In the framework of this work, a review of the use of a barrier discharge for modifying the surfaces of various polymer products is given. There are various examples of reducing, increasing the wettability angle of modified samples, deforming, smoothing their surface and changing their surface energies.
In the framework of this work, experimental studies of the modification of the surface of polyethylene by low-temperature plasma and liquid electrodes at atmospheric pressure were carried out. For these purposes, a direct current experimental setup was used. The results of modifications in the parameter range are presented: voltage U = 400 … 800V, current I = 0.3 … 0.8A, jet length l = 50mm, electrolyte flow rate G = 6.2ml / s, jet diameter d = 3mm, NaCl concentration 26%. Estimates of the results are given.
This article presents the results of experimental studies of the voltage drop across a jet electrolytic cathode for various lengths of jets of an electrolytic electrode. The analysis of experimental data indicating a change in the conductivity of the jet electrolytic cathode, depending on the length of the jet.
In the modern world, polymers are used in almost all areas. Modification of polymer surfaces is an urgent task. Increasing adhesion and wettability is one of the important parameters. There are many different methods for increasing adhesion and wettability. The electrolytic plasma method is one of them. After processing the surface of the polymer by this method, the wettability of the surface of modified polymers with water was studied by measuring the size of a drop of technical water on the surface of the polymer. As a result of experimental studies, the modification of polyethylene terephthalate decreased the wetting angle by 11-24%.
In this paper, the results of measuring the density of the skin of metallic tissues using an installation for assessing the strength of damaged layers (sclerometer) MV-11m, a study of the treatment of tissues with an electrolytic discharge, are revealed.
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