Comparative Adhesion, Ageing Resistance, and Surface Properties of Wood Plastic Composite Treated with Low Pressure Plasma and Atmospheric Pressure Plasma Jet

The cold plasma technology is gaining popularity as one of the most effective tools for a wide range of applications. Cold atmospheric pressure plasma jet (CAPPJ) has attracted considerable attention in recent times for materials processing such as surface modification and biomedical applications. The cold atmospheric pressure plasma jet sustained in pure argon has been used here to modify the surface properties of polypropylene. CAPPJ has been generated by a high voltage power supply 5 kV at an operating frequency of 20 kHz. This paper reports the diagnostics of CAPPJ in argon environment by electrical and optical methods and its application in the surface modification of polypropylene (PP). The surface properties of the untreated and plasma-treated PP samples were characterized by contact angle measurements, surface free energy determination, scanning electron microscopy and Fourier transform infrared spectroscopy analysis. Most of the previous work has used RF power supply which is more expensive compared to the power supply used in the present study. The plasma jet is designed with locally available materials and can be used for continuous treatment for long time. We have successfully developed a plasma device that is able to generate a non-equilibrium atmospheric pressure argon plasma jet of low temperature. Therefore, a cost-effective system of generating a plasma jet at atmospheric pressure with potential applications in materials processing and biomedical research has been developed.

Download Full-text

A new approach to surface activation of porous nanomaterials using non-thermal helium atmospheric pressure plasma jet treatment

Chemical Communications ◽

10.1039/c7cc02927f ◽

2017 ◽

Vol 53 (50) ◽

pp. 6704-6707 ◽

Cited By ~ 5

Author(s):

Farkfun Duriyasart ◽

Masataka Ohtani ◽

Jun-Seok Oh ◽

Akimitsu Hatta ◽

Kazuya Kobiro

Keyword(s):

Surface Properties ◽

Atmospheric Pressure ◽

Atmospheric Pressure Plasma ◽

Plasma Jet ◽

Surface Activation ◽

Atmospheric Pressure Plasma Jet ◽

Optimum Conditions ◽

New Approach ◽

Pressure Plasma ◽

Porous Nanomaterials

Facile treatment of mesoporous nanomaterials by a helium APPJ under optimum conditions activates the surface of the materials by removing contaminants without damaging their morphologies and surface properties.

Download Full-text

Tailoring surface properties of polyethylene terephthalate by atmospheric pressure plasma jet for grafting biomaterials

Thin Solid Films ◽

10.1016/j.tsf.2020.138152 ◽

2020 ◽

Vol 709 ◽

pp. 138152 ◽

Cited By ~ 1

Author(s):

Yu-Lin Kuo ◽

Fu-Chen Kung ◽

Chi-Liang Ko ◽

Akitoshi Okino ◽

Tai-Chin Chiang ◽

...

Keyword(s):

Surface Properties ◽

Polyethylene Terephthalate ◽

Atmospheric Pressure ◽

Atmospheric Pressure Plasma ◽

Plasma Jet ◽

Atmospheric Pressure Plasma Jet ◽

Pressure Plasma

Download Full-text

High-Accuracy Surface Topography Manufacturing for Continuous Phase Plates Using an Atmospheric Pressure Plasma Jet

Micromachines ◽

10.3390/mi12060683 ◽

2021 ◽

Vol 12 (6) ◽

pp. 683

Author(s):

Huiliang Jin ◽

Caixue Tang ◽

Haibo Li ◽

Yuanhang Zhang ◽

Yaguo Li

Keyword(s):

Surface Topography ◽

Atmospheric Pressure ◽

High Efficiency ◽

Atmospheric Pressure Plasma ◽

Plasma Jet ◽

Continuous Phase ◽

High Accuracy ◽

Phase Plate ◽

Atmospheric Pressure Plasma Jet ◽

Pressure Plasma

The continuous phase plate (CPP) is the vital diffractive optical element involved in laser beam shaping and smoothing in high-power laser systems. The high gradients, small spatial periods, and complex features make it difficult to achieve high accuracy when manufacturing such systems. A high-accuracy and high-efficiency surface topography manufacturing method for CPP is presented in this paper. The atmospheric pressure plasma jet (APPJ) system is presented and the removal characteristics are studied to obtain the optimal processing parameters. An optimized iterative algorithm based on the dwell point matrix and a fast Fourier transform (FFT) is proposed to improve the accuracy and efficiency in the dwell time calculation process. A 120 mm × 120 mm CPP surface topography with a 1326.2 nm peak-to-valley (PV) value is fabricated with four iteration steps after approximately 1.6 h of plasma processing. The residual figure error between the prescribed surface topography and plasma-processed surface topography is 28.08 nm root mean square (RMS). The far-field distribution characteristic of the plasma-fabricated surface is analyzed, for which the energy radius deviation is 11 μm at 90% encircled energy. The experimental results demonstrates the potential of the APPJ approach for the manufacturing of complex surface topographies.

Download Full-text