POWDER SYNTHETIC DETERGENT (VERSIONS) Russian patent published in 2009 - IPC C11D3/02 C11D1/83 C11D3/10 

FIELD: chemistry.

SUBSTANCE: first powder composition of synthetic detergent contains (wt %):. sodium carbonate 23-32, non-ionic surfactant 15-21, anionic surfactant 12-16, chemical bleacher 12-17, optical bleacher 0.08-0.11, enzymes 1.2-1.6, boehmite nanoparticles in needle form - the rest In other version the powder composition of synthetic detergent contains (wt %): sodium carbonate 23-34, non-ionic surfactant 15-23, anionic surfactant 12-17, chemical bleacher 12-18, optical bleacher 0.08-0.11, enzymes 1.2-1.7, zeolite coated with boehmite nanoparticles in needle form at mass ratio boehmite/zeolite in the range from 1:9 to 1:1 - the rest In the next version the powder composition of synthetic detergent contains (wt %): sodium carbonate 16-27, non-ionic surfactant 11-18, anionic surfactant 8-13, chemical bleacher 9-14, optical bleacher 0.06-0.09, enzymes 0.8-1.4, caprylic acid 3-13, microcrystalline cellulose coated with boehmite nanoparticles in needle form at mass ratio microcrystalline cellulose/boehmite in the range from 1:3 to 1:2 - the rest.

EFFECT: enhanced washing capacity, absence of the phosphates

3 cl, 3 dwg, 1 tbl, 3 ex