DIMERIC SURFACTANT-CONTAINING DISPERSION POWDERED COMPOSITIONS Russian patent published in 2011 - IPC C08K5/00 C08K5/53 C08L23/08 C04B24/02 

FIELD: chemistry.

SUBSTANCE: invention relates to dispersion powdered compositions re-dispersed in water, a method of preparing said compositions, as well as to their use in construction materials. The composition is prepared based on polymers of one or more ethylene unsaturated monomers. The composition additionally contains one or more dimeric surfactants in form of alkyne derivatives, an one or more protective colloids. Powdered compositions are obtained through emulsion or suspension polymerisation of one or more ethylene unsaturated monomers. The reaction takes place in an aqueous medium followed by drying the obtained aqueous dispersions, while adding one or more dimeric surfactants.

EFFECT: use of obtained powdered compositions in self-levelling filler or fluid solutions for making seamless floors, prevents formation of irregularities, depressions and small pores on the surface, as well as formation of air pockets in the deposited layer.

18 cl, 2 tbl, 12 ex