TY JOUR TI PRODUCTION OF POLYPROPYLENE MESHES USING ADDITIVE TECHNOLOGIES AND STUDY OF THEIR STRUCTURE AND PROPERTIES KW POLYPROPYLENE KW POLYMER MESH KW 3D PRINTING KW ADDITIVE TECHNOLOGIES KW MESH STRUCTURE KW ELECTRET PROPERTIES JO Herald of Technological University AU Hantimerova, Y.M. AU , .. AU Vihlyanskiy, V.V. AU , .. AU Yakupov, S.N. AU Boldysheva, V.K. PY 2025 IS 28 PB Kazan National Research Technological University