Transformations of poly(methoxy hexa(ethylene glycol) methacrylate)-b-(2-(diethylamino)ethyl methacrylate) block copolymer micelles upon metalation.

摘要: Micelle transformations upon metalation (i.e., incorporation of metal compounds and nanoparticle formation) in poly(methoxy hexa(ethylene glycol) methacrylate)-block-poly((2-(diethylamino)ethyl methacrylate)), PHEGMA-b-PDEAEMA, solutions have been studied using transmission electron microscopy (TEM) photon correlation spectroscopy (PCS). Three different methods for the formation metalated micelles are compared:  (A) dissolution block copolymers pure water followed by platinic acid (H2PtCl6·6H2O), (B) micellization acidic molecular induced interaction protonated amino groups with PtCl62- ions, (C) species pH-induced micelles. The latter method leads to well-defined 22−25 nm diameter containing nanoparticles diameters 1.3−1.5 nm. No aggregation is observed. Good agreement obtained sizes acid-containing assessed ...