COMPOSITE BONDING Russian patent published in 2018 - IPC C04B7/19 C04B14/26 C04B22/08 C04B111/20 

FIELD: construction.

SUBSTANCE: invention can be used in the building materials industry in the production of composite binder containing, by weight: portland cement 46–5, granulated blast furnace slag 32–40, carbonate flour 4–9, potassium carbonate 6.8–10.8, dry hyperplasticizer PANTARHIT PC160 0.2. Composite binder is prepared by co-grinding the components in a vibratory mill to a specific surface of 510–560 m²/kg.

EFFECT: possibility of obtaining a composite binder with a significant replacement of cement with industrial waste, economic and superior Portland cement for building and technical properties, increased activity.

1 cl, 4 tbl