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Ring Opening Metathesis Polymerization of Cyclic Allenes

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Title
Ring Opening Metathesis Polymerization of Cyclic Allenes
Author(s)
Geonhui Park; Christopher W. Bielawski
Publication Date
2021-07
Journal
MACROMOLECULES, v.54, no.13, pp.6135 - 6143
Publisher
AMER CHEMICAL SOC
Abstract
The ring opening metathesis polymerization of cyclic allenes is described. Treating the monomers to a Grubbs-type catalyst afforded polymers that featured allenes integrated into their main chains, as confirmed through a range of spectroscopic, chromatographic, and chemical techniques. Acyclic, 1,3-disubstituted allenes were used as chain transfer agents in the aforementioned reactions. These additives not only provided the corresponding end-functionalized polymers but also enabled control over the molecular weights of the polymers produced. The polymers obtained from the ring opening metathesis polymerization reactions were transformed into silyl-containing derivatives using a hydrosilylation-based, post-polymerization modification. A polymerization mechanism was also deduced and proposed to proceed through a process that involved ruthenium vinylidene intermediates and selective chain transfer.
URI
https://pr.ibs.re.kr/handle/8788114/10104
DOI
10.1021/acs.macromol.1c00571
ISSN
0024-9297
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > 1. Journal Papers (저널논문)
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