FOAMING AGENT Russian patent published in 2000 - IPC

FIELD: building material industry, more particularly preparation of products based on various binding materials (cement, gypsum), and also clays. SUBSTANCE: foaming agent comprises, wt.%: secondary C₁₀...C₁₆ sodium alkylsulfates, 10-26; higher C₁₂...C₁₆ fatty alcohols, 0.1-5; urea, 1-8; butanol, 0.5-5.5; stillage residues of organic synthesis, 0.5-10; glycerol, 0.5-5.5; plasticizer, 0.2-8.5; setting and hardening accelerator, 0.5-6; and water, the balance. EFFECT: increased foam ratio, grater strength, smaller amount of foaming agent, improved ecological situation and reduced price of foam concrete. 4 cl, 3 tbl