Beers, K.
and Farrell, W.
(2017),
Ring-Opening Metathesis Polymerization of Alkyl Substituted trans-Cyclooctenes, ACS Macro Letters, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=923023
(Accessed December 26, 2024)
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Ring-Opening Metathesis Polymerization of Alkyl Substituted trans-Cyclooctenes
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Abstract
The synthesis and ring-opening metathesis polymerization of highly-strained 3- and 1-butyl substituted trans-cyclooctenes (monomers 1 and 2, respectively) was investigated with the goal of quickly preparing regioregular polymers with narrow molecular weight distributions, which could serve as precursors for high precision short-chain branched polyethylene. Monomer 1 was unable to be polymerized in a regioregular manner, however monomer 2 did yield regioregular product, although the polydispersity indices were higher than expected. Investigation by NMR provided evidence that the nature of the propagating alkylidene is likely non-uniform throughout the course of the reaction, leading to the broadened molecular weight distribution.Citation
ACS Macro Letters
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Journals
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Keywords
ROMP, cyclooctene, controlled polymerization
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Created July 12, 2017, Updated October 12, 2021