Mechanically induced scission and subsequent thermal remending of perfluorocyclobutane polymers.

  title={Mechanically induced scission and subsequent thermal remending of perfluorocyclobutane polymers.},
  author={Hope M Klukovich and Zachary S. Kean and Scott T. Iacono and Stephen L Craig},
  journal={Journal of the American Chemical Society},
  volume={133 44},
Perfluorocyclobutane (PFCB) polymer solutions were subjected to pulsed ultrasound, leading to mechanically induced chain scission and molecular weight degradation. (19)F NMR revealed that the new, mechanically generated end groups are trifluorovinyl ethers formed by cycloreversion of the PFCB groups, a process that differs from thermal degradation pathways. One consequence of the mechanochemical process is that the trifluorovinyl ether end groups can be remended simply by subjecting the polymer… CONTINUE READING
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Semi fl uorinated polymers via cycloaddition and nucleophilic addition reactions of aromatic tri fl uorovinyl ethers

  • S. T. Iacono
  • 2008

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