibility is surface activation. A method for achieving optimal wettability at a minimal thermal load and unwanted modifications of the polymer properties is elaborated in this paper. Samples of polyethylene terephthalate polymer were exposed to an atmospheric-pressure plasma jet created by a high-impedance low-frequency discharge in wet argon. Different treatment times and distances from the end of the glowing discharge enabled detailed investigation of the evolution of surface activation. A rather fast saturation of the surface wettability over the area of the order of cm2 was observed upon direct treatment with the glowing discharge. At a distance of few mm from the glowing discharge, the activation was already two orders of magnitude lower. Further increase of the distance resulted in negligible surface effects. In the cases of a rapid activation, very sharp interphase between the activated and unaffected surface was observed and explained by peculiarities of high-impedance discharges sustained in argon with the presence of impurities of water vapor. Results obtained by X-ray photoelectron spectroscopy confirmed that the activation was a consequence of functionalization with oxygen functional groups.

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