METHOD FOR PRODUCTION OF BOARDS FROM COTTON STALKS Russian patent published in 1994 - IPC

FIELD: woodworking. SUBSTANCE: cotton stalks are cut into 50-100 mm lengths and supplied rotatory crusher IPR-300. At the same time, fed into rotary crusher is polyethylene powder or some other polyolefin. During crushing, mass components undergo coalescence that considerably reduces separation into layers of polymer and filler. Mixture after crusher is additionally mixed and briquetted. Hot pressing of briquette is effected at 160 C, specific pressure of 2.5 MPa for 10 min, and finished plate is cooled down to 30-50 C. EFFECT: higher efficiency. 1 tbl