6533b835fe1ef96bd129f2d7
RESEARCH PRODUCT
Amphipolar core-shell cylindrical brushes
Manfred SchmidtKarl FischerNorbert HugenbergRamin Djalalisubject
Materials sciencePolymers and PlasticsOrganic ChemistryDegree of polymerizationMacromonomerMicelleStyrenechemistry.chemical_compoundchemistryPolymerizationPolymer chemistryMaterials ChemistryCopolymerSide chainPolystyrenedescription
Methacryloyl-endfunctionalized block copolymers consisting of styrene and 2-vinylpyridine were polymerized to polyblockcomacromonomers with a much higher main chain than side chain degree of polymerization. Like homopolymacromonomers these molecules exhibit the structure of cylindrical brushes. Since the vinylpyridine block is coupled to the polymerizable group, the resulting cylindrical macromolecules exhibit a core of vinylpyridine and a shell of polystyrene, thus resembling an amphipolar unimolecular micelle of cylindrical shape. The micellar character of the structure is demonstrated by loading the cylindrical brushes with tetrachloroauric acid in toluene. Subsequent reduction leads to the formation of colloidal gold, most probably within the brush in analogy to similar work on block copolymer micelles.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1999-08-01 | Macromolecular Rapid Communications |