Controlling the Structure of Soluble Polyeletrolyte/Microemulsion Complexes (PEMECs) with Double-Hydrophilic Copolymers
Complexes of double-hydrophilic block copolymers, with one polyelectrolyte block, and oppositely charged microemulsion (ME) droplets lead to the formation of soluble complexes (PEMECs). This allows to combine the high solubilisation capacity of microemulsions with the structuring ability of polyelectrolytes and to design larger complexes, as interesting e.g. for drug delivery. For determining their detailed structure in the size range of 1-100 nm SANS experiments are essential and in our experiments we will vary the length of the PE block in the PAA-b-PEO copolymers, the mixing ratio with the ME droplets, and size and charge of the ME droplets. By doing so we will vary systematically the size of the complexes, as well as their internal structure and loading capacity. From the SANS experiments we will deduce how the structure and properties of such soluble PEMECs depend on their composition and will become able to tailor these accordingly for potential future applications.
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GRADZIELSKI Michael; KUZMINSKAYA Olga; Anton W G Michel-Busch; PRAUSE Albert; PREVOST Sylvain; SCHMIDT Robert Franz and SIMON Miriam. (2021). Controlling the Structure of Soluble Polyeletrolyte/Microemulsion Complexes (PEMECs) with Double-Hydrophilic Copolymers. Institut Laue-Langevin (ILL) doi:10.5291/ILL-DATA.9-12-658
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