Unimolecularly thick monosheets of vinyl polymers fabricated in metal–organic frameworks

Nobuhiko Hosono, Shuto Mochizuki, Yuki Hayashi and Takashi Uemura ()
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Nobuhiko Hosono: The University of Tokyo
Shuto Mochizuki: The University of Tokyo
Yuki Hayashi: The University of Tokyo
Takashi Uemura: The University of Tokyo

Nature Communications, 2020, vol. 11, issue 1, 1-8

Abstract: Abstract Polymers with two-dimensional (2D) network topologies are currently gaining significant attention due to their unique properties that originate from their regulated conformations. However, in contrast to conventional 1D- and 3D-networked macromolecules, the synthesis of such 2D networks provides challenges for polymer chemists because of the nature of the networking polymerisation reaction, which occurs in a spatially random fashion when conventional solution-phase synthesis is performed. Here we report a versatile synthesis of polymeric monosheets with unimolecularly thick networking architectures by exploiting the 2D nanospaces of metal–organic frameworks (MOFs) as reaction templates. Crosslinking radical polymerisation in the 2D nanospaces of pillared-layer-type MOFs affords monosheets of typical vinyl polymers and can be carried out on the gram scale. Remarkably, the prepared polymer monosheets are highly soluble in organic solvents and show atypical thermal and rheological properties that result from their 2D-regulated conformations that cannot be adopted by their 1D or 3D analogues.

Date: 2020
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DOI: 10.1038/s41467-020-17392-1

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