Precise Synthesis Of Poly(Methyl Methacrylate) Brush With Well-Controlled Stereoregularity Using A Surface-Initiated Living Anionic Polymerization Method
MACROMOLECULES(2016)
Abstract
Densely grafted polymer brushes, which consist of end tethered chains that are predominantly oriented perpendicular to the substrate, show a number of unique functional properties due to their highly organized structure. Controlling the stereoregularity of the main chain while maintaining a high grafting density offers further opportunities to increase the density of functional sites through the formation of cavities within the brush structure. Concentrated poly(methyl methacrylate) (PMMA) brushes with well-controlled stereoregularity and polydispersity index (PDI) were prepared on flat and spherical substrates using a surface-initiated living anionic polymerization method in the presence of triethylaluminum (AlEt3). The syndiotactic PMMA brush forms with helical chains and is able to encapsulate C-60 molecules within the formed cavities.
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Key words
polymerization,brush,precise synthesis,well-controlled,surface-initiated
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