RAW MIXTURE FOR MANUFACTURE OF WOOD BUILDING MATERIAL Russian patent published in 1995 - IPC

FIELD: manufacture of building materials. SUBSTANCE: mixture for manufacture of wood building material contains, mas. %: absolute dry hogged wood 31-48; nepheline slime 20-34; portland blast furnace slag cement 5-9; calcium chloride or magnesium chloride, or iron chloride (III) 7-14; the balance, water. Raw mixture is prepared by mixing hogged wood with aqueous solution of indicated chloride and adding preliminarily prepared mixture of ground nepheline slime and portland blast furnace slag cement. Manufactured from offered raw mixture products are characterized by compression strength in 30 min of 4.0-6.3 MPa; in 60 min of 5.7-8.3 MPa; in 24 h of 8.1-12.9 MPa; bending strength of 10.5-13.3 MPa. EFFECT: higher efficiency. 1 tbl