RAW MATERIALS MIXTURE FOR MANUFACTURE OF WOOD-MINERAL BUILDING MATERIALS Russian patent published in 2002 - IPC

FIELD: manufacture of building materials, particularly, raw materials mixtures on wood filler; applicable in erection buildings, household structures, etc. SUBSTANCE: raw materials mixture includes wood filler, mineral binder in the form of cement, additive and water. Additive is used as a water glass with density of 1.2-1.4 kg/l. Mixture contains the following ratio of components, mas.%: mineral binder, 26.7-40; wood filler, 41.7-55; water glass, 0.97-2; water, the balance. Wood filler is used in the form of wood wastes of all wood species. Wood filler glued around with cement gel is enveloped with film of water glass with formation of closed capsule with homogeneous properties. EFFECT: excluded chemical active additives, reduced labor input and power consumption. 1 tbl