this table methc22oe25 designates a monomer with formula i in which r designates the methacrylate function m p 0 n 25 and r u2032 designates a methyl group ea designates ethyl acrylate and aa and maa respectively designate acrylic and methacrylic acids this example illustrates the thickening power of the inventive emulsions implemented in water in such a way as to have an active ingredient level of 5 by dry polymer weight after being added to water the medium is neutralized by adding sodium hydroxide at a ph of around 6 5 and the brookfield u2122 viscosity of the medium is measured at 25 u00b0 c and at 100 revolutions minute whose values are listed in table 2 1 23 by weight as is of a dispersing agent sold by the company coatex u2122 under the name ethacryl u2122 1030 1 by weight as is of an anti foaming agent sold by the company huntsmann u2122 under the name empilan u2122 pf 7169 tests a b c and d respectively implement 0 7 by weight as is in the concrete formulation an ase emulsion containing surfactants sold by the company coatex u2122 under the name viscoatex u2122 730 an ase emulsion containing surfactants sold by the company coatex u2122 under the name viscoatex u2122 35 an hase emulsion containing surfactants sold by the company coatex u2122 under the name viscoatex u2122 66 an emulsion according to the invention which is described in test 1 for each test a b c and d the entrained air is measured according to the.