FOAM-FORMING COMPOSITION FOR PROTECTION AGAINST DUST Russian patent published in 1995 - IPC

FIELD: protection against dust. SUBSTANCE: the foam- forming composition comprises as the surface active agent a mixture of C₁₀-C₁₃ sodium alkylsulfonates or secondary sodium C₁₀-C₁₆ alkylsulfates with a C₁₀-C₁₃ fatty acid diethanol amide, as well as dodecyl alcohol and methyl cellulose or polyacrylamide, the ratio of the components being as follows (wt %): 3.0-32.0 sodium alkyl sulfonate or secondary sodium alkyl sulfate; 1.0-16.0 diethanolamide; 2.0-10.0 glycerol; 0.01-3.0 dodecyl alcohol; 0.1-5.0 methylcellulose or polyacrylamide; and water, the balance up to 100. Fatty acid diethanolamide is contained in sodium alkyl sulfonate or alkyl sulfate 1: (1.8-3.0) weight ratio. EFFECT: enhanced efficiency. 2 cl, 2 tbl