METHOD OF MANUFACTURE OF FIBER PRODUCTS INCLUDING FIBER BOARDS Russian patent published in 2003 - IPC

FIELD: woodworking industry; applicable in manufacture of finished fiber boards and also finished fiber products. SUBSTANCE: method includes operations involved in grinding of wood raw material, sizing of wood-fiber pulp with mineral acid and paraffin, casting of fibrous pulp, mat dewatering, hot molding and application of finishing composition containing aqueous-emulsion polyvinyl acetate paint EVA-27A, diammonium phosphate, sodium silicate glass, kaolin, dye and water. EFFECT: high mechanical and physical properties, ecological safety of finished products and higher economic efficiency of manufacture process due to definite ratio of components for sizing of wood-fiber pulp and in finishing composition. 2 cl, 2 tbl