WOOD-CEMENT MIXTURE WITH MODIFICATOR Russian patent published in 2018 - IPC C04B28/04 C04B18/26 C04B22/08 C04B14/06 C04B111/20 

FIELD: chemistry.

SUBSTANCE: wood-cement mixture with a modificator is proposed that contains crushed wood in the form of sawdust of coniferous species, portland cement, liquid glass, calcium chloride, polypropylene fibers, amorphous silicon dioxide with a nanoporous structure and a specific surface of 120 to 400 m²/g at the ratio of these components, wt %: portland cement 35.0-50.3; sawdust 45-60.3; calcium chloride 1-4; liquid glass 2-8; the said silicon 0.05 to 1.0; polypropylene fibers 0.1-0.2.

EFFECT: increasing the strength and environmental friendliness of the material.

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