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Polymer Program Seminar


The Acyclic Diene Metathesis Polymerization (ADMET) Reaction


Kenneth B. Wagener

University of Florida


Friday, February 20, 2004
11:00 am , IMS Room 20



ABSTRACT

Acyclic diene metathesis polymerization - ADMET chemistry - transforms diene monomers into macromolecules via a step propagation condensation type scheme, releasing ethylene during polymer formation. It is simple to conduct and broad in its applicability. The mechanism of this reaction will be discussed, focusing on ruthenium based catalysis. Three "short stories" will follow, which comprise a portion of the present day effort in the field.

Short story 1 describes modeling the effect of branching in polyethylene with a focus on tertiary structure; short story 2 tells of generating a series of functionalized polyolefins via this chemistry, broadening the utility of common materials. Short story 3 describes the preparation of "Bio-olefins", a new class of polyolefins possessing amino acid and peptide moieties attached at exact locations along the polymer backbone. The goal is to create biologically active, "designed surfaces" on durable polyolefin materials.

General Reference: Cameron Church, Jason Smith, Jim Pawlow, and Ken Wagener, "Nontraditional Step-Growth Polymerization: ADMET", Chapter 8 (p. 431-466) in Synthetic Methods in Step-Growth Polymers, edited by Martin Rogers & Timothy Long, Wiley Interscience (2003).


  • Coffee will be served at 10:45 outside the seminar room.
  • For further information, please contact YH Chudy at ychudy@ims.uconn.edu . or (860) 486-3582 .

This seminar series is sponsored by generous grants from U.S. Surgical Corporation and Rogers Corporation.