TY JOUR TI Research of the mechanism of production of ureaformaldehyde resins KW polymer KW urea KW formaldehyde KW resin KW reaction KW density KW substance KW glue KW condensation KW polymerisation JO Actual directions of scientific researches of the XXI century: theory and practice AU Meshcheryakova, A.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov