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Apr 30, 2020

ACS Spring 2020 National Meeting & Expo

Being knotty with polymers and living polymerizations

suparmolecule

knots

catenanes

living polymerization

Abstract

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59

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Abstract

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Keywords

suparmolecule

knots

catenanes

living polymerization

Abstract

Mathematical Knot Theory enables the precise definition of entanglements based the number of rings and cross-over points. Moreover, knots, cycles, and polycycles are of interest in art , history, and also practical for Boy Scouts. There is high interest on new polymer synthesis routes, topologies, mechanisms, and applications. The choices for synthesis go from linear, grafted, and hyperbranched systems. However, there are many other topologies that are of high interest because of its relevance: from understanding entanglement behavior to practical understanding of polymer viscosity limits. This talk will focus on our approach with macromolecular synthesis of catenanens, macrocycles, and knots based on a rational design of supramolecular macrointiators that template the ring closure and ring expansion in living polymerization mechanism. We also employ a number of macromolecular and surface characterization studies to define successful synthesis strategies. The end goal is to produce higher throughput synthetic methods that can unlock the utility or rationally entangled and knotted polymers.

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© Copyright 2019 Morressier GmbH.
All rights reserved.