FOAM FORMER FOR CONCRETE MIX AERATION Russian patent published in 2010 - IPC C04B38/10 C08L93/04 

FIELD: construction.

SUBSTANCE: foam maker contains resin and surfactant. Resin is represented by rosin saponified by caustic soda or caustic potash. Surfactant is represented by one or several substances selected from primary alkyl sulfates, alkyl-etoxysulfates, alkyl-dimethylcarboxybetaine, cocamidopropyl betaine, oxides of alkyl dimethylamine, alfa-olefin sulfonates, secondary alkyl sulfates. Foam maker additionally contains organic dissolvent. Organic dissolvent is selected from group of lower primary alcohols or products of their oxyethylation or hydroxypropylation. Minimum total content of rosin soap and surfactant in foam maker makes 4.0 wt %.

EFFECT: production of stable foams in cement grout with multiplication factor of at least 15.

7 cl, 5 tbl