PREPARATION OF BANDING MATERIALS WITH SILVER NANOPARTICLES USING VACUUM PHYSICAL DEPOSIT METHODS

Abstract

Purpose. Adapt electron beam equipment to obtain nanosized silver structures on the surface of dressings with the ability to control the size and concentration of the resulting nanoparticles (NPs). Determine the morphology, forum, size distribution and concentration of the obtained silver nanoparticles. Methodology. Modern methods of analysis are used in the work. Electron beam evaporation method with directional vapor deposition in vacuum was used to obtain nano-particles on a flat surface. To determine the structural characteristics nanoparticles: the size of the phase formations, the morphology we were used metods: dynamic light scattering (DLS); transmission electron microscopy (TEM); the con-centration of silver in dispersed systems was determined by the method of atomic emission spectrometry with induc-tively coupled plasma (NPP ISP). Results..The results of the study demonstrate the possibility of using electron-beam deposition technology of discrete nanosized silver coatings with an average particle size of 25 nm and a dispersion of 10–120 nm on the surface of sterile gauze bandages. The established patterns of structure formation can be the basis for technically controlled synthesis of metal nanoparticles on the surface of textile materials with a given concentra-tion.Existing research and industrial and industrial electron beam equipment can be easily adapted to the production of these materials. Originality. A new technological scheme of EB-PVD with directed steam flow, the efficiency of which is ≈50%, is proposed. This scheme allows the deposition of steam from the mountain to the bottom, including on flat surfaces of banding materials. Practical value. Areas of practical application of NPs and compositions based on them can be divided into the following areas: providing or enhancing antiviral and antimicrobial properties of new or existing medical devices (bandages, masks, wipes).