INVESTIGATION OF THE STRUCTURE OF MICELLES AND INTERMICELLAR INTERACTION IN AQUEOUS-SOLUTIONS OF ETHOXYLATED DIISONONYLPHENOL BY SMALL-ANGLE NEUTRON-SCATTERING

The results of the investigations of oxyethylated diisononylphenol with an ethoxylation degree of 20 (ODNP-20) were presented. ODNP-20 in aqueous solutions was shown to form double-layer micelles, whose internal hydrophobic core with a radius of 23 angstrom corresponds to the double length of the iso-nonyl chain. The second iso-nonyl chain and the oxyethyl groups together with the nonyl radicals of the second molecule form an ordered internal layer of micelles shielded by the oxyethyl chains of the external layer molecules with partial meander structure.