The Impact Evaluation of Factors on the Adhesion of Modified Polytetrafluoroethylene Films in a Glow Discharge Non-Thermal Plasma

2020 ◽  
Vol 992 ◽  
pp. 658-662
Author(s):  
M.A. Mokeev ◽  
L.A. Urkhanova ◽  
A.N. Khagleev ◽  
Denis B. Solovev
Keyword(s):  
Glow Discharge ◽  
Plasma Treatment ◽  
Thermal Plasma ◽  
Graphical Model ◽  
Polymer Surface ◽  
Practical Method ◽  
Wetting Angle ◽  
Regression Equations ◽  
Non Thermal Plasma ◽  
The Impact

Mechanical, chemical and plasma treatment are the main kind of treatment of polytetrafluoroethylene (PTFE) films. Each method is different from each other by the adhesive force: the value of the wetting angle. Mechanical treatment allows different particles to permeate into the structure of the polymer. Chemical treatment creates new functional groups on the polymer surface, but this method is toxic and dangerous. Plasma treatment, in a glow discharge non-thermal plasma, is a more ecological and practical method. The experiment showed that the plasma treatment successfully increases the adhesion, this has been proven by infrared spectroscopy and scanning electron microscopy. According to the obtained data of the wetting angle, the regression equation was derived. A graphical model is constructed by regression equations allows you to determine the main processing factor and choose the optimal values of treatment.

scholarly journals Effects of a Non Thermal Plasma Treatment Alone or in Combination with Gemcitabine in a MIA PaCa2-luc Orthotopic Pancreatic Carcinoma Model

PLoS ONE ◽  
2012 ◽  
Vol 7 (12) ◽  
pp. e52653 ◽  
Author(s):  
Laura Brullé ◽  
Marc Vandamme ◽  
Delphine Riès ◽  
Eric Martel ◽  
Eric Robert ◽  
...  
Keyword(s):  
Plasma Treatment ◽  
Pancreatic Carcinoma ◽  
Thermal Plasma ◽  
Non Thermal Plasma

scholarly journals Indoor air quality improvement and purification by atmospheric pressure Non-Thermal Plasma (NTP)

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Prince Junior Asilevi ◽  
Patrick Boakye ◽  
Sampson Oduro-Kwarteng ◽  
Bernard Fei-Baffoe ◽  
Yen Adams Sokama-Neuyam
Keyword(s):  
Air Quality ◽  
Built Environment ◽  
Indoor Air Quality ◽  
Removal Efficiency ◽  
Indoor Air ◽  
Thermal Plasma ◽  
Processing Parameters ◽  
Optimum Conditions ◽  
Non Thermal Plasma ◽  
The Impact

AbstractNon-thermal plasma (NTP) is a promising technology for the improvement of indoor air quality (IAQ) by removing volatile organic compounds (VOCs) through advanced oxidation process (AOP). In this paper, authors developed a laboratory scale dielectric barrier discharge (DBD) reactor which generates atmospheric NTP to study the removal of low-concentration formaldehyde (HCHO), a typical indoor air VOC in the built environment associated with cancer and leukemia, under different processing conditions. Strong ionization NTP was generated between the DBD electrodes by a pulse power zero-voltage switching flyback transformer (ZVS-FBT), which caused ionization of air molecules leading to active species formation to convert HCHO into carbon dioxide (CO2) and water vapor (H2O). The impact of key electrical and physical processing parameters i.e. discharge power (P), initial concentration (Cin), flow rate (F), and relative humidity (RH) which affect the formaldehyde removal efficiency (ɳ) were studied to determine optimum conditions. Results show that, the correlation coefficient (R2) of removal efficiency dependence on the processing parameters follow the order R2 (F) = 0.99 > R2 (RH) = 0.96, > R2 (Cin) = 0.94 > R2 (P) = 0.93. The removal efficiency reached 99% under the optimum conditions of P = 0.6 W, Cin = 0.1 ppm, F = 0.2 m3/h, and RH = 65% with no secondary pollution. The study provided a theoretical and experimental basis for the application of DBD plasma for air purification in the built environment.

scholarly journals Response of Human Glioma U87 Xenografted on Mice to Non Thermal Plasma Treatment

2011 ◽  
Vol 1 (1) ◽  
pp. 27-43 ◽  
Author(s):  
Marc Vandamme ◽  
Eric Robert ◽  
Sebastien Dozias ◽  
Julien Sobilo ◽  
Stephanie Lerondel ◽  
...  
Keyword(s):  
Plasma Treatment ◽  
Thermal Plasma ◽  
Human Glioma ◽  
Non Thermal Plasma

scholarly journals Non-thermal Plasma Treatment of Flowing Water: A Solution to Reduce Water Usage and Soil Treatment Cost without Compromising Yield

2016 ◽  
Vol 6 (3-4) ◽  
pp. 413-427 ◽  
Author(s):  
J. Brar ◽  
J. Jiang ◽  
A. Oubarri ◽  
P. Ranieri ◽  
Alexander A. Fridman ◽  
...  
Keyword(s):  
Plasma Treatment ◽  
Thermal Plasma ◽  
Treatment Cost ◽  
Soil Treatment ◽  
Flowing Water ◽  
Water Usage ◽  
Non Thermal Plasma

scholarly journals Changing the surface properties on naval steel as result of non-thermal plasma treatment

2016 ◽  
Vol 145 (8) ◽  
pp. 082006
Author(s):  
B Hnatiuc ◽  
A Sabău ◽  
C L Dumitrache ◽  
M Hnatiuc ◽  
M Crețu ◽  
...  
Keyword(s):  
Plasma Treatment ◽  
Surface Properties ◽  
Thermal Plasma ◽  
Non Thermal Plasma

scholarly journals Non-Thermal Plasma Can Be Used in Disinfection of Scots Pine (Pinus sylvestris L.) Seeds Infected with Fusarium oxysporum

Forests ◽  
2020 ◽  
Vol 11 (8) ◽  
pp. 837
Author(s):  
Magdalena Świecimska ◽  
Mirela Tulik ◽  
Božena Šerá ◽  
Patrycja Golińska ◽  
Juliána Tomeková ◽  
...  
Keyword(s):  
Seed Germination ◽  
Pinus Sylvestris ◽  
Plasma Treatment ◽  
Fusarium Oxysporum ◽  
Scots Pine ◽  
Thermal Plasma ◽  
Optimal Time ◽  
Surface Barrier ◽  
Surface Barrier Discharge ◽  
Non Thermal Plasma

The aim of this study was to use diffuse coplanar surface barrier discharge (DCSBD) non-thermal plasma for the disinfection of pine seed surfaces infected with Fusarium oxysporum spores. Artificially infected seeds of Scots pine (Pinus sylvestris L.) were treated with plasma for the following exposure times: 1 s, 3 s, 5 s, 10 s, 15 s, 20 s, 30 s, and 60 s, and subsequently germinated on agar medium in Petri dishes at room temperature for the estimation of seed germination and disinfection effect of plasma treatment. Results of the treated samples were compared to the control samples, which were prepared as follows: seeds uninfected and non-treated with plasma (first control); seeds infected with F. oxysporum and non-treated with plasma (second control); and seeds infected with F. oxysporum, non-treated with plasma, but sterilized with 30% perhydrol (third control). Obtained results indicate that 3 s plasma treatment was an optimal time to inhibit F. oxysporum growth, and at the same time, increase the seed germination. In addition, our results are the first to show the practical application of non-thermal plasma in disinfecting infected Scots pine seeds and improving their germination. According to the results of this study, non-thermal plasma can serve as a seed surface disinfectant in the regeneration of different pine species.

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