TY JOUR TI SALVAGING HIGH-DENSITY POLYETHYLENE WITH THE AIM OF OBTAINING DEPRESSANT ADDITIVES KW depressant additive KW technological scheme JO Modern Technologies and Scientific and Technological Progress AU Raskulova, T.V. AU Fereferov, M.Y. AU Mahmudov, M.A. PY 2019 IS 2019 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»