TY JOUR TI SYNTHESIS OF UNSATURATED POLYESTER RESIN ON THE BASIS OF ETHYLENE GLYCOL MODIFIED WITH DICYCLOPENTADIENE KW polycondensation KW unsaturated polyesters KW dicyclopentadiene KW acid number JO Modern Technologies and Scientific and Technological Progress AU Lugowoy, A.V. AU Raskulova, T.V. PY 2023 IS 2023 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»