COMPLEX ADDITIVE FOR CEMENT MIX Russian patent published in 2006 - IPC C04B24/30 C04B24/34 C04B103/30 

FIELD: construction engineering and manufacture of building materials; production of complex additives for cement mixes for fast hardening of cement articles.

SUBSTANCE: proposed complex additive for concrete mix contains plasticizing agent C-3, mineral filler containing silicon dioxide, wood saponified resin and zeolite-containing waste or natural zeolite at the following ratio of components, mass-%: plasticizing agent C-3, 23-27; saponified wood resin, 0.2-2; the remainder being mineral filler. Complex additive may also include permaite and lignosulfonate in the amount of 5-7 mass-% and neutralized air-entraining resin in the amount of up to 2 mass-%.

EFFECT: enhanced strength, reduced consumption of water, reduced water absorption; enhanced water-tightness and resistance to cold of concrete mix.

4 cl, 3 tbl