TY JOUR TI Research of influence of a share of sodium silicate in urea-formaldehyde glue on physical-mechanical properties of wood-boards KW chipboards KW urea-formaldehyde oligomer KW sodium silicate KW physical-mechanical properties JO Actual directions of scientific researches of the XXI century: theory and practice AU Fedotov, A.A. AU Ugryumov, S.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov