FOAM FORMER FOR PORE GENERATION IN CONCRETE MIX Russian patent published in 2008 - IPC C04B24/02 C04B33/10 C04B103/42 

FIELD: chemistry; construction.

SUBSTANCE: foam former for pore generation in concrete mixes includes, wt %: alkylethoxysulfates (in equivalent per 100% of basic substance) 7-28; organic solvent - one or several substances selected out of a group of n-butyl alcohol, isobutyl alcohol, monobutyl ether of ethyleneglycol, monobutyl ether of diethyleneglycol, monobutyl ethers of propyleneglycol, industrial products of complex chemical composition, consisting majorly of substances listed above, e.g. distillation residues of butyl alcohol production or by-product of butylcellosolve production 0-15; polyvalent metal salt - water-soluble salt of aluminium, iron, manganese, chrome or calcium 0.1-15; the rest is water. Sodium, ammonium, monoethylamine or triethanolamine salts of sulfated oxyethylated primary fatty alcohols of C₆-C₁₀, C₁₀-C₁₂, C₁₂-C₁₄ fractions with ethoxylation degree of 2 or 3 or mixes of the said salts are used as alkylethoxusulfates.

EFFECT: high density and durability of foam concrete.

2 cl, 7 tbl, 34 ex