Surface Modification of Melamine-Formaldehyde (MF-R) Macroparticles in Complex Plasma |
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Authors: | A V Semenov A L Pergament A I Scherbina A A Pikalev |
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Institution: | 1.Petrozavodsk State University,Petrozavodsk,Russia |
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Abstract: | The surface modification of melamine-formaldehyde (MF-R) macroparticles (4.12 ± 0.09 μm in diameter) in dc glow discharges in neon, argon, and an argon–oxygen mixture (90% Ar, 10% O2) was studied experimentally. The macroparticles were treated in the discharge plasma for 10, 20, 40, and 60 min. The macroparticles were placed in ordered plasma–dust structures and then extracted from them. The results of atomic force microscopy of the surface profile are presented. Quantitative data on destruction of the surface layer and aspects of its modification are discussed. The amount of substance removed from the particle surface for the exposure time was calculated using the fractal analysis method. |
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