Rewritable Polymer Brush Micropatterns Grafted by Triazolinedione Click Chemistry

  • Roling O
  • De Bruycker K
  • Vonhören B
 et al. 
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Triazolinedione (TAD) click reactions were combined with microcontact chemistry to print, erase, and reprint polymer brushes on surfaces. By patterning substrates with a TAD-tagged atom-transfer radical polymerization initiator (ATRP-TAD) and subsequent surface initiated ATRP, it was possible to graft micropatterned polymer brushes from both alkene- and indole-functionalized substrates. As a result of the dynamic nature of the Alder-ene adduct of TAD and indole at elevated temperatures, the polymer pattern could be erased while the regenerated indole substrate could be reused to print new patterns. To demonstrate the robustness of the methodology, the write-erase cycle was repeated four times.

Author-supplied keywords

  • click chemistry
  • polymer brushes
  • rewritable materials
  • soft lithography
  • surface chemistry

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  • Lucas StrickerWestfalische Wilhelms Universitat Munster

  • Oliver Roling

  • Kevin De Bruycker

  • Benjamin Vonhören

  • Martin Körsgen

  • Heinrich F. Arlinghaus

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