The use is described of polysulfide-free preparations comprising, based on solids content, from 40 to 99.5% by weight of at least one water-dispersible copolymer and from 0.5 to 10% by weight of at least one alkoxylated ionic or nonionic emulsifier, as additives for construction materials based on loam or clay. The building materials based on loam or clay and comprising the preparation are described, as are the use of the construction materials and a process for treating construction materials with the preparation.

O uso é descrito das preparações polysulfide-livres que compreendem, baseado no índice de sólidos, 40 a 99.5% pelo peso ao menos de um copolymer water-dispersible e 0.5 a 10% pelo peso ao menos de um alkoxylated o emulsifier ionic ou nonionic, como aditivos para os materiais de construção baseados no loam ou na argila. Os materiais de edifício baseados no loam ou na argila e em compreender a preparação são descritos, como são o uso dos materiais de construção e um processo para tratar materiais de construção com a preparação.

 
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> Methods for delivering compounds into a cell

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