TY JOUR TI DEVELOPMENT OF THE RUSSIAN PRODUCTION TECHNOLOGY OF HIGH CLEARANCE GEL-LIKE AQUATIC POLYACRYLIC ACID (PAA) KW polyacrylic acid KW polymerization initiation KW polymerization regulator KW polymerization condition KW polycarboxylate and filling cements KW therapeutic dentistry JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Peristyy, V.A. AU Chuev, V.P. AU Buzov, A.A. AU Peristaya, L.F. PY 2022 IS 7 PB Belgorod State Technological University named after V.G. Shukhov