TY CONF TI MODERN WOOD MATERIALS FOR BUILDING DURABLE AND STYLISH OUTDOOR PATIOS KW wood-polymer composite KW decking KW terrace board KW wood flour KW polymers KW extrusion JO CIRCULAR ECONOMY FOR THE PURPOSE OF SUSTAINABLE DEVELOPMENT OF INDUSTRIES AND TERRITORIES AU Elfimova, Y.P. AU Lavlinskaya, O.V. AU Gusiatinsky, D.O. PY 2024 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov