radialangeordnete copoly (amidoamin - organosilizium) dendrimere

摘要

A composition (I) comprises a radially layered copolymeric dendrimer having a hydrophilic poly(amidoamine) or poly(propyleneimine) interior and a hydrophobic organosilicon exterior. The copolymeric dendrimer is prepared by reacting a hydrophilic dendrimer having -NH2 surface groups with an organosilicon compound, in the presence of a solvent. The following methods are also claimed using an effective amount of (I): (i) lowering the surface tension of an aqueous solution; and (ii) forming spread monolayers on water capable of sustaining surface pressures 40mN/m.