Journal
MACROMOLECULES
Volume 42, Issue 17, Pages 6406-6413Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ma9011076
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Funding
- Petroleum Research Fund
- American Chemical Society [47108-G7]
- Tulane University
- Louisiana Board of Regents [graduate fellowship]
- NSF-MRI [0619770]
- Tulane Institute for Macromolecular Engineering and Science [NNC06AA18A]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0619770] Funding Source: National Science Foundation
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Narrow polydisersity cyclic poly(caprolactone) was synthesized by cyclization of linear alpha, omega-functionalized poly(caprolactone), The linear precursors were prepared via ring-opening polymerization from an azido-functionalized initiator, followed by end group modification to attach a terminal alkyne. Click coupling afforded the cyclic polymer in high yields and provided linear and cyclic poly(caprolactone) with exactly identical molecular weight distributions. The thermal and acid-catalyzed degradation of analogous linear and cyclic poly(caprolactone) samples were investigated to determine the effect of architccture.
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