A coumarin dimer probe of mechanochemical scission efficiency in the sonochemical activation of chain-centered mechanophore polymers.
Publication
, Journal Article
Kean, ZS; Gossweiler, GR; Kouznetsova, TB; Hewage, GB; Craig, SL
Published in: Chemical communications (Cambridge, England)
June 2015
Here we present a coumarin dimer (CD) mechanophore that, when embedded near the mid-chain of poly(methyl acrylate) polymers, activates under pulsed ultrasound conditions to yield coumarin chain-end functional polymers. Quantitative photochemical scission of the CD polymers provides a reference against which the activation efficiency of chain-centered mechanophores in polymers synthesized by controlled/living radical polymerization (CRP) can be assessed. Activation efficiency is characterized with respect to the polymer molecular weight (MW), polydispersity index (PDI), and distribution of mechanophores along the backbone.
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Published In
Chemical communications (Cambridge, England)
DOI
EISSN
1364-548X
ISSN
1359-7345
Publication Date
June 2015
Volume
51
Issue
44
Start / End Page
9157 / 9160
Related Subject Headings
- Organic Chemistry
- 40 Engineering
- 34 Chemical sciences
- 03 Chemical Sciences
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Kean, Z. S., Gossweiler, G. R., Kouznetsova, T. B., Hewage, G. B., & Craig, S. L. (2015). A coumarin dimer probe of mechanochemical scission efficiency in the sonochemical activation of chain-centered mechanophore polymers. Chemical Communications (Cambridge, England), 51(44), 9157–9160. https://doi.org/10.1039/c5cc01836f
Kean, Zachary S., Gregory R. Gossweiler, Tatiana B. Kouznetsova, Gihan B. Hewage, and Stephen L. Craig. “A coumarin dimer probe of mechanochemical scission efficiency in the sonochemical activation of chain-centered mechanophore polymers.” Chemical Communications (Cambridge, England) 51, no. 44 (June 2015): 9157–60. https://doi.org/10.1039/c5cc01836f.
Kean ZS, Gossweiler GR, Kouznetsova TB, Hewage GB, Craig SL. A coumarin dimer probe of mechanochemical scission efficiency in the sonochemical activation of chain-centered mechanophore polymers. Chemical communications (Cambridge, England). 2015 Jun;51(44):9157–60.
Kean, Zachary S., et al. “A coumarin dimer probe of mechanochemical scission efficiency in the sonochemical activation of chain-centered mechanophore polymers.” Chemical Communications (Cambridge, England), vol. 51, no. 44, June 2015, pp. 9157–60. Epmc, doi:10.1039/c5cc01836f.
Kean ZS, Gossweiler GR, Kouznetsova TB, Hewage GB, Craig SL. A coumarin dimer probe of mechanochemical scission efficiency in the sonochemical activation of chain-centered mechanophore polymers. Chemical communications (Cambridge, England). 2015 Jun;51(44):9157–9160.
Published In
Chemical communications (Cambridge, England)
DOI
EISSN
1364-548X
ISSN
1359-7345
Publication Date
June 2015
Volume
51
Issue
44
Start / End Page
9157 / 9160
Related Subject Headings
- Organic Chemistry
- 40 Engineering
- 34 Chemical sciences
- 03 Chemical Sciences