Skip to main content
Skip to main menu Skip to spotlight region Skip to secondary region Skip to UGA region Skip to Tertiary region Skip to Quaternary region Skip to unit footer


Transition Metal Catalyst Design and Application in the Synthesis of Cyclic Polymers

Prof. Adam S. Veige
Prof. Adam S. Veige
University of Florida
Chemistry Building, Room 400
Inorganic Seminar

Cyclic polymers do not contain end groups, and as a result they demonstrate a number of unique physical properties. For example, the density, refractive index, Tg, viscoelasticity, reptation, and surface properties of cyclic polymers all differ from those of their more common linear analogs. Over the past fifty years a handful of catalysts have been discovered that can create cyclic polymers. In this seminar, four new catalysts will be presented that are capable of creating cyclic polymers. Aspects of catalyst design and two distinct mechanisms of polymerization will be discussed. A common theme in this research is the use of strained, tri- and tetra-anionic pincer ligands. Metal-ligand features that accentuate reactivity will be discussed, including the concept of an “Inorganic Enamine”. Dynamic and static light scattering techniques provide <Rg2> and RH ratios of cyclic vs. linear samples that clearly indicate a difference in topology. Complementing the light scattering data, intrinsic viscosities ([η]Image removed.) measured over a wide-range of molecular weights clearly demonstrate the topological relationship between authentic linear and cyclic samples.

Support Us

We appreciate your financial support. Your gift is important to us and helps support critical opportunities for students and faculty alike, including lectures, travel support, and any number of educational events that augment the classroom experience. Click here to learn more about giving.

Every dollar given has a direct impact upon our students and faculty.

Got More Questions?

Undergraduate inquiries: 

Registration and credit

AP Credit, Section Changes, Overrides,

Graduate inquiries:

Contact Us!

Assistant to the Department Head: Donna Spotts, 706-542-1919 

Main office phone: 706-542-1919 

Main Email:

Head of Chemistry: Prof. Jason Locklin