Dendrimers are core-functionalized polymers with a globular shape due to their regularly branched repeat units. Various core molecules can be used, including molecules with two, three, four or more alcohol functionalities, in addition to polymers with alcohols as their end groups or along their backbone.  Via repetition of monomer coupling and deprotection steps, the molecule doubles in dendritic size with each iteration.  Unique properties of these macromolecules include their amphiphilic character, where ester bonds form the core of the dendrimer and hydroxyl-terminated ends form the periphery.  A useful substrate for simulation and experimental characterization of physical properties, dendrimers, unlike other synthetic polymers, can be prepared as monodisperse macromolecules.  Therefore, a library of dendritic polymers are being prepared, including those with a tetrafunctional pentaerythritol core, a bis-functional poly(ethylene glycol) core, and a monofunctional poly(ethylene glycol) core.  The properties of each compound will be studied with emphasis on hydrogen bonding's physical effects.

Polyester dendrons from multi-functional cores and their physical properties

245th National Meeting (2013)

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