TY JOUR TI ACID-BASE PROPERTIES OF THE SURFACE OF MICRO-REINFORCING FIBERS AS A COMPONENT OF A PHOTOCATALYTIC COMPOSITE MATERIAL FOR PLASTER MIXES KW plaster mixes KW self-cleaning KW fiber KW photocatalytic materials KW acid-base properties JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Nerovnaya, S.V. AU Sival'neva, M.N. AU Strokova, V.V. AU Ogurcova, Y.N. AU Gubareva, E.N. AU Klimenkova, E.V. PY 2023 IS 8 PB Belgorod State Technological University named after V.G. Shukhov