TY JOUR TI FREE FORMALDEHYDE EMISSIONS AS AN INDICATOR OF STRUCTURE FORMATION OF LIGNOCELLULOSE PLASTICS WITHOUT SYNTHETIC RESINS KW COMPOSITE KW MANUFACTURING KW PINE SAWDUST KW NATURAL LIGNIN KW FORMALDEHYDE KW HEXAMETHYLENETETRAMINE KW UREA KW POLYMERIZATION KW OPTIMIZATION KW FORMALDEHYDE EMISSION KW PROPERTIES JO Herald of Technological University AU Artemov, A.V. AU Shkuro, A.E. AU Yakubova, T.V. AU , .. PY 2026 IS 29 PB Kazan National Research Technological University