Hyperbranched macromolecules via a novel double-stage convergent growth approach

K. I. Wooley*, C. J. Hawker, Jean Frechet

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations


Spherical dendritic macromolecules have received considerable attention as a new class of polymers. We have demonstrated a novel 'double-convergent' growth approach which consists of two parts. Part I involves the preparation of essentially monodisperse dendritic macromolecules with a large number of functional groups evenly distributed at the periphery, via the convergent growth approach using a suitably protected monomer. After removal of the protecting groups, these dendritic molecules may be used as cores ('hypercores') for further dendritic growth. Part II involves coupling of the pre-formed dendritic fragments to the highly functionalized macromolecules ('hypercores') of part I. This 'double-convergent' growth approach allows for the preparation of larger dendrimers in less time and with greater ease than the conventional convergent or divergent growth approaches, while retaining the advantages of the former approach.

Original languageEnglish (US)
Pages (from-to)235-236
Number of pages2
JournalPolymeric Materials Science and Engineering, Proceedings of the ACS Division of Polymeric Materials Science and Engineering
StatePublished - Jan 1 1991
EventProceedings of the American Chemical Society, Spring Meeting - Atlanta, GA, USA
Duration: Apr 15 1991Apr 19 1991

ASJC Scopus subject areas

  • Chemical Engineering (miscellaneous)
  • Polymers and Plastics


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