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Branched polymers via ROMP of termimers

Type of publication Peer-reviewed
Publikationsform Original article (peer-reviewed)
Publication date 2016
Author Hanik Nils, Kilbinger A.F.M.,
Project Functional Living Olefin Metathesis Polymers: Methodology Development and Applications
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Original article (peer-reviewed)

Journal Macromol. Rapid. Commun.
Volume (Issue) 37
Page(s) 532 - 538
Title of proceedings Macromol. Rapid. Commun.
DOI 10.1002/marc.201500628

Abstract

Today's olefin metathesis catalysts show high reactivity, selectivity, and functional group tolerance and allow the design of new syntheses of precisely functionalized polymers. Here the synthesis of a new end-capping reagent is investigated allowing the introduction of a highly reactive activated ester end-group at the polymer chain end as well as its prefunctionalization to directly introduce functional moieties. The versatility of this new end-capping reagent is demonstrated by utilizing it to synthesize a so-called termimer (a monomer with termination capabilities). Copolymerization of a norbornene derivative with the termimer leads to hyperbranched ring-opening metathesis polymerization polymers as proven by gel permeation chromatography and MALDI-ToF-(matrix-assisted laser desorption/ionization time of flight) mass spectrometry.
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